[INFO] updating cached repository jalextowle/linearize [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jalextowle/linearize [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jalextowle/linearize" "work/ex/beta-1.38-1/sources/1.37.0/gh/jalextowle/linearize"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jalextowle/linearize'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jalextowle/linearize" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jalextowle/linearize"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jalextowle/linearize'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0f43ee3d52e23b199f97cfefe56772b0491b7cf2 [INFO] sha for GitHub repo jalextowle/linearize: 0f43ee3d52e23b199f97cfefe56772b0491b7cf2 [INFO] validating manifest of jalextowle/linearize 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 jalextowle/linearize 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 jalextowle/linearize [INFO] finished frobbing jalextowle/linearize [INFO] frobbed toml for jalextowle/linearize written to work/ex/beta-1.38-1/sources/1.37.0/gh/jalextowle/linearize/Cargo.toml [INFO] started frobbing jalextowle/linearize [INFO] finished frobbing jalextowle/linearize [INFO] frobbed toml for jalextowle/linearize written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jalextowle/linearize/Cargo.toml [INFO] crate jalextowle/linearize 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 jalextowle/linearize 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jalextowle/linearize:/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] 3632423c7d18e97fb4c71dea1f5dbdf776a37d3dca4ee2f1f1c84495ae9a59fe [INFO] running `"docker" "start" "-a" "3632423c7d18e97fb4c71dea1f5dbdf776a37d3dca4ee2f1f1c84495ae9a59fe"` [INFO] [stderr] Compiling linearizer v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/lex.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut result = Token::NoToken; [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 variable: `merged` [INFO] [stderr] --> src/linearize.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let merged = merge(&list); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_merged` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list` [INFO] [stderr] --> src/linearize.rs:82:10 [INFO] [stderr] | [INFO] [stderr] 82 | fn merge(list: &Vec) -> Vec { vec![] } [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_list` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lex.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut result = Token::NoToken; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/linearize.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut result = vec![]; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `linearize` [INFO] [stderr] --> src/linearize.rs:76:1 [INFO] [stderr] | [INFO] [stderr] 76 | fn linearize(front: u32, mut list: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge` [INFO] [stderr] --> src/linearize.rs:82:1 [INFO] [stderr] | [INFO] [stderr] 82 | fn merge(list: &Vec) -> Vec { vec![] } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/linearize.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | while true { [INFO] [stderr] | ^^^^^^^^^^ help: use `loop` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(while_true)] on by default [INFO] [stderr] [INFO] [stderr] warning: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/linearize.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | while true { [INFO] [stderr] | ^^^^^^^^^^ help: use `loop` [INFO] [stderr] [INFO] [stderr] warning: unused import: `linearizer::lex` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use linearizer::lex; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `linearizer::linearize` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use linearizer::linearize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let input = fs::read_to_string(name).expect("Unable to open input file"); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `"docker" "inspect" "3632423c7d18e97fb4c71dea1f5dbdf776a37d3dca4ee2f1f1c84495ae9a59fe"` [INFO] running `"docker" "rm" "-f" "3632423c7d18e97fb4c71dea1f5dbdf776a37d3dca4ee2f1f1c84495ae9a59fe"` [INFO] [stdout] 3632423c7d18e97fb4c71dea1f5dbdf776a37d3dca4ee2f1f1c84495ae9a59fe [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jalextowle/linearize:/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] 41a506b9a2ee022c9690fbc3277318c2f8eec033f20a4a3567e83ef234a74681 [INFO] running `"docker" "start" "-a" "41a506b9a2ee022c9690fbc3277318c2f8eec033f20a4a3567e83ef234a74681"` [INFO] [stderr] Compiling linearizer v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> src/lex.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut result = Token::NoToken; [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 variable: `merged` [INFO] [stderr] --> src/linearize.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | let merged = merge(&list); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_merged` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list` [INFO] [stderr] --> src/linearize.rs:82:10 [INFO] [stderr] | [INFO] [stderr] 82 | fn merge(list: &Vec) -> Vec { vec![] } [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_list` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lex.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | let mut result = Token::NoToken; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/linearize.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let mut result = vec![]; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `linearize` [INFO] [stderr] --> src/linearize.rs:76:1 [INFO] [stderr] | [INFO] [stderr] 76 | fn linearize(front: u32, mut list: Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `merge` [INFO] [stderr] --> src/linearize.rs:82:1 [INFO] [stderr] | [INFO] [stderr] 82 | fn merge(list: &Vec) -> Vec { vec![] } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/linearize.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | while true { [INFO] [stderr] | ^^^^^^^^^^ help: use `loop` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(while_true)] on by default [INFO] [stderr] [INFO] [stderr] warning: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/linearize.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | while true { [INFO] [stderr] | ^^^^^^^^^^ help: use `loop` [INFO] [stderr] [INFO] [stderr] warning: unused import: `linearizer::lex` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use linearizer::lex; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `linearizer::linearize` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use linearizer::linearize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let input = fs::read_to_string(name).expect("Unable to open input file"); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_input` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.01s [INFO] running `"docker" "inspect" "41a506b9a2ee022c9690fbc3277318c2f8eec033f20a4a3567e83ef234a74681"` [INFO] running `"docker" "rm" "-f" "41a506b9a2ee022c9690fbc3277318c2f8eec033f20a4a3567e83ef234a74681"` [INFO] [stdout] 41a506b9a2ee022c9690fbc3277318c2f8eec033f20a4a3567e83ef234a74681 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jalextowle/linearize:/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] b78fbc858021d1484f929b2e557c2ad4cd01e509fe2ca6f09d0ce9475bdf4e7b [INFO] running `"docker" "start" "-a" "b78fbc858021d1484f929b2e557c2ad4cd01e509fe2ca6f09d0ce9475bdf4e7b"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/linearizer-23fbb12bff506153 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test lex::tests::comma_test1 ... ok [INFO] [stdout] test lex::tests::is_test1 ... ok [INFO] [stdout] test lex::tests::identifier_test1 ... ok [INFO] [stdout] test lex::tests::contract_test1 ... ok [INFO] [stdout] test lex::tests::no_token_test1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/linearizer-774fb5d4252e46d2 [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/lex_tests-1d59d5e3a90cf9dc [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test lex_tests::lex_integration_test1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests linearizer [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" "b78fbc858021d1484f929b2e557c2ad4cd01e509fe2ca6f09d0ce9475bdf4e7b"` [INFO] running `"docker" "rm" "-f" "b78fbc858021d1484f929b2e557c2ad4cd01e509fe2ca6f09d0ce9475bdf4e7b"` [INFO] [stdout] b78fbc858021d1484f929b2e557c2ad4cd01e509fe2ca6f09d0ce9475bdf4e7b