[INFO] fetching crate ito-canvas 0.1.1...
[INFO] testing ito-canvas-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ito-canvas 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ito-canvas 0.1.1 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 ito-canvas 0.1.1
[INFO] finished tweaking crates.io crate ito-canvas 0.1.1
[INFO] tweaked toml for crates.io crate ito-canvas 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ito-canvas 0.1.1 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] 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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b894d79febbc374a920d3b113e88b8548adb608e88802a9655898e2acbb74334
[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" "b894d79febbc374a920d3b113e88b8548adb608e88802a9655898e2acbb74334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b894d79febbc374a920d3b113e88b8548adb608e88802a9655898e2acbb74334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b894d79febbc374a920d3b113e88b8548adb608e88802a9655898e2acbb74334", kill_on_drop: false }`
[INFO] [stdout] b894d79febbc374a920d3b113e88b8548adb608e88802a9655898e2acbb74334
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 7df80d44d7e44cda20336ad2acf6a8d47e497f0a80995e95946a1be9efb6684d
[INFO] running `Command { std: "docker" "start" "-a" "7df80d44d7e44cda20336ad2acf6a8d47e497f0a80995e95946a1be9efb6684d", kill_on_drop: false }`
[INFO] [stderr]    Compiling dot-canvas v0.1.1
[INFO] [stderr]    Compiling unicode-canvas v0.1.0
[INFO] [stderr]    Compiling ito-canvas v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "7df80d44d7e44cda20336ad2acf6a8d47e497f0a80995e95946a1be9efb6684d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df80d44d7e44cda20336ad2acf6a8d47e497f0a80995e95946a1be9efb6684d", kill_on_drop: false }`
[INFO] [stdout] 7df80d44d7e44cda20336ad2acf6a8d47e497f0a80995e95946a1be9efb6684d
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 433f3708c5ec94ebb1bc0d30f19ee014ecbc60a0729288495e14337fcd9ad062
[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" "433f3708c5ec94ebb1bc0d30f19ee014ecbc60a0729288495e14337fcd9ad062", kill_on_drop: false }`
[INFO] [stderr]    Compiling ito-canvas v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "433f3708c5ec94ebb1bc0d30f19ee014ecbc60a0729288495e14337fcd9ad062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "433f3708c5ec94ebb1bc0d30f19ee014ecbc60a0729288495e14337fcd9ad062", kill_on_drop: false }`
[INFO] [stdout] 433f3708c5ec94ebb1bc0d30f19ee014ecbc60a0729288495e14337fcd9ad062
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] b7f1ae2b2ee6aeba473dae27fd8729a96c740d1445592ff3f28642b7cc4e7b96
[INFO] running `Command { std: "docker" "start" "-a" "b7f1ae2b2ee6aeba473dae27fd8729a96c740d1445592ff3f28642b7cc4e7b96", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ito_canvas-b5ca47094268732b
[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] [stderr]    Doc-tests ito-canvas
[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" "b7f1ae2b2ee6aeba473dae27fd8729a96c740d1445592ff3f28642b7cc4e7b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f1ae2b2ee6aeba473dae27fd8729a96c740d1445592ff3f28642b7cc4e7b96", kill_on_drop: false }`
[INFO] [stdout] b7f1ae2b2ee6aeba473dae27fd8729a96c740d1445592ff3f28642b7cc4e7b96