[INFO] updating cached repository christian-blades-cb/wordcount-from-scratch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/christian-blades-cb/wordcount-from-scratch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/christian-blades-cb/wordcount-from-scratch" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/christian-blades-cb/wordcount-from-scratch"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/christian-blades-cb/wordcount-from-scratch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/christian-blades-cb/wordcount-from-scratch" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/christian-blades-cb/wordcount-from-scratch"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/christian-blades-cb/wordcount-from-scratch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] acf63a4eaa59d576e6664b8773a3cef0f4a0c0af
[INFO] sha for GitHub repo christian-blades-cb/wordcount-from-scratch: acf63a4eaa59d576e6664b8773a3cef0f4a0c0af
[INFO] validating manifest of christian-blades-cb/wordcount-from-scratch 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 christian-blades-cb/wordcount-from-scratch 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 christian-blades-cb/wordcount-from-scratch
[INFO] finished frobbing christian-blades-cb/wordcount-from-scratch
[INFO] frobbed toml for christian-blades-cb/wordcount-from-scratch written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/christian-blades-cb/wordcount-from-scratch/Cargo.toml
[INFO] started frobbing christian-blades-cb/wordcount-from-scratch
[INFO] finished frobbing christian-blades-cb/wordcount-from-scratch
[INFO] frobbed toml for christian-blades-cb/wordcount-from-scratch written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/christian-blades-cb/wordcount-from-scratch/Cargo.toml
[INFO] crate christian-blades-cb/wordcount-from-scratch 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 christian-blades-cb/wordcount-from-scratch against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/christian-blades-cb/wordcount-from-scratch:/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] d7c12c1896afd63757626d40404ef7c4ccfd667e16e02c5ba8c5055fe1c98db2
[INFO] running `"docker" "start" "-a" "d7c12c1896afd63757626d40404ef7c4ccfd667e16e02c5ba8c5055fe1c98db2"`
[INFO] [stderr]    Compiling wordcount-from-scratch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "d7c12c1896afd63757626d40404ef7c4ccfd667e16e02c5ba8c5055fe1c98db2"`
[INFO] running `"docker" "rm" "-f" "d7c12c1896afd63757626d40404ef7c4ccfd667e16e02c5ba8c5055fe1c98db2"`
[INFO] [stdout] d7c12c1896afd63757626d40404ef7c4ccfd667e16e02c5ba8c5055fe1c98db2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/christian-blades-cb/wordcount-from-scratch:/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] 2c105a1cd753897f67ab75d488abd6d8ffd54181e36b4071902eeefbae5f1d6f
[INFO] running `"docker" "start" "-a" "2c105a1cd753897f67ab75d488abd6d8ffd54181e36b4071902eeefbae5f1d6f"`
[INFO] [stderr]    Compiling wordcount-from-scratch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "2c105a1cd753897f67ab75d488abd6d8ffd54181e36b4071902eeefbae5f1d6f"`
[INFO] running `"docker" "rm" "-f" "2c105a1cd753897f67ab75d488abd6d8ffd54181e36b4071902eeefbae5f1d6f"`
[INFO] [stdout] 2c105a1cd753897f67ab75d488abd6d8ffd54181e36b4071902eeefbae5f1d6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/christian-blades-cb/wordcount-from-scratch:/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] 189fcd2e6ccf9c86ea56dc92dae066d27c461c5756fac415c6bb7337014a4f8e
[INFO] running `"docker" "start" "-a" "189fcd2e6ccf9c86ea56dc92dae066d27c461c5756fac415c6bb7337014a4f8e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wordcount_from_scratch-7b7dfbbaf801ead5
[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" "189fcd2e6ccf9c86ea56dc92dae066d27c461c5756fac415c6bb7337014a4f8e"`
[INFO] running `"docker" "rm" "-f" "189fcd2e6ccf9c86ea56dc92dae066d27c461c5756fac415c6bb7337014a4f8e"`
[INFO] [stdout] 189fcd2e6ccf9c86ea56dc92dae066d27c461c5756fac415c6bb7337014a4f8e