[INFO] fetching crate rtt-target 0.5.0...
[INFO] testing rtt-target-0.5.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate rtt-target 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rtt-target 0.5.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtt-target 0.5.0
[INFO] finished tweaking crates.io crate rtt-target 0.5.0
[INFO] tweaked toml for crates.io crate rtt-target 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b372292b1306297e996fd1b6fc78a30deb53349c37865ae0ec4084a0d7b0182
[INFO] running `Command { std: "docker" "start" "-a" "4b372292b1306297e996fd1b6fc78a30deb53349c37865ae0ec4084a0d7b0182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b372292b1306297e996fd1b6fc78a30deb53349c37865ae0ec4084a0d7b0182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b372292b1306297e996fd1b6fc78a30deb53349c37865ae0ec4084a0d7b0182", kill_on_drop: false }`
[INFO] [stdout] 4b372292b1306297e996fd1b6fc78a30deb53349c37865ae0ec4084a0d7b0182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac0ab9d38ebb483dcf836a2a48a61f81c1006f75f7f65ab5ac564b68f51808ea
[INFO] running `Command { std: "docker" "start" "-a" "ac0ab9d38ebb483dcf836a2a48a61f81c1006f75f7f65ab5ac564b68f51808ea", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling rtt-target v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "ac0ab9d38ebb483dcf836a2a48a61f81c1006f75f7f65ab5ac564b68f51808ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0ab9d38ebb483dcf836a2a48a61f81c1006f75f7f65ab5ac564b68f51808ea", kill_on_drop: false }`
[INFO] [stdout] ac0ab9d38ebb483dcf836a2a48a61f81c1006f75f7f65ab5ac564b68f51808ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17b030fa0dd5a3305f3675f65a3ce1552d13f9c906a6517c14a7fc103d42a424
[INFO] running `Command { std: "docker" "start" "-a" "17b030fa0dd5a3305f3675f65a3ce1552d13f9c906a6517c14a7fc103d42a424", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling rtt-target v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "17b030fa0dd5a3305f3675f65a3ce1552d13f9c906a6517c14a7fc103d42a424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b030fa0dd5a3305f3675f65a3ce1552d13f9c906a6517c14a7fc103d42a424", kill_on_drop: false }`
[INFO] [stdout] 17b030fa0dd5a3305f3675f65a3ce1552d13f9c906a6517c14a7fc103d42a424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd451bda8576403fcd6862871868ed4d352cb5ab4fd95d4947b3f49c9f90b968
[INFO] running `Command { std: "docker" "start" "-a" "bd451bda8576403fcd6862871868ed4d352cb5ab4fd95d4947b3f49c9f90b968", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rtt_target-fce7c9d95609ca0d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rtt_target
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/init.rs - init::rtt_init (line 67) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 115) ... FAILED
[INFO] [stdout] test src/init.rs - init::rtt_init_default (line 171) ... FAILED
[INFO] [stdout] test src/init.rs - init::rtt_init (line 109) ... FAILED
[INFO] [stdout] test src/init.rs - init::rtt_init (line 100) ... FAILED
[INFO] [stdout] test src/lib.rs - UpChannel::u (line 190) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 72) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 94) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/init.rs - init::rtt_init (line 67) stdout ----
[INFO] [stdout] error: cannot find macro `rtt_init` in this scope
[INFO] [stdout]  --> src/init.rs:68:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | let channels = rtt_init! {
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::rtt_init;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 115) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `read` in this scope
[INFO] [stdout]  --> src/lib.rs:121:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         read = channels.down.0.read(&mut read_buf);
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let read = channels.down.0.read(&mut read_buf);
[INFO] [stdout]   |         +++
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 4 + use core::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::fs::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `channels` in this scope
[INFO] [stdout]  --> src/lib.rs:121:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |         read = channels.down.0.read(&mut read_buf);
[INFO] [stdout]   |                ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `read_buf` in this scope
[INFO] [stdout]  --> src/lib.rs:121:42
[INFO] [stdout]   |
[INFO] [stdout] 8 |         read = channels.down.0.read(&mut read_buf);
[INFO] [stdout]   |                                          ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `read` in this scope
[INFO] [stdout]  --> src/lib.rs:122:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |         for i in 0..read {
[INFO] [stdout]   |                     ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 4 + use core::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::fs::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `read_buf` in this scope
