[INFO] cloning repository https://github.com/exploding-pear/os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exploding-pear/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexploding-pear%2Fos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexploding-pear%2Fos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bc860b15100394905fa2404cf620f75c5daec0f
[INFO] checking exploding-pear/os against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexploding-pear%2Fos" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exploding-pear/os on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/exploding-pear/os
[INFO] finished tweaking git repo https://github.com/exploding-pear/os
[INFO] tweaked toml for git repo https://github.com/exploding-pear/os written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/exploding-pear/os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30e8d2058ce8d6f372f05235d69fda07ed9d334b46b4efda1b5a5c1692e33c25
[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" "30e8d2058ce8d6f372f05235d69fda07ed9d334b46b4efda1b5a5c1692e33c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30e8d2058ce8d6f372f05235d69fda07ed9d334b46b4efda1b5a5c1692e33c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e8d2058ce8d6f372f05235d69fda07ed9d334b46b4efda1b5a5c1692e33c25", kill_on_drop: false }`
[INFO] [stdout] 30e8d2058ce8d6f372f05235d69fda07ed9d334b46b4efda1b5a5c1692e33c25
[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=forbid" "-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" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--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] b8c9198c5a02ffc01eec90c94d050b268aa7a2ea6096f6f4130060481c8cb2fe
[INFO] running `Command { std: "docker" "start" "-a" "b8c9198c5a02ffc01eec90c94d050b268aa7a2ea6096f6f4130060481c8cb2fe", kill_on_drop: false }`
[INFO] [stderr] error: "/opt/rustwide/rustup-home/toolchains/575650af7d7ca88602df28e39d27bf3e456c306e/lib/rustlib/src/rust/Cargo.lock" does not exist, unable to build with the standard library, try:
[INFO] [stderr]         rustup component add rust-src
[INFO] running `Command { std: "docker" "inspect" "b8c9198c5a02ffc01eec90c94d050b268aa7a2ea6096f6f4130060481c8cb2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c9198c5a02ffc01eec90c94d050b268aa7a2ea6096f6f4130060481c8cb2fe", kill_on_drop: false }`
[INFO] [stdout] b8c9198c5a02ffc01eec90c94d050b268aa7a2ea6096f6f4130060481c8cb2fe