[INFO] fetching crate cortex-m-log 0.7.0...
[INFO] testing cortex-m-log-0.7.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cortex-m-log 0.7.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cortex-m-log 0.7.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cortex-m-log 0.7.0
[INFO] finished tweaking crates.io crate cortex-m-log 0.7.0
[INFO] tweaked toml for crates.io crate cortex-m-log 0.7.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04c2762ad13290026a926b7a592683236c0857f367fae441768056a6553f8bfa
[INFO] running `Command { std: "docker" "start" "-a" "04c2762ad13290026a926b7a592683236c0857f367fae441768056a6553f8bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04c2762ad13290026a926b7a592683236c0857f367fae441768056a6553f8bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c2762ad13290026a926b7a592683236c0857f367fae441768056a6553f8bfa", kill_on_drop: false }`
[INFO] [stdout] 04c2762ad13290026a926b7a592683236c0857f367fae441768056a6553f8bfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06197e80255f26f0a15edd0a673a0d803e7aad400749dd464e1fce8b1319e4ed
[INFO] running `Command { std: "docker" "start" "-a" "06197e80255f26f0a15edd0a673a0d803e7aad400749dd464e1fce8b1319e4ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m-log v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "06197e80255f26f0a15edd0a673a0d803e7aad400749dd464e1fce8b1319e4ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06197e80255f26f0a15edd0a673a0d803e7aad400749dd464e1fce8b1319e4ed", kill_on_drop: false }`
[INFO] [stdout] 06197e80255f26f0a15edd0a673a0d803e7aad400749dd464e1fce8b1319e4ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed6508327a317e95e3e2348326436fa8e67fc16862ee6d8f62ec7a5581b9a607
[INFO] running `Command { std: "docker" "start" "-a" "ed6508327a317e95e3e2348326436fa8e67fc16862ee6d8f62ec7a5581b9a607", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m-log v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "ed6508327a317e95e3e2348326436fa8e67fc16862ee6d8f62ec7a5581b9a607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6508327a317e95e3e2348326436fa8e67fc16862ee6d8f62ec7a5581b9a607", kill_on_drop: false }`
[INFO] [stdout] ed6508327a317e95e3e2348326436fa8e67fc16862ee6d8f62ec7a5581b9a607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a26c9afadc91756a5993eba54d54969ed098d93d5d8ecc64713184792322b8b2
[INFO] running `Command { std: "docker" "start" "-a" "a26c9afadc91756a5993eba54d54969ed098d93d5d8ecc64713184792322b8b2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cortex_m_log-27e42acf1ce2ab9f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cortex-m-log
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a26c9afadc91756a5993eba54d54969ed098d93d5d8ecc64713184792322b8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26c9afadc91756a5993eba54d54969ed098d93d5d8ecc64713184792322b8b2", kill_on_drop: false }`
[INFO] [stdout] a26c9afadc91756a5993eba54d54969ed098d93d5d8ecc64713184792322b8b2