[INFO] cloning repository https://github.com/GeekcampSG/challenge-2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GeekcampSG/challenge-2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeekcampSG%2Fchallenge-2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeekcampSG%2Fchallenge-2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 647f1fa9588d1e64edf8ede8669854b71e0f8a19
[INFO] checking GeekcampSG/challenge-2015 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeekcampSG%2Fchallenge-2015" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GeekcampSG/challenge-2015 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GeekcampSG/challenge-2015
[INFO] finished tweaking git repo https://github.com/GeekcampSG/challenge-2015
[INFO] tweaked toml for git repo https://github.com/GeekcampSG/challenge-2015 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/GeekcampSG/challenge-2015 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.1.10
[INFO] [stderr]   Downloaded winapi v0.2.4
[INFO] [stderr]   Downloaded bufstream v0.1.1
[INFO] [stderr]   Downloaded rand v0.3.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abe82b5701d37088bc19699eda46fcf1311c6f6c6812fc2f429f0c8302167fcb
[INFO] running `Command { std: "docker" "start" "-a" "abe82b5701d37088bc19699eda46fcf1311c6f6c6812fc2f429f0c8302167fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abe82b5701d37088bc19699eda46fcf1311c6f6c6812fc2f429f0c8302167fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe82b5701d37088bc19699eda46fcf1311c6f6c6812fc2f429f0c8302167fcb", kill_on_drop: false }`
[INFO] [stdout] abe82b5701d37088bc19699eda46fcf1311c6f6c6812fc2f429f0c8302167fcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4740da916a65a3447104ddc9e7c84be1802fe5cc064ee812ca7294a984ff3a33
[INFO] running `Command { std: "docker" "start" "-a" "4740da916a65a3447104ddc9e7c84be1802fe5cc064ee812ca7294a984ff3a33", kill_on_drop: false }`
[INFO] [stderr]     Checking bufstream v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.1.4
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]     Checking time v0.1.32
[INFO] [stderr]     Checking rand v0.3.11
[INFO] [stderr]     Checking challenge-2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             thread::sleep_ms(100);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |             thread::sleep_ms(100);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "4740da916a65a3447104ddc9e7c84be1802fe5cc064ee812ca7294a984ff3a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4740da916a65a3447104ddc9e7c84be1802fe5cc064ee812ca7294a984ff3a33", kill_on_drop: false }`
[INFO] [stdout] 4740da916a65a3447104ddc9e7c84be1802fe5cc064ee812ca7294a984ff3a33