[INFO] fetching crate go-away 0.6.1...
[INFO] checking go-away-0.6.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate go-away 0.6.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate go-away 0.6.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate go-away 0.6.1
[INFO] tweaked toml for crates.io crate go-away 0.6.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate go-away 0.6.1 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 go-away 0.6.1 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] afc9dd51d680483bd26ca76580d6a77251adb24c7347322f4446e1a1b8cca6bc
[INFO] running `Command { std: "docker" "start" "-a" "afc9dd51d680483bd26ca76580d6a77251adb24c7347322f4446e1a1b8cca6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afc9dd51d680483bd26ca76580d6a77251adb24c7347322f4446e1a1b8cca6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc9dd51d680483bd26ca76580d6a77251adb24c7347322f4446e1a1b8cca6bc", kill_on_drop: false }`
[INFO] [stdout] afc9dd51d680483bd26ca76580d6a77251adb24c7347322f4446e1a1b8cca6bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 994613788da0770735e478cfa4e67ca54b5f3c45e7512ca9013671e1e6245474
[INFO] running `Command { std: "docker" "start" "-a" "994613788da0770735e478cfa4e67ca54b5f3c45e7512ca9013671e1e6245474", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]     Checking insta v1.43.1
[INFO] [stderr]     Checking fs_extra v1.3.0
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling go-away-derive-internals v0.6.1
[INFO] [stderr]    Compiling go-away-derive v0.6.1
[INFO] [stderr]     Checking go-away v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SwiftField` is never constructed
[INFO] [stdout]   --> src/output/swift/mod.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct SwiftField<'a>(&'a Field);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stdout] warning: enum `InternallyTaggedTupleEnum` is never used
[INFO] [stdout]   --> tests/kotlin_serialization.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum InternallyTaggedTupleEnum {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InternallyTaggedTupleEnum` is never used
[INFO] [stdout]   --> tests/swift_codable.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum InternallyTaggedTupleEnum {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SwiftField` is never constructed
[INFO] [stdout]   --> src/output/swift/mod.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct SwiftField<'a>(&'a Field);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.30s
[INFO] running `Command { std: "docker" "inspect" "994613788da0770735e478cfa4e67ca54b5f3c45e7512ca9013671e1e6245474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994613788da0770735e478cfa4e67ca54b5f3c45e7512ca9013671e1e6245474", kill_on_drop: false }`
[INFO] [stdout] 994613788da0770735e478cfa4e67ca54b5f3c45e7512ca9013671e1e6245474