[INFO] cloning repository elycruz/rust-book
[INFO] running `"git" "clone" "--bare" "git://github.com/elycruz/rust-book.git" "work/cache/sources/gh/elycruz/rust-book"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/elycruz/rust-book'...
[INFO] running `"git" "clone" "work/cache/sources/gh/elycruz/rust-book" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/elycruz/rust-book"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/elycruz/rust-book'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elycruz/rust-book" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/elycruz/rust-book"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/elycruz/rust-book'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd9266b6c61f2b69f353735e61512e1d19bc9fb5
[INFO] sha for GitHub repo elycruz/rust-book: cd9266b6c61f2b69f353735e61512e1d19bc9fb5
[INFO] validating manifest of elycruz/rust-book 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 elycruz/rust-book 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 elycruz/rust-book
[INFO] finished frobbing elycruz/rust-book
[INFO] frobbed toml for elycruz/rust-book written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/elycruz/rust-book/Cargo.toml
[INFO] started frobbing elycruz/rust-book
[INFO] finished frobbing elycruz/rust-book
[INFO] frobbed toml for elycruz/rust-book written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/elycruz/rust-book/Cargo.toml
[INFO] crate elycruz/rust-book 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing elycruz/rust-book against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/elycruz/rust-book:/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] a5b4dc872cb7abff045389a354c9f1bae00977050a98841d41f830d1c984f40b
[INFO] running `"docker" "start" "-a" "a5b4dc872cb7abff045389a354c9f1bae00977050a98841d41f830d1c984f40b"`
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling rust-book v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `maximum`
[INFO] [stderr]   --> src/chp8/main.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn maximum<T: Ord + Debug>(xs: &Vec<T>) -> Option<&T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.05s
[INFO] running `"docker" "inspect" "a5b4dc872cb7abff045389a354c9f1bae00977050a98841d41f830d1c984f40b"`
[INFO] running `"docker" "rm" "-f" "a5b4dc872cb7abff045389a354c9f1bae00977050a98841d41f830d1c984f40b"`
[INFO] [stdout] a5b4dc872cb7abff045389a354c9f1bae00977050a98841d41f830d1c984f40b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/elycruz/rust-book:/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] 469efe4e8b1347b3aeddb01a112b55e4688a25051fa0c5debdcfe34278fb63bd
[INFO] running `"docker" "start" "-a" "469efe4e8b1347b3aeddb01a112b55e4688a25051fa0c5debdcfe34278fb63bd"`
[INFO] [stderr]    Compiling rust-book v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `"docker" "inspect" "469efe4e8b1347b3aeddb01a112b55e4688a25051fa0c5debdcfe34278fb63bd"`
[INFO] running `"docker" "rm" "-f" "469efe4e8b1347b3aeddb01a112b55e4688a25051fa0c5debdcfe34278fb63bd"`
[INFO] [stdout] 469efe4e8b1347b3aeddb01a112b55e4688a25051fa0c5debdcfe34278fb63bd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/elycruz/rust-book:/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] 28947fdf174817a8ec30223592724d96573ca3eb574597e0003e2869c13d7bdd
[INFO] running `"docker" "start" "-a" "28947fdf174817a8ec30223592724d96573ca3eb574597e0003e2869c13d7bdd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chp12-7a9c3d65dcce6344
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test minigrep::tests::test_case_insensitive ... ok
[INFO] [stdout] test minigrep::tests::test_one_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chp2-ab5ed82093aa73c4
[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] [stderr]      Running /opt/crater/target/debug/deps/chp5-f1359e4137ef9b72
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chp8-e3b00d0764d20592
[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 1 test
[INFO] [stdout] test tests::test_maximum ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_book-bb03d4cedaad9f4c
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "28947fdf174817a8ec30223592724d96573ca3eb574597e0003e2869c13d7bdd"`
[INFO] running `"docker" "rm" "-f" "28947fdf174817a8ec30223592724d96573ca3eb574597e0003e2869c13d7bdd"`
[INFO] [stdout] 28947fdf174817a8ec30223592724d96573ca3eb574597e0003e2869c13d7bdd