[INFO] fetching crate panic-serial 0.1.2...
[INFO] testing panic-serial-0.1.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate panic-serial 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate panic-serial 0.1.2 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 panic-serial 0.1.2
[INFO] finished tweaking crates.io crate panic-serial 0.1.2
[INFO] tweaked toml for crates.io crate panic-serial 0.1.2 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-macros v0.3.0
[INFO] [stderr]   Downloaded ufmt v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2961bacdf316c72cdcf1c131543415cfd60b2966a5a3e773a94804d438f9e064
[INFO] running `Command { std: "docker" "start" "-a" "2961bacdf316c72cdcf1c131543415cfd60b2966a5a3e773a94804d438f9e064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2961bacdf316c72cdcf1c131543415cfd60b2966a5a3e773a94804d438f9e064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2961bacdf316c72cdcf1c131543415cfd60b2966a5a3e773a94804d438f9e064", kill_on_drop: false }`
[INFO] [stdout] 2961bacdf316c72cdcf1c131543415cfd60b2966a5a3e773a94804d438f9e064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0d859b4f0a9fb92e820d0e8d72092445755e8899276c580c13123d398399db35
[INFO] running `Command { std: "docker" "start" "-a" "0d859b4f0a9fb92e820d0e8d72092445755e8899276c580c13123d398399db35", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]    Compiling ufmt v0.2.0
[INFO] [stderr]    Compiling panic-serial v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "0d859b4f0a9fb92e820d0e8d72092445755e8899276c580c13123d398399db35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d859b4f0a9fb92e820d0e8d72092445755e8899276c580c13123d398399db35", kill_on_drop: false }`
[INFO] [stdout] 0d859b4f0a9fb92e820d0e8d72092445755e8899276c580c13123d398399db35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 057b96c436d53de45f6b99feb2041a4a656e29e6f357b82e4556cbaa75f3120b
[INFO] running `Command { std: "docker" "start" "-a" "057b96c436d53de45f6b99feb2041a4a656e29e6f357b82e4556cbaa75f3120b", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-serial v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "057b96c436d53de45f6b99feb2041a4a656e29e6f357b82e4556cbaa75f3120b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057b96c436d53de45f6b99feb2041a4a656e29e6f357b82e4556cbaa75f3120b", kill_on_drop: false }`
[INFO] [stdout] 057b96c436d53de45f6b99feb2041a4a656e29e6f357b82e4556cbaa75f3120b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d960de65e37e30163f655e0238337fe9da20ad14d2603948f61f092a3924548d
[INFO] running `Command { std: "docker" "start" "-a" "d960de65e37e30163f655e0238337fe9da20ad14d2603948f61f092a3924548d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/panic_serial-b64f97f1104730ba)
[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 panic_serial
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 34) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 29) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 24) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 19) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 64) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 50) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 34) stdout ----
[INFO] [stdout] error: expected one of `(`, `[`, or `{`, found `}`
[INFO] [stdout]  --> src/lib.rs:36:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | PANIC !
[INFO] [stdout]   |        - expected one of `(`, `[`, or `{`
[INFO] [stdout] 4 | } _doctest_main_src_lib_rs_34_0() }
[INFO] [stdout]   | ^ unexpected token
[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 29) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `at`
[INFO] [stdout]  --> src/lib.rs:30:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | Panic at src/main.rs:91:9: attempt to subtract with overflow
[INFO] [stdout]   |       ^^ expected one of 8 possible tokens
[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 24) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `to`
[INFO] [stdout]  --> src/lib.rs:25:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | attempt to subtract with overflow
[INFO] [stdout]   |         ^^ expected one of 8 possible tokens
[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 19) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `at`
[INFO] [stdout]  --> src/lib.rs:20:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | Panic at src/main.rs:91:9
[INFO] [stdout]   |       ^^ expected one of 8 possible tokens
[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 64) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:65:3
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[arduino_hal::entry]
[INFO] [stdout]   |   ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:68:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let serial = arduino_hal::default_serial!(dp, pins, 57600);
[INFO] [stdout]   |                ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `share_serial_port_with_panic` in this scope
[INFO] [stdout]  --> src/lib.rs:70:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let serial = share_serial_port_with_panic(serial);
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:66:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() -> ! {
[INFO] [stdout]   |    ----      ^ expected `!`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected type `!`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 50) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:54:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   arduino_hal::usart::Usart<
[INFO] [stdout]   |   ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:55:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     arduino_hal::pac::USART0,
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:56:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     arduino_hal::port::Pin<arduino_hal::port::mode::Input, arduino_hal::hal::port::PD0>,
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:56:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     arduino_hal::port::Pin<arduino_hal::port::mode::Input, arduino_hal::hal::port::PD0>,
[INFO] [stdout]   |                            ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:56:60
[INFO] [stdout]   |
[INFO] [stdout] 9 |     arduino_hal::port::Pin<arduino_hal::port::mode::Input, arduino_hal::hal::port::PD0>,
