[INFO] crate perplex 0.4.1 is already in cache
[INFO] testing perplex-0.4.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate perplex 0.4.1 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate perplex 0.4.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate perplex 0.4.1
[INFO] finished tweaking crates.io crate perplex 0.4.1
[INFO] tweaked toml for crates.io crate perplex 0.4.1 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] cdaef0eb15946b0843fc27d494dd30d0ad31dd8e68d0395d33880c872f0e62f7
[INFO] running `"docker" "start" "-a" "cdaef0eb15946b0843fc27d494dd30d0ad31dd8e68d0395d33880c872f0e62f7"`
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling perplex-runtime v0.1.1
[INFO] [stderr]    Compiling stderrlog v0.4.1
[INFO] [stderr]    Compiling perplex v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backend.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let mut ta: Vec<_> = state
[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/honalee.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |             let mut item_set = &mut done_list[index];
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `"docker" "inspect" "cdaef0eb15946b0843fc27d494dd30d0ad31dd8e68d0395d33880c872f0e62f7"`
[INFO] running `"docker" "rm" "-f" "cdaef0eb15946b0843fc27d494dd30d0ad31dd8e68d0395d33880c872f0e62f7"`
[INFO] [stdout] cdaef0eb15946b0843fc27d494dd30d0ad31dd8e68d0395d33880c872f0e62f7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a166bf7fe000a2664d9e7f55436546821e90fc31797ed66d107db6700d619122
[INFO] running `"docker" "start" "-a" "a166bf7fe000a2664d9e7f55436546821e90fc31797ed66d107db6700d619122"`
[INFO] [stderr]    Compiling perplex v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/backend.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let mut ta: Vec<_> = state
[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/honalee.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |             let mut item_set = &mut done_list[index];
[INFO] [stderr]     |                 ----^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "a166bf7fe000a2664d9e7f55436546821e90fc31797ed66d107db6700d619122"`
[INFO] running `"docker" "rm" "-f" "a166bf7fe000a2664d9e7f55436546821e90fc31797ed66d107db6700d619122"`
[INFO] [stdout] a166bf7fe000a2664d9e7f55436546821e90fc31797ed66d107db6700d619122
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 85ce2176aabc14758b740c1541b9ab5934f98ca41f47942376744211c88325f3
[INFO] running `"docker" "start" "-a" "85ce2176aabc14758b740c1541b9ab5934f98ca41f47942376744211c88325f3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/perplex-c86d458c0655373a
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test lexer::tests::quoted_escapes ... ok
[INFO] [stdout] test lexer::tests::comment_single_line ... ok
[INFO] [stdout] test lexer::tests::comment_multiple_lines ... ok
[INFO] [stdout] test item_set::tests::left_recursion ... ok
[INFO] [stdout] test first::test::simple_terminal ... ok
[INFO] [stdout] test first::test::epsilon_rule_is_transparent ... ok
[INFO] [stdout] test lexer::tests::comment_inline ... ok
[INFO] [stdout] test parser::tests::simple1 ... ok
[INFO] [stdout] test lexer::tests::quoted_escapes_backslash ... ok
[INFO] [stdout] test lexer::tests::tokens1 ... ok
[INFO] [stdout] test lexer::tests::tokens2 ... ok
[INFO] [stdout] test first::test::simple_indirection ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/perplex-08d9b3d27ec75c04
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tribble1-ac799130842de605
[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 4 tests
[INFO] [stdout] test simple4 ... ok
[INFO] [stdout] test simple3 ... ok
[INFO] [stderr]    Doc-tests perplex
[INFO] [stdout] test simple2 ... ok
[INFO] [stdout] test simple1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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" "85ce2176aabc14758b740c1541b9ab5934f98ca41f47942376744211c88325f3"`
[INFO] running `"docker" "rm" "-f" "85ce2176aabc14758b740c1541b9ab5934f98ca41f47942376744211c88325f3"`
[INFO] [stdout] 85ce2176aabc14758b740c1541b9ab5934f98ca41f47942376744211c88325f3