[INFO] [stdout]   --> src/lib.rs:123:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |             match read_buf[i] as char {
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0571]: `break` with value from a `for` loop
[INFO] [stdout]   --> src/lib.rs:124:24
[INFO] [stdout]    |
[INFO] [stdout] 9  |         for i in 0..read {
[INFO] [stdout]    |         ---------------- you can't `break` with a value in a `for` loop
[INFO] [stdout] 10 |             match read_buf[i] as char {
[INFO] [stdout] 11 |                 '0' => break 0,
[INFO] [stdout]    |                        ^^^^^^^ can only break with a value inside `loop` or breakable block
[INFO] [stdout]    |
[INFO] [stdout] help: use `break` on its own without a value inside this `for` loop
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0' => break,
[INFO] [stdout]    |                        ~~~~~
[INFO] [stdout] 
[INFO] [stdout] error[E0571]: `break` with value from a `for` loop
[INFO] [stdout]   --> src/lib.rs:125:24
[INFO] [stdout]    |
[INFO] [stdout] 9  |         for i in 0..read {
[INFO] [stdout]    |         ---------------- you can't `break` with a value in a `for` loop
[INFO] [stdout] ...
[INFO] [stdout] 12 |                 '1' => break 1,
[INFO] [stdout]    |                        ^^^^^^^ can only break with a value inside `loop` or breakable block
[INFO] [stdout]    |
[INFO] [stdout] help: use `break` on its own without a value inside this `for` loop
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 '1' => break,
[INFO] [stdout]    |                        ~~~~~
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0571.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/init.rs - init::rtt_init_default (line 171) stdout ----
[INFO] [stdout] error: cannot find macro `rtt_init` in this scope
[INFO] [stdout]  --> src/init.rs:172:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | rtt_init! {
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::rtt_init;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/init.rs - init::rtt_init (line 109) stdout ----
[INFO] [stdout] error: cannot find macro `rtt_init` in this scope
[INFO] [stdout]  --> src/init.rs:112:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | let channels = rtt_init! { ... };
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::rtt_init;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/init.rs - init::rtt_init (line 100) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `UpChannel` in this scope
[INFO] [stdout]  --> src/init.rs:102:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     up: (UpChannel, UpChannel),
[INFO] [stdout]   |          ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::UpChannel;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `UpChannel` in this scope
[INFO] [stdout]  --> src/init.rs:102:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |     up: (UpChannel, UpChannel),
[INFO] [stdout]   |                     ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::UpChannel;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DownChannel` in this scope
[INFO] [stdout]  --> src/init.rs:103:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     down: (DownChannel,),
[INFO] [stdout]   |            ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::DownChannel;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - UpChannel::u (line 190) stdout ----
[INFO] [stdout] error: cannot find macro `uwriteln` in this scope
[INFO] [stdout]  --> src/lib.rs:192:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | uwriteln!(output.u(), "Hello, ufmt!");
[INFO] [stdout]   | ^^^^^^^^ help: a macro with a similar name exists: `writeln`
[INFO] [stdout]  --> /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/macros/mod.rs:665:1
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named macro `writeln` defined here
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `channels` in this scope
[INFO] [stdout]  --> src/lib.rs:191:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut output = channels.up.0;
[INFO] [stdout]   |                  ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 72) stdout ----
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcOoi2mS/symbols.o" "/tmp/rustdoctestxSVDv2/rust_out.rust_out.77795065bd7f5ebc-cgu.0.rcgu.o" "/tmp/rustdoctestxSVDv2/rust_out.64a676cex4wmm5j2zxtg20cvt.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib" "/opt/rustwide/target/debug/deps/libcritical_section-46c21e9028838d8a.rlib" "/opt/rustwide/target/debug/deps/libufmt_write-92db9d1af05f46ae.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-de48b8168d6cf4fa.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9f3477fb95a0bba7.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-210d920812faea91.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f3d3451767410a17.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1a79dd36d08251de.