[INFO] fetching crate rtt-target 0.6.1...
[INFO] testing rtt-target-0.6.1 against 1.90.0 for beta-1.91-2
[INFO] extracting crate rtt-target 0.6.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rtt-target 0.6.1
[INFO] finished tweaking crates.io crate rtt-target 0.6.1
[INFO] tweaked toml for crates.io crate rtt-target 0.6.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rtt-target 0.6.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee063f2d187519ace59dec8d660d4d4169bcb2aa02b082daff3477af78f53ac6
[INFO] running `Command { std: "docker" "start" "-a" "ee063f2d187519ace59dec8d660d4d4169bcb2aa02b082daff3477af78f53ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee063f2d187519ace59dec8d660d4d4169bcb2aa02b082daff3477af78f53ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee063f2d187519ace59dec8d660d4d4169bcb2aa02b082daff3477af78f53ac6", kill_on_drop: false }`
[INFO] [stdout] ee063f2d187519ace59dec8d660d4d4169bcb2aa02b082daff3477af78f53ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cb56da95dc7121cce8997ff6176f7a446f021f6a26d44f8261b33d6a42a808d
[INFO] running `Command { std: "docker" "start" "-a" "7cb56da95dc7121cce8997ff6176f7a446f021f6a26d44f8261b33d6a42a808d", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling rtt-target v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:228:14
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn u(&mut self) -> uWriter {
[INFO] [stdout]     |              ^^^^^^^^^     ------- the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn u(&mut self) -> uWriter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:397:18
[INFO] [stdout]     |
[INFO] [stdout] 397 |     pub fn write(&mut self, number: u8) -> TerminalWriter {
[INFO] [stdout]     |                  ^^^^^^^^^                 -------------- the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 397 |     pub fn write(&mut self, number: u8) -> TerminalWriter<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/rtt.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |         ptr::write_volatile(&mut self.size, (*buffer).len());
[INFO] [stdout]    |                                             ^^------^^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               this raw pointer has type `*mut [u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]`
[INFO] [stdout]   --> src/rtt.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |         ptr::write_volatile(&mut self.size, (*buffer).len());
[INFO] [stdout]    |                                             ^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/slice/mod.rs:114:5
[INFO] [stdout]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 66 |         ptr::write_volatile(&mut self.size, (&(*buffer)).len());
[INFO] [stdout]    |                                             ++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "7cb56da95dc7121cce8997ff6176f7a446f021f6a26d44f8261b33d6a42a808d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb56da95dc7121cce8997ff6176f7a446f021f6a26d44f8261b33d6a42a808d", kill_on_drop: false }`
[INFO] [stdout] 7cb56da95dc7121cce8997ff6176f7a446f021f6a26d44f8261b33d6a42a808d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce566f926eecc6911966a39d25ca2ee49426fa2d6f937e12e7d0cc49a9c343ec
[INFO] running `Command { std: "docker" "start" "-a" "ce566f926eecc6911966a39d25ca2ee49426fa2d6f937e12e7d0cc49a9c343ec", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:228:14
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn u(&mut self) -> uWriter {
[INFO] [stdout]     |              ^^^^^^^^^     ------- the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn u(&mut self) -> uWriter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:397:18
[INFO] [stdout]     |
[INFO] [stdout] 397 |     pub fn write(&mut self, number: u8) -> TerminalWriter {
[INFO] [stdout]     |                  ^^^^^^^^^                 -------------- the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 397 |     pub fn write(&mut self, number: u8) -> TerminalWriter<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/rtt.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |         ptr::write_volatile(&mut self.size, (*buffer).len());
[INFO] [stdout]    |                                             ^^------^^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               this raw pointer has type `*mut [u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]`
[INFO] [stdout]   --> src/rtt.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |         ptr::write_volatile(&mut self.size, (*buffer).len());
[INFO] [stdout]    |                                             ^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/slice/mod.rs:114:5
[INFO] [stdout]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 66 |         ptr::write_volatile(&mut self.size, (&(*buffer)).len());
[INFO] [stdout]    |                                             ++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rtt-target v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:228:14
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn u(&mut self) -> uWriter {
[INFO] [stdout]     |              ^^^^^^^^^     ------- the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn u(&mut self) -> uWriter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:397:18
[INFO] [stdout]     |
[INFO] [stdout] 397 |     pub fn write(&mut self, number: u8) -> TerminalWriter {
[INFO] [stdout]     |                  ^^^^^^^^^                 -------------- the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 397 |     pub fn write(&mut self, number: u8) -> TerminalWriter<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/rtt.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |         ptr::write_volatile(&mut self.size, (*buffer).len());
[INFO] [stdout]    |                                             ^^------^^^^^^^
[INFO] [stdout]    |                                               |
