[INFO] fetching crate func_trace 1.0.3...
[INFO] checking func_trace-1.0.3 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate func_trace 1.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate func_trace 1.0.3 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] removed /workspace/builds/worker-6/source/.cargo/config.toml
[INFO] started tweaking crates.io crate func_trace 1.0.3
[INFO] finished tweaking crates.io crate func_trace 1.0.3
[INFO] tweaked toml for crates.io crate func_trace 1.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate func_trace 1.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 505139c5487c416bccfb314c888b8e643ece823b744d6e7dec427a98c3f82bee
[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" "505139c5487c416bccfb314c888b8e643ece823b744d6e7dec427a98c3f82bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "505139c5487c416bccfb314c888b8e643ece823b744d6e7dec427a98c3f82bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505139c5487c416bccfb314c888b8e643ece823b744d6e7dec427a98c3f82bee", kill_on_drop: false }`
[INFO] [stdout] 505139c5487c416bccfb314c888b8e643ece823b744d6e7dec427a98c3f82bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ddf70a1d5469829bdf11a890225324ebddfe626ff59e8c55a22a7d93ffd958aa
[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" "ddf70a1d5469829bdf11a890225324ebddfe626ff59e8c55a22a7d93ffd958aa", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking func_trace v1.0.3 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking gag v0.1.10
[INFO] [stderr]    Migrating examples/example_mod.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example_logging.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example_mod_inner_attribute_nightly.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example_prefix.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example_mut_ref.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example_thread.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example_pause.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example_impl.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example_pretty.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example_enable_disable.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example_impl_method.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.02s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking func_trace v1.0.3 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "ddf70a1d5469829bdf11a890225324ebddfe626ff59e8c55a22a7d93ffd958aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf70a1d5469829bdf11a890225324ebddfe626ff59e8c55a22a7d93ffd958aa", kill_on_drop: false }`
[INFO] [stdout] ddf70a1d5469829bdf11a890225324ebddfe626ff59e8c55a22a7d93ffd958aa