[INFO] updating cached repository supercurio/rust-tokio-signal-help
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/supercurio/rust-tokio-signal-help
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/supercurio/rust-tokio-signal-help" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/supercurio/rust-tokio-signal-help"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/supercurio/rust-tokio-signal-help'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/supercurio/rust-tokio-signal-help" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/supercurio/rust-tokio-signal-help"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/supercurio/rust-tokio-signal-help'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33592bb09691f1456ba9909de9263d90fa5e7542
[INFO] sha for GitHub repo supercurio/rust-tokio-signal-help: 33592bb09691f1456ba9909de9263d90fa5e7542
[INFO] validating manifest of supercurio/rust-tokio-signal-help 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 supercurio/rust-tokio-signal-help 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 supercurio/rust-tokio-signal-help
[INFO] finished frobbing supercurio/rust-tokio-signal-help
[INFO] frobbed toml for supercurio/rust-tokio-signal-help written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/supercurio/rust-tokio-signal-help/Cargo.toml
[INFO] started frobbing supercurio/rust-tokio-signal-help
[INFO] finished frobbing supercurio/rust-tokio-signal-help
[INFO] frobbed toml for supercurio/rust-tokio-signal-help written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/supercurio/rust-tokio-signal-help/Cargo.toml
[INFO] crate supercurio/rust-tokio-signal-help 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 supercurio/rust-tokio-signal-help against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/supercurio/rust-tokio-signal-help:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5c157bada3d76b9944ea1fec485128a86242ea01738a927aa250344ab6831ab1
[INFO] running `"docker" "start" "-a" "5c157bada3d76b9944ea1fec485128a86242ea01738a927aa250344ab6831ab1"`
[INFO] [stderr]     Checking futures v0.1.13
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking net2 v0.2.27
[INFO] [stderr]     Checking bytes v0.4.2
[INFO] [stderr]     Checking mio v0.6.6
[INFO] [stderr]     Checking mio-uds v0.6.4
[INFO] [stderr]     Checking tokio-io v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.6
[INFO] [stderr]     Checking tokio-signal v0.1.2
[INFO] [stderr]     Checking tokio-signal-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `sigterm`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let sigterm = sigint_imp(&core.handle());
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_sigterm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sigterm_imp`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn sigterm_imp(handle: &Handle) -> IoFuture<IoStream<()>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sigterm`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let sigterm = sigint_imp(&core.handle());
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_sigterm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sigterm_imp`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn sigterm_imp(handle: &Handle) -> IoFuture<IoStream<()>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.08s
[INFO] running `"docker" "inspect" "5c157bada3d76b9944ea1fec485128a86242ea01738a927aa250344ab6831ab1"`
[INFO] running `"docker" "rm" "-f" "5c157bada3d76b9944ea1fec485128a86242ea01738a927aa250344ab6831ab1"`
[INFO] [stdout] 5c157bada3d76b9944ea1fec485128a86242ea01738a927aa250344ab6831ab1