[INFO] fetching crate sifter 0.1.0...
[INFO] testing sifter-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sifter 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate sifter 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 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-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 76f4d64ce4f588ffc6c032fe6b9c55af2fff7e0af5177dc2d276939ba971fae7
[INFO] running `Command { std: "docker" "start" "-a" "76f4d64ce4f588ffc6c032fe6b9c55af2fff7e0af5177dc2d276939ba971fae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76f4d64ce4f588ffc6c032fe6b9c55af2fff7e0af5177dc2d276939ba971fae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f4d64ce4f588ffc6c032fe6b9c55af2fff7e0af5177dc2d276939ba971fae7", kill_on_drop: false }`
[INFO] [stdout] 76f4d64ce4f588ffc6c032fe6b9c55af2fff7e0af5177dc2d276939ba971fae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 724bf3425c4d51fa2730a2b53cb03c8a5df6a4c3cb9a072ae037089a88c0d04e
[INFO] running `Command { std: "docker" "start" "-a" "724bf3425c4d51fa2730a2b53cb03c8a5df6a4c3cb9a072ae037089a88c0d04e", kill_on_drop: false }`
[INFO] [stderr]    Compiling sifter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "724bf3425c4d51fa2730a2b53cb03c8a5df6a4c3cb9a072ae037089a88c0d04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724bf3425c4d51fa2730a2b53cb03c8a5df6a4c3cb9a072ae037089a88c0d04e", kill_on_drop: false }`
[INFO] [stdout] 724bf3425c4d51fa2730a2b53cb03c8a5df6a4c3cb9a072ae037089a88c0d04e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 7d91e73189ba0b67da6bdec2fee0536ad79b00232108b5adf7a8c0912c8a34e0
[INFO] running `Command { std: "docker" "start" "-a" "7d91e73189ba0b67da6bdec2fee0536ad79b00232108b5adf7a8c0912c8a34e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling sifter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "7d91e73189ba0b67da6bdec2fee0536ad79b00232108b5adf7a8c0912c8a34e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d91e73189ba0b67da6bdec2fee0536ad79b00232108b5adf7a8c0912c8a34e0", kill_on_drop: false }`
[INFO] [stdout] 7d91e73189ba0b67da6bdec2fee0536ad79b00232108b5adf7a8c0912c8a34e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 50b30314d54550ef306c0d6702dfcb8bb904283ff008499bb7fa80c0873578f6
[INFO] running `Command { std: "docker" "start" "-a" "50b30314d54550ef306c0d6702dfcb8bb904283ff008499bb7fa80c0873578f6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sifter-779ea80cb4d47e99)
[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 sifter
[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" "50b30314d54550ef306c0d6702dfcb8bb904283ff008499bb7fa80c0873578f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b30314d54550ef306c0d6702dfcb8bb904283ff008499bb7fa80c0873578f6", kill_on_drop: false }`
[INFO] [stdout] 50b30314d54550ef306c0d6702dfcb8bb904283ff008499bb7fa80c0873578f6