[INFO] cloning repository jutley/rust_chapt2_practice
[INFO] running `"git" "clone" "--bare" "git://github.com/jutley/rust_chapt2_practice.git" "work/cache/sources/gh/jutley/rust_chapt2_practice"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jutley/rust_chapt2_practice'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jutley/rust_chapt2_practice" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jutley/rust_chapt2_practice"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jutley/rust_chapt2_practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jutley/rust_chapt2_practice" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jutley/rust_chapt2_practice"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jutley/rust_chapt2_practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa822f1c16d5251e2dc2236398de175cf11e347d
[INFO] sha for GitHub repo jutley/rust_chapt2_practice: aa822f1c16d5251e2dc2236398de175cf11e347d
[INFO] validating manifest of jutley/rust_chapt2_practice on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jutley/rust_chapt2_practice on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jutley/rust_chapt2_practice
[INFO] finished frobbing jutley/rust_chapt2_practice
[INFO] frobbed toml for jutley/rust_chapt2_practice written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jutley/rust_chapt2_practice/Cargo.toml
[INFO] started frobbing jutley/rust_chapt2_practice
[INFO] finished frobbing jutley/rust_chapt2_practice
[INFO] frobbed toml for jutley/rust_chapt2_practice written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jutley/rust_chapt2_practice/Cargo.toml
[INFO] crate jutley/rust_chapt2_practice already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jutley/rust_chapt2_practice against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jutley/rust_chapt2_practice:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 1fedcca291c19533d2ec688798ef78baa712b919160a2f4910d7edfbd9dc7879
[INFO] running `"docker" "start" "-a" "1fedcca291c19533d2ec688798ef78baa712b919160a2f4910d7edfbd9dc7879"`
[INFO] [stderr]    Compiling rust_chapt2_practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "1fedcca291c19533d2ec688798ef78baa712b919160a2f4910d7edfbd9dc7879"`
[INFO] running `"docker" "rm" "-f" "1fedcca291c19533d2ec688798ef78baa712b919160a2f4910d7edfbd9dc7879"`
[INFO] [stdout] 1fedcca291c19533d2ec688798ef78baa712b919160a2f4910d7edfbd9dc7879
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jutley/rust_chapt2_practice:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 09bfdb05a2fc3444cae9801fa8503dcbb93c5c999f258d724c52dc40bba88550
[INFO] running `"docker" "start" "-a" "09bfdb05a2fc3444cae9801fa8503dcbb93c5c999f258d724c52dc40bba88550"`
[INFO] [stderr]    Compiling rust_chapt2_practice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "09bfdb05a2fc3444cae9801fa8503dcbb93c5c999f258d724c52dc40bba88550"`
[INFO] running `"docker" "rm" "-f" "09bfdb05a2fc3444cae9801fa8503dcbb93c5c999f258d724c52dc40bba88550"`
[INFO] [stdout] 09bfdb05a2fc3444cae9801fa8503dcbb93c5c999f258d724c52dc40bba88550
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jutley/rust_chapt2_practice:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] e976c22c1cf49ea77e26123d626de8410de33a9154f0110befcdc6cb646c0f49
[INFO] running `"docker" "start" "-a" "e976c22c1cf49ea77e26123d626de8410de33a9154f0110befcdc6cb646c0f49"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_chapt2_practice-0fa8e5d4756054bb
[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" "e976c22c1cf49ea77e26123d626de8410de33a9154f0110befcdc6cb646c0f49"`
[INFO] running `"docker" "rm" "-f" "e976c22c1cf49ea77e26123d626de8410de33a9154f0110befcdc6cb646c0f49"`
[INFO] [stdout] e976c22c1cf49ea77e26123d626de8410de33a9154f0110befcdc6cb646c0f49