[INFO] fetching crate trace-core 0.0.0...
[INFO] testing trace-core-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate trace-core 0.0.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate trace-core 0.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trace-core 0.0.0
[INFO] finished tweaking crates.io crate trace-core 0.0.0
[INFO] tweaked toml for crates.io crate trace-core 0.0.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edeca85e80839527dfa26354087ff418b08fa875a016710c8c8207fb754e5bc9
[INFO] running `Command { std: "docker" "start" "-a" "edeca85e80839527dfa26354087ff418b08fa875a016710c8c8207fb754e5bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edeca85e80839527dfa26354087ff418b08fa875a016710c8c8207fb754e5bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edeca85e80839527dfa26354087ff418b08fa875a016710c8c8207fb754e5bc9", kill_on_drop: false }`
[INFO] [stdout] edeca85e80839527dfa26354087ff418b08fa875a016710c8c8207fb754e5bc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82fbc8ea447f0b7b89e3420c7833f4f9fb227e56d0f9af0947c2f6a915722a9f
[INFO] running `Command { std: "docker" "start" "-a" "82fbc8ea447f0b7b89e3420c7833f4f9fb227e56d0f9af0947c2f6a915722a9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling trace-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.29s
[INFO] running `Command { std: "docker" "inspect" "82fbc8ea447f0b7b89e3420c7833f4f9fb227e56d0f9af0947c2f6a915722a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82fbc8ea447f0b7b89e3420c7833f4f9fb227e56d0f9af0947c2f6a915722a9f", kill_on_drop: false }`
[INFO] [stdout] 82fbc8ea447f0b7b89e3420c7833f4f9fb227e56d0f9af0947c2f6a915722a9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 791a4af6010a015d684aecd4a3a7f433f7b48af58d78abcc6128600a7d82bbfd
[INFO] running `Command { std: "docker" "start" "-a" "791a4af6010a015d684aecd4a3a7f433f7b48af58d78abcc6128600a7d82bbfd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling trace-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/trace_core-da86bdb54d36fe86)
[INFO] running `Command { std: "docker" "inspect" "791a4af6010a015d684aecd4a3a7f433f7b48af58d78abcc6128600a7d82bbfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791a4af6010a015d684aecd4a3a7f433f7b48af58d78abcc6128600a7d82bbfd", kill_on_drop: false }`
[INFO] [stdout] 791a4af6010a015d684aecd4a3a7f433f7b48af58d78abcc6128600a7d82bbfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] de2d2e96efc2304ce2564adfdc79353a24a7f6b0d0d97b25073bce4c5b25c2fa
[INFO] running `Command { std: "docker" "start" "-a" "de2d2e96efc2304ce2564adfdc79353a24a7f6b0d0d97b25073bce4c5b25c2fa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trace_core-da86bdb54d36fe86)
[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 trace-core
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de2d2e96efc2304ce2564adfdc79353a24a7f6b0d0d97b25073bce4c5b25c2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2d2e96efc2304ce2564adfdc79353a24a7f6b0d0d97b25073bce4c5b25c2fa", kill_on_drop: false }`
[INFO] [stdout] de2d2e96efc2304ce2564adfdc79353a24a7f6b0d0d97b25073bce4c5b25c2fa