[INFO] fetching crate iso-639 0.1.0...
[INFO] checking iso-639-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate iso-639 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate iso-639 0.1.0
[INFO] finished tweaking crates.io crate iso-639 0.1.0
[INFO] tweaked toml for crates.io crate iso-639 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iso-639 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fba6789e4c542c720e2b58414ce35cfc035c283c3e62eacb31b1e6b26201ea3
[INFO] running `Command { std: "docker" "start" "-a" "8fba6789e4c542c720e2b58414ce35cfc035c283c3e62eacb31b1e6b26201ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fba6789e4c542c720e2b58414ce35cfc035c283c3e62eacb31b1e6b26201ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fba6789e4c542c720e2b58414ce35cfc035c283c3e62eacb31b1e6b26201ea3", kill_on_drop: false }`
[INFO] [stdout] 8fba6789e4c542c720e2b58414ce35cfc035c283c3e62eacb31b1e6b26201ea3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c4085de68f61080ef1b4f54566b7ff53d77b0f02ac00f1e9e19616df051df96
[INFO] running `Command { std: "docker" "start" "-a" "8c4085de68f61080ef1b4f54566b7ff53d77b0f02ac00f1e9e19616df051df96", kill_on_drop: false }`
[INFO] [stderr]     Checking iso-639 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/languages.rs:3612:13
[INFO] [stdout]      |
[INFO] [stdout] 3612 |             _ => None,
[INFO] [stdout]      |             ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/languages.rs:3612:13
[INFO] [stdout]      |
[INFO] [stdout] 3126 |             Language::Abkhazian => Some("abk"),
[INFO] [stdout]      |             ------------------- matches some of the same values
[INFO] [stdout] 3127 |             Language::Achinese => Some("ace"),
[INFO] [stdout]      |             ------------------ matches some of the same values
[INFO] [stdout] 3128 |             Language::Acoli => Some("ach"),
[INFO] [stdout]      |             --------------- matches some of the same values
[INFO] [stdout] 3129 |             Language::Adangme => Some("ada"),
[INFO] [stdout]      |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3612 |             _ => None,
[INFO] [stdout]      |             ^ ...and 482 other patterns collectively make this unreachable
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/languages.rs:3612:13
[INFO] [stdout]      |
[INFO] [stdout] 3612 |             _ => None,
[INFO] [stdout]      |             ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/languages.rs:3612:13
[INFO] [stdout]      |
[INFO] [stdout] 3126 |             Language::Abkhazian => Some("abk"),
[INFO] [stdout]      |             ------------------- matches some of the same values
[INFO] [stdout] 3127 |             Language::Achinese => Some("ace"),
[INFO] [stdout]      |             ------------------ matches some of the same values
[INFO] [stdout] 3128 |             Language::Acoli => Some("ach"),
[INFO] [stdout]      |             --------------- matches some of the same values
[INFO] [stdout] 3129 |             Language::Adangme => Some("ada"),
[INFO] [stdout]      |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 3612 |             _ => None,
[INFO] [stdout]      |             ^ ...and 482 other patterns collectively make this unreachable
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "8c4085de68f61080ef1b4f54566b7ff53d77b0f02ac00f1e9e19616df051df96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4085de68f61080ef1b4f54566b7ff53d77b0f02ac00f1e9e19616df051df96", kill_on_drop: false }`
[INFO] [stdout] 8c4085de68f61080ef1b4f54566b7ff53d77b0f02ac00f1e9e19616df051df96