[INFO] fetching crate sp-variant 3.5.3...
[INFO] checking sp-variant-3.5.3 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate sp-variant 3.5.3 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate sp-variant 3.5.3
[INFO] finished tweaking crates.io crate sp-variant 3.5.3
[INFO] tweaked toml for crates.io crate sp-variant 3.5.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sp-variant 3.5.3 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] crate crates.io crate sp-variant 3.5.3 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba57b3f7ad383cd210632302ad8df4b91c0dd7cd8f832bab41f0fd5e47f8dd0c
[INFO] running `Command { std: "docker" "start" "-a" "ba57b3f7ad383cd210632302ad8df4b91c0dd7cd8f832bab41f0fd5e47f8dd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba57b3f7ad383cd210632302ad8df4b91c0dd7cd8f832bab41f0fd5e47f8dd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba57b3f7ad383cd210632302ad8df4b91c0dd7cd8f832bab41f0fd5e47f8dd0c", kill_on_drop: false }`
[INFO] [stdout] ba57b3f7ad383cd210632302ad8df4b91c0dd7cd8f832bab41f0fd5e47f8dd0c
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff50ae56191dd9a860b32ef722dd1968dd9362c6518bc61ff59c3c3b353c50b4
[INFO] running `Command { std: "docker" "start" "-a" "ff50ae56191dd9a860b32ef722dd1968dd9362c6518bc61ff59c3c3b353c50b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rustix v0.38.2
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling rustix v0.37.22
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.99
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking is-terminal v0.4.8
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking clap_builder v4.3.10
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking clap v4.3.10
[INFO] [stderr]    Compiling enum-iterator-derive v1.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.166
[INFO] [stderr]     Checking enum-iterator v1.4.1
[INFO] [stderr]     Checking sp-variant v3.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `VariantFormatTop` is never constructed
[INFO] [stdout]   --> rust/lib.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct VariantFormatTop {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VariantFormatTop` is never constructed
[INFO] [stdout]   --> rust/lib.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct VariantFormatTop {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> rust/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub mod tests;
[INFO] [stdout]    | ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> rust/lib.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.95s
[INFO] running `Command { std: "docker" "inspect" "ff50ae56191dd9a860b32ef722dd1968dd9362c6518bc61ff59c3c3b353c50b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff50ae56191dd9a860b32ef722dd1968dd9362c6518bc61ff59c3c3b353c50b4", kill_on_drop: false }`
[INFO] [stdout] ff50ae56191dd9a860b32ef722dd1968dd9362c6518bc61ff59c3c3b353c50b4