[INFO] fetching crate signalspec 0.0.0...
[INFO] testing signalspec-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate signalspec 0.0.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate signalspec 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 signalspec 0.0.0
[INFO] finished tweaking crates.io crate signalspec 0.0.0
[INFO] tweaked toml for crates.io crate signalspec 0.0.0 written to /workspace/builds/worker-19/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] d0e483c2c1de521f3be1ab7c9655af7cebe913ca3a00a296fd85de952629d764
[INFO] running `Command { std: "docker" "start" "-a" "d0e483c2c1de521f3be1ab7c9655af7cebe913ca3a00a296fd85de952629d764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0e483c2c1de521f3be1ab7c9655af7cebe913ca3a00a296fd85de952629d764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e483c2c1de521f3be1ab7c9655af7cebe913ca3a00a296fd85de952629d764", kill_on_drop: false }`
[INFO] [stdout] d0e483c2c1de521f3be1ab7c9655af7cebe913ca3a00a296fd85de952629d764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 81d4da3af44a9057576d46517de1edddf6af7631da62ce4dd8645a733a8f70b4
[INFO] running `Command { std: "docker" "start" "-a" "81d4da3af44a9057576d46517de1edddf6af7631da62ce4dd8645a733a8f70b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling signalspec v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "81d4da3af44a9057576d46517de1edddf6af7631da62ce4dd8645a733a8f70b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d4da3af44a9057576d46517de1edddf6af7631da62ce4dd8645a733a8f70b4", kill_on_drop: false }`
[INFO] [stdout] 81d4da3af44a9057576d46517de1edddf6af7631da62ce4dd8645a733a8f70b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] c640b8dbd3195127769ac559843f1c25cc4a0286d5f8650d68a37127e03528ac
[INFO] running `Command { std: "docker" "start" "-a" "c640b8dbd3195127769ac559843f1c25cc4a0286d5f8650d68a37127e03528ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling signalspec v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/signalspec-a3afe3f977595671)
[INFO] running `Command { std: "docker" "inspect" "c640b8dbd3195127769ac559843f1c25cc4a0286d5f8650d68a37127e03528ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c640b8dbd3195127769ac559843f1c25cc4a0286d5f8650d68a37127e03528ac", kill_on_drop: false }`
[INFO] [stdout] c640b8dbd3195127769ac559843f1c25cc4a0286d5f8650d68a37127e03528ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 45f27fb480cb1ecb54a330e0f27d92cc9028cb87bb2bbd1f8f5e988dbb7da80a
[INFO] running `Command { std: "docker" "start" "-a" "45f27fb480cb1ecb54a330e0f27d92cc9028cb87bb2bbd1f8f5e988dbb7da80a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/signalspec-a3afe3f977595671)
[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 signalspec
[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] running `Command { std: "docker" "inspect" "45f27fb480cb1ecb54a330e0f27d92cc9028cb87bb2bbd1f8f5e988dbb7da80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f27fb480cb1ecb54a330e0f27d92cc9028cb87bb2bbd1f8f5e988dbb7da80a", kill_on_drop: false }`
[INFO] [stdout] 45f27fb480cb1ecb54a330e0f27d92cc9028cb87bb2bbd1f8f5e988dbb7da80a