[INFO] fetching crate vt-muxer 0.1.0...
[INFO] checking vt-muxer-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate vt-muxer 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate vt-muxer 0.1.0
[INFO] finished tweaking crates.io crate vt-muxer 0.1.0
[INFO] tweaked toml for crates.io crate vt-muxer 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vt-muxer 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vt-muxer 0.1.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce0532658fc9c440f1b995f1ee2bd236de730eb4aa76a1740f704a2dee9ef45e
[INFO] running `Command { std: "docker" "start" "-a" "ce0532658fc9c440f1b995f1ee2bd236de730eb4aa76a1740f704a2dee9ef45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce0532658fc9c440f1b995f1ee2bd236de730eb4aa76a1740f704a2dee9ef45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0532658fc9c440f1b995f1ee2bd236de730eb4aa76a1740f704a2dee9ef45e", kill_on_drop: false }`
[INFO] [stdout] ce0532658fc9c440f1b995f1ee2bd236de730eb4aa76a1740f704a2dee9ef45e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4afae3d591fd2f0c714a4f9058a62c3e525e1ba34a67b25b2a1c1c282c621d5e
[INFO] running `Command { std: "docker" "start" "-a" "4afae3d591fd2f0c714a4f9058a62c3e525e1ba34a67b25b2a1c1c282c621d5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand_xoshiro v0.7.0
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling bytemuck_derive v1.9.3
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking bytemuck v1.23.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking vt-muxer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/poll_mutex.rs:73:23
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub async fn lock(&mut self) -> MaybeOwnedGuard<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] 73 |     pub async fn lock(&mut self) -> MaybeOwnedGuard<'_, T> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:316:19
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn lock(self: &Arc<Self>) -> ReaderLock {
[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] 316 |     fn lock(self: &Arc<Self>) -> ReaderLock<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/poll_mutex.rs:73:23
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub async fn lock(&mut self) -> MaybeOwnedGuard<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] 73 |     pub async fn lock(&mut self) -> MaybeOwnedGuard<'_, T> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:316:19
[INFO] [stdout]     |
[INFO] [stdout] 316 |     fn lock(self: &Arc<Self>) -> ReaderLock {
[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] 316 |     fn lock(self: &Arc<Self>) -> ReaderLock<'_> {
[INFO] [stdout]     |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "4afae3d591fd2f0c714a4f9058a62c3e525e1ba34a67b25b2a1c1c282c621d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afae3d591fd2f0c714a4f9058a62c3e525e1ba34a67b25b2a1c1c282c621d5e", kill_on_drop: false }`
[INFO] [stdout] 4afae3d591fd2f0c714a4f9058a62c3e525e1ba34a67b25b2a1c1c282c621d5e