[INFO] updating cached repository binocvlar/Rustlang-Towers-of-Hanoi
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/binocvlar/Rustlang-Towers-of-Hanoi
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/binocvlar/Rustlang-Towers-of-Hanoi" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/binocvlar/Rustlang-Towers-of-Hanoi"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/binocvlar/Rustlang-Towers-of-Hanoi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/binocvlar/Rustlang-Towers-of-Hanoi" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/binocvlar/Rustlang-Towers-of-Hanoi"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/binocvlar/Rustlang-Towers-of-Hanoi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68e3fccc3f5a3b4a561273b9445f3a3466a811f6
[INFO] sha for GitHub repo binocvlar/Rustlang-Towers-of-Hanoi: 68e3fccc3f5a3b4a561273b9445f3a3466a811f6
[INFO] validating manifest of binocvlar/Rustlang-Towers-of-Hanoi on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of binocvlar/Rustlang-Towers-of-Hanoi on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing binocvlar/Rustlang-Towers-of-Hanoi
[INFO] finished frobbing binocvlar/Rustlang-Towers-of-Hanoi
[INFO] frobbed toml for binocvlar/Rustlang-Towers-of-Hanoi written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/binocvlar/Rustlang-Towers-of-Hanoi/Cargo.toml
[INFO] started frobbing binocvlar/Rustlang-Towers-of-Hanoi
[INFO] finished frobbing binocvlar/Rustlang-Towers-of-Hanoi
[INFO] frobbed toml for binocvlar/Rustlang-Towers-of-Hanoi written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/binocvlar/Rustlang-Towers-of-Hanoi/Cargo.toml
[INFO] crate binocvlar/Rustlang-Towers-of-Hanoi has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing binocvlar/Rustlang-Towers-of-Hanoi against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/binocvlar/Rustlang-Towers-of-Hanoi:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] bdc962e9053701808e1a89902e139951c0691c079d5bb21bd230f6e696576063
[INFO] running `"docker" "start" "-a" "bdc962e9053701808e1a89902e139951c0691c079d5bb21bd230f6e696576063"`
[INFO] [stderr]    Compiling towers_of_hanoi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `"docker" "inspect" "bdc962e9053701808e1a89902e139951c0691c079d5bb21bd230f6e696576063"`
[INFO] running `"docker" "rm" "-f" "bdc962e9053701808e1a89902e139951c0691c079d5bb21bd230f6e696576063"`
[INFO] [stdout] bdc962e9053701808e1a89902e139951c0691c079d5bb21bd230f6e696576063
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/binocvlar/Rustlang-Towers-of-Hanoi:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 261502e4f065aa64f50b96e1abe07a0cddcd64ac00b78a351e6bfaaf6da9b74c
[INFO] running `"docker" "start" "-a" "261502e4f065aa64f50b96e1abe07a0cddcd64ac00b78a351e6bfaaf6da9b74c"`
[INFO] [stderr]    Compiling towers_of_hanoi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "261502e4f065aa64f50b96e1abe07a0cddcd64ac00b78a351e6bfaaf6da9b74c"`
[INFO] running `"docker" "rm" "-f" "261502e4f065aa64f50b96e1abe07a0cddcd64ac00b78a351e6bfaaf6da9b74c"`
[INFO] [stdout] 261502e4f065aa64f50b96e1abe07a0cddcd64ac00b78a351e6bfaaf6da9b74c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/binocvlar/Rustlang-Towers-of-Hanoi:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] d98ce7ab159154dcc2342eda14740614d5c1dc488b25bd985a935bc5ae4b8d87
[INFO] running `"docker" "start" "-a" "d98ce7ab159154dcc2342eda14740614d5c1dc488b25bd985a935bc5ae4b8d87"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/towers_of_hanoi-567f7c51be90a3c1
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/towers_of_hanoi-6e002d84a9259d4a
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests towers_of_hanoi
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d98ce7ab159154dcc2342eda14740614d5c1dc488b25bd985a935bc5ae4b8d87"`
[INFO] running `"docker" "rm" "-f" "d98ce7ab159154dcc2342eda14740614d5c1dc488b25bd985a935bc5ae4b8d87"`
[INFO] [stdout] d98ce7ab159154dcc2342eda14740614d5c1dc488b25bd985a935bc5ae4b8d87