[INFO] fetching crate cord-nvim 2.3.20...
[INFO] checking cord-nvim-2.3.20 against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887
[INFO] extracting crate cord-nvim 2.3.20 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate cord-nvim 2.3.20
[INFO] finished tweaking crates.io crate cord-nvim 2.3.20
[INFO] tweaked toml for crates.io crate cord-nvim 2.3.20 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cord-nvim 2.3.20 on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cord-nvim 2.3.20 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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cad374cf15da0b2a35601d62869dd28c090311ebd2d86c3c5cb5f96cb6a67cb3
[INFO] running `Command { std: "docker" "start" "-a" "cad374cf15da0b2a35601d62869dd28c090311ebd2d86c3c5cb5f96cb6a67cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cad374cf15da0b2a35601d62869dd28c090311ebd2d86c3c5cb5f96cb6a67cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad374cf15da0b2a35601d62869dd28c090311ebd2d86c3c5cb5f96cb6a67cb3", kill_on_drop: false }`
[INFO] [stdout] cad374cf15da0b2a35601d62869dd28c090311ebd2d86c3c5cb5f96cb6a67cb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fca603f554a10ff5f4009f9817ff2d71e64988a86f8b75c605236e9d7d23a310
[INFO] running `Command { std: "docker" "start" "-a" "fca603f554a10ff5f4009f9817ff2d71e64988a86f8b75c605236e9d7d23a310", kill_on_drop: false }`
[INFO] [stderr]     Checking cord-nvim v2.3.20 (/opt/rustwide/workdir)
[INFO] [stdout] error: unreachable call
[INFO] [stdout]   --> src/error.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         Self::new(CordErrorKind::Parse, err)
[INFO] [stdout]    |         ^^^^^^^^^ unreachable call      --- any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unreachable_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unreachable call
[INFO] [stdout]   --> src/error.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         Self::new(CordErrorKind::Parse, err)
[INFO] [stdout]    |         ^^^^^^^^^ unreachable call      --- any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unreachable_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cord-nvim` (bin "cord" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cord-nvim` (bin "cord") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fca603f554a10ff5f4009f9817ff2d71e64988a86f8b75c605236e9d7d23a310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca603f554a10ff5f4009f9817ff2d71e64988a86f8b75c605236e9d7d23a310", kill_on_drop: false }`
[INFO] [stdout] fca603f554a10ff5f4009f9817ff2d71e64988a86f8b75c605236e9d7d23a310