[INFO] cloning repository https://github.com/openkylin/rust-signal-hook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/openkylin/rust-signal-hook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenkylin%2Frust-signal-hook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenkylin%2Frust-signal-hook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0ce4bf8e7642236b4d1b3784b1ecb13df2a35ef
[INFO] checking openkylin/rust-signal-hook against try#f93f9bd1edfdb032bbf1c02773329541b22aa5a7 for pr-150727-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenkylin%2Frust-signal-hook" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/openkylin/rust-signal-hook
[INFO] finished tweaking git repo https://github.com/openkylin/rust-signal-hook
[INFO] tweaked toml for git repo https://github.com/openkylin/rust-signal-hook written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/openkylin/rust-signal-hook on toolchain f93f9bd1edfdb032bbf1c02773329541b22aa5a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/openkylin/rust-signal-hook already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding dashmap v5.3.4 (available: v5.5.3)
[INFO] [stderr]       Adding futures v0.3.31
[INFO] [stderr]       Adding futures-channel v0.3.31
[INFO] [stderr]       Adding futures-core v0.3.31
[INFO] [stderr]       Adding futures-executor v0.3.31
[INFO] [stderr]       Adding futures-io v0.3.31
[INFO] [stderr]       Adding futures-sink v0.3.31
[INFO] [stderr]       Adding futures-task v0.3.31
[INFO] [stderr]       Adding futures-util v0.3.31
[INFO] [stderr]       Adding hashbrown v0.12.3
[INFO] [stderr]       Adding memchr v2.7.6
[INFO] [stderr]       Adding pin-project-lite v0.2.16
[INFO] [stderr]       Adding pin-utils v0.1.0
[INFO] [stderr]     Updating proc-macro2 v1.0.39 -> v1.0.105
[INFO] [stderr]     Updating quote v1.0.18 -> v1.0.43
[INFO] [stderr]     Updating serial_test v0.7.0 -> v2.0.0 (available: v3.3.1)
[INFO] [stderr]     Updating serial_test_derive v0.7.0 -> v2.0.0
[INFO] [stderr]       Adding slab v0.4.11
[INFO] [stderr]     Updating syn v1.0.96 -> v2.0.114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 275d64dd52841235224af02abc8cb520c0a7c1d17dad6034fcb146a7fb7dc7c0
[INFO] running `Command { std: "docker" "start" "-a" "275d64dd52841235224af02abc8cb520c0a7c1d17dad6034fcb146a7fb7dc7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "275d64dd52841235224af02abc8cb520c0a7c1d17dad6034fcb146a7fb7dc7c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275d64dd52841235224af02abc8cb520c0a7c1d17dad6034fcb146a7fb7dc7c0", kill_on_drop: false }`
[INFO] [stdout] 275d64dd52841235224af02abc8cb520c0a7c1d17dad6034fcb146a7fb7dc7c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+f93f9bd1edfdb032bbf1c02773329541b22aa5a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0dff6b3c6b3737da5aa9fbd5843437a2adbd59ef0bf2d0d567011535fa01e49d
[INFO] running `Command { std: "docker" "start" "-a" "0dff6b3c6b3737da5aa9fbd5843437a2adbd59ef0bf2d0d567011535fa01e49d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling signal-hook v0.3.17 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking dashmap v5.3.4
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/iterator/mod.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn forever(&mut self) -> Forever<E> {
[INFO] [stdout]     |                    ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn forever(&mut self) -> Forever<'_, E> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]     Checking serial_test v2.0.0
[INFO] [stdout] warning: unused import: `std::io::ErrorKind`
[INFO] [stdout]  --> examples/print.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::ErrorKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/iterator/mod.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn forever(&mut self) -> Forever<E> {
[INFO] [stdout]     |                    ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 268 |     pub fn forever(&mut self) -> Forever<'_, E> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.29s
[INFO] running `Command { std: "docker" "inspect" "0dff6b3c6b3737da5aa9fbd5843437a2adbd59ef0bf2d0d567011535fa01e49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dff6b3c6b3737da5aa9fbd5843437a2adbd59ef0bf2d0d567011535fa01e49d", kill_on_drop: false }`
[INFO] [stdout] 0dff6b3c6b3737da5aa9fbd5843437a2adbd59ef0bf2d0d567011535fa01e49d