[INFO] updating cached repository NoahTheDuke/rust_ackermann
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NoahTheDuke/rust_ackermann
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NoahTheDuke/rust_ackermann" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/NoahTheDuke/rust_ackermann"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/NoahTheDuke/rust_ackermann'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NoahTheDuke/rust_ackermann" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/NoahTheDuke/rust_ackermann"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/NoahTheDuke/rust_ackermann'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5253f63b823de6ed03cb5f63bf028e1dd3cc3424
[INFO] sha for GitHub repo NoahTheDuke/rust_ackermann: 5253f63b823de6ed03cb5f63bf028e1dd3cc3424
[INFO] validating manifest of NoahTheDuke/rust_ackermann 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 NoahTheDuke/rust_ackermann 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 NoahTheDuke/rust_ackermann
[INFO] finished frobbing NoahTheDuke/rust_ackermann
[INFO] frobbed toml for NoahTheDuke/rust_ackermann written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/NoahTheDuke/rust_ackermann/Cargo.toml
[INFO] started frobbing NoahTheDuke/rust_ackermann
[INFO] finished frobbing NoahTheDuke/rust_ackermann
[INFO] frobbed toml for NoahTheDuke/rust_ackermann written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/NoahTheDuke/rust_ackermann/Cargo.toml
[INFO] crate NoahTheDuke/rust_ackermann 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 NoahTheDuke/rust_ackermann against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/NoahTheDuke/rust_ackermann:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 8bf807aa90ee601e3af306f7e30a5a591a59ab2308ab2cd0173926137586a321
[INFO] running `"docker" "start" "-a" "8bf807aa90ee601e3af306f7e30a5a591a59ab2308ab2cd0173926137586a321"`
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling ackermann v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "8bf807aa90ee601e3af306f7e30a5a591a59ab2308ab2cd0173926137586a321"`
[INFO] running `"docker" "rm" "-f" "8bf807aa90ee601e3af306f7e30a5a591a59ab2308ab2cd0173926137586a321"`
[INFO] [stdout] 8bf807aa90ee601e3af306f7e30a5a591a59ab2308ab2cd0173926137586a321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/NoahTheDuke/rust_ackermann:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 496d35ca3489c6de3dcf5e27b13ede735fc860b7d098899249cf7e846d772c72
[INFO] running `"docker" "start" "-a" "496d35ca3489c6de3dcf5e27b13ede735fc860b7d098899249cf7e846d772c72"`
[INFO] [stderr]    Compiling ackermann v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "496d35ca3489c6de3dcf5e27b13ede735fc860b7d098899249cf7e846d772c72"`
[INFO] running `"docker" "rm" "-f" "496d35ca3489c6de3dcf5e27b13ede735fc860b7d098899249cf7e846d772c72"`
[INFO] [stdout] 496d35ca3489c6de3dcf5e27b13ede735fc860b7d098899249cf7e846d772c72
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/NoahTheDuke/rust_ackermann:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] d866f17ccf93fc94821a97da8f78c1a9cbfed43ae83a54f523cae86b7cebc7bc
[INFO] running `"docker" "start" "-a" "d866f17ccf93fc94821a97da8f78c1a9cbfed43ae83a54f523cae86b7cebc7bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ackermann-a6afe7466e94d951
[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" "d866f17ccf93fc94821a97da8f78c1a9cbfed43ae83a54f523cae86b7cebc7bc"`
[INFO] running `"docker" "rm" "-f" "d866f17ccf93fc94821a97da8f78c1a9cbfed43ae83a54f523cae86b7cebc7bc"`
[INFO] [stdout] d866f17ccf93fc94821a97da8f78c1a9cbfed43ae83a54f523cae86b7cebc7bc