[INFO] cloning repository https://github.com/redradist/RustGC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redradist/RustGC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredradist%2FRustGC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredradist%2FRustGC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31c4b0701ee8a6678ca4b8c138e304413fc85337
[INFO] checking redradist/RustGC/31c4b0701ee8a6678ca4b8c138e304413fc85337 against master#540f43a224317d894a9a0710a8d67704f179a33c for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredradist%2FRustGC" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/redradist/RustGC
[INFO] finished tweaking git repo https://github.com/redradist/RustGC
[INFO] tweaked toml for git repo https://github.com/redradist/RustGC written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/redradist/RustGC on toolchain 540f43a224317d894a9a0710a8d67704f179a33c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+540f43a224317d894a9a0710a8d67704f179a33c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/redradist/RustGC 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" "+540f43a224317d894a9a0710a8d67704f179a33c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+540f43a224317d894a9a0710a8d67704f179a33c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 064e3babb81c4d0b95c20ebaf33d69c17d02ff50d8d1176c4e2f171d132f6cd5
[INFO] running `Command { std: "docker" "start" "-a" "064e3babb81c4d0b95c20ebaf33d69c17d02ff50d8d1176c4e2f171d132f6cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "064e3babb81c4d0b95c20ebaf33d69c17d02ff50d8d1176c4e2f171d132f6cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "064e3babb81c4d0b95c20ebaf33d69c17d02ff50d8d1176c4e2f171d132f6cd5", kill_on_drop: false }`
[INFO] [stdout] 064e3babb81c4d0b95c20ebaf33d69c17d02ff50d8d1176c4e2f171d132f6cd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+540f43a224317d894a9a0710a8d67704f179a33c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d8a84a9c254f87ef1555c3d54081f2f8799156e0bff84ed60b752f484fcb6c6
[INFO] running `Command { std: "docker" "start" "-a" "8d8a84a9c254f87ef1555c3d54081f2f8799156e0bff84ed60b752f484fcb6c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking clap_lex v1.1.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking ferris-gc v0.2.0 (/opt/rustwide/workdir/ferris_gc)
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]     Checking proc-macro2 v1.0.106
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]     Checking quote v1.0.45
[INFO] [stderr]    Compiling ferris-gc-proc-macro v0.2.0 (/opt/rustwide/workdir/ferris_gc_proc_macro)
[INFO] [stderr]    Compiling zerocopy-derive v0.8.42
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: variants `Leaf` and `Branch` are never constructed
[INFO] [stdout]   --> ferris_gc/tests/derive_tests.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | enum SimpleEnum {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout]  8 |     Empty,
[INFO] [stdout]  9 |     Leaf(i32),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 10 |     Branch {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `One` is never constructed
[INFO] [stdout]   --> ferris_gc/tests/derive_tests.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum TupleEnum {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 27 |     One(i32),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Plain` is never constructed
[INFO] [stdout]    --> ferris_gc/tests/derive_tests.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | enum MixedEnum {
[INFO] [stdout]     |      --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 106 |     Plain(i32),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]    --> ferris_gc/tests/derive_tests.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 123 | enum GenericEnum<T> {
[INFO] [stdout]     |      ----------- variant in this enum
[INFO] [stdout] 124 |     None,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.36s
[INFO] running `Command { std: "docker" "inspect" "8d8a84a9c254f87ef1555c3d54081f2f8799156e0bff84ed60b752f484fcb6c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8a84a9c254f87ef1555c3d54081f2f8799156e0bff84ed60b752f484fcb6c6", kill_on_drop: false }`
[INFO] [stdout] 8d8a84a9c254f87ef1555c3d54081f2f8799156e0bff84ed60b752f484fcb6c6