[INFO] fetching crate sifter 0.1.0...
[INFO] testing sifter-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate sifter 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sifter 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sifter 0.1.0
[INFO] finished tweaking crates.io crate sifter 0.1.0
[INFO] tweaked toml for crates.io crate sifter 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 336ade2193378d1d19aa7bf075000529801acd4d7ab78cd50a6cefa66029b526
[INFO] running `Command { std: "docker" "start" "-a" "336ade2193378d1d19aa7bf075000529801acd4d7ab78cd50a6cefa66029b526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "336ade2193378d1d19aa7bf075000529801acd4d7ab78cd50a6cefa66029b526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336ade2193378d1d19aa7bf075000529801acd4d7ab78cd50a6cefa66029b526", kill_on_drop: false }`
[INFO] [stdout] 336ade2193378d1d19aa7bf075000529801acd4d7ab78cd50a6cefa66029b526
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da7ca4e5149ed27f563b753adf280f564bface5a9d10ac54d56222c0053f80aa
[INFO] running `Command { std: "docker" "start" "-a" "da7ca4e5149ed27f563b753adf280f564bface5a9d10ac54d56222c0053f80aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling sifter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "da7ca4e5149ed27f563b753adf280f564bface5a9d10ac54d56222c0053f80aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7ca4e5149ed27f563b753adf280f564bface5a9d10ac54d56222c0053f80aa", kill_on_drop: false }`
[INFO] [stdout] da7ca4e5149ed27f563b753adf280f564bface5a9d10ac54d56222c0053f80aa
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54d19aa579a756fb1ef5f726d84b1fad9c539bbec39123e52ea9e28fcf8c4b4c
[INFO] running `Command { std: "docker" "start" "-a" "54d19aa579a756fb1ef5f726d84b1fad9c539bbec39123e52ea9e28fcf8c4b4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling sifter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "54d19aa579a756fb1ef5f726d84b1fad9c539bbec39123e52ea9e28fcf8c4b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d19aa579a756fb1ef5f726d84b1fad9c539bbec39123e52ea9e28fcf8c4b4c", kill_on_drop: false }`
[INFO] [stdout] 54d19aa579a756fb1ef5f726d84b1fad9c539bbec39123e52ea9e28fcf8c4b4c
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63c760f4534117993522fcaacd0e5e84a2c54f04df4a22adee0d7d527347da0d
[INFO] running `Command { std: "docker" "start" "-a" "63c760f4534117993522fcaacd0e5e84a2c54f04df4a22adee0d7d527347da0d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sifter-4e248748606df7ff)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sifter
[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 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" "63c760f4534117993522fcaacd0e5e84a2c54f04df4a22adee0d7d527347da0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c760f4534117993522fcaacd0e5e84a2c54f04df4a22adee0d7d527347da0d", kill_on_drop: false }`
[INFO] [stdout] 63c760f4534117993522fcaacd0e5e84a2c54f04df4a22adee0d7d527347da0d