[INFO] cloning repository wilcoxky/rust-hw04
[INFO] running `"git" "clone" "--bare" "git://github.com/wilcoxky/rust-hw04.git" "work/cache/sources/gh/wilcoxky/rust-hw04"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/wilcoxky/rust-hw04'...
[INFO] running `"git" "clone" "work/cache/sources/gh/wilcoxky/rust-hw04" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wilcoxky/rust-hw04"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wilcoxky/rust-hw04'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wilcoxky/rust-hw04" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wilcoxky/rust-hw04"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wilcoxky/rust-hw04'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2567a8394af35830fbaf522f223c6e485873bd3e
[INFO] sha for GitHub repo wilcoxky/rust-hw04: 2567a8394af35830fbaf522f223c6e485873bd3e
[INFO] validating manifest of wilcoxky/rust-hw04 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 wilcoxky/rust-hw04 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 wilcoxky/rust-hw04
[INFO] finished frobbing wilcoxky/rust-hw04
[INFO] frobbed toml for wilcoxky/rust-hw04 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wilcoxky/rust-hw04/Cargo.toml
[INFO] started frobbing wilcoxky/rust-hw04
[INFO] finished frobbing wilcoxky/rust-hw04
[INFO] frobbed toml for wilcoxky/rust-hw04 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/wilcoxky/rust-hw04/Cargo.toml
[INFO] crate wilcoxky/rust-hw04 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 wilcoxky/rust-hw04 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wilcoxky/rust-hw04:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 88eb72ef50f97252f8d93f8ac4f05d619ee6e5828b94fe943254f9f5cee73a25
[INFO] running `"docker" "start" "-a" "88eb72ef50f97252f8d93f8ac4f05d619ee6e5828b94fe943254f9f5cee73a25"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling hw04 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rpn.rs:124:21
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     self.push(n);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rpn.rs:133:21
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     self.push(first.unwrap());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `"docker" "inspect" "88eb72ef50f97252f8d93f8ac4f05d619ee6e5828b94fe943254f9f5cee73a25"`
[INFO] running `"docker" "rm" "-f" "88eb72ef50f97252f8d93f8ac4f05d619ee6e5828b94fe943254f9f5cee73a25"`
[INFO] [stdout] 88eb72ef50f97252f8d93f8ac4f05d619ee6e5828b94fe943254f9f5cee73a25
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wilcoxky/rust-hw04:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] c23644334e09639e74b57f74e385a9247d389010db82011fd05186f1c0200309
[INFO] running `"docker" "start" "-a" "c23644334e09639e74b57f74e385a9247d389010db82011fd05186f1c0200309"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling hw04 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rpn.rs:124:21
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     self.push(n);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rpn.rs:133:21
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     self.push(first.unwrap());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `"docker" "inspect" "c23644334e09639e74b57f74e385a9247d389010db82011fd05186f1c0200309"`
[INFO] running `"docker" "rm" "-f" "c23644334e09639e74b57f74e385a9247d389010db82011fd05186f1c0200309"`
[INFO] [stdout] c23644334e09639e74b57f74e385a9247d389010db82011fd05186f1c0200309
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/wilcoxky/rust-hw04:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 19d5d0dc9c9d3d6e588eeb13e4159dac7cf3121f55346be77011f061bb4fe3c3
[INFO] running `"docker" "start" "-a" "19d5d0dc9c9d3d6e588eeb13e4159dac7cf3121f55346be77011f061bb4fe3c3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hw04-274366c8a5048195
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test rpn::tests::test_eval_add1 ... ok
[INFO] [stdout] test rpn::tests::test_eval_add2 ... ok
[INFO] [stdout] test rpn::tests::test_eval_neg2 ... ok
[INFO] [stdout] test rpn::tests::test_eval_neg1 ... ok
[INFO] [stdout] test rpn::tests::test_eval_swap2 ... ok
[INFO] [stdout] test rpn::tests::test_eval_eq2 ... ok
[INFO] [stdout] test rpn::tests::test_eval_rand2 ... ok
[INFO] [stdout] test rpn::tests::test_eval_quit ... ok
[INFO] [stdout] test rpn::tests::test_eval_swap1 ... ok
[INFO] [stdout] test rpn::tests::test_eval_eq1 ... ok
[INFO] [stdout] test rpn::tests::test_eval_add3 ... ok
[INFO] [stdout] test rpn::tests::test_pop_empty1 ... ok
[INFO] [stdout] test tests::test_evaluate_line_bad_parse ... ok
[INFO] [stdout] test tests::test_evaluate_line_bool ... ok
[INFO] [stdout] test tests::test_evaluate_line_eq ... ok
[INFO] [stdout] test tests::test_evaluate_line_quit ... ok
[INFO] [stdout] test tests::test_evaluate_line_plus ... ok
[INFO] [stdout] test tests::test_evaluate_line_int ... ok
[INFO] [stdout] test tests::test_evaluate_line_rand ... ok
[INFO] [stdout] test tests::test_evaluate_line_neg ... ok
[INFO] [stdout] test rpn::tests::test_eval_rand1 ... ok
[INFO] [stdout] test rpn::tests::test_pop_empty2 ... ok
[INFO] [stdout] test tests::test_evaluate_line_swap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "19d5d0dc9c9d3d6e588eeb13e4159dac7cf3121f55346be77011f061bb4fe3c3"`
[INFO] running `"docker" "rm" "-f" "19d5d0dc9c9d3d6e588eeb13e4159dac7cf3121f55346be77011f061bb4fe3c3"`
[INFO] [stdout] 19d5d0dc9c9d3d6e588eeb13e4159dac7cf3121f55346be77011f061bb4fe3c3