[INFO] updating cached repository https://github.com/vintersnow/edit_distance.rs
[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] 4a2914343119708430980c38346a214fdfe9d155
[INFO] testing vintersnow/edit_distance.rs against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvintersnow%2Fedit_distance.rs" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vintersnow/edit_distance.rs on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vintersnow/edit_distance.rs
[INFO] finished tweaking git repo https://github.com/vintersnow/edit_distance.rs
[INFO] tweaked toml for git repo https://github.com/vintersnow/edit_distance.rs written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/vintersnow/edit_distance.rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] a260a3c54c60d2c0a5ccd52798118f7be4481308a2e96daffba9832635ebfa29
[INFO] running `"docker" "start" "-a" "a260a3c54c60d2c0a5ccd52798118f7be4481308a2e96daffba9832635ebfa29"`
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling edit_distance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let mut v: Vec<u32> = vec![0; s2.len()];
[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 2.97s
[INFO] running `"docker" "inspect" "a260a3c54c60d2c0a5ccd52798118f7be4481308a2e96daffba9832635ebfa29"`
[INFO] running `"docker" "rm" "-f" "a260a3c54c60d2c0a5ccd52798118f7be4481308a2e96daffba9832635ebfa29"`
[INFO] [stdout] a260a3c54c60d2c0a5ccd52798118f7be4481308a2e96daffba9832635ebfa29
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 46e80b4dd1b87d40d694e047fbd5356162d65b005a8c3f14c3cee0b0f595592d
[INFO] running `"docker" "start" "-a" "46e80b4dd1b87d40d694e047fbd5356162d65b005a8c3f14c3cee0b0f595592d"`
[INFO] [stderr]    Compiling edit_distance v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let mut v: Vec<u32> = vec![0; s2.len()];
[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 0.30s
[INFO] running `"docker" "inspect" "46e80b4dd1b87d40d694e047fbd5356162d65b005a8c3f14c3cee0b0f595592d"`
[INFO] running `"docker" "rm" "-f" "46e80b4dd1b87d40d694e047fbd5356162d65b005a8c3f14c3cee0b0f595592d"`
[INFO] [stdout] 46e80b4dd1b87d40d694e047fbd5356162d65b005a8c3f14c3cee0b0f595592d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] b7f1253ba0dffb82603c580fa9b009d1a4b4b9efcb31bb9ed5d66932dbb1598d
[INFO] running `"docker" "start" "-a" "b7f1253ba0dffb82603c580fa9b009d1a4b4b9efcb31bb9ed5d66932dbb1598d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/edit_distance-a884c96ec2f909e3
[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" "b7f1253ba0dffb82603c580fa9b009d1a4b4b9efcb31bb9ed5d66932dbb1598d"`
[INFO] running `"docker" "rm" "-f" "b7f1253ba0dffb82603c580fa9b009d1a4b4b9efcb31bb9ed5d66932dbb1598d"`
[INFO] [stdout] b7f1253ba0dffb82603c580fa9b009d1a4b4b9efcb31bb9ed5d66932dbb1598d