[INFO] cloning repository https://github.com/AriHenrique/rustlings_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AriHenrique/rustlings_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAriHenrique%2Frustlings_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAriHenrique%2Frustlings_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 789c62af956f7550c8db1e77ac87624f5ba3bc86
[INFO] checking AriHenrique/rustlings_exercises/789c62af956f7550c8db1e77ac87624f5ba3bc86 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAriHenrique%2Frustlings_exercises" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AriHenrique/rustlings_exercises on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AriHenrique/rustlings_exercises
[INFO] finished tweaking git repo https://github.com/AriHenrique/rustlings_exercises
[INFO] tweaked toml for git repo https://github.com/AriHenrique/rustlings_exercises written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AriHenrique/rustlings_exercises 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08b1d2f8e44fffa52bce2f9c51a774778de4e4627a991d6af0b42ef9facd45f1
[INFO] running `Command { std: "docker" "start" "-a" "08b1d2f8e44fffa52bce2f9c51a774778de4e4627a991d6af0b42ef9facd45f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08b1d2f8e44fffa52bce2f9c51a774778de4e4627a991d6af0b42ef9facd45f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b1d2f8e44fffa52bce2f9c51a774778de4e4627a991d6af0b42ef9facd45f1", kill_on_drop: false }`
[INFO] [stdout] 08b1d2f8e44fffa52bce2f9c51a774778de4e4627a991d6af0b42ef9facd45f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98ab7da2ae0308781f419c629a39147c691005e0fd849d53897593c1451336af
[INFO] running `Command { std: "docker" "start" "-a" "98ab7da2ae0308781f419c629a39147c691005e0fd849d53897593c1451336af", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking rustlings v5.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "98ab7da2ae0308781f419c629a39147c691005e0fd849d53897593c1451336af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98ab7da2ae0308781f419c629a39147c691005e0fd849d53897593c1451336af", kill_on_drop: false }`
[INFO] [stdout] 98ab7da2ae0308781f419c629a39147c691005e0fd849d53897593c1451336af