[INFO] [stdout]   |                                                            ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     arduino_hal::port::Pin<arduino_hal::port::mode::Output, arduino_hal::hal::port::PD1>
[INFO] [stdout]    |     ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]   --> src/lib.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     arduino_hal::port::Pin<arduino_hal::port::mode::Output, arduino_hal::hal::port::PD1>
[INFO] [stdout]    |                            ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]   --> src/lib.rs:57:61
[INFO] [stdout]    |
[INFO] [stdout] 10 |     arduino_hal::port::Pin<arduino_hal::port::mode::Output, arduino_hal::hal::port::PD1>
[INFO] [stdout]    |                                                             ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / panic_serial::impl_panic_handler!(
[INFO] [stdout] 6  | |   // This is the type of the UART port to use for printing the message:
[INFO] [stdout] 7  | |   arduino_hal::usart::Usart<
[INFO] [stdout] 8  | |     arduino_hal::pac::USART0,
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |   >
[INFO] [stdout] 12 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `rust_out` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-de48b8168d6cf4fa.so, /opt/rustwide/rustup-home/toolchains/1871252fc8bb672d40787e67404e6eaae7059369/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-de48b8168d6cf4fa.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rust_out`)
[INFO] [stdout]    = note: this error originates in the macro `panic_serial::impl_panic_handler` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 19)
[INFO] [stdout]     src/lib.rs - (line 24)
[INFO] [stdout]     src/lib.rs - (line 29)
[INFO] [stdout]     src/lib.rs - (line 34)
[INFO] [stdout]     src/lib.rs - (line 50)
[INFO] [stdout]     src/lib.rs - (line 64)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d960de65e37e30163f655e0238337fe9da20ad14d2603948f61f092a3924548d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d960de65e37e30163f655e0238337fe9da20ad14d2603948f61f092a3924548d", kill_on_drop: false }`
[INFO] [stdout] d960de65e37e30163f655e0238337fe9da20ad14d2603948f61f092a3924548d
[INFO] testing panic-serial-0.1.2 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate panic-serial 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate panic-serial 0.1.2 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 panic-serial 0.1.2
[INFO] finished tweaking crates.io crate panic-serial 0.1.2
[INFO] tweaked toml for crates.io crate panic-serial 0.1.2 written to /workspace/builds/worker-7-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 8 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bc82fb693763e5a3990bbbcae25c9600dfbba8487aec7380a076310543642c6d
[INFO] running `Command { std: "docker" "start" "-a" "bc82fb693763e5a3990bbbcae25c9600dfbba8487aec7380a076310543642c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc82fb693763e5a3990bbbcae25c9600dfbba8487aec7380a076310543642c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc82fb693763e5a3990bbbcae25c9600dfbba8487aec7380a076310543642c6d", kill_on_drop: false }`
[INFO] [stdout] bc82fb693763e5a3990bbbcae25c9600dfbba8487aec7380a076310543642c6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 04ca62d5511f3631b81db8bccf3907340543c5b4b3340178598c73f7901bc623
[INFO] running `Command { std: "docker" "start" "-a" "04ca62d5511f3631b81db8bccf3907340543c5b4b3340178598c73f7901bc623", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]    Compiling ufmt v0.2.0
[INFO] [stderr]    Compiling panic-serial v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "04ca62d5511f3631b81db8bccf3907340543c5b4b3340178598c73f7901bc623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ca62d5511f3631b81db8bccf3907340543c5b4b3340178598c73f7901bc623", kill_on_drop: false }`
[INFO] [stdout] 04ca62d5511f3631b81db8bccf3907340543c5b4b3340178598c73f7901bc623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ef1239d1804182a32051edbab89d469eca5c772de86637b78a05931ed10d90df
[INFO] running `Command { std: "docker" "start" "-a" "ef1239d1804182a32051edbab89d469eca5c772de86637b78a05931ed10d90df", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-serial v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "ef1239d1804182a32051edbab89d469eca5c772de86637b78a05931ed10d90df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1239d1804182a32051edbab89d469eca5c772de86637b78a05931ed10d90df", kill_on_drop: false }`
[INFO] [stdout] ef1239d1804182a32051edbab89d469eca5c772de86637b78a05931ed10d90df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7539e68bfcc0619f5a4da5d1d107b0f44e547d7e8cace680eb3e4fc7767bbd27
[INFO] running `Command { std: "docker" "start" "-a" "7539e68bfcc0619f5a4da5d1d107b0f44e547d7e8cace680eb3e4fc7767bbd27", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/panic_serial-b64f97f1104730ba)
[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 panic_serial
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 19) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 24) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 34) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 64) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 50) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 29) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `at`
[INFO] [stdout]  --> src/lib.rs:30:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | Panic at src/main.rs:91:9: attempt to subtract with overflow
[INFO] [stdout]   |       ^^ expected one of 8 possible tokens
[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 19) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `at`
[INFO] [stdout]  --> src/lib.rs:20:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | Panic at src/main.rs:91:9
[INFO] [stdout]   |       ^^ expected one of 8 possible tokens
[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 24) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `to`
[INFO] [stdout]  --> src/lib.rs:25:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | attempt to subtract with overflow
[INFO] [stdout]   |         ^^ expected one of 8 possible tokens
[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 34) stdout ----
[INFO] [stdout] error: expected one of `(`, `[`, or `{`, found `}`
[INFO] [stdout]  --> src/lib.rs:36:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | PANIC !
