[INFO] fetching crate bk 0.5.1...
[INFO] testing bk-0.5.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bk 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bk 0.5.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bk 0.5.1
[INFO] finished tweaking crates.io crate bk 0.5.1
[INFO] tweaked toml for crates.io crate bk 0.5.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate bk 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f35706c2bc761d2d03a8740033c69d74704520f86c399f7cce525b210cde69af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f35706c2bc761d2d03a8740033c69d74704520f86c399f7cce525b210cde69af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f35706c2bc761d2d03a8740033c69d74704520f86c399f7cce525b210cde69af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35706c2bc761d2d03a8740033c69d74704520f86c399f7cce525b210cde69af", kill_on_drop: false }`
[INFO] [stdout] f35706c2bc761d2d03a8740033c69d74704520f86c399f7cce525b210cde69af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 799f12b3c17c83aaa73bed47eb1d72debec0bd5b7e7c8e40c85ed8c397b0a42a
[INFO] running `Command { std: "docker" "start" "-a" "799f12b3c17c83aaa73bed47eb1d72debec0bd5b7e7c8e40c85ed8c397b0a42a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling smallvec v1.5.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling roxmltree v0.13.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling crossterm v0.18.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling argh v0.1.4
[INFO] [stderr]    Compiling zip v0.5.8
[INFO] [stderr]    Compiling ron v0.6.2
[INFO] [stderr]    Compiling bk v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.63s
[INFO] running `Command { std: "docker" "inspect" "799f12b3c17c83aaa73bed47eb1d72debec0bd5b7e7c8e40c85ed8c397b0a42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "799f12b3c17c83aaa73bed47eb1d72debec0bd5b7e7c8e40c85ed8c397b0a42a", kill_on_drop: false }`
[INFO] [stdout] 799f12b3c17c83aaa73bed47eb1d72debec0bd5b7e7c8e40c85ed8c397b0a42a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d9281b710d19f0f1ceaa0782eb7aebcc96d482dfa0c44403dfcd7f1520cf40e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d9281b710d19f0f1ceaa0782eb7aebcc96d482dfa0c44403dfcd7f1520cf40e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bk v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "7d9281b710d19f0f1ceaa0782eb7aebcc96d482dfa0c44403dfcd7f1520cf40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9281b710d19f0f1ceaa0782eb7aebcc96d482dfa0c44403dfcd7f1520cf40e", kill_on_drop: false }`
[INFO] [stdout] 7d9281b710d19f0f1ceaa0782eb7aebcc96d482dfa0c44403dfcd7f1520cf40e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 595089cebb00e806548e8f7d1ac214f82d0e9ae83c469b38618fa07bfeec21ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "595089cebb00e806548e8f7d1ac214f82d0e9ae83c469b38618fa07bfeec21ca", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bk-558e36ad3fd8451c
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "595089cebb00e806548e8f7d1ac214f82d0e9ae83c469b38618fa07bfeec21ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595089cebb00e806548e8f7d1ac214f82d0e9ae83c469b38618fa07bfeec21ca", kill_on_drop: false }`
[INFO] [stdout] 595089cebb00e806548e8f7d1ac214f82d0e9ae83c469b38618fa07bfeec21ca