[INFO] fetching crate fi-night 0.1.6...
[INFO] checking fi-night-0.1.6 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate fi-night 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fi-night 0.1.6
[INFO] finished tweaking crates.io crate fi-night 0.1.6
[INFO] tweaked toml for crates.io crate fi-night 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fi-night 0.1.6 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.4.0 (available: v0.8.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00122d6b88eb770f48a3a664cfba6974ade3531bc1f05ca493d77a889d23a968
[INFO] running `Command { std: "docker" "start" "-a" "00122d6b88eb770f48a3a664cfba6974ade3531bc1f05ca493d77a889d23a968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00122d6b88eb770f48a3a664cfba6974ade3531bc1f05ca493d77a889d23a968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00122d6b88eb770f48a3a664cfba6974ade3531bc1f05ca493d77a889d23a968", kill_on_drop: false }`
[INFO] [stdout] 00122d6b88eb770f48a3a664cfba6974ade3531bc1f05ca493d77a889d23a968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f4f62436c1cc0edbfba9835a0c12b1a273cd02d1d3041470b4c6b1f99c77008
[INFO] running `Command { std: "docker" "start" "-a" "5f4f62436c1cc0edbfba9835a0c12b1a273cd02d1d3041470b4c6b1f99c77008", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking fi-night v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ChainIterItemDecl` is never constructed
[INFO] [stdout]     --> src/lib.rs:1320:8
[INFO] [stdout]      |
[INFO] [stdout] 1320 | struct ChainIterItemDecl(Ident, Ident, Ident, Ident);
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImplEnumDisplay` is never constructed
[INFO] [stdout]     --> src/lib.rs:1489:8
[INFO] [stdout]      |
[INFO] [stdout] 1489 | struct ImplEnumDisplay {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImplEnumVariantDisplay` is never constructed
[INFO] [stdout]     --> src/lib.rs:1506:8
[INFO] [stdout]      |
[INFO] [stdout] 1506 | struct ImplEnumVariantDisplay(Ident);
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChainIterItemDecl` is never constructed
[INFO] [stdout]     --> src/lib.rs:1320:8
[INFO] [stdout]      |
[INFO] [stdout] 1320 | struct ChainIterItemDecl(Ident, Ident, Ident, Ident);
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImplEnumDisplay` is never constructed
[INFO] [stdout]     --> src/lib.rs:1489:8
[INFO] [stdout]      |
[INFO] [stdout] 1489 | struct ImplEnumDisplay {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImplEnumVariantDisplay` is never constructed
[INFO] [stdout]     --> src/lib.rs:1506:8
[INFO] [stdout]      |
[INFO] [stdout] 1506 | struct ImplEnumVariantDisplay(Ident);
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "5f4f62436c1cc0edbfba9835a0c12b1a273cd02d1d3041470b4c6b1f99c77008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4f62436c1cc0edbfba9835a0c12b1a273cd02d1d3041470b4c6b1f99c77008", kill_on_drop: false }`
[INFO] [stdout] 5f4f62436c1cc0edbfba9835a0c12b1a273cd02d1d3041470b4c6b1f99c77008