[INFO] cloning repository https://github.com/kmexnx/logic_puzzles_w_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kmexnx/logic_puzzles_w_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmexnx%2Flogic_puzzles_w_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmexnx%2Flogic_puzzles_w_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84d1fc75b0911194c418d0c6e2f6afbb45486a56
[INFO] testing kmexnx/logic_puzzles_w_rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmexnx%2Flogic_puzzles_w_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kmexnx/logic_puzzles_w_rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kmexnx/logic_puzzles_w_rust
[INFO] finished tweaking git repo https://github.com/kmexnx/logic_puzzles_w_rust
[INFO] tweaked toml for git repo https://github.com/kmexnx/logic_puzzles_w_rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kmexnx/logic_puzzles_w_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14bd4d0f528897d03addcdbc593c4b80dfc16ac1c6065612d3ceb77a6ac5cd06
[INFO] running `Command { std: "docker" "start" "-a" "14bd4d0f528897d03addcdbc593c4b80dfc16ac1c6065612d3ceb77a6ac5cd06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14bd4d0f528897d03addcdbc593c4b80dfc16ac1c6065612d3ceb77a6ac5cd06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14bd4d0f528897d03addcdbc593c4b80dfc16ac1c6065612d3ceb77a6ac5cd06", kill_on_drop: false }`
[INFO] [stdout] 14bd4d0f528897d03addcdbc593c4b80dfc16ac1c6065612d3ceb77a6ac5cd06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ac851c5204b73ffc02dbe449c93cbc72eff9291115eb74d25c5884cd7f3c2a4
[INFO] running `Command { std: "docker" "start" "-a" "2ac851c5204b73ffc02dbe449c93cbc72eff9291115eb74d25c5884cd7f3c2a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.1.1
[INFO] [stderr]    Compiling all_unique_chars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `Command { std: "docker" "inspect" "2ac851c5204b73ffc02dbe449c93cbc72eff9291115eb74d25c5884cd7f3c2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac851c5204b73ffc02dbe449c93cbc72eff9291115eb74d25c5884cd7f3c2a4", kill_on_drop: false }`
[INFO] [stdout] 2ac851c5204b73ffc02dbe449c93cbc72eff9291115eb74d25c5884cd7f3c2a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 031b9396ab40e603b1a0294fe31e6b27ae4bf1168cb41c8579b1995ee1f0d1af
[INFO] running `Command { std: "docker" "start" "-a" "031b9396ab40e603b1a0294fe31e6b27ae4bf1168cb41c8579b1995ee1f0d1af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling all_unique_chars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "031b9396ab40e603b1a0294fe31e6b27ae4bf1168cb41c8579b1995ee1f0d1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "031b9396ab40e603b1a0294fe31e6b27ae4bf1168cb41c8579b1995ee1f0d1af", kill_on_drop: false }`
[INFO] [stdout] 031b9396ab40e603b1a0294fe31e6b27ae4bf1168cb41c8579b1995ee1f0d1af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b732835b3c2b178837ead889386e013b0db69d5157cb9af754a20a79c6116651
[INFO] running `Command { std: "docker" "start" "-a" "b732835b3c2b178837ead889386e013b0db69d5157cb9af754a20a79c6116651", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/all_unique_chars-3365092377a129b0)
[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" "b732835b3c2b178837ead889386e013b0db69d5157cb9af754a20a79c6116651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b732835b3c2b178837ead889386e013b0db69d5157cb9af754a20a79c6116651", kill_on_drop: false }`
[INFO] [stdout] b732835b3c2b178837ead889386e013b0db69d5157cb9af754a20a79c6116651