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-886230e7120831b2.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2caea079085a58a2.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a9d7d97cdc65a449.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-5727477b0a78105a.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7e555563aa211118.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c8f13465f1a795b2.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ee5b5774583426df.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-14df174c91007922.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-e8bfe52be756260a.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-6275035a459b3ada.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b6892f3c52c68f01.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8b7e96e438f08f6.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/tmp/rustdoctestxSVDv2/rust_out" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib(rtt_target-77502e79771e6903.rtt_target.d6a8ceb5e3312b2e-cgu.0.rcgu.o): in function `critical_section::acquire':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:183: undefined reference to `_critical_section_1_0_acquire'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:183: undefined reference to `_critical_section_1_0_acquire'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib(rtt_target-77502e79771e6903.rtt_target.d6a8ceb5e3312b2e-cgu.0.rcgu.o): in function `critical_section::release':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:200: undefined reference to `_critical_section_1_0_release'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 94) stdout ----
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc5lqnUI/symbols.o" "/tmp/rustdoctestPiTTwT/rust_out.rust_out.77795065bd7f5ebc-cgu.0.rcgu.o" "/tmp/rustdoctestPiTTwT/rust_out.64a676cex4wmm5j2zxtg20cvt.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib" "/opt/rustwide/target/debug/deps/libcritical_section-46c21e9028838d8a.rlib" "/opt/rustwide/target/debug/deps/libufmt_write-92db9d1af05f46ae.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-de48b8168d6cf4fa.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9f3477fb95a0bba7.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-210d920812faea91.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f3d3451767410a17.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1a79dd36d08251de.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-886230e7120831b2.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2caea079085a58a2.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a9d7d97cdc65a449.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-5727477b0a78105a.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7e555563aa211118.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c8f13465f1a795b2.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ee5b5774583426df.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-14df174c91007922.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-e8bfe52be756260a.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-6275035a459b3ada.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b6892f3c52c68f01.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8b7e96e438f08f6.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/tmp/rustdoctestPiTTwT/rust_out" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib(rtt_target-77502e79771e6903.rtt_target.d6a8ceb5e3312b2e-cgu.0.rcgu.o): in function `critical_section::acquire':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:183: undefined reference to `_critical_section_1_0_acquire'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:183: undefined reference to `_critical_section_1_0_acquire'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib(rtt_target-77502e79771e6903.rtt_target.d6a8ceb5e3312b2e-cgu.0.rcgu.o): in function `critical_section::release':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:200: undefined reference to `_critical_section_1_0_release'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/init.rs - init::rtt_init (line 100)
[INFO] [stdout]     src/init.rs - init::rtt_init (line 109)
[INFO] [stdout]     src/init.rs - init::rtt_init (line 67)
[INFO] [stdout]     src/init.rs - init::rtt_init_default (line 171)
[INFO] [stdout]     src/lib.rs - (line 115)
[INFO] [stdout]     src/lib.rs - (line 72)
[INFO] [stdout]     src/lib.rs - (line 94)
[INFO] [stdout]     src/lib.rs - UpChannel::u (line 190)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 8 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bd451bda8576403fcd6862871868ed4d352cb5ab4fd95d4947b3f49c9f90b968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd451bda8576403fcd6862871868ed4d352cb5ab4fd95d4947b3f49c9f90b968", kill_on_drop: false }`
[INFO] [stdout] bd451bda8576403fcd6862871868ed4d352cb5ab4fd95d4947b3f49c9f90b968
