[INFO] fetching crate serde_yaml2 0.1.3...
[INFO] building serde_yaml2-0.1.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate serde_yaml2 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate serde_yaml2 0.1.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde_yaml2 0.1.3
[INFO] tweaked toml for crates.io crate serde_yaml2 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_yaml2 0.1.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_yaml2 0.1.3 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 089bfe8b09f0709dc9a3d468877d8c88f57e9bd9400c45de1353d527fbf6961c
[INFO] running `Command { std: "docker" "start" "-a" "089bfe8b09f0709dc9a3d468877d8c88f57e9bd9400c45de1353d527fbf6961c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "089bfe8b09f0709dc9a3d468877d8c88f57e9bd9400c45de1353d527fbf6961c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089bfe8b09f0709dc9a3d468877d8c88f57e9bd9400c45de1353d527fbf6961c", kill_on_drop: false }`
[INFO] [stdout] 089bfe8b09f0709dc9a3d468877d8c88f57e9bd9400c45de1353d527fbf6961c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5e11a12ca65e9dd1abb7e2f6bf55241a37635e55d713971d632c31e92123e5e
[INFO] running `Command { std: "docker" "start" "-a" "f5e11a12ca65e9dd1abb7e2f6bf55241a37635e55d713971d632c31e92123e5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling hashlink v0.8.4
[INFO] [stderr]    Compiling yaml-rust2 v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling serde_yaml2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "f5e11a12ca65e9dd1abb7e2f6bf55241a37635e55d713971d632c31e92123e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e11a12ca65e9dd1abb7e2f6bf55241a37635e55d713971d632c31e92123e5e", kill_on_drop: false }`
[INFO] [stdout] f5e11a12ca65e9dd1abb7e2f6bf55241a37635e55d713971d632c31e92123e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 846959c903e2c2d526a8ccda0f7ed71682b0900093926d2fdeca50a4a02a32d7
[INFO] running `Command { std: "docker" "start" "-a" "846959c903e2c2d526a8ccda0f7ed71682b0900093926d2fdeca50a4a02a32d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_yaml2 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `TestEnum` is never used
[INFO] [stdout]  --> tests/integration_test.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     enum TestEnum {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "846959c903e2c2d526a8ccda0f7ed71682b0900093926d2fdeca50a4a02a32d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846959c903e2c2d526a8ccda0f7ed71682b0900093926d2fdeca50a4a02a32d7", kill_on_drop: false }`
[INFO] [stdout] 846959c903e2c2d526a8ccda0f7ed71682b0900093926d2fdeca50a4a02a32d7