[INFO] fetching crate zwr 0.1.0...
[INFO] testing zwr-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate zwr 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate zwr 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zwr 0.1.0
[INFO] finished tweaking crates.io crate zwr 0.1.0
[INFO] tweaked toml for crates.io crate zwr 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 0bbb40072cbb2111d2c209cf6d94145ab80254b19f7cb3f08f9770f9d1c8195c
[INFO] running `Command { std: "docker" "start" "-a" "0bbb40072cbb2111d2c209cf6d94145ab80254b19f7cb3f08f9770f9d1c8195c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bbb40072cbb2111d2c209cf6d94145ab80254b19f7cb3f08f9770f9d1c8195c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bbb40072cbb2111d2c209cf6d94145ab80254b19f7cb3f08f9770f9d1c8195c", kill_on_drop: false }`
[INFO] [stdout] 0bbb40072cbb2111d2c209cf6d94145ab80254b19f7cb3f08f9770f9d1c8195c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "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] 2cb67db94c2d90b25228e6eeef682d76d7ba8e7394ba62559385f12d8bd5e2fa
[INFO] running `Command { std: "docker" "start" "-a" "2cb67db94c2d90b25228e6eeef682d76d7ba8e7394ba62559385f12d8bd5e2fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling zwr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "2cb67db94c2d90b25228e6eeef682d76d7ba8e7394ba62559385f12d8bd5e2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb67db94c2d90b25228e6eeef682d76d7ba8e7394ba62559385f12d8bd5e2fa", kill_on_drop: false }`
[INFO] [stdout] 2cb67db94c2d90b25228e6eeef682d76d7ba8e7394ba62559385f12d8bd5e2fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eabcaf3251b62d2565d40e7c1c9f11d874cc72fc1ac7de42f10846aa2b6a72f3
[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" "eabcaf3251b62d2565d40e7c1c9f11d874cc72fc1ac7de42f10846aa2b6a72f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling zwr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "eabcaf3251b62d2565d40e7c1c9f11d874cc72fc1ac7de42f10846aa2b6a72f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabcaf3251b62d2565d40e7c1c9f11d874cc72fc1ac7de42f10846aa2b6a72f3", kill_on_drop: false }`
[INFO] [stdout] eabcaf3251b62d2565d40e7c1c9f11d874cc72fc1ac7de42f10846aa2b6a72f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7742ae9365592281e43147b19918e5dd1a1cddc974ddd4ebe334561bb400fe01
[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" "7742ae9365592281e43147b19918e5dd1a1cddc974ddd4ebe334561bb400fe01", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zwr-f0b6b1cf12beed49)
[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" "7742ae9365592281e43147b19918e5dd1a1cddc974ddd4ebe334561bb400fe01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7742ae9365592281e43147b19918e5dd1a1cddc974ddd4ebe334561bb400fe01", kill_on_drop: false }`
[INFO] [stdout] 7742ae9365592281e43147b19918e5dd1a1cddc974ddd4ebe334561bb400fe01