[INFO] cloning repository https://github.com/codurance-apprenticeship/fizz-buzz-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codurance-apprenticeship/fizz-buzz-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodurance-apprenticeship%2Ffizz-buzz-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodurance-apprenticeship%2Ffizz-buzz-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cc7f9963e0b4c5e4e0720c578ea090fefc0a077
[INFO] checking codurance-apprenticeship/fizz-buzz-rust against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodurance-apprenticeship%2Ffizz-buzz-rust" "/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/codurance-apprenticeship/fizz-buzz-rust on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust
[INFO] finished tweaking git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust
[INFO] tweaked toml for git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/codurance-apprenticeship/fizz-buzz-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff7f7cd9a2b7b55ef78b573d3dba638fe920c204ba32f0f28494290baa329539
[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" "ff7f7cd9a2b7b55ef78b573d3dba638fe920c204ba32f0f28494290baa329539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff7f7cd9a2b7b55ef78b573d3dba638fe920c204ba32f0f28494290baa329539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7f7cd9a2b7b55ef78b573d3dba638fe920c204ba32f0f28494290baa329539", kill_on_drop: false }`
[INFO] [stdout] ff7f7cd9a2b7b55ef78b573d3dba638fe920c204ba32f0f28494290baa329539
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34db04004e0041e465eeb29bcb88203953dc40081f6719125a5572e40f229559
[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" "34db04004e0041e465eeb29bcb88203953dc40081f6719125a5572e40f229559", kill_on_drop: false }`
[INFO] [stderr]     Checking fizz-buzz-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "34db04004e0041e465eeb29bcb88203953dc40081f6719125a5572e40f229559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34db04004e0041e465eeb29bcb88203953dc40081f6719125a5572e40f229559", kill_on_drop: false }`
[INFO] [stdout] 34db04004e0041e465eeb29bcb88203953dc40081f6719125a5572e40f229559