[INFO] cloning repository https://github.com/transitorykris/kasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/transitorykris/kasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftransitorykris%2Fkasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftransitorykris%2Fkasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f0d590da1584566e1ea8186922b771428e28bba
[INFO] checking transitorykris/kasm against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftransitorykris%2Fkasm" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/transitorykris/kasm on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/transitorykris/kasm
[INFO] finished tweaking git repo https://github.com/transitorykris/kasm
[INFO] tweaked toml for git repo https://github.com/transitorykris/kasm written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/transitorykris/kasm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dd6a4f536baa5c22cbf0a45dc71e62f7ddd9deee3430c4ba93c09694f7b1914
[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" "1dd6a4f536baa5c22cbf0a45dc71e62f7ddd9deee3430c4ba93c09694f7b1914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dd6a4f536baa5c22cbf0a45dc71e62f7ddd9deee3430c4ba93c09694f7b1914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd6a4f536baa5c22cbf0a45dc71e62f7ddd9deee3430c4ba93c09694f7b1914", kill_on_drop: false }`
[INFO] [stdout] 1dd6a4f536baa5c22cbf0a45dc71e62f7ddd9deee3430c4ba93c09694f7b1914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69bf4a4a93ca63b7930f1ae7c75c66363a20ca156ac1cf087d0d8b50829076eb
[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" "69bf4a4a93ca63b7930f1ae7c75c66363a20ca156ac1cf087d0d8b50829076eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking kasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.36s
[INFO] running `Command { std: "docker" "inspect" "69bf4a4a93ca63b7930f1ae7c75c66363a20ca156ac1cf087d0d8b50829076eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69bf4a4a93ca63b7930f1ae7c75c66363a20ca156ac1cf087d0d8b50829076eb", kill_on_drop: false }`
[INFO] [stdout] 69bf4a4a93ca63b7930f1ae7c75c66363a20ca156ac1cf087d0d8b50829076eb