[INFO] fetching crate stable_try_trait_v2 1.75.1...
[INFO] checking stable_try_trait_v2-1.75.1 against try#0edd13c68435d50367c79cef43ac2768d2ec4f3d for pr-129422
[INFO] extracting crate stable_try_trait_v2 1.75.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate stable_try_trait_v2 1.75.1 on toolchain 0edd13c68435d50367c79cef43ac2768d2ec4f3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stable_try_trait_v2 1.75.1
[INFO] finished tweaking crates.io crate stable_try_trait_v2 1.75.1
[INFO] tweaked toml for crates.io crate stable_try_trait_v2 1.75.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50185f5eda3678a332f3f6b355667d72c3541c02412a43365a1932c00b18d6d1
[INFO] running `Command { std: "docker" "start" "-a" "50185f5eda3678a332f3f6b355667d72c3541c02412a43365a1932c00b18d6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50185f5eda3678a332f3f6b355667d72c3541c02412a43365a1932c00b18d6d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50185f5eda3678a332f3f6b355667d72c3541c02412a43365a1932c00b18d6d1", kill_on_drop: false }`
[INFO] [stdout] 50185f5eda3678a332f3f6b355667d72c3541c02412a43365a1932c00b18d6d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0edd13c68435d50367c79cef43ac2768d2ec4f3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 359c842a19083ced18fb31d3b181e3983e8eed5facb83deb82b3c2d9f2ff11df
[INFO] running `Command { std: "docker" "start" "-a" "359c842a19083ced18fb31d3b181e3983e8eed5facb83deb82b3c2d9f2ff11df", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_try_trait_v2 v1.75.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             ControlFlow::Break(b) => ControlFlow::Break(b),
[INFO] [stdout]     |             --------------------- matches all the relevant values
[INFO] [stdout] 117 |             _ => unsafe { core::hint::unreachable_unchecked() },
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |             Err(e) => Err(From::from(e)),
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] 171 |             _ => unsafe { core::hint::unreachable_unchecked() },
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             ControlFlow::Break(b) => ControlFlow::Break(b),
[INFO] [stdout]     |             --------------------- matches all the relevant values
[INFO] [stdout] 117 |             _ => unsafe { core::hint::unreachable_unchecked() },
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             Err(e) => Poll::Ready(Err(From::from(e))),
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] 200 |             _ => unsafe { core::hint::unreachable_unchecked() },
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |             Err(e) => Poll::Ready(Some(Err(From::from(e)))),
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] 229 |             _ => unsafe { core::hint::unreachable_unchecked() },
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |             Err(e) => Err(From::from(e)),
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] 171 |             _ => unsafe { core::hint::unreachable_unchecked() },
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 199 |             Err(e) => Poll::Ready(Err(From::from(e))),
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] 200 |             _ => unsafe { core::hint::unreachable_unchecked() },
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |             Err(e) => Poll::Ready(Some(Err(From::from(e)))),
[INFO] [stdout]     |             ------ matches all the relevant values
[INFO] [stdout] 229 |             _ => unsafe { core::hint::unreachable_unchecked() },
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "359c842a19083ced18fb31d3b181e3983e8eed5facb83deb82b3c2d9f2ff11df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359c842a19083ced18fb31d3b181e3983e8eed5facb83deb82b3c2d9f2ff11df", kill_on_drop: false }`
[INFO] [stdout] 359c842a19083ced18fb31d3b181e3983e8eed5facb83deb82b3c2d9f2ff11df