[INFO] fetching crate proc-macro-api 0.1.5...
[INFO] checking proc-macro-api-0.1.5 against try#349c4bfa6ac87b818f6fd19d4869c0b24790ac6a for pr-152856
[INFO] extracting crate proc-macro-api 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate proc-macro-api 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate proc-macro-api 0.1.5
[INFO] tweaked toml for crates.io crate proc-macro-api 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc-macro-api 0.1.5 on toolchain 349c4bfa6ac87b818f6fd19d4869c0b24790ac6a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proc-macro-api 0.1.5 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" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea0b1520627c61abf2005f70ad323e4bf8b167a64488511804b559b06abf32fc
[INFO] running `Command { std: "docker" "start" "-a" "ea0b1520627c61abf2005f70ad323e4bf8b167a64488511804b559b06abf32fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea0b1520627c61abf2005f70ad323e4bf8b167a64488511804b559b06abf32fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0b1520627c61abf2005f70ad323e4bf8b167a64488511804b559b06abf32fc", kill_on_drop: false }`
[INFO] [stdout] ea0b1520627c61abf2005f70ad323e4bf8b167a64488511804b559b06abf32fc
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+349c4bfa6ac87b818f6fd19d4869c0b24790ac6a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ce443a9868cb251326dafc89afb32acbb21000554ede1d6bd92f9a5ce53dee3
[INFO] running `Command { std: "docker" "start" "-a" "3ce443a9868cb251326dafc89afb32acbb21000554ede1d6bd92f9a5ce53dee3", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro-api v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find attribute `no_link` in this scope
[INFO] [stdout]  --> examples/doc_tests.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[no_link]
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro-api` (example "doc_tests") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3ce443a9868cb251326dafc89afb32acbb21000554ede1d6bd92f9a5ce53dee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ce443a9868cb251326dafc89afb32acbb21000554ede1d6bd92f9a5ce53dee3", kill_on_drop: false }`
[INFO] [stdout] 3ce443a9868cb251326dafc89afb32acbb21000554ede1d6bd92f9a5ce53dee3