[INFO] fetching crate nom-language 0.1.0...
[INFO] building nom-language-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate nom-language 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nom-language 0.1.0
[INFO] finished tweaking crates.io crate nom-language 0.1.0
[INFO] tweaked toml for crates.io crate nom-language 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nom-language 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9ecb08bfbffdba6e15716e7231a517d455e26bbb5ae9f27795cf9e97386b061
[INFO] running `Command { std: "docker" "start" "-a" "e9ecb08bfbffdba6e15716e7231a517d455e26bbb5ae9f27795cf9e97386b061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ecb08bfbffdba6e15716e7231a517d455e26bbb5ae9f27795cf9e97386b061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ecb08bfbffdba6e15716e7231a517d455e26bbb5ae9f27795cf9e97386b061", kill_on_drop: false }`
[INFO] [stdout] e9ecb08bfbffdba6e15716e7231a517d455e26bbb5ae9f27795cf9e97386b061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe216068996dfb7fd4f5e7fab824fcd484ce06a6c1e0962f57710bad0af4f907
[INFO] running `Command { std: "docker" "start" "-a" "fe216068996dfb7fd4f5e7fab824fcd484ce06a6c1e0962f57710bad0af4f907", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling nom-language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]   --> src/precedence/mod.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |   Binary(P3, Q, Assoc),
[INFO] [stdout]    |   ------        ^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 -   Binary(P3, Q, Assoc),
[INFO] [stdout] 45 +   Binary(P3, Q, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "fe216068996dfb7fd4f5e7fab824fcd484ce06a6c1e0962f57710bad0af4f907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe216068996dfb7fd4f5e7fab824fcd484ce06a6c1e0962f57710bad0af4f907", kill_on_drop: false }`
[INFO] [stdout] fe216068996dfb7fd4f5e7fab824fcd484ce06a6c1e0962f57710bad0af4f907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 355bec7ea659998c424c276f1f13d5a7920719f850694ba2945556e2e6c19fb1
[INFO] running `Command { std: "docker" "start" "-a" "355bec7ea659998c424c276f1f13d5a7920719f850694ba2945556e2e6c19fb1", kill_on_drop: false }`
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]   --> src/precedence/mod.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |   Binary(P3, Q, Assoc),
[INFO] [stdout]    |   ------        ^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 -   Binary(P3, Q, Assoc),
[INFO] [stdout] 45 +   Binary(P3, Q, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nom-language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]   --> src/precedence/mod.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |   Binary(P3, Q, Assoc),
[INFO] [stdout]    |   ------        ^^^^^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 -   Binary(P3, Q, Assoc),
[INFO] [stdout] 45 +   Binary(P3, Q, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "355bec7ea659998c424c276f1f13d5a7920719f850694ba2945556e2e6c19fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "355bec7ea659998c424c276f1f13d5a7920719f850694ba2945556e2e6c19fb1", kill_on_drop: false }`
[INFO] [stdout] 355bec7ea659998c424c276f1f13d5a7920719f850694ba2945556e2e6c19fb1