[INFO] cloning repository https://github.com/rjvdw/synacor-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rjvdw/synacor-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjvdw%2Fsynacor-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjvdw%2Fsynacor-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e47099ce378efb8911f4cb1e07e7d81ce07b309a
[INFO] testing rjvdw/synacor-challenge against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjvdw%2Fsynacor-challenge" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rjvdw/synacor-challenge on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rjvdw/synacor-challenge
[INFO] finished tweaking git repo https://github.com/rjvdw/synacor-challenge
[INFO] tweaked toml for git repo https://github.com/rjvdw/synacor-challenge written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/rjvdw/synacor-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93925d8ab848cec8dfd3c3c97dcfb651932c017ecacd3caa16923914188543cc
[INFO] running `Command { std: "docker" "start" "-a" "93925d8ab848cec8dfd3c3c97dcfb651932c017ecacd3caa16923914188543cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93925d8ab848cec8dfd3c3c97dcfb651932c017ecacd3caa16923914188543cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93925d8ab848cec8dfd3c3c97dcfb651932c017ecacd3caa16923914188543cc", kill_on_drop: false }`
[INFO] [stdout] 93925d8ab848cec8dfd3c3c97dcfb651932c017ecacd3caa16923914188543cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5b36989f40e0244a6ce11909a4956c7202a2e8ee9dd2d19d220087555b5d451
[INFO] running `Command { std: "docker" "start" "-a" "d5b36989f40e0244a6ce11909a4956c7202a2e8ee9dd2d19d220087555b5d451", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling synacor-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "d5b36989f40e0244a6ce11909a4956c7202a2e8ee9dd2d19d220087555b5d451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b36989f40e0244a6ce11909a4956c7202a2e8ee9dd2d19d220087555b5d451", kill_on_drop: false }`
[INFO] [stdout] d5b36989f40e0244a6ce11909a4956c7202a2e8ee9dd2d19d220087555b5d451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92c4561df4e47378a0194e10a157f432d313429ffdcf15c53434e12b25f19cda
[INFO] running `Command { std: "docker" "start" "-a" "92c4561df4e47378a0194e10a157f432d313429ffdcf15c53434e12b25f19cda", kill_on_drop: false }`
[INFO] [stderr]    Compiling synacor-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]   Executable unittests src/lib/lib.rs (/opt/rustwide/target/debug/deps/synacor_challenge-f996a64fafd3c1d7)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/synacor_challenge-76b3b2fe6c7300df)
[INFO] [stderr]   Executable unittests src/coins.rs (/opt/rustwide/target/debug/deps/synacor_challenge_coin_puzzle-689b1d9adc1fc9a7)
[INFO] [stderr]   Executable unittests src/print.rs (/opt/rustwide/target/debug/deps/synacor_challenge_print-21e9e332c2092041)
[INFO] running `Command { std: "docker" "inspect" "92c4561df4e47378a0194e10a157f432d313429ffdcf15c53434e12b25f19cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92c4561df4e47378a0194e10a157f432d313429ffdcf15c53434e12b25f19cda", kill_on_drop: false }`
[INFO] [stdout] 92c4561df4e47378a0194e10a157f432d313429ffdcf15c53434e12b25f19cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75981bc5193b5f33303d3511439455c7ba9e6bc779aee4255c64953b7f80b67e
[INFO] running `Command { std: "docker" "start" "-a" "75981bc5193b5f33303d3511439455c7ba9e6bc779aee4255c64953b7f80b67e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib/lib.rs (/opt/rustwide/target/debug/deps/synacor_challenge-f996a64fafd3c1d7)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/synacor_challenge-76b3b2fe6c7300df)
[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] [stderr]      Running unittests src/coins.rs (/opt/rustwide/target/debug/deps/synacor_challenge_coin_puzzle-689b1d9adc1fc9a7)
[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] [stderr]      Running unittests src/print.rs (/opt/rustwide/target/debug/deps/synacor_challenge_print-21e9e332c2092041)
[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] [stderr]    Doc-tests synacor_challenge
[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" "75981bc5193b5f33303d3511439455c7ba9e6bc779aee4255c64953b7f80b67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75981bc5193b5f33303d3511439455c7ba9e6bc779aee4255c64953b7f80b67e", kill_on_drop: false }`
[INFO] [stdout] 75981bc5193b5f33303d3511439455c7ba9e6bc779aee4255c64953b7f80b67e