[INFO] updating cached repository Arkanosis/vstatus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Arkanosis/vstatus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Arkanosis/vstatus" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Arkanosis/vstatus"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Arkanosis/vstatus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Arkanosis/vstatus" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Arkanosis/vstatus"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Arkanosis/vstatus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d5f92de53ed11b761558ef8bf801e3a0e24257c0
[INFO] sha for GitHub repo Arkanosis/vstatus: d5f92de53ed11b761558ef8bf801e3a0e24257c0
[INFO] validating manifest of Arkanosis/vstatus on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Arkanosis/vstatus on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Arkanosis/vstatus
[INFO] finished frobbing Arkanosis/vstatus
[INFO] frobbed toml for Arkanosis/vstatus written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Arkanosis/vstatus/Cargo.toml
[INFO] started frobbing Arkanosis/vstatus
[INFO] finished frobbing Arkanosis/vstatus
[INFO] frobbed toml for Arkanosis/vstatus written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Arkanosis/vstatus/Cargo.toml
[INFO] crate Arkanosis/vstatus already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Arkanosis/vstatus against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Arkanosis/vstatus:/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=forbid" "-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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 14d24e27574a541c7d4483ad5f643d20531d2d86b3e3219c6f742b408cb6a0d6
[INFO] running `"docker" "start" "-a" "14d24e27574a541c7d4483ad5f643d20531d2d86b3e3219c6f742b408cb6a0d6"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking memchr v2.1.3
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]     Checking docopt v1.0.2
[INFO] [stderr]     Checking vstatus v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `format`
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(format: &str) -> i32 {
[INFO] [stderr]   |            ^^^^^^ help: consider prefixing with an underscore: `_format`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `format`
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(format: &str) -> i32 {
[INFO] [stderr]   |            ^^^^^^ help: consider prefixing with an underscore: `_format`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.69s
[INFO] running `"docker" "inspect" "14d24e27574a541c7d4483ad5f643d20531d2d86b3e3219c6f742b408cb6a0d6"`
[INFO] running `"docker" "rm" "-f" "14d24e27574a541c7d4483ad5f643d20531d2d86b3e3219c6f742b408cb6a0d6"`
[INFO] [stdout] 14d24e27574a541c7d4483ad5f643d20531d2d86b3e3219c6f742b408cb6a0d6