[INFO] cloning repository https://github.com/zeapo/avent-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zeapo/avent-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeapo%2Favent-2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeapo%2Favent-2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af235c82a141996b0e86c3a40e2a87d44517f5c5
[INFO] checking zeapo/avent-2019 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeapo%2Favent-2019" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zeapo/avent-2019 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zeapo/avent-2019
[INFO] finished tweaking git repo https://github.com/zeapo/avent-2019
[INFO] tweaked toml for git repo https://github.com/zeapo/avent-2019 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zeapo/avent-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", 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] f490abafdc58d2b9f5d051c6e9731ded4a1a150afa2be16641d3cde4d8d0eb28
[INFO] running `Command { std: "docker" "start" "-a" "f490abafdc58d2b9f5d051c6e9731ded4a1a150afa2be16641d3cde4d8d0eb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f490abafdc58d2b9f5d051c6e9731ded4a1a150afa2be16641d3cde4d8d0eb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f490abafdc58d2b9f5d051c6e9731ded4a1a150afa2be16641d3cde4d8d0eb28", kill_on_drop: false }`
[INFO] [stdout] f490abafdc58d2b9f5d051c6e9731ded4a1a150afa2be16641d3cde4d8d0eb28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d53e93ead446867ff0b3b27b01a5d1a0fd129f534d9eb8ca0cd2baf01fe9aa42
[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" "d53e93ead446867ff0b3b27b01a5d1a0fd129f534d9eb8ca0cd2baf01fe9aa42", kill_on_drop: false }`
[INFO] [stderr]     Checking avent_2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "d53e93ead446867ff0b3b27b01a5d1a0fd129f534d9eb8ca0cd2baf01fe9aa42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53e93ead446867ff0b3b27b01a5d1a0fd129f534d9eb8ca0cd2baf01fe9aa42", kill_on_drop: false }`
[INFO] [stdout] d53e93ead446867ff0b3b27b01a5d1a0fd129f534d9eb8ca0cd2baf01fe9aa42