[INFO] fetching crate whaterror 0.1.0...
[INFO] checking whaterror-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate whaterror 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate whaterror 0.1.0
[INFO] finished tweaking crates.io crate whaterror 0.1.0
[INFO] tweaked toml for crates.io crate whaterror 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate whaterror 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate whaterror 0.1.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a094330872731ccbe12c270b1e986ef039ea76bebe172d7be18ff74a13bd3b0
[INFO] running `Command { std: "docker" "start" "-a" "6a094330872731ccbe12c270b1e986ef039ea76bebe172d7be18ff74a13bd3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a094330872731ccbe12c270b1e986ef039ea76bebe172d7be18ff74a13bd3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a094330872731ccbe12c270b1e986ef039ea76bebe172d7be18ff74a13bd3b0", kill_on_drop: false }`
[INFO] [stdout] 6a094330872731ccbe12c270b1e986ef039ea76bebe172d7be18ff74a13bd3b0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2323b1c160eb31b1411cc792eb3c652f323f5ddaf8607f2d8572c6b8d98cd91
[INFO] running `Command { std: "docker" "start" "-a" "f2323b1c160eb31b1411cc792eb3c652f323f5ddaf8607f2d8572c6b8d98cd91", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling whaterror_macros v0.1.0
[INFO] [stderr]     Checking whaterror v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown `doc` attribute `transparent`
[INFO] [stdout]   --> src/lib.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | #[doc(transparent)]
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `transparent`
[INFO] [stdout]   --> src/lib.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | #[doc(transparent)]
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(invalid_doc_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `whaterror` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `whaterror` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f2323b1c160eb31b1411cc792eb3c652f323f5ddaf8607f2d8572c6b8d98cd91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2323b1c160eb31b1411cc792eb3c652f323f5ddaf8607f2d8572c6b8d98cd91", kill_on_drop: false }`
[INFO] [stdout] f2323b1c160eb31b1411cc792eb3c652f323f5ddaf8607f2d8572c6b8d98cd91