[INFO] updating cached repository julientregoat/rust-io-project
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/julientregoat/rust-io-project
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/julientregoat/rust-io-project" "work/ex/beta-1.38-1/sources/1.37.0/gh/julientregoat/rust-io-project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/julientregoat/rust-io-project'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/julientregoat/rust-io-project" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/julientregoat/rust-io-project"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/julientregoat/rust-io-project'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 74860ff068d207eb63ee189606d0d13a398f5c3e
[INFO] sha for GitHub repo julientregoat/rust-io-project: 74860ff068d207eb63ee189606d0d13a398f5c3e
[INFO] validating manifest of julientregoat/rust-io-project on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of julientregoat/rust-io-project on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing julientregoat/rust-io-project
[INFO] finished frobbing julientregoat/rust-io-project
[INFO] frobbed toml for julientregoat/rust-io-project written to work/ex/beta-1.38-1/sources/1.37.0/gh/julientregoat/rust-io-project/Cargo.toml
[INFO] started frobbing julientregoat/rust-io-project
[INFO] finished frobbing julientregoat/rust-io-project
[INFO] frobbed toml for julientregoat/rust-io-project written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/julientregoat/rust-io-project/Cargo.toml
[INFO] crate julientregoat/rust-io-project already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing julientregoat/rust-io-project against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/julientregoat/rust-io-project:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c9b1303582351c1476a9656bf5887a221e236535c1168d793d8be2374de89138
[INFO] running `"docker" "start" "-a" "c9b1303582351c1476a9656bf5887a221e236535c1168d793d8be2374de89138"`
[INFO] [stderr]    Compiling rust_io_proj v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "c9b1303582351c1476a9656bf5887a221e236535c1168d793d8be2374de89138"`
[INFO] running `"docker" "rm" "-f" "c9b1303582351c1476a9656bf5887a221e236535c1168d793d8be2374de89138"`
[INFO] [stdout] c9b1303582351c1476a9656bf5887a221e236535c1168d793d8be2374de89138
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/julientregoat/rust-io-project:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ceddd346bc69ae988e00559d11aac18dc188649a8fe29173914a62687eeb901c
[INFO] running `"docker" "start" "-a" "ceddd346bc69ae988e00559d11aac18dc188649a8fe29173914a62687eeb901c"`
[INFO] [stderr]    Compiling rust_io_proj v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "ceddd346bc69ae988e00559d11aac18dc188649a8fe29173914a62687eeb901c"`
[INFO] running `"docker" "rm" "-f" "ceddd346bc69ae988e00559d11aac18dc188649a8fe29173914a62687eeb901c"`
[INFO] [stdout] ceddd346bc69ae988e00559d11aac18dc188649a8fe29173914a62687eeb901c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/julientregoat/rust-io-project:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a33d920c8f2a1d2d68a6d801ef2cf832aad8315c7c9fd8ee45011712b57dde45
[INFO] running `"docker" "start" "-a" "a33d920c8f2a1d2d68a6d801ef2cf832aad8315c7c9fd8ee45011712b57dde45"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_io_proj-6ba530d85fd29072
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_io_proj-d36a7f3d42f51e32
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests rust_io_proj
[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" "a33d920c8f2a1d2d68a6d801ef2cf832aad8315c7c9fd8ee45011712b57dde45"`
[INFO] running `"docker" "rm" "-f" "a33d920c8f2a1d2d68a6d801ef2cf832aad8315c7c9fd8ee45011712b57dde45"`
[INFO] [stdout] a33d920c8f2a1d2d68a6d801ef2cf832aad8315c7c9fd8ee45011712b57dde45