[INFO] testing rtt-target-0.5.0 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate rtt-target 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rtt-target 0.5.0 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtt-target 0.5.0
[INFO] finished tweaking crates.io crate rtt-target 0.5.0
[INFO] tweaked toml for crates.io crate rtt-target 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97a593f19dc6c3834ec4f81ff36ab7f110561d5342e95dbaf4de72ad5e3c24f0
[INFO] running `Command { std: "docker" "start" "-a" "97a593f19dc6c3834ec4f81ff36ab7f110561d5342e95dbaf4de72ad5e3c24f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97a593f19dc6c3834ec4f81ff36ab7f110561d5342e95dbaf4de72ad5e3c24f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a593f19dc6c3834ec4f81ff36ab7f110561d5342e95dbaf4de72ad5e3c24f0", kill_on_drop: false }`
[INFO] [stdout] 97a593f19dc6c3834ec4f81ff36ab7f110561d5342e95dbaf4de72ad5e3c24f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 261b41574629fbf6d9638ec19254ff8c043946e3ab9f184bedab12087f7448c3
[INFO] running `Command { std: "docker" "start" "-a" "261b41574629fbf6d9638ec19254ff8c043946e3ab9f184bedab12087f7448c3", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling rtt-target v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "261b41574629fbf6d9638ec19254ff8c043946e3ab9f184bedab12087f7448c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261b41574629fbf6d9638ec19254ff8c043946e3ab9f184bedab12087f7448c3", kill_on_drop: false }`
[INFO] [stdout] 261b41574629fbf6d9638ec19254ff8c043946e3ab9f184bedab12087f7448c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8223072189f0a80bb3cc6bf81267320ce5c076638077f73af88c31ab3b31db6
[INFO] running `Command { std: "docker" "start" "-a" "a8223072189f0a80bb3cc6bf81267320ce5c076638077f73af88c31ab3b31db6", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling rtt-target v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "a8223072189f0a80bb3cc6bf81267320ce5c076638077f73af88c31ab3b31db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8223072189f0a80bb3cc6bf81267320ce5c076638077f73af88c31ab3b31db6", kill_on_drop: false }`
[INFO] [stdout] a8223072189f0a80bb3cc6bf81267320ce5c076638077f73af88c31ab3b31db6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6017477a15a75ac8a7644ec17b484d9ece38f17db0c2489bd7167908fa8822a7
[INFO] running `Command { std: "docker" "start" "-a" "6017477a15a75ac8a7644ec17b484d9ece38f17db0c2489bd7167908fa8822a7", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rtt_target-fce7c9d95609ca0d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rtt_target
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/init.rs - init::rtt_init (line 100) ... FAILED
[INFO] [stdout] test src/init.rs - init::rtt_init (line 109) ... FAILED
[INFO] [stdout] test src/init.rs - init::rtt_init (line 67) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 115) ... FAILED
[INFO] [stdout] test src/init.rs - init::rtt_init_default (line 171) ... FAILED
[INFO] [stdout] test src/lib.rs - UpChannel::u (line 190) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 94) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 72) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/init.rs - init::rtt_init (line 100) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `UpChannel` in this scope
[INFO] [stdout]  --> src/init.rs:102:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     up: (UpChannel, UpChannel),
[INFO] [stdout]   |          ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::UpChannel;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `UpChannel` in this scope
[INFO] [stdout]  --> src/init.rs:102:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |     up: (UpChannel, UpChannel),
[INFO] [stdout]   |                     ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::UpChannel;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DownChannel` in this scope
[INFO] [stdout]  --> src/init.rs:103:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     down: (DownChannel,),
[INFO] [stdout]   |            ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::DownChannel;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/init.rs - init::rtt_init (line 109) stdout ----
[INFO] [stdout] error: cannot find macro `rtt_init` in this scope
[INFO] [stdout]  --> src/init.rs:112:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | let channels = rtt_init! { ... };
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::rtt_init;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/init.rs - init::rtt_init (line 67) stdout ----
[INFO] [stdout] error: cannot find macro `rtt_init` in this scope
[INFO] [stdout]  --> src/init.rs:68:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | let channels = rtt_init! {
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::rtt_init;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 115) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `read` in this scope
[INFO] [stdout]  --> src/lib.rs:121:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         read = channels.down.0.read(&mut read_buf);
