[INFO] fetching crate cluFlock 1.2.5...
[INFO] checking cluFlock-1.2.5 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate cluFlock 1.2.5 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate cluFlock 1.2.5 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 cluFlock 1.2.5
[INFO] finished tweaking crates.io crate cluFlock 1.2.5
[INFO] tweaked toml for crates.io crate cluFlock 1.2.5 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate crates.io crate cluFlock 1.2.5 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cluFullTransmute v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 8dbb86c682c2263837ce43e567d478d8fe25b613d632fb56bdb2e4a59e819196
[INFO] running `Command { std: "docker" "start" "-a" "8dbb86c682c2263837ce43e567d478d8fe25b613d632fb56bdb2e4a59e819196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dbb86c682c2263837ce43e567d478d8fe25b613d632fb56bdb2e4a59e819196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbb86c682c2263837ce43e567d478d8fe25b613d632fb56bdb2e4a59e819196", kill_on_drop: false }`
[INFO] [stdout] 8dbb86c682c2263837ce43e567d478d8fe25b613d632fb56bdb2e4a59e819196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] a0ac96f96af7da5fc2a2d498d70c4c99199a98f378c3860bba22e16d08c01ce7
[INFO] running `Command { std: "docker" "start" "-a" "a0ac96f96af7da5fc2a2d498d70c4c99199a98f378c3860bba22e16d08c01ce7", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cluFlock v1.2.5 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/use_fn.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/struct_lock_file.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/use_slice.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/sync_file_fn.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/windows.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/unix.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/shared_file.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/sync_file.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/use.rs from 2018 edition to 2021
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> examples/sync_file_fn.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     'begin: for num in 0..200 {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.19s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking cluFlock v1.2.5 (/tmp/fixit)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> examples/sync_file_fn.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     'begin: for num in 0..200 {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "a0ac96f96af7da5fc2a2d498d70c4c99199a98f378c3860bba22e16d08c01ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ac96f96af7da5fc2a2d498d70c4c99199a98f378c3860bba22e16d08c01ce7", kill_on_drop: false }`
[INFO] [stdout] a0ac96f96af7da5fc2a2d498d70c4c99199a98f378c3860bba22e16d08c01ce7