[INFO] fetching crate zerogc-context 0.2.0-alpha.7...
[INFO] checking zerogc-context-0.2.0-alpha.7 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] extracting crate zerogc-context 0.2.0-alpha.7 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate zerogc-context 0.2.0-alpha.7 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerogc-context 0.2.0-alpha.7
[INFO] finished tweaking crates.io crate zerogc-context 0.2.0-alpha.7
[INFO] tweaked toml for crates.io crate zerogc-context 0.2.0-alpha.7 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding darling v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_core v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding darling_macro v0.13.4 (latest: v0.20.8)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[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: v0.12.1)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[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: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerogc v0.2.0-alpha.7
[INFO] [stderr]   Downloaded zerogc-derive v0.2.0-alpha.6
[INFO] [stderr]   Downloaded inherent v1.0.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6539dc2ec661ef5fea39e2e3e10378b61b1be9bee8875d188a73791e84a521a0
[INFO] running `Command { std: "docker" "start" "-a" "6539dc2ec661ef5fea39e2e3e10378b61b1be9bee8875d188a73791e84a521a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6539dc2ec661ef5fea39e2e3e10378b61b1be9bee8875d188a73791e84a521a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6539dc2ec661ef5fea39e2e3e10378b61b1be9bee8875d188a73791e84a521a0", kill_on_drop: false }`
[INFO] [stdout] 6539dc2ec661ef5fea39e2e3e10378b61b1be9bee8875d188a73791e84a521a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62b94d9a3d319471dfdf612ce7468d0587415bf0dc645a4ee5aab83d45e890f4
[INFO] running `Command { std: "docker" "start" "-a" "62b94d9a3d319471dfdf612ce7468d0587415bf0dc645a4ee5aab83d45e890f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking bumpalo v3.15.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling proc-macro-kwargs-derive v0.1.5
[INFO] [stderr]    Compiling inherent v1.0.11
[INFO] [stderr]     Checking lock_api v0.4.11
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[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" "62b94d9a3d319471dfdf612ce7468d0587415bf0dc645a4ee5aab83d45e890f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b94d9a3d319471dfdf612ce7468d0587415bf0dc645a4ee5aab83d45e890f4", kill_on_drop: false }`
[INFO] [stdout] 62b94d9a3d319471dfdf612ce7468d0587415bf0dc645a4ee5aab83d45e890f4
[INFO] checking zerogc-context-0.2.0-alpha.7 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] extracting crate zerogc-context 0.2.0-alpha.7 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate zerogc-context 0.2.0-alpha.7 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerogc-context 0.2.0-alpha.7
[INFO] finished tweaking crates.io crate zerogc-context 0.2.0-alpha.7
[INFO] tweaked toml for crates.io crate zerogc-context 0.2.0-alpha.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 272c75f5b483cdee8f98923829a2850dbeda122423ab59b59ccdd47678b4e6d9
[INFO] running `Command { std: "docker" "start" "-a" "272c75f5b483cdee8f98923829a2850dbeda122423ab59b59ccdd47678b4e6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "272c75f5b483cdee8f98923829a2850dbeda122423ab59b59ccdd47678b4e6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272c75f5b483cdee8f98923829a2850dbeda122423ab59b59ccdd47678b4e6d9", kill_on_drop: false }`
[INFO] [stdout] 272c75f5b483cdee8f98923829a2850dbeda122423ab59b59ccdd47678b4e6d9
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c5e1c3bcb8386f4bf400fc83252540e77198c7aa052bbdf77819fb3554409e
[INFO] running `Command { std: "docker" "start" "-a" "e6c5e1c3bcb8386f4bf400fc83252540e77198c7aa052bbdf77819fb3554409e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "e6c5e1c3bcb8386f4bf400fc83252540e77198c7aa052bbdf77819fb3554409e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c5e1c3bcb8386f4bf400fc83252540e77198c7aa052bbdf77819fb3554409e", kill_on_drop: false }`
[INFO] [stdout] e6c5e1c3bcb8386f4bf400fc83252540e77198c7aa052bbdf77819fb3554409e