[INFO] cloning repository https://github.com/juhnowski/rust-pattern_matching
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juhnowski/rust-pattern_matching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhnowski%2Frust-pattern_matching", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhnowski%2Frust-pattern_matching'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50e9717701ef1568601020b6cf7d1b8b6a2abd26
[INFO] checking juhnowski/rust-pattern_matching against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhnowski%2Frust-pattern_matching" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juhnowski/rust-pattern_matching on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juhnowski/rust-pattern_matching
[INFO] finished tweaking git repo https://github.com/juhnowski/rust-pattern_matching
[INFO] tweaked toml for git repo https://github.com/juhnowski/rust-pattern_matching written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/juhnowski/rust-pattern_matching already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfb2c1f42ddd6bb55a4500ce8a74a2d502f253a3eafc33c13e57df9db5e58ca7
[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" "bfb2c1f42ddd6bb55a4500ce8a74a2d502f253a3eafc33c13e57df9db5e58ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfb2c1f42ddd6bb55a4500ce8a74a2d502f253a3eafc33c13e57df9db5e58ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb2c1f42ddd6bb55a4500ce8a74a2d502f253a3eafc33c13e57df9db5e58ca7", kill_on_drop: false }`
[INFO] [stdout] bfb2c1f42ddd6bb55a4500ce8a74a2d502f253a3eafc33c13e57df9db5e58ca7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 328c5c74ba128c062cc4e609aa640fd89e95d09a4f9e2a49e4ffc6f1247f4caf
[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" "328c5c74ba128c062cc4e609aa640fd89e95d09a4f9e2a49e4ffc6f1247f4caf", kill_on_drop: false }`
[INFO] [stderr]     Checking patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "328c5c74ba128c062cc4e609aa640fd89e95d09a4f9e2a49e4ffc6f1247f4caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328c5c74ba128c062cc4e609aa640fd89e95d09a4f9e2a49e4ffc6f1247f4caf", kill_on_drop: false }`
[INFO] [stdout] 328c5c74ba128c062cc4e609aa640fd89e95d09a4f9e2a49e4ffc6f1247f4caf