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: you might have meant to introduce a new binding
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let read = channels.down.0.read(&mut read_buf);
[INFO] [stdout]   |         +++
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 4 + use core::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::fs::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `channels` in this scope
[INFO] [stdout]  --> src/lib.rs:121:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |         read = channels.down.0.read(&mut read_buf);
[INFO] [stdout]   |                ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `read_buf` in this scope
[INFO] [stdout]  --> src/lib.rs:121:42
[INFO] [stdout]   |
[INFO] [stdout] 8 |         read = channels.down.0.read(&mut read_buf);
[INFO] [stdout]   |                                          ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `read` in this scope
[INFO] [stdout]  --> src/lib.rs:122:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |         for i in 0..read {
[INFO] [stdout]   |                     ^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 4 + use core::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::fs::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `read_buf` in this scope
[INFO] [stdout]   --> src/lib.rs:123:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |             match read_buf[i] as char {
[INFO] [stdout]    |                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0571]: `break` with value from a `for` loop
[INFO] [stdout]   --> src/lib.rs:124:24
[INFO] [stdout]    |
[INFO] [stdout] 9  |         for i in 0..read {
[INFO] [stdout]    |         ---------------- you can't `break` with a value in a `for` loop
[INFO] [stdout] 10 |             match read_buf[i] as char {
[INFO] [stdout] 11 |                 '0' => break 0,
[INFO] [stdout]    |                        ^^^^^^^ can only break with a value inside `loop` or breakable block
[INFO] [stdout]    |
[INFO] [stdout] help: use `break` on its own without a value inside this `for` loop
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 '0' => break,
[INFO] [stdout]    |                        ~~~~~
[INFO] [stdout] 
[INFO] [stdout] error[E0571]: `break` with value from a `for` loop
[INFO] [stdout]   --> src/lib.rs:125:24
[INFO] [stdout]    |
[INFO] [stdout] 9  |         for i in 0..read {
[INFO] [stdout]    |         ---------------- you can't `break` with a value in a `for` loop
[INFO] [stdout] ...
[INFO] [stdout] 12 |                 '1' => break 1,
[INFO] [stdout]    |                        ^^^^^^^ can only break with a value inside `loop` or breakable block
[INFO] [stdout]    |
[INFO] [stdout] help: use `break` on its own without a value inside this `for` loop
[INFO] [stdout]    |
[INFO] [stdout] 12 |                 '1' => break,
[INFO] [stdout]    |                        ~~~~~
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0571.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/init.rs - init::rtt_init_default (line 171) stdout ----
[INFO] [stdout] error: cannot find macro `rtt_init` in this scope
[INFO] [stdout]  --> src/init.rs:172:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | rtt_init! {
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]   |
[INFO] [stdout] 2 + use rtt_target::rtt_init;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - UpChannel::u (line 190) stdout ----
[INFO] [stdout] error: cannot find macro `uwriteln` in this scope
[INFO] [stdout]  --> src/lib.rs:192:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | uwriteln!(output.u(), "Hello, ufmt!");
[INFO] [stdout]   | ^^^^^^^^ help: a macro with a similar name exists: `writeln`
[INFO] [stdout]  --> /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/macros/mod.rs:665:1
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named macro `writeln` defined here
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `channels` in this scope
[INFO] [stdout]  --> src/lib.rs:191:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut output = channels.up.0;
[INFO] [stdout]   |                  ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 94) stdout ----
