[INFO] fetching crate asygnal 0.0.2...
[INFO] testing asygnal-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate asygnal 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate asygnal 0.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asygnal 0.0.2
[INFO] finished tweaking crates.io crate asygnal 0.0.2
[INFO] tweaked toml for crates.io crate asygnal 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c339f295f99b374f84d468d27d3be31a23914950468645f44c06fc7cfaaef60
[INFO] running `Command { std: "docker" "start" "-a" "3c339f295f99b374f84d468d27d3be31a23914950468645f44c06fc7cfaaef60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c339f295f99b374f84d468d27d3be31a23914950468645f44c06fc7cfaaef60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c339f295f99b374f84d468d27d3be31a23914950468645f44c06fc7cfaaef60", kill_on_drop: false }`
[INFO] [stdout] 3c339f295f99b374f84d468d27d3be31a23914950468645f44c06fc7cfaaef60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ec35debb8ea4830bca81dda0cf65330099c6b99b9a41d33009918bedaa5e5f6
[INFO] running `Command { std: "docker" "start" "-a" "6ec35debb8ea4830bca81dda0cf65330099c6b99b9a41d33009918bedaa5e5f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling asygnal v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "6ec35debb8ea4830bca81dda0cf65330099c6b99b9a41d33009918bedaa5e5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec35debb8ea4830bca81dda0cf65330099c6b99b9a41d33009918bedaa5e5f6", kill_on_drop: false }`
[INFO] [stdout] 6ec35debb8ea4830bca81dda0cf65330099c6b99b9a41d33009918bedaa5e5f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c25b158342b863c576b9dcb8ebe05f77d262a99c010813253a7f8d41d5e3909
[INFO] running `Command { std: "docker" "start" "-a" "4c25b158342b863c576b9dcb8ebe05f77d262a99c010813253a7f8d41d5e3909", kill_on_drop: false }`
[INFO] [stderr]    Compiling asygnal v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "4c25b158342b863c576b9dcb8ebe05f77d262a99c010813253a7f8d41d5e3909", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c25b158342b863c576b9dcb8ebe05f77d262a99c010813253a7f8d41d5e3909", kill_on_drop: false }`
[INFO] [stdout] 4c25b158342b863c576b9dcb8ebe05f77d262a99c010813253a7f8d41d5e3909
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c3ad2f9aa8266136637e920ba2378594f07231574308f7e9f40f40ae2b4899a
[INFO] running `Command { std: "docker" "start" "-a" "4c3ad2f9aa8266136637e920ba2378594f07231574308f7e9f40f40ae2b4899a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/asygnal-92e619809861bb50)
[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 asygnal
[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" "4c3ad2f9aa8266136637e920ba2378594f07231574308f7e9f40f40ae2b4899a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3ad2f9aa8266136637e920ba2378594f07231574308f7e9f40f40ae2b4899a", kill_on_drop: false }`
[INFO] [stdout] 4c3ad2f9aa8266136637e920ba2378594f07231574308f7e9f40f40ae2b4899a