[INFO] fetching crate forgiving-semver-parser 0.10.1...
[INFO] checking forgiving-semver-parser-0.10.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate forgiving-semver-parser 0.10.1 into /workspace/builds/worker-39/source
[INFO] validating manifest of crates.io crate forgiving-semver-parser 0.10.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate forgiving-semver-parser 0.10.1
[INFO] finished tweaking crates.io crate forgiving-semver-parser 0.10.1
[INFO] tweaked toml for crates.io crate forgiving-semver-parser 0.10.1 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate crates.io crate forgiving-semver-parser 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1da2f28e85f07fe0fe6dd7d6d90c9bea549694428fdacd77e33b07415142ef76
[INFO] running `Command { std: "docker" "start" "-a" "1da2f28e85f07fe0fe6dd7d6d90c9bea549694428fdacd77e33b07415142ef76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da2f28e85f07fe0fe6dd7d6d90c9bea549694428fdacd77e33b07415142ef76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da2f28e85f07fe0fe6dd7d6d90c9bea549694428fdacd77e33b07415142ef76", kill_on_drop: false }`
[INFO] [stdout] 1da2f28e85f07fe0fe6dd7d6d90c9bea549694428fdacd77e33b07415142ef76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d82594544176527d1c57c45cfbe0089357b0c3c79a81aef2f5a590a20fe92957
[INFO] running `Command { std: "docker" "start" "-a" "d82594544176527d1c57c45cfbe0089357b0c3c79a81aef2f5a590a20fe92957", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking pest_meta v2.1.3
[INFO] [stderr]     Checking forgiving-semver-parser v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> src/generated.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `forgiving-semver-parser` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d82594544176527d1c57c45cfbe0089357b0c3c79a81aef2f5a590a20fe92957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82594544176527d1c57c45cfbe0089357b0c3c79a81aef2f5a590a20fe92957", kill_on_drop: false }`
[INFO] [stdout] d82594544176527d1c57c45cfbe0089357b0c3c79a81aef2f5a590a20fe92957