[INFO] fetching crate gc 0.4.1...
[INFO] checking gc-0.4.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate gc 0.4.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate gc 0.4.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gc 0.4.1
[INFO] finished tweaking crates.io crate gc 0.4.1
[INFO] tweaked toml for crates.io crate gc 0.4.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gc_derive v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de3579a403e262cdc363b95be9872bcb5e08b357170c35d0bc243e86be582f01
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de3579a403e262cdc363b95be9872bcb5e08b357170c35d0bc243e86be582f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de3579a403e262cdc363b95be9872bcb5e08b357170c35d0bc243e86be582f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3579a403e262cdc363b95be9872bcb5e08b357170c35d0bc243e86be582f01", kill_on_drop: false }`
[INFO] [stdout] de3579a403e262cdc363b95be9872bcb5e08b357170c35d0bc243e86be582f01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f653600fd245c74f9ece82a569be5608d781e8e45363bb2597ea513ab756b68
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f653600fd245c74f9ece82a569be5608d781e8e45363bb2597ea513ab756b68", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking gc v0.4.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling gc_derive v0.4.1
[INFO] [stderr]    Migrating tests/unsized.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating benches/alloc_in_a_loop.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/i128.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/gc_cell_ref.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/trace_impl.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/from_raw.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/derive_bounds.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/gymnastics_cycle.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/gc_semantics.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/finalize.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.15s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking gc v0.4.1 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "9f653600fd245c74f9ece82a569be5608d781e8e45363bb2597ea513ab756b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f653600fd245c74f9ece82a569be5608d781e8e45363bb2597ea513ab756b68", kill_on_drop: false }`
[INFO] [stdout] 9f653600fd245c74f9ece82a569be5608d781e8e45363bb2597ea513ab756b68