[INFO] cloning repository https://github.com/mexus/cancellable-read
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mexus/cancellable-read" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fcancellable-read", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fcancellable-read'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62743a48d5b3fa161fc753481fb27d0d78b14aaf
[INFO] testing mexus/cancellable-read against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmexus%2Fcancellable-read" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mexus/cancellable-read on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mexus/cancellable-read
[INFO] finished tweaking git repo https://github.com/mexus/cancellable-read
[INFO] tweaked toml for git repo https://github.com/mexus/cancellable-read written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mexus/cancellable-read already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-io v0.1.5
[INFO] [stderr]   Downloaded mio-uds v0.6.4
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded mio v0.6.13
[INFO] [stderr]   Downloaded tokio-signal v0.1.4
[INFO] [stderr]   Downloaded tokio-stdin-stdout v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.37
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 543a9b1d963b017de098e9595ccf40febac7ff1aae6c8c08b509e0ffacb3505b
[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" "543a9b1d963b017de098e9595ccf40febac7ff1aae6c8c08b509e0ffacb3505b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "543a9b1d963b017de098e9595ccf40febac7ff1aae6c8c08b509e0ffacb3505b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543a9b1d963b017de098e9595ccf40febac7ff1aae6c8c08b509e0ffacb3505b", kill_on_drop: false }`
[INFO] [stdout] 543a9b1d963b017de098e9595ccf40febac7ff1aae6c8c08b509e0ffacb3505b
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ed4f1c39dcb93ce66dbab834738e7890f12b189626cb8312b9c198fee3f8fe7
[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" "4ed4f1c39dcb93ce66dbab834738e7890f12b189626cb8312b9c198fee3f8fe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling tokio-io v0.1.5
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling tokio-stdin-stdout v0.1.1
[INFO] [stderr]    Compiling tokio-signal v0.1.4
[INFO] [stderr]    Compiling async-stdio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.30s
[INFO] running `Command { std: "docker" "inspect" "4ed4f1c39dcb93ce66dbab834738e7890f12b189626cb8312b9c198fee3f8fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ed4f1c39dcb93ce66dbab834738e7890f12b189626cb8312b9c198fee3f8fe7", kill_on_drop: false }`
[INFO] [stdout] 4ed4f1c39dcb93ce66dbab834738e7890f12b189626cb8312b9c198fee3f8fe7
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] e5c28f46b4daf0cf16a5eba1ac87bd682130021e5e695adc8b92b3b2be8d0d16
[INFO] running `Command { std: "docker" "start" "-a" "e5c28f46b4daf0cf16a5eba1ac87bd682130021e5e695adc8b92b3b2be8d0d16", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-stdio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "e5c28f46b4daf0cf16a5eba1ac87bd682130021e5e695adc8b92b3b2be8d0d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c28f46b4daf0cf16a5eba1ac87bd682130021e5e695adc8b92b3b2be8d0d16", kill_on_drop: false }`
[INFO] [stdout] e5c28f46b4daf0cf16a5eba1ac87bd682130021e5e695adc8b92b3b2be8d0d16
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 034815c6356e22b860898d2537c0af6ea47feba462c0995e3dd2a8f00e074699
[INFO] running `Command { std: "docker" "start" "-a" "034815c6356e22b860898d2537c0af6ea47feba462c0995e3dd2a8f00e074699", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_stdio-e08590d866597ca7
[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" "034815c6356e22b860898d2537c0af6ea47feba462c0995e3dd2a8f00e074699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034815c6356e22b860898d2537c0af6ea47feba462c0995e3dd2a8f00e074699", kill_on_drop: false }`
[INFO] [stdout] 034815c6356e22b860898d2537c0af6ea47feba462c0995e3dd2a8f00e074699