[INFO] updating cached repository yuzu441/nlp100-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yuzu441/nlp100-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yuzu441/nlp100-rust" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/yuzu441/nlp100-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/yuzu441/nlp100-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yuzu441/nlp100-rust" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/yuzu441/nlp100-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/yuzu441/nlp100-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 61b2ac3d4be5538dfb4980f6dbfef826fd4d0677
[INFO] sha for GitHub repo yuzu441/nlp100-rust: 61b2ac3d4be5538dfb4980f6dbfef826fd4d0677
[INFO] validating manifest of yuzu441/nlp100-rust 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 yuzu441/nlp100-rust 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 yuzu441/nlp100-rust
[INFO] finished frobbing yuzu441/nlp100-rust
[INFO] frobbed toml for yuzu441/nlp100-rust written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/yuzu441/nlp100-rust/Cargo.toml
[INFO] started frobbing yuzu441/nlp100-rust
[INFO] finished frobbing yuzu441/nlp100-rust
[INFO] frobbed toml for yuzu441/nlp100-rust written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/yuzu441/nlp100-rust/Cargo.toml
[INFO] crate yuzu441/nlp100-rust 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 yuzu441/nlp100-rust against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/yuzu441/nlp100-rust:/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] 396be904e2cc1415b7e0cda5f8524c0adc11e5a4547c7f0873a8cf3b060bec20
[INFO] running `"docker" "start" "-a" "396be904e2cc1415b7e0cda5f8524c0adc11e5a4547c7f0873a8cf3b060bec20"`
[INFO] [stderr]    Compiling nlp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/chapter01.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |         .map(|word| word.trim_right_matches(pat))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 true => w.slice_unchecked(0, 1),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 false => w.slice_unchecked(0, 2)
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "396be904e2cc1415b7e0cda5f8524c0adc11e5a4547c7f0873a8cf3b060bec20"`
[INFO] running `"docker" "rm" "-f" "396be904e2cc1415b7e0cda5f8524c0adc11e5a4547c7f0873a8cf3b060bec20"`
[INFO] [stdout] 396be904e2cc1415b7e0cda5f8524c0adc11e5a4547c7f0873a8cf3b060bec20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/yuzu441/nlp100-rust:/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] b5c08eeba360ab0d46e2fcfe8de7c485c291a0e9d747c4f87240d818d1c762a9
[INFO] running `"docker" "start" "-a" "b5c08eeba360ab0d46e2fcfe8de7c485c291a0e9d747c4f87240d818d1c762a9"`
[INFO] [stderr]    Compiling nlp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/chapter01.rs:46:26
[INFO] [stderr]    |
[INFO] [stderr] 46 |         .map(|word| word.trim_right_matches(pat))
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 true => w.slice_unchecked(0, 1),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/chapter01.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 |                 false => w.slice_unchecked(0, 2)
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `"docker" "inspect" "b5c08eeba360ab0d46e2fcfe8de7c485c291a0e9d747c4f87240d818d1c762a9"`
[INFO] running `"docker" "rm" "-f" "b5c08eeba360ab0d46e2fcfe8de7c485c291a0e9d747c4f87240d818d1c762a9"`
[INFO] [stdout] b5c08eeba360ab0d46e2fcfe8de7c485c291a0e9d747c4f87240d818d1c762a9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/yuzu441/nlp100-rust:/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] d8c224d7a72b6568f5bdd9feb2ce54e3d06ccbbc418985250635dc2c3ec5c8e5
[INFO] running `"docker" "start" "-a" "d8c224d7a72b6568f5bdd9feb2ce54e3d06ccbbc418985250635dc2c3ec5c8e5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nlp-b5cda7ae19881c3f
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test chapter01::q03_test ... ok
[INFO] [stdout] test chapter01::q02_test ... ok
[INFO] [stdout] test chapter01::q00_test ... ok
[INFO] [stdout] test chapter01::q04_test ... ok
[INFO] [stdout] test chapter01::q01_test ... ok
[INFO] [stdout] test chapter01::q05_test_bi_gram ... ok
[INFO] [stdout] test chapter01::q05_char_bi_gram ... ok
[INFO] [stdout] test chapter01::q05_test_uni_gram ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nlp-e9d9402c24728a99
[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]    Doc-tests nlp
[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" "d8c224d7a72b6568f5bdd9feb2ce54e3d06ccbbc418985250635dc2c3ec5c8e5"`
[INFO] running `"docker" "rm" "-f" "d8c224d7a72b6568f5bdd9feb2ce54e3d06ccbbc418985250635dc2c3ec5c8e5"`
[INFO] [stdout] d8c224d7a72b6568f5bdd9feb2ce54e3d06ccbbc418985250635dc2c3ec5c8e5