[INFO] cloning repository https://github.com/tengrommel/leetcode_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tengrommel/leetcode_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengrommel%2Fleetcode_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengrommel%2Fleetcode_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8be333921f248b9aded100317ba86237c6659de
[INFO] checking tengrommel/leetcode_in_rust against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengrommel%2Fleetcode_in_rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  90% (1469/1621)
Updating files:  91% (1476/1621)
Updating files:  92% (1492/1621)
Updating files:  93% (1508/1621)
Updating files:  94% (1524/1621)
Updating files:  95% (1540/1621)
Updating files:  96% (1557/1621)
Updating files:  97% (1573/1621)
Updating files:  98% (1589/1621)
Updating files:  99% (1605/1621)
Updating files: 100% (1621/1621)
Updating files: 100% (1621/1621), done.
[INFO] validating manifest of git repo https://github.com/tengrommel/leetcode_in_rust on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tengrommel/leetcode_in_rust
[INFO] finished tweaking git repo https://github.com/tengrommel/leetcode_in_rust
[INFO] tweaked toml for git repo https://github.com/tengrommel/leetcode_in_rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tengrommel/leetcode_in_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0e2db4621cf5810fe9c506bcbde4790f554b33f2708f50c827320027ca3510c
[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" "c0e2db4621cf5810fe9c506bcbde4790f554b33f2708f50c827320027ca3510c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0e2db4621cf5810fe9c506bcbde4790f554b33f2708f50c827320027ca3510c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e2db4621cf5810fe9c506bcbde4790f554b33f2708f50c827320027ca3510c", kill_on_drop: false }`
[INFO] [stdout] c0e2db4621cf5810fe9c506bcbde4790f554b33f2708f50c827320027ca3510c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] 750017b963117c2a9d011e6a8cbd1fcf2d6a6156dec8b1be5144b031a8d53aa6
[INFO] running `Command { std: "docker" "start" "-a" "750017b963117c2a9d011e6a8cbd1fcf2d6a6156dec8b1be5144b031a8d53aa6", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "750017b963117c2a9d011e6a8cbd1fcf2d6a6156dec8b1be5144b031a8d53aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750017b963117c2a9d011e6a8cbd1fcf2d6a6156dec8b1be5144b031a8d53aa6", kill_on_drop: false }`
[INFO] [stdout] 750017b963117c2a9d011e6a8cbd1fcf2d6a6156dec8b1be5144b031a8d53aa6