[INFO] fetching crate pylib 0.3.0...
[INFO] testing pylib-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pylib 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pylib 0.3.0 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 pylib 0.3.0
[INFO] finished tweaking crates.io crate pylib 0.3.0
[INFO] tweaked toml for crates.io crate pylib 0.3.0 written to /workspace/builds/worker-4/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-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" "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] [stdout] 70930a95cf4af892a2b07f80bedd18a08543e77481d932d0a59ce82b62ea1b6c
[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" "70930a95cf4af892a2b07f80bedd18a08543e77481d932d0a59ce82b62ea1b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70930a95cf4af892a2b07f80bedd18a08543e77481d932d0a59ce82b62ea1b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70930a95cf4af892a2b07f80bedd18a08543e77481d932d0a59ce82b62ea1b6c", kill_on_drop: false }`
[INFO] [stdout] 70930a95cf4af892a2b07f80bedd18a08543e77481d932d0a59ce82b62ea1b6c
[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" "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] b86e9265bf20fed0816bf80e14e537f13dd1282bd81c2c25dd43cccd0bb82dc5
[INFO] running `Command { std: "docker" "start" "-a" "b86e9265bf20fed0816bf80e14e537f13dd1282bd81c2c25dd43cccd0bb82dc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pylib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "b86e9265bf20fed0816bf80e14e537f13dd1282bd81c2c25dd43cccd0bb82dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86e9265bf20fed0816bf80e14e537f13dd1282bd81c2c25dd43cccd0bb82dc5", kill_on_drop: false }`
[INFO] [stdout] b86e9265bf20fed0816bf80e14e537f13dd1282bd81c2c25dd43cccd0bb82dc5
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5cdd404a6da8d7eecd11ca01c7df867730ee85389dc4638e525a7b9a533aa5f7
[INFO] running `Command { std: "docker" "start" "-a" "5cdd404a6da8d7eecd11ca01c7df867730ee85389dc4638e525a7b9a533aa5f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling pylib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "5cdd404a6da8d7eecd11ca01c7df867730ee85389dc4638e525a7b9a533aa5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cdd404a6da8d7eecd11ca01c7df867730ee85389dc4638e525a7b9a533aa5f7", kill_on_drop: false }`
[INFO] [stdout] 5cdd404a6da8d7eecd11ca01c7df867730ee85389dc4638e525a7b9a533aa5f7
[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" "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] 0e245d57de97f1bfa1613fe4345e288192d9426ee366e1d94c74bba9c4a1bcb4
[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" "0e245d57de97f1bfa1613fe4345e288192d9426ee366e1d94c74bba9c4a1bcb4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pylib-7a4d5c34760c74f3)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_pylib.rs (/opt/rustwide/target/debug/deps/test_pylib-0ca1f23c941b8e45)
[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 5 tests
[INFO] [stdout] test tests::test_read_stdin ... ignored
[INFO] [stdout] test tests::test_random ... ok
[INFO] [stdout] test tests::test_time ... ok
[INFO] [stdout] test tests::test_read_write_bytes ... ok
[INFO] [stderr]    Doc-tests pylib
[INFO] [stdout] test tests::test_tmp_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "0e245d57de97f1bfa1613fe4345e288192d9426ee366e1d94c74bba9c4a1bcb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e245d57de97f1bfa1613fe4345e288192d9426ee366e1d94c74bba9c4a1bcb4", kill_on_drop: false }`
[INFO] [stdout] 0e245d57de97f1bfa1613fe4345e288192d9426ee366e1d94c74bba9c4a1bcb4