[INFO] fetching crate bk 0.5.3...
[INFO] testing bk-0.5.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate bk 0.5.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bk 0.5.3 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 bk 0.5.3
[INFO] finished tweaking crates.io crate bk 0.5.3
[INFO] tweaked toml for crates.io crate bk 0.5.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate bk 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded roxmltree v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c4982fc83f1d7ddeb9c585dfc5a384a358beb9301e7edde30d121caaafc74a51
[INFO] running `Command { std: "docker" "start" "-a" "c4982fc83f1d7ddeb9c585dfc5a384a358beb9301e7edde30d121caaafc74a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4982fc83f1d7ddeb9c585dfc5a384a358beb9301e7edde30d121caaafc74a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4982fc83f1d7ddeb9c585dfc5a384a358beb9301e7edde30d121caaafc74a51", kill_on_drop: false }`
[INFO] [stdout] c4982fc83f1d7ddeb9c585dfc5a384a358beb9301e7edde30d121caaafc74a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 86d3155aaa11ba9e1fba730347072b3e2f45c9cb8a3c3e6d0787d65ebc0944cc
[INFO] running `Command { std: "docker" "start" "-a" "86d3155aaa11ba9e1fba730347072b3e2f45c9cb8a3c3e6d0787d65ebc0944cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling roxmltree v0.14.0
[INFO] [stderr]    Compiling crossterm v0.19.0
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling argh v0.1.4
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling zip v0.5.11
[INFO] [stderr]    Compiling ron v0.6.4
[INFO] [stderr]    Compiling bk v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.58s
[INFO] running `Command { std: "docker" "inspect" "86d3155aaa11ba9e1fba730347072b3e2f45c9cb8a3c3e6d0787d65ebc0944cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d3155aaa11ba9e1fba730347072b3e2f45c9cb8a3c3e6d0787d65ebc0944cc", kill_on_drop: false }`
[INFO] [stdout] 86d3155aaa11ba9e1fba730347072b3e2f45c9cb8a3c3e6d0787d65ebc0944cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 27db13aef75f5341bf058ae12a976151b57ae6afb93703700f722297abd57cc4
[INFO] running `Command { std: "docker" "start" "-a" "27db13aef75f5341bf058ae12a976151b57ae6afb93703700f722297abd57cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bk v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "27db13aef75f5341bf058ae12a976151b57ae6afb93703700f722297abd57cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27db13aef75f5341bf058ae12a976151b57ae6afb93703700f722297abd57cc4", kill_on_drop: false }`
[INFO] [stdout] 27db13aef75f5341bf058ae12a976151b57ae6afb93703700f722297abd57cc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 84ac7d0ba298536b5faf8ee46edc5bd943db60cea2623c26f57b112568a249be
[INFO] running `Command { std: "docker" "start" "-a" "84ac7d0ba298536b5faf8ee46edc5bd943db60cea2623c26f57b112568a249be", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bk-86b9703b24c5bf8a)
[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" "84ac7d0ba298536b5faf8ee46edc5bd943db60cea2623c26f57b112568a249be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ac7d0ba298536b5faf8ee46edc5bd943db60cea2623c26f57b112568a249be", kill_on_drop: false }`
[INFO] [stdout] 84ac7d0ba298536b5faf8ee46edc5bd943db60cea2623c26f57b112568a249be