[INFO] updating cached repository Gregory-Meyer/coreutils-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gregory-Meyer/coreutils-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gregory-Meyer/coreutils-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/Gregory-Meyer/coreutils-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Gregory-Meyer/coreutils-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gregory-Meyer/coreutils-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gregory-Meyer/coreutils-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gregory-Meyer/coreutils-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5dd2d84b476a51dea8700515374973e66796d5a
[INFO] sha for GitHub repo Gregory-Meyer/coreutils-rs: c5dd2d84b476a51dea8700515374973e66796d5a
[INFO] validating manifest of Gregory-Meyer/coreutils-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Gregory-Meyer/coreutils-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Gregory-Meyer/coreutils-rs
[INFO] finished frobbing Gregory-Meyer/coreutils-rs
[INFO] frobbed toml for Gregory-Meyer/coreutils-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/Gregory-Meyer/coreutils-rs/Cargo.toml
[INFO] started frobbing Gregory-Meyer/coreutils-rs
[INFO] finished frobbing Gregory-Meyer/coreutils-rs
[INFO] frobbed toml for Gregory-Meyer/coreutils-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gregory-Meyer/coreutils-rs/Cargo.toml
[INFO] crate Gregory-Meyer/coreutils-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "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" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Gregory-Meyer/coreutils-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gregory-Meyer/coreutils-rs:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5606f7a47e10393bf578e99edb033de13356bc2e595cafb63b0c808c06e71960
[INFO] running `"docker" "start" "-a" "5606f7a47e10393bf578e99edb033de13356bc2e595cafb63b0c808c06e71960"`
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling coreutils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `reverse_split_buffer`
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn reverse_split_buffer<'a>(buffer: &'a str, split: &str) -> Vec<&'a str> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.90s
[INFO] running `"docker" "inspect" "5606f7a47e10393bf578e99edb033de13356bc2e595cafb63b0c808c06e71960"`
[INFO] running `"docker" "rm" "-f" "5606f7a47e10393bf578e99edb033de13356bc2e595cafb63b0c808c06e71960"`
[INFO] [stdout] 5606f7a47e10393bf578e99edb033de13356bc2e595cafb63b0c808c06e71960
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gregory-Meyer/coreutils-rs:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] b88ef3163c48d653ca80ba76aa90fa61f28e252129aedef334117fa8c20c4391
[INFO] running `"docker" "start" "-a" "b88ef3163c48d653ca80ba76aa90fa61f28e252129aedef334117fa8c20c4391"`
[INFO] [stderr]    Compiling coreutils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `reverse_split_buffer`
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn reverse_split_buffer<'a>(buffer: &'a str, split: &str) -> Vec<&'a str> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "b88ef3163c48d653ca80ba76aa90fa61f28e252129aedef334117fa8c20c4391"`
[INFO] running `"docker" "rm" "-f" "b88ef3163c48d653ca80ba76aa90fa61f28e252129aedef334117fa8c20c4391"`
[INFO] [stdout] b88ef3163c48d653ca80ba76aa90fa61f28e252129aedef334117fa8c20c4391
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gregory-Meyer/coreutils-rs:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0869c0fd9e28ae695a71aeef49906086fa72c70c00e3d89c791f899b1397ae6e
[INFO] running `"docker" "start" "-a" "0869c0fd9e28ae695a71aeef49906086fa72c70c00e3d89c791f899b1397ae6e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/coreutils-d5eaa6393ddded54
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cat-476ae63558d8aa36
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sort-8d5d387af497d140
[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/tac-e9be14ed46317b26
[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/yes-0c2305b741620a90
[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] [stderr]    Doc-tests coreutils
[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] [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" "0869c0fd9e28ae695a71aeef49906086fa72c70c00e3d89c791f899b1397ae6e"`
[INFO] running `"docker" "rm" "-f" "0869c0fd9e28ae695a71aeef49906086fa72c70c00e3d89c791f899b1397ae6e"`
[INFO] [stdout] 0869c0fd9e28ae695a71aeef49906086fa72c70c00e3d89c791f899b1397ae6e