[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] testing GeekcampSG/challenge-2015 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeekcampSG%2Fchallenge-2015" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GeekcampSG/challenge-2015 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-30/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kernel32-sys v0.1.4
[INFO] [stderr]   Downloaded rand v0.3.11
[INFO] [stderr]   Downloaded winapi v0.2.4
[INFO] [stderr]   Downloaded bufstream v0.1.1
[INFO] [stderr]   Downloaded libc v0.1.10
[INFO] [stderr]   Downloaded time v0.1.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f241bde73878d03cd180fac95a9ca07cf06941c82f39efa618d986d0122a1be8
[INFO] running `Command { std: "docker" "start" "-a" "f241bde73878d03cd180fac95a9ca07cf06941c82f39efa618d986d0122a1be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f241bde73878d03cd180fac95a9ca07cf06941c82f39efa618d986d0122a1be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f241bde73878d03cd180fac95a9ca07cf06941c82f39efa618d986d0122a1be8", kill_on_drop: false }`
[INFO] [stdout] f241bde73878d03cd180fac95a9ca07cf06941c82f39efa618d986d0122a1be8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26e5abc58b7217997aeeef35e83f70244451b7014434dbda85669fc7a56eb96c
[INFO] running `Command { std: "docker" "start" "-a" "26e5abc58b7217997aeeef35e83f70244451b7014434dbda85669fc7a56eb96c", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.2.4
[INFO] [stderr]    Compiling libc v0.1.10
[INFO] [stderr]    Compiling bufstream v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.1.4
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.3.11
[INFO] [stderr]    Compiling time v0.1.32
[INFO] [stderr]    Compiling 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:78:21
[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 8.70s
[INFO] running `Command { std: "docker" "inspect" "26e5abc58b7217997aeeef35e83f70244451b7014434dbda85669fc7a56eb96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26e5abc58b7217997aeeef35e83f70244451b7014434dbda85669fc7a56eb96c", kill_on_drop: false }`
[INFO] [stdout] 26e5abc58b7217997aeeef35e83f70244451b7014434dbda85669fc7a56eb96c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5ba74292e20d43a042f65861eac0c650428db864d4de4aebc60dccf3f552e5b
[INFO] running `Command { std: "docker" "start" "-a" "f5ba74292e20d43a042f65861eac0c650428db864d4de4aebc60dccf3f552e5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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:78:21
[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 test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "f5ba74292e20d43a042f65861eac0c650428db864d4de4aebc60dccf3f552e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ba74292e20d43a042f65861eac0c650428db864d4de4aebc60dccf3f552e5b", kill_on_drop: false }`
[INFO] [stdout] f5ba74292e20d43a042f65861eac0c650428db864d4de4aebc60dccf3f552e5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f3886c9df5ad621c8d7f5d6536cdde0312380ad774760c2d5d33a3a5337a0a2
[INFO] running `Command { std: "docker" "start" "-a" "2f3886c9df5ad621c8d7f5d6536cdde0312380ad774760c2d5d33a3a5337a0a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |             thread::sleep_ms(100);
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `challenge-2015` (bin "challenge-2015" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/challenge_2015-0a15f241b8b60036)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f3886c9df5ad621c8d7f5d6536cdde0312380ad774760c2d5d33a3a5337a0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3886c9df5ad621c8d7f5d6536cdde0312380ad774760c2d5d33a3a5337a0a2", kill_on_drop: false }`
[INFO] [stdout] 2f3886c9df5ad621c8d7f5d6536cdde0312380ad774760c2d5d33a3a5337a0a2