[INFO] [stdout]    |                                               this raw pointer has type `*mut [u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[u8]`
[INFO] [stdout]   --> src/rtt.rs:66:45
[INFO] [stdout]    |
[INFO] [stdout] 66 |         ptr::write_volatile(&mut self.size, (*buffer).len());
[INFO] [stdout]    |                                             ^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/slice/mod.rs:114:5
[INFO] [stdout]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 66 |         ptr::write_volatile(&mut self.size, (&(*buffer)).len());
[INFO] [stdout]    |                                             ++         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "ce566f926eecc6911966a39d25ca2ee49426fa2d6f937e12e7d0cc49a9c343ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce566f926eecc6911966a39d25ca2ee49426fa2d6f937e12e7d0cc49a9c343ec", kill_on_drop: false }`
[INFO] [stdout] ce566f926eecc6911966a39d25ca2ee49426fa2d6f937e12e7d0cc49a9c343ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75c0016452c427ff6e6bc0890f58188dd18a148615d2ec651b2f02d20a998ef1
[INFO] running `Command { std: "docker" "start" "-a" "75c0016452c427ff6e6bc0890f58188dd18a148615d2ec651b2f02d20a998ef1", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:228:14
[INFO] [stderr]     |
[INFO] [stderr] 228 |     pub fn u(&mut self) -> uWriter {
[INFO] [stderr]     |              ^^^^^^^^^     ------- the same lifetime is hidden here
[INFO] [stderr]     |              |
[INFO] [stderr]     |              the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 228 |     pub fn u(&mut self) -> uWriter<'_> {
[INFO] [stderr]     |                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:397:18
[INFO] [stderr]     |
[INFO] [stderr] 397 |     pub fn write(&mut self, number: u8) -> TerminalWriter {
[INFO] [stderr]     |                  ^^^^^^^^^                 -------------- the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 397 |     pub fn write(&mut self, number: u8) -> TerminalWriter<'_> {
[INFO] [stderr]     |                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]   --> src/rtt.rs:66:45
[INFO] [stderr]    |
[INFO] [stderr] 66 |         ptr::write_volatile(&mut self.size, (*buffer).len());
[INFO] [stderr]    |                                             ^^------^^^^^^^
[INFO] [stderr]    |                                               |
[INFO] [stderr]    |                                               this raw pointer has type `*mut [u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&[u8]`
[INFO] [stderr]   --> src/rtt.rs:66:45
[INFO] [stderr]    |
[INFO] [stderr] 66 |         ptr::write_volatile(&mut self.size, (*buffer).len());
[INFO] [stderr]    |                                             ^^^^^^^^^
[INFO] [stderr] note: method calls to `len` require a reference
[INFO] [stderr]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/slice/mod.rs:114:5
[INFO] [stderr]    = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]    |
[INFO] [stderr] 66 |         ptr::write_volatile(&mut self.size, (&(*buffer)).len());
[INFO] [stderr]    |                                             ++         +
[INFO] [stderr] 
[INFO] [stderr] warning: `rtt-target` (lib) generated 3 warnings
[INFO] [stderr] warning: `rtt-target` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rtt_target-fe9642dfbb252fdf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rtt_target
[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] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/init.rs - init::rtt_init (line 67) ... FAILED
[INFO] [stdout] test src/init.rs - init::rtt_init (line 100) ... FAILED
[INFO] [stdout] test src/lib.rs - UpChannel::u (line 224) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 121) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 100) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 142) ... FAILED
[INFO] [stdout] test src/init.rs - init::rtt_init (line 109) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 82) ... FAILED
[INFO] [stdout] test src/init.rs - init::rtt_init_default (line 186) ... 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/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 224) stdout ----
[INFO] [stdout] error: cannot find macro `uwriteln` in this scope
[INFO] [stdout]  --> src/lib.rs:226:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | uwriteln!(output.u(), "Hello, ufmt!");
[INFO] [stdout]   | ^^^^^^^^ help: a macro with a similar name exists: `writeln`
[INFO] [stdout]  --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/macros/mod.rs:641:1
[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:225:18
[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 121) stdout ----
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcHAH8Ri/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{librtt_target-e152854d6503b25e,libcritical_section-61caee8f9a291067,libportable_atomic-8295a448ab2fa443,libufmt_write-67f6f6b557dfe69b}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcHAH8Ri/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/tmp/rustdoctestlss4TK/rust_out" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: _critical_section_1_0_acquire
[INFO] [stdout]           >>> referenced by lib.rs:202 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/critical-section-1.2.0/src/lib.rs:202)
[INFO] [stdout]           >>>               rtt_target-e152854d6503b25e.rtt_target.e17f58329f8e66b5-cgu.0.rcgu.o:(critical_section::with::h25aeb5a73ee3c22c) in archive /opt/rustwide/target/debug/deps/librtt_target-e152854d6503b25e.rlib
[INFO] [stdout]           >>> referenced by rust_out.24668f500f06c7ab-cgu.0
[INFO] [stdout]           >>>               /tmp/rustdoctestlss4TK/rust_out.rust_out.24668f500f06c7ab-cgu.0.rcgu.o:(critical_section::with::h34fa1923bb8c0e6c)
[INFO] [stdout]           >>> referenced by lib.rs:202 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/critical-section-1.2.0/src/lib.rs:202)
