[INFO] fetching crate zerogc 0.2.0-alpha.7...
[INFO] checking zerogc-0.2.0-alpha.7 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate zerogc 0.2.0-alpha.7 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate zerogc 0.2.0-alpha.7 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerogc 0.2.0-alpha.7
[INFO] finished tweaking crates.io crate zerogc 0.2.0-alpha.7
[INFO] tweaked toml for crates.io crate zerogc 0.2.0-alpha.7 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding darling v0.13.4 (latest: v0.20.9)
[INFO] [stderr]       Adding darling_core v0.13.4 (latest: v0.20.9)
[INFO] [stderr]       Adding darling_macro v0.13.4 (latest: v0.20.9)
[INFO] [stderr]       Adding hashbrown v0.11.2 (latest: v0.14.5)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.13.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.10)
[INFO] [stderr]       Adding proc-macro-kwargs v0.1.5 (latest: v0.2.0)
[INFO] [stderr]       Adding proc-macro-kwargs-derive v0.1.5 (latest: v0.2.0)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-kwargs-derive v0.1.5
[INFO] [stderr]   Downloaded zerogc-derive v0.2.0-alpha.6
[INFO] [stderr]   Downloaded proc-macro-kwargs v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98afa0dfa2342fef07896ae4fc3c2b7c6d0efe01e24c38b308565791944ca739
[INFO] running `Command { std: "docker" "start" "-a" "98afa0dfa2342fef07896ae4fc3c2b7c6d0efe01e24c38b308565791944ca739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98afa0dfa2342fef07896ae4fc3c2b7c6d0efe01e24c38b308565791944ca739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98afa0dfa2342fef07896ae4fc3c2b7c6d0efe01e24c38b308565791944ca739", kill_on_drop: false }`
[INFO] [stdout] 98afa0dfa2342fef07896ae4fc3c2b7c6d0efe01e24c38b308565791944ca739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10e51d99b865bd3e3fe9950d17edd6ef4874b24c6cf8e3e92ea85d64ec29af8b
[INFO] running `Command { std: "docker" "start" "-a" "10e51d99b865bd3e3fe9950d17edd6ef4874b24c6cf8e3e92ea85d64ec29af8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling inherent v1.0.11
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling proc-macro-kwargs-derive v0.1.5
[INFO] [stderr]    Compiling proc-macro-kwargs v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling zerogc-derive v0.2.0-alpha.6
[INFO] [stdout] error[E0615]: attempted to take value of method `line` on type `proc_macro::Span`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/zerogc-derive-0.2.0-alpha.6/src/lib.rs:243:35
[INFO] [stdout]     |
[INFO] [stdout] 243 |     let lineno = internal.start().line;
[INFO] [stdout]     |                                   ^^^^ method, not a field
[INFO] [stdout]     |
[INFO] [stdout] help: use parentheses to call the method
[INFO] [stdout]     |
[INFO] [stdout] 243 |     let lineno = internal.start().line();
[INFO] [stdout]     |                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0615`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zerogc-derive` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "10e51d99b865bd3e3fe9950d17edd6ef4874b24c6cf8e3e92ea85d64ec29af8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e51d99b865bd3e3fe9950d17edd6ef4874b24c6cf8e3e92ea85d64ec29af8b", kill_on_drop: false }`
[INFO] [stdout] 10e51d99b865bd3e3fe9950d17edd6ef4874b24c6cf8e3e92ea85d64ec29af8b