[INFO] fetching crate irondash_message_channel 0.8.0...
[INFO] checking irondash_message_channel-0.8.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate irondash_message_channel 0.8.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate irondash_message_channel 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate irondash_message_channel 0.8.0
[INFO] tweaked toml for crates.io crate irondash_message_channel 0.8.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate irondash_message_channel 0.8.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding core-foundation v0.9.4 (available: v0.10.1)
[INFO] [stderr]       Adding objc2 v0.5.2 (available: v0.6.2)
[INFO] [stderr]       Adding objc2-foundation v0.2.2 (available: v0.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded irondash_dart_ffi v0.2.0
[INFO] [stderr]   Downloaded irondash_engine_context v0.5.0
[INFO] [stderr]   Downloaded irondash_message_channel_derive v0.1.1
[INFO] [stderr]   Downloaded irondash_run_loop v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df4b20755278fd290c838b27723485deca951aef7e199efa15ba6c4cc8a293bc
[INFO] running `Command { std: "docker" "start" "-a" "df4b20755278fd290c838b27723485deca951aef7e199efa15ba6c4cc8a293bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df4b20755278fd290c838b27723485deca951aef7e199efa15ba6c4cc8a293bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df4b20755278fd290c838b27723485deca951aef7e199efa15ba6c4cc8a293bc", kill_on_drop: false }`
[INFO] [stdout] df4b20755278fd290c838b27723485deca951aef7e199efa15ba6c4cc8a293bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55e79c3e5c6848dd28bc1eea53857da08cdd129fd6802b108946c03489e58163
[INFO] running `Command { std: "docker" "start" "-a" "55e79c3e5c6848dd28bc1eea53857da08cdd129fd6802b108946c03489e58163", kill_on_drop: false }`
[INFO] [stderr]     Checking irondash_engine_context v0.5.0
[INFO] [stderr]     Checking irondash_dart_ffi v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking irondash_run_loop v0.6.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking irondash_message_channel v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/event_channel.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn borrow(&self) -> Ref<T> {
[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] 74 |     pub fn borrow(&self) -> Ref<'_, T> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/event_channel.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn borrow_mut(&self) -> RefMut<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn borrow_mut(&self) -> RefMut<'_, T> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/event_channel.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn borrow(&self) -> Ref<T> {
[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] 74 |     pub fn borrow(&self) -> Ref<'_, T> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/event_channel.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn borrow_mut(&self) -> RefMut<T> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn borrow_mut(&self) -> RefMut<'_, T> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "55e79c3e5c6848dd28bc1eea53857da08cdd129fd6802b108946c03489e58163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e79c3e5c6848dd28bc1eea53857da08cdd129fd6802b108946c03489e58163", kill_on_drop: false }`
[INFO] [stdout] 55e79c3e5c6848dd28bc1eea53857da08cdd129fd6802b108946c03489e58163