[INFO] fetching crate poison-guard 0.1.0...
[INFO] checking poison-guard-0.1.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate poison-guard 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate poison-guard 0.1.0
[INFO] finished tweaking crates.io crate poison-guard 0.1.0
[INFO] tweaked toml for crates.io crate poison-guard 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate poison-guard 0.1.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate poison-guard 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded toml v0.5.8
[INFO] [stderr]   Downloaded tokio-macros v1.1.0
[INFO] [stderr]   Downloaded smallvec v0.1.8
[INFO] [stderr]   Downloaded trybuild v1.0.40
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded lock_api v0.4.6
[INFO] [stderr]   Downloaded parking_lot v0.11.2
[INFO] [stderr]   Downloaded serde v1.0.123
[INFO] [stderr]   Downloaded serde_derive v1.0.123
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded ntapi v0.3.7
[INFO] [stderr]   Downloaded parking_lot v0.1.3
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.5
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded tokio v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0851a7b90d85b27ac28dae4679d7db85a6acccfd4753f811af68c4cb1dc203e
[INFO] running `Command { std: "docker" "start" "-a" "b0851a7b90d85b27ac28dae4679d7db85a6acccfd4753f811af68c4cb1dc203e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0851a7b90d85b27ac28dae4679d7db85a6acccfd4753f811af68c4cb1dc203e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0851a7b90d85b27ac28dae4679d7db85a6acccfd4753f811af68c4cb1dc203e", kill_on_drop: false }`
[INFO] [stdout] b0851a7b90d85b27ac28dae4679d7db85a6acccfd4753f811af68c4cb1dc203e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a3033d9d1c37aa267bd0276c5d5f942a70dff979b68baab63e79cdbc7f9df64
[INFO] running `Command { std: "docker" "start" "-a" "5a3033d9d1c37aa267bd0276c5d5f942a70dff979b68baab63e79cdbc7f9df64", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling trybuild v1.0.40
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking poison-guard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking parking_lot v0.1.3
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/poison.rs:291:16
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn get(&self) -> Result<&T, PoisonRecover<T, &Self>> {
[INFO] [stdout]     |                ^^^^^            ^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                |                |   |                |
[INFO] [stdout]     |                |                |   |                the same lifetime is elided here
[INFO] [stdout]     |                |                |   the same lifetime is hidden here
[INFO] [stdout]     |                |                the same lifetime is elided here
[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] 291 |     pub fn get(&self) -> Result<&T, PoisonRecover<'_, T, &Self>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/poison.rs:291:16
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn get(&self) -> Result<&T, PoisonRecover<T, &Self>> {
[INFO] [stdout]     |                ^^^^^            ^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                |                |   |                |
[INFO] [stdout]     |                |                |   |                the same lifetime is elided here
[INFO] [stdout]     |                |                |   the same lifetime is hidden here
[INFO] [stdout]     |                |                the same lifetime is elided here
[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] 291 |     pub fn get(&self) -> Result<&T, PoisonRecover<'_, T, &Self>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.40s
[INFO] running `Command { std: "docker" "inspect" "5a3033d9d1c37aa267bd0276c5d5f942a70dff979b68baab63e79cdbc7f9df64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3033d9d1c37aa267bd0276c5d5f942a70dff979b68baab63e79cdbc7f9df64", kill_on_drop: false }`
[INFO] [stdout] 5a3033d9d1c37aa267bd0276c5d5f942a70dff979b68baab63e79cdbc7f9df64