[INFO] updating cached repository https://github.com/sbwtw/regex-gen
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a703acd1984705229cb1706a2ebcaaa37ed9bf1e
[INFO] testing sbwtw/regex-gen against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbwtw%2Fregex-gen" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sbwtw/regex-gen 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 git repo https://github.com/sbwtw/regex-gen
[INFO] finished tweaking git repo https://github.com/sbwtw/regex-gen
[INFO] tweaked toml for git repo https://github.com/sbwtw/regex-gen written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sbwtw/regex-gen already has a lockfile, it will not be regenerated
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] bc779eade20c724b5934343fd0a9076e094954fa7765059bf07ed7e8f2c0f709
[INFO] running `"docker" "start" "-a" "bc779eade20c724b5934343fd0a9076e094954fa7765059bf07ed7e8f2c0f709"`
[INFO] [stderr]    Compiling regex-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transtable.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |         for (_, mut edges) in self.trans.iter_mut() {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "bc779eade20c724b5934343fd0a9076e094954fa7765059bf07ed7e8f2c0f709"`
[INFO] running `"docker" "rm" "-f" "bc779eade20c724b5934343fd0a9076e094954fa7765059bf07ed7e8f2c0f709"`
[INFO] [stdout] bc779eade20c724b5934343fd0a9076e094954fa7765059bf07ed7e8f2c0f709
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 8b4bb4283f0cf6824f804e0feab2fdfd865978bf676303dd232c648cef8d6b09
[INFO] running `"docker" "start" "-a" "8b4bb4283f0cf6824f804e0feab2fdfd865978bf676303dd232c648cef8d6b09"`
[INFO] [stderr]    Compiling regex-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/transtable.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |         for (_, mut edges) in self.trans.iter_mut() {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `"docker" "inspect" "8b4bb4283f0cf6824f804e0feab2fdfd865978bf676303dd232c648cef8d6b09"`
[INFO] running `"docker" "rm" "-f" "8b4bb4283f0cf6824f804e0feab2fdfd865978bf676303dd232c648cef8d6b09"`
[INFO] [stdout] 8b4bb4283f0cf6824f804e0feab2fdfd865978bf676303dd232c648cef8d6b09
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 5f4e6d1ee06d90c4b1576931a7b97495965892845ab29bf5565606648c91e005
[INFO] running `"docker" "start" "-a" "5f4e6d1ee06d90c4b1576931a7b97495965892845ab29bf5565606648c91e005"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/regex_gen-2bb55ba55b0f4cf4
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test regex_gen::test::test_parse ... ok
[INFO] [stdout] test node::test::test_edge_intersect ... ok
[INFO] [stdout] test node::test::test_edge_match_character ... ok
[INFO] [stdout] test execute_engine::test::test_execute_not ... ok
[INFO] [stdout] test transtable::test::test_epsilon_move ... ok
[INFO] [stdout] test dot_graph::test::test_dot_graph ... ok
[INFO] [stdout] test transtable::test::test_cut_epsilon ... ok
[INFO] [stdout] test execute_engine::test::test_execute_engine ... ok
[INFO] [stdout] test regex_gen::test::test_print_graph ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests regex_gen
[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" "5f4e6d1ee06d90c4b1576931a7b97495965892845ab29bf5565606648c91e005"`
[INFO] running `"docker" "rm" "-f" "5f4e6d1ee06d90c4b1576931a7b97495965892845ab29bf5565606648c91e005"`
[INFO] [stdout] 5f4e6d1ee06d90c4b1576931a7b97495965892845ab29bf5565606648c91e005