[INFO] cloning repository https://github.com/0xBitzz/rust_concatenate_strings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xBitzz/rust_concatenate_strings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xBitzz%2Frust_concatenate_strings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xBitzz%2Frust_concatenate_strings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ae3678168d3225a2ac7e80706ad6cd9061102d7
[INFO] checking 0xBitzz/rust_concatenate_strings against master#0028f344ce9f64766259577c998a1959ca1f6a0b for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xBitzz%2Frust_concatenate_strings" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xBitzz/rust_concatenate_strings
[INFO] finished tweaking git repo https://github.com/0xBitzz/rust_concatenate_strings
[INFO] tweaked toml for git repo https://github.com/0xBitzz/rust_concatenate_strings written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xBitzz/rust_concatenate_strings on toolchain 0028f344ce9f64766259577c998a1959ca1f6a0b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xBitzz/rust_concatenate_strings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cb4d1ff18b3678ef6a76cf156146d32755ef427c31523290eefa5a09efdf90b
[INFO] running `Command { std: "docker" "start" "-a" "9cb4d1ff18b3678ef6a76cf156146d32755ef427c31523290eefa5a09efdf90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cb4d1ff18b3678ef6a76cf156146d32755ef427c31523290eefa5a09efdf90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb4d1ff18b3678ef6a76cf156146d32755ef427c31523290eefa5a09efdf90b", kill_on_drop: false }`
[INFO] [stdout] 9cb4d1ff18b3678ef6a76cf156146d32755ef427c31523290eefa5a09efdf90b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0028f344ce9f64766259577c998a1959ca1f6a0b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 735441c772c97225d5595f7f7382ad481ba774f849ffe198a89660725662ac2f
[INFO] running `Command { std: "docker" "start" "-a" "735441c772c97225d5595f7f7382ad481ba774f849ffe198a89660725662ac2f", kill_on_drop: false }`
[INFO] [stderr]     Checking ownership_ref_borrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "735441c772c97225d5595f7f7382ad481ba774f849ffe198a89660725662ac2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735441c772c97225d5595f7f7382ad481ba774f849ffe198a89660725662ac2f", kill_on_drop: false }`
[INFO] [stdout] 735441c772c97225d5595f7f7382ad481ba774f849ffe198a89660725662ac2f