[INFO] [stdout]   |        - expected one of `(`, `[`, or `{`
[INFO] [stdout] 4 | } _doctest_main_src_lib_rs_34_0() }
[INFO] [stdout]   | ^ unexpected token
[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 64) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:65:3
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[arduino_hal::entry]
[INFO] [stdout]   |   ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:68:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let serial = arduino_hal::default_serial!(dp, pins, 57600);
[INFO] [stdout]   |                ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `share_serial_port_with_panic` in this scope
[INFO] [stdout]  --> src/lib.rs:70:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |   let serial = share_serial_port_with_panic(serial);
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:66:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() -> ! {
[INFO] [stdout]   |    ----      ^ expected `!`, found `()`
[INFO] [stdout]   |    |
[INFO] [stdout]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected type `!`
[INFO] [stdout]           found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 50) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:54:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   arduino_hal::usart::Usart<
[INFO] [stdout]   |   ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:55:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     arduino_hal::pac::USART0,
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:56:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     arduino_hal::port::Pin<arduino_hal::port::mode::Input, arduino_hal::hal::port::PD0>,
[INFO] [stdout]   |     ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:56:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     arduino_hal::port::Pin<arduino_hal::port::mode::Input, arduino_hal::hal::port::PD0>,
[INFO] [stdout]   |                            ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]  --> src/lib.rs:56:60
[INFO] [stdout]   |
[INFO] [stdout] 9 |     arduino_hal::port::Pin<arduino_hal::port::mode::Input, arduino_hal::hal::port::PD0>,
[INFO] [stdout]   |                                                            ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     arduino_hal::port::Pin<arduino_hal::port::mode::Output, arduino_hal::hal::port::PD1>
[INFO] [stdout]    |     ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]   --> src/lib.rs:57:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     arduino_hal::port::Pin<arduino_hal::port::mode::Output, arduino_hal::hal::port::PD1>
[INFO] [stdout]    |                            ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `arduino_hal`
[INFO] [stdout]   --> src/lib.rs:57:61
[INFO] [stdout]    |
[INFO] [stdout] 10 |     arduino_hal::port::Pin<arduino_hal::port::mode::Output, arduino_hal::hal::port::PD1>
[INFO] [stdout]    |                                                             ^^^^^^^^^^^ use of undeclared crate or module `arduino_hal`
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / panic_serial::impl_panic_handler!(
[INFO] [stdout] 6  | |   // This is the type of the UART port to use for printing the message:
[INFO] [stdout] 7  | |   arduino_hal::usart::Usart<
[INFO] [stdout] 8  | |     arduino_hal::pac::USART0,
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |   >
[INFO] [stdout] 12 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `rust_out` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-de48b8168d6cf4fa.so, /opt/rustwide/rustup-home/toolchains/b642703cf9526da1e72c0b6755753b939a9c6b6d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-de48b8168d6cf4fa.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rust_out`)
[INFO] [stdout]    = note: this error originates in the macro `panic_serial::impl_panic_handler` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 19)
[INFO] [stdout]     src/lib.rs - (line 24)
[INFO] [stdout]     src/lib.rs - (line 29)
[INFO] [stdout]     src/lib.rs - (line 34)
[INFO] [stdout]     src/lib.rs - (line 50)
[INFO] [stdout]     src/lib.rs - (line 64)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7539e68bfcc0619f5a4da5d1d107b0f44e547d7e8cace680eb3e4fc7767bbd27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7539e68bfcc0619f5a4da5d1d107b0f44e547d7e8cace680eb3e4fc7767bbd27", kill_on_drop: false }`
[INFO] [stdout] 7539e68bfcc0619f5a4da5d1d107b0f44e547d7e8cace680eb3e4fc7767bbd27