[INFO] [stdout]           >>>               rtt_target-e152854d6503b25e.rtt_target.e17f58329f8e66b5-cgu.0.rcgu.o:(critical_section::with::he5bc6e020e470b36) in archive /opt/rustwide/target/debug/deps/librtt_target-e152854d6503b25e.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: _critical_section_1_0_release
[INFO] [stdout]           >>> referenced by lib.rs:219 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/critical-section-1.2.0/src/lib.rs:219)
[INFO] [stdout]           >>>               rtt_target-e152854d6503b25e.rtt_target.e17f58329f8e66b5-cgu.0.rcgu.o:(core::ptr::drop_in_place$LT$critical_section..with..Guard$GT$::ha7f72254469d7078) in archive /opt/rustwide/target/debug/deps/librtt_target-e152854d6503b25e.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[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 100) stdout ----
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcO9JESZ/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{librtt_target-e152854d6503b25e,libcritical_section-61caee8f9a291067,libportable_atomic-8295a448ab2fa443,libufmt_write-67f6f6b557dfe69b}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcO9JESZ/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/tmp/rustdoctest8TkCef/rust_out" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: _critical_section_1_0_acquire
[INFO] [stdout]           >>> referenced by rust_out.24668f500f06c7ab-cgu.0
[INFO] [stdout]           >>>               /tmp/rustdoctest8TkCef/rust_out.rust_out.24668f500f06c7ab-cgu.0.rcgu.o:(critical_section::with::h34fa1923bb8c0e6c)
[INFO] [stdout]           >>> referenced by lib.rs:202 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/critical-section-1.2.0/src/lib.rs:202)
[INFO] [stdout]           >>>               rtt_target-e152854d6503b25e.rtt_target.e17f58329f8e66b5-cgu.0.rcgu.o:(critical_section::with::h25aeb5a73ee3c22c) in archive /opt/rustwide/target/debug/deps/librtt_target-e152854d6503b25e.rlib
[INFO] [stdout]           >>> referenced by lib.rs:202 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/critical-section-1.2.0/src/lib.rs:202)
[INFO] [stdout]           >>>               rtt_target-e152854d6503b25e.rtt_target.e17f58329f8e66b5-cgu.0.rcgu.o:(critical_section::with::he5bc6e020e470b36) in archive /opt/rustwide/target/debug/deps/librtt_target-e152854d6503b25e.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: _critical_section_1_0_release
[INFO] [stdout]           >>> referenced by lib.rs:219 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/critical-section-1.2.0/src/lib.rs:219)
[INFO] [stdout]           >>>               rtt_target-e152854d6503b25e.rtt_target.e17f58329f8e66b5-cgu.0.rcgu.o:(core::ptr::drop_in_place$LT$critical_section..with..Guard$GT$::ha7f72254469d7078) in archive /opt/rustwide/target/debug/deps/librtt_target-e152854d6503b25e.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[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 142) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `read` in this scope
[INFO] [stdout]  --> src/lib.rs:148:9
[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 functions
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::fs::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use core::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `channels` in this scope
[INFO] [stdout]  --> src/lib.rs:148:16
[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:148:42
[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:149:21
[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 functions
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::fs::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use std::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 4 + use core::ptr::read;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `read_buf` in this scope
[INFO] [stdout]   --> src/lib.rs:150:19
[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:151:24
[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 0,
[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:152:24
[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 1,
[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 (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/lib.rs - (line 82) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `rtt_target::rtt_init_log`
[INFO] [stdout]  --> src/lib.rs:84:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rtt_target::rtt_init_log;
[INFO] [stdout]   |     ^^^^^^^^^^^^------------
[INFO] [stdout]   |     |           |
[INFO] [stdout]   |     |           help: a similar name exists in the module: `rtt_init`
[INFO] [stdout]   |     no `rtt_init_log` in the root
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `log`
[INFO] [stdout]  --> src/lib.rs:89:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |        log::info!("Hello, world!");
[INFO] [stdout]   |        ^^^ use of unresolved module or unlinked crate `log`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/init.rs - init::rtt_init_default (line 186) stdout ----
[INFO] [stdout] error: cannot find macro `rtt_init` in this scope
[INFO] [stdout]  --> src/init.rs:187:1
[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] 
[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 186)
[INFO] [stdout]     src/lib.rs - (line 100)
[INFO] [stdout]     src/lib.rs - (line 121)
[INFO] [stdout]     src/lib.rs - (line 142)
[INFO] [stdout]     src/lib.rs - (line 82)
[INFO] [stdout]     src/lib.rs - UpChannel::u (line 224)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 9 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "75c0016452c427ff6e6bc0890f58188dd18a148615d2ec651b2f02d20a998ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c0016452c427ff6e6bc0890f58188dd18a148615d2ec651b2f02d20a998ef1", kill_on_drop: false }`
[INFO] [stdout] 75c0016452c427ff6e6bc0890f58188dd18a148615d2ec651b2f02d20a998ef1
