[INFO] cloning repository supercurio/rust-tokio-signal-help
[INFO] running `"git" "clone" "--bare" "git://github.com/supercurio/rust-tokio-signal-help.git" "work/cache/sources/gh/supercurio/rust-tokio-signal-help"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/supercurio/rust-tokio-signal-help'...
[INFO] running `"git" "clone" "work/cache/sources/gh/supercurio/rust-tokio-signal-help" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/supercurio/rust-tokio-signal-help"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/supercurio/rust-tokio-signal-help"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of supercurio/rust-tokio-signal-help on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-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-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking supercurio/rust-tokio-signal-help against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/supercurio/rust-tokio-signal-help:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b22c47d82a5ba49aa4af1a202d9f90bb4c33b5ceacf959b0070f0d87fccc3882
[INFO] running `"docker" "start" "-a" "b22c47d82a5ba49aa4af1a202d9f90bb4c33b5ceacf959b0070f0d87fccc3882"`
[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 tokio-io v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.4
[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 5.84s
[INFO] running `"docker" "inspect" "b22c47d82a5ba49aa4af1a202d9f90bb4c33b5ceacf959b0070f0d87fccc3882"`
[INFO] running `"docker" "rm" "-f" "b22c47d82a5ba49aa4af1a202d9f90bb4c33b5ceacf959b0070f0d87fccc3882"`
[INFO] [stdout] b22c47d82a5ba49aa4af1a202d9f90bb4c33b5ceacf959b0070f0d87fccc3882