[INFO] cloning repository https://github.com/maemon4095/regen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maemon4095/regen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaemon4095%2Fregen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaemon4095%2Fregen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26f8afcc64e331f834d181bc7c33408fb37b1c6b
[INFO] checking maemon4095/regen/26f8afcc64e331f834d181bc7c33408fb37b1c6b against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaemon4095%2Fregen" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maemon4095/regen
[INFO] finished tweaking git repo https://github.com/maemon4095/regen
[INFO] tweaked toml for git repo https://github.com/maemon4095/regen written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maemon4095/regen on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maemon4095/regen 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" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d1ecf3a790bc551839ea7a8fc42a99eb84e6c9df7717c286eb56bb577dc6ed2
[INFO] running `Command { std: "docker" "start" "-a" "2d1ecf3a790bc551839ea7a8fc42a99eb84e6c9df7717c286eb56bb577dc6ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d1ecf3a790bc551839ea7a8fc42a99eb84e6c9df7717c286eb56bb577dc6ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1ecf3a790bc551839ea7a8fc42a99eb84e6c9df7717c286eb56bb577dc6ed2", kill_on_drop: false }`
[INFO] [stdout] 2d1ecf3a790bc551839ea7a8fc42a99eb84e6c9df7717c286eb56bb577dc6ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 681f91fee6e2d047c14e75f06f97fb559433c8962b7264662df9ba680e312ccb
[INFO] running `Command { std: "docker" "start" "-a" "681f91fee6e2d047c14e75f06f97fb559433c8962b7264662df9ba680e312ccb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking regen-core v0.0.0 (/opt/rustwide/workdir/crates/regen-core)
[INFO] [stderr]    Compiling prettyplease v0.2.35
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking regen-macro-impl v0.0.0 (/opt/rustwide/workdir/crates/regen-macro-impl)
[INFO] [stderr]     Checking regen-macro v0.0.0 (/opt/rustwide/workdir/crates/regen-macro)
[INFO] [stderr]     Checking regen v0.0.0 (/opt/rustwide/workdir/crates/regen)
[INFO] [stderr]     Checking regen-macro-test v0.0.0 (/opt/rustwide/workdir/crates/regen-macro-test)
[INFO] [stdout] warning: enum `DecimalUsize` is never used
[INFO] [stdout]   --> crates/regen-macro-test/src/lib.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum DecimalUsize {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PartialMatch` is never used
[INFO] [stdout]  --> crates/regen-macro-test/src/lib.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum PartialMatch {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DecimalUsize` is never used
[INFO] [stdout]   --> crates/regen-macro-test/src/lib.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | enum DecimalUsize {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Complex` is never used
[INFO] [stdout]   --> crates/regen-macro-test/src/lib.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum Complex {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Radix` is never used
[INFO] [stdout]   --> crates/regen-macro-test/src/lib.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum Radix {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RadixBuilder` is never constructed
[INFO] [stdout]   --> crates/regen-macro-test/src/lib.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct RadixBuilder { 
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RadixError` is never constructed
[INFO] [stdout]   --> crates/regen-macro-test/src/lib.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | struct RadixError;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HexUsize` is never used
[INFO] [stdout]   --> crates/regen-macro-test/src/lib.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 | enum HexUsize {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UsizeHexBuilder` is never constructed
[INFO] [stdout]   --> crates/regen-macro-test/src/lib.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | struct UsizeHexBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.16s
[INFO] running `Command { std: "docker" "inspect" "681f91fee6e2d047c14e75f06f97fb559433c8962b7264662df9ba680e312ccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "681f91fee6e2d047c14e75f06f97fb559433c8962b7264662df9ba680e312ccb", kill_on_drop: false }`
[INFO] [stdout] 681f91fee6e2d047c14e75f06f97fb559433c8962b7264662df9ba680e312ccb