[INFO] cloning repository https://github.com/tkeiyama/letme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tkeiyama/letme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkeiyama%2Fletme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkeiyama%2Fletme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5639ff575c5814f7169655b83b48b1f2ed97599
[INFO] checking tkeiyama/letme against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkeiyama%2Fletme" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tkeiyama/letme on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tkeiyama/letme
[INFO] finished tweaking git repo https://github.com/tkeiyama/letme
[INFO] tweaked toml for git repo https://github.com/tkeiyama/letme written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tkeiyama/letme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 390d0fd2d16eac614b53b9dcf91f1fed202f535e39cb99fa20b5007bfdf00454
[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" "390d0fd2d16eac614b53b9dcf91f1fed202f535e39cb99fa20b5007bfdf00454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "390d0fd2d16eac614b53b9dcf91f1fed202f535e39cb99fa20b5007bfdf00454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390d0fd2d16eac614b53b9dcf91f1fed202f535e39cb99fa20b5007bfdf00454", kill_on_drop: false }`
[INFO] [stdout] 390d0fd2d16eac614b53b9dcf91f1fed202f535e39cb99fa20b5007bfdf00454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] 23d40f995c76c21215c23143a413ad69a0afa73a60c7b6f614055f9bd9d0b7bb
[INFO] running `Command { std: "docker" "start" "-a" "23d40f995c76c21215c23143a413ad69a0afa73a60c7b6f614055f9bd9d0b7bb", kill_on_drop: false }`
[INFO] [stderr]     Checking letme v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "23d40f995c76c21215c23143a413ad69a0afa73a60c7b6f614055f9bd9d0b7bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d40f995c76c21215c23143a413ad69a0afa73a60c7b6f614055f9bd9d0b7bb", kill_on_drop: false }`
[INFO] [stdout] 23d40f995c76c21215c23143a413ad69a0afa73a60c7b6f614055f9bd9d0b7bb