[INFO] fetching crate ptrscan 1.0.0...
[INFO] checking ptrscan-1.0.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate ptrscan 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ptrscan 1.0.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptrscan 1.0.0
[INFO] finished tweaking crates.io crate ptrscan 1.0.0
[INFO] tweaked toml for crates.io crate ptrscan 1.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d1f2e91e55da123af03474f3fd151ab0fcb26d49bd47c816020bf742acaf46f
[INFO] running `Command { std: "docker" "start" "-a" "3d1f2e91e55da123af03474f3fd151ab0fcb26d49bd47c816020bf742acaf46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d1f2e91e55da123af03474f3fd151ab0fcb26d49bd47c816020bf742acaf46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1f2e91e55da123af03474f3fd151ab0fcb26d49bd47c816020bf742acaf46f", kill_on_drop: false }`
[INFO] [stdout] 3d1f2e91e55da123af03474f3fd151ab0fcb26d49bd47c816020bf742acaf46f
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a082997b10a88a9a57a67a56cdac1f02ea5debf583e908070d4c7e4082f632a9
[INFO] running `Command { std: "docker" "start" "-a" "a082997b10a88a9a57a67a56cdac1f02ea5debf583e908070d4c7e4082f632a9", kill_on_drop: false }`
[INFO] [stderr]     Checking ptrscan v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 ControlFlow::Break(b) => ControlFlow::Break(b),
[INFO] [stdout]    |                 --------------------- matches all the relevant values
[INFO] [stdout] 53 |                 _ => 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:107:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 Err(e) => Err(From::from(e)),
[INFO] [stdout]     |                 ------ matches all the relevant values
[INFO] [stdout] 107 |                 _ => 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:53:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 ControlFlow::Break(b) => ControlFlow::Break(b),
[INFO] [stdout]    |                 --------------------- matches all the relevant values
[INFO] [stdout] 53 |                 _ => 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:107:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 Err(e) => Err(From::from(e)),
[INFO] [stdout]     |                 ------ matches all the relevant values
[INFO] [stdout] 107 |                 _ => unsafe { core::hint::unreachable_unchecked() },
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "a082997b10a88a9a57a67a56cdac1f02ea5debf583e908070d4c7e4082f632a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a082997b10a88a9a57a67a56cdac1f02ea5debf583e908070d4c7e4082f632a9", kill_on_drop: false }`
[INFO] [stdout] a082997b10a88a9a57a67a56cdac1f02ea5debf583e908070d4c7e4082f632a9