[INFO] fetching crate jobslot 0.2.19...
[INFO] checking jobslot-0.2.19 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate jobslot 0.2.19 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate jobslot 0.2.19 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jobslot 0.2.19
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate jobslot 0.2.19
[INFO] tweaked toml for crates.io crate jobslot 0.2.19 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_destructure2 v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1aed5eec3ed48faecb25f210472c7998411b4e11d4abaf1f016dcfb7746170fd
[INFO] running `Command { std: "docker" "start" "-a" "1aed5eec3ed48faecb25f210472c7998411b4e11d4abaf1f016dcfb7746170fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aed5eec3ed48faecb25f210472c7998411b4e11d4abaf1f016dcfb7746170fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aed5eec3ed48faecb25f210472c7998411b4e11d4abaf1f016dcfb7746170fd", kill_on_drop: false }`
[INFO] [stdout] 1aed5eec3ed48faecb25f210472c7998411b4e11d4abaf1f016dcfb7746170fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d249d5b0c7571c674847a46b9f54cfdbfc8e0a44e433a8423539d5372411498
[INFO] running `Command { std: "docker" "start" "-a" "0d249d5b0c7571c674847a46b9f54cfdbfc8e0a44e433a8423539d5372411498", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking lock_api v0.4.12
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling derive_destructure2 v0.1.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking jobslot v0.2.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:713:13
[INFO] [stdout]     |
[INFO] [stdout] 713 |             _ => unreachable!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lib.rs:713:13
[INFO] [stdout]     |
[INFO] [stdout] 704 |             Self::IncompatibleWithOlderMake(_) => f.write_str(
[INFO] [stdout]     |             ---------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 711 |             Self::IoError(io_error) => write!(f, "io error: {}", io_error),
[INFO] [stdout]     |             ----------------------- matches some of the same values
[INFO] [stdout] 712 |
[INFO] [stdout] 713 |             _ => unreachable!(),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:713:13
[INFO] [stdout]     |
[INFO] [stdout] 713 |             _ => unreachable!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lib.rs:713:13
[INFO] [stdout]     |
[INFO] [stdout] 704 |             Self::IncompatibleWithOlderMake(_) => f.write_str(
[INFO] [stdout]     |             ---------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 711 |             Self::IoError(io_error) => write!(f, "io error: {}", io_error),
[INFO] [stdout]     |             ----------------------- matches some of the same values
[INFO] [stdout] 712 |
[INFO] [stdout] 713 |             _ => unreachable!(),
[INFO] [stdout]     |             ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `Command { std: "docker" "inspect" "0d249d5b0c7571c674847a46b9f54cfdbfc8e0a44e433a8423539d5372411498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d249d5b0c7571c674847a46b9f54cfdbfc8e0a44e433a8423539d5372411498", kill_on_drop: false }`
[INFO] [stdout] 0d249d5b0c7571c674847a46b9f54cfdbfc8e0a44e433a8423539d5372411498