[INFO] cloning repository https://github.com/vvrably/playground-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vvrably/playground-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvvrably%2Fplayground-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvvrably%2Fplayground-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 81bd36765292351ef34045fbf5e35b0ef6d97cd3 [INFO] checking vvrably/playground-rs against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvvrably%2Fplayground-rs" "/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/vvrably/playground-rs on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/vvrably/playground-rs [INFO] finished tweaking git repo https://github.com/vvrably/playground-rs [INFO] tweaked toml for git repo https://github.com/vvrably/playground-rs written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/vvrably/playground-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d6846c5de4555fd011a995445407f60a5c31dc03ba9ba4d4777aa0c98ec65bc [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" "1d6846c5de4555fd011a995445407f60a5c31dc03ba9ba4d4777aa0c98ec65bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d6846c5de4555fd011a995445407f60a5c31dc03ba9ba4d4777aa0c98ec65bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d6846c5de4555fd011a995445407f60a5c31dc03ba9ba4d4777aa0c98ec65bc", kill_on_drop: false }` [INFO] [stdout] 1d6846c5de4555fd011a995445407f60a5c31dc03ba9ba4d4777aa0c98ec65bc [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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c23dacfdc8461157b5f2f4e2be7ba51324ccbbd2f20e317faad1567262a242e [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" "0c23dacfdc8461157b5f2f4e2be7ba51324ccbbd2f20e317faad1567262a242e", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking playground-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.20s [INFO] running `Command { std: "docker" "inspect" "0c23dacfdc8461157b5f2f4e2be7ba51324ccbbd2f20e317faad1567262a242e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c23dacfdc8461157b5f2f4e2be7ba51324ccbbd2f20e317faad1567262a242e", kill_on_drop: false }` [INFO] [stdout] 0c23dacfdc8461157b5f2f4e2be7ba51324ccbbd2f20e317faad1567262a242e