[INFO] updating cached repository Nobuyuki-Tokuchi/cent_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Nobuyuki-Tokuchi/cent_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Nobuyuki-Tokuchi/cent_rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/Nobuyuki-Tokuchi/cent_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Nobuyuki-Tokuchi/cent_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nobuyuki-Tokuchi/cent_rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Nobuyuki-Tokuchi/cent_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Nobuyuki-Tokuchi/cent_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 45872c159b0064bda839464ee4f63fd66b839767
[INFO] sha for GitHub repo Nobuyuki-Tokuchi/cent_rust: 45872c159b0064bda839464ee4f63fd66b839767
[INFO] validating manifest of Nobuyuki-Tokuchi/cent_rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Nobuyuki-Tokuchi/cent_rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Nobuyuki-Tokuchi/cent_rust
[INFO] finished frobbing Nobuyuki-Tokuchi/cent_rust
[INFO] frobbed toml for Nobuyuki-Tokuchi/cent_rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/Nobuyuki-Tokuchi/cent_rust/Cargo.toml
[INFO] started frobbing Nobuyuki-Tokuchi/cent_rust
[INFO] finished frobbing Nobuyuki-Tokuchi/cent_rust
[INFO] frobbed toml for Nobuyuki-Tokuchi/cent_rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Nobuyuki-Tokuchi/cent_rust/Cargo.toml
[INFO] crate Nobuyuki-Tokuchi/cent_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Nobuyuki-Tokuchi/cent_rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Nobuyuki-Tokuchi/cent_rust:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f88dc3c3b692ae2816368f1b77748423ad9b2709dee1c15dbf4d028a8c63204b
[INFO] running `"docker" "start" "-a" "f88dc3c3b692ae2816368f1b77748423ad9b2709dee1c15dbf4d028a8c63204b"`
[INFO] [stderr]    Compiling cent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cent/sh2003lk.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |             let mut count = state.label_count.get_mut(operation.as_str()).unwrap();
[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/cent/sh2003lk.rs:187:17
[INFO] [stderr]     |
[INFO] [stderr] 187 |             let mut count = state.label_count.get_mut(operation.as_str()).unwrap();
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cent/sh2003lk.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |             let mut count = state.label_count.get_mut(operation.as_str()).unwrap();
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `"docker" "inspect" "f88dc3c3b692ae2816368f1b77748423ad9b2709dee1c15dbf4d028a8c63204b"`
[INFO] running `"docker" "rm" "-f" "f88dc3c3b692ae2816368f1b77748423ad9b2709dee1c15dbf4d028a8c63204b"`
[INFO] [stdout] f88dc3c3b692ae2816368f1b77748423ad9b2709dee1c15dbf4d028a8c63204b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Nobuyuki-Tokuchi/cent_rust:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9829ca5f8432f42fc0c3d380b132884ec575bac42c9d10da8988aa8e6f62f63f
[INFO] running `"docker" "start" "-a" "9829ca5f8432f42fc0c3d380b132884ec575bac42c9d10da8988aa8e6f62f63f"`
[INFO] [stderr]    Compiling cent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cent/sh2003lk.rs:165:17
[INFO] [stderr]     |
[INFO] [stderr] 165 |             let mut count = state.label_count.get_mut(operation.as_str()).unwrap();
[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/cent/sh2003lk.rs:187:17
[INFO] [stderr]     |
[INFO] [stderr] 187 |             let mut count = state.label_count.get_mut(operation.as_str()).unwrap();
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cent/sh2003lk.rs:227:17
[INFO] [stderr]     |
[INFO] [stderr] 227 |             let mut count = state.label_count.get_mut(operation.as_str()).unwrap();
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "9829ca5f8432f42fc0c3d380b132884ec575bac42c9d10da8988aa8e6f62f63f"`
[INFO] running `"docker" "rm" "-f" "9829ca5f8432f42fc0c3d380b132884ec575bac42c9d10da8988aa8e6f62f63f"`
[INFO] [stdout] 9829ca5f8432f42fc0c3d380b132884ec575bac42c9d10da8988aa8e6f62f63f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Nobuyuki-Tokuchi/cent_rust:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1df83a46ac919c8027aef8c1fc0664a7222d337e9aa9585c9b948849460ca0ab
[INFO] running `"docker" "start" "-a" "1df83a46ac919c8027aef8c1fc0664a7222d337e9aa9585c9b948849460ca0ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cent-2a752cb1cf3081c0
[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" "1df83a46ac919c8027aef8c1fc0664a7222d337e9aa9585c9b948849460ca0ab"`
[INFO] running `"docker" "rm" "-f" "1df83a46ac919c8027aef8c1fc0664a7222d337e9aa9585c9b948849460ca0ab"`
[INFO] [stdout] 1df83a46ac919c8027aef8c1fc0664a7222d337e9aa9585c9b948849460ca0ab