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustchTqMkh/symbols.o" "/tmp/rustdoctest99meU7/rust_out.rust_out.7056a45d8fee40b0-cgu.0.rcgu.o" "/tmp/rustdoctest99meU7/rust_out.9le23yjcp9rof6lkeopzua5z8.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib" "/opt/rustwide/target/debug/deps/libcritical_section-46c21e9028838d8a.rlib" "/opt/rustwide/target/debug/deps/libufmt_write-92db9d1af05f46ae.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-de48b8168d6cf4fa.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9f3477fb95a0bba7.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-210d920812faea91.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f3d3451767410a17.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1a79dd36d08251de.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-886230e7120831b2.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2caea079085a58a2.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a9d7d97cdc65a449.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-5727477b0a78105a.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7e555563aa211118.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c8f13465f1a795b2.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ee5b5774583426df.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-14df174c91007922.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-e8bfe52be756260a.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-6275035a459b3ada.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b6892f3c52c68f01.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8b7e96e438f08f6.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/tmp/rustdoctest99meU7/rust_out" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib(rtt_target-77502e79771e6903.rtt_target.f661bc16a6d9d86d-cgu.0.rcgu.o): in function `critical_section::acquire':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:183: undefined reference to `_critical_section_1_0_acquire'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:183: undefined reference to `_critical_section_1_0_acquire'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib(rtt_target-77502e79771e6903.rtt_target.f661bc16a6d9d86d-cgu.0.rcgu.o): in function `critical_section::release':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:200: undefined reference to `_critical_section_1_0_release'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 72) stdout ----
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcqjXVxY/symbols.o" "/tmp/rustdoctestOAnzvH/rust_out.rust_out.7056a45d8fee40b0-cgu.0.rcgu.o" "/tmp/rustdoctestOAnzvH/rust_out.9le23yjcp9rof6lkeopzua5z8.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib" "/opt/rustwide/target/debug/deps/libcritical_section-46c21e9028838d8a.rlib" "/opt/rustwide/target/debug/deps/libufmt_write-92db9d1af05f46ae.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-de48b8168d6cf4fa.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9f3477fb95a0bba7.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-210d920812faea91.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f3d3451767410a17.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1a79dd36d08251de.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-886230e7120831b2.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2caea079085a58a2.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a9d7d97cdc65a449.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-5727477b0a78105a.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7e555563aa211118.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c8f13465f1a795b2.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ee5b5774583426df.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-14df174c91007922.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-e8bfe52be756260a.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-6275035a459b3ada.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b6892f3c52c68f01.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8b7e96e438f08f6.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/tmp/rustdoctestOAnzvH/rust_out" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib(rtt_target-77502e79771e6903.rtt_target.f661bc16a6d9d86d-cgu.0.rcgu.o): in function `critical_section::acquire':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:183: undefined reference to `_critical_section_1_0_acquire'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:183: undefined reference to `_critical_section_1_0_acquire'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librtt_target-77502e79771e6903.rlib(rtt_target-77502e79771e6903.rtt_target.f661bc16a6d9d86d-cgu.0.rcgu.o): in function `critical_section::release':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/critical-section-1.1.2/src/lib.rs:200: undefined reference to `_critical_section_1_0_release'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/init.rs - init::rtt_init (line 100)
[INFO] [stdout]     src/init.rs - init::rtt_init (line 109)
[INFO] [stdout]     src/init.rs - init::rtt_init (line 67)
[INFO] [stdout]     src/init.rs - init::rtt_init_default (line 171)
[INFO] [stdout]     src/lib.rs - (line 115)
[INFO] [stdout]     src/lib.rs - (line 72)
[INFO] [stdout]     src/lib.rs - (line 94)
[INFO] [stdout]     src/lib.rs - UpChannel::u (line 190)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 8 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "6017477a15a75ac8a7644ec17b484d9ece38f17db0c2489bd7167908fa8822a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6017477a15a75ac8a7644ec17b484d9ece38f17db0c2489bd7167908fa8822a7", kill_on_drop: false }`
[INFO] [stdout] 6017477a15a75ac8a7644ec17b484d9ece38f17db0c2489bd7167908fa8822a7
