[INFO] fetching crate defer 0.1.0...
[INFO] testing defer-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate defer 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate defer 0.1.0 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 defer 0.1.0
[INFO] finished tweaking crates.io crate defer 0.1.0
[INFO] tweaked toml for crates.io crate defer 0.1.0 written to /workspace/builds/worker-12/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9b067e63454b284e80ad19b1a0f915078d3c25bf2d9792935380f38d79fb08c4
[INFO] running `Command { std: "docker" "start" "-a" "9b067e63454b284e80ad19b1a0f915078d3c25bf2d9792935380f38d79fb08c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b067e63454b284e80ad19b1a0f915078d3c25bf2d9792935380f38d79fb08c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b067e63454b284e80ad19b1a0f915078d3c25bf2d9792935380f38d79fb08c4", kill_on_drop: false }`
[INFO] [stdout] 9b067e63454b284e80ad19b1a0f915078d3c25bf2d9792935380f38d79fb08c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a29f249d907bfe883770c6cc874b6910e8b8c015fc1f84d17ebae43ce3a381ef
[INFO] running `Command { std: "docker" "start" "-a" "a29f249d907bfe883770c6cc874b6910e8b8c015fc1f84d17ebae43ce3a381ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling defer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "a29f249d907bfe883770c6cc874b6910e8b8c015fc1f84d17ebae43ce3a381ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a29f249d907bfe883770c6cc874b6910e8b8c015fc1f84d17ebae43ce3a381ef", kill_on_drop: false }`
[INFO] [stdout] a29f249d907bfe883770c6cc874b6910e8b8c015fc1f84d17ebae43ce3a381ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d7d3e107815b39770f3361a3b9dc1afd86b6dc705f3fdf98ca6f8eee25e8f4ae
[INFO] running `Command { std: "docker" "start" "-a" "d7d3e107815b39770f3361a3b9dc1afd86b6dc705f3fdf98ca6f8eee25e8f4ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling defer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "d7d3e107815b39770f3361a3b9dc1afd86b6dc705f3fdf98ca6f8eee25e8f4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d3e107815b39770f3361a3b9dc1afd86b6dc705f3fdf98ca6f8eee25e8f4ae", kill_on_drop: false }`
[INFO] [stdout] d7d3e107815b39770f3361a3b9dc1afd86b6dc705f3fdf98ca6f8eee25e8f4ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a479a1bbba6af6dac78faf63806eab031d170bba17a71df7da04a61eb372154f
[INFO] running `Command { std: "docker" "start" "-a" "a479a1bbba6af6dac78faf63806eab031d170bba17a71df7da04a61eb372154f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/defer-26513166321c412f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests defer
[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" "a479a1bbba6af6dac78faf63806eab031d170bba17a71df7da04a61eb372154f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a479a1bbba6af6dac78faf63806eab031d170bba17a71df7da04a61eb372154f", kill_on_drop: false }`
[INFO] [stdout] a479a1bbba6af6dac78faf63806eab031d170bba17a71df7da04a61eb372154f