[INFO] fetching crate knitting_chart 0.2.0...
[INFO] testing knitting_chart-0.2.0 against 1.52.1 for beta-1.52-2
[INFO] extracting crate knitting_chart 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate knitting_chart 0.2.0 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate knitting_chart 0.2.0
[INFO] finished tweaking crates.io crate knitting_chart 0.2.0
[INFO] tweaked toml for crates.io crate knitting_chart 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate knitting_chart 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0fdf818f5ac9eb5819009ee9c63a17b6ee55b8a9ad6c0c60b1da1641068fbb3
[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" "f0fdf818f5ac9eb5819009ee9c63a17b6ee55b8a9ad6c0c60b1da1641068fbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0fdf818f5ac9eb5819009ee9c63a17b6ee55b8a9ad6c0c60b1da1641068fbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0fdf818f5ac9eb5819009ee9c63a17b6ee55b8a9ad6c0c60b1da1641068fbb3", kill_on_drop: false }`
[INFO] [stdout] f0fdf818f5ac9eb5819009ee9c63a17b6ee55b8a9ad6c0c60b1da1641068fbb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] bd05ae43f76de7cca65725d6d015763b8a38dadfc2e2b3f8b40eba4a2b0ee23e
[INFO] running `Command { std: "docker" "start" "-a" "bd05ae43f76de7cca65725d6d015763b8a38dadfc2e2b3f8b40eba4a2b0ee23e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling adler32 v1.1.0
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling knitting_parse v0.3.0
[INFO] [stderr]    Compiling knitting_chart v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.71s
[INFO] running `Command { std: "docker" "inspect" "bd05ae43f76de7cca65725d6d015763b8a38dadfc2e2b3f8b40eba4a2b0ee23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd05ae43f76de7cca65725d6d015763b8a38dadfc2e2b3f8b40eba4a2b0ee23e", kill_on_drop: false }`
[INFO] [stdout] bd05ae43f76de7cca65725d6d015763b8a38dadfc2e2b3f8b40eba4a2b0ee23e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ae27b1419643243cbd1fe3f68b6390ca5d1d421f1d6aa1b1d7290f06c0ece1
[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" "84ae27b1419643243cbd1fe3f68b6390ca5d1d421f1d6aa1b1d7290f06c0ece1", kill_on_drop: false }`
[INFO] [stderr]    Compiling knitting_chart v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "84ae27b1419643243cbd1fe3f68b6390ca5d1d421f1d6aa1b1d7290f06c0ece1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ae27b1419643243cbd1fe3f68b6390ca5d1d421f1d6aa1b1d7290f06c0ece1", kill_on_drop: false }`
[INFO] [stdout] 84ae27b1419643243cbd1fe3f68b6390ca5d1d421f1d6aa1b1d7290f06c0ece1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", 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] d47f8cb331a3b73ea267f4933476c1b04d80f64dd34ab518fe10157f8f59c42b
[INFO] running `Command { std: "docker" "start" "-a" "d47f8cb331a3b73ea267f4933476c1b04d80f64dd34ab518fe10157f8f59c42b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/knitting_chart-18b0a1a15b2fd7fc)
[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" "d47f8cb331a3b73ea267f4933476c1b04d80f64dd34ab518fe10157f8f59c42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47f8cb331a3b73ea267f4933476c1b04d80f64dd34ab518fe10157f8f59c42b", kill_on_drop: false }`
[INFO] [stdout] d47f8cb331a3b73ea267f4933476c1b04d80f64dd34ab518fe10157f8f59c42b