[INFO] fetching crate fuzzyhash 0.2.1...
[INFO] checking fuzzyhash-0.2.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate fuzzyhash 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate fuzzyhash 0.2.1 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 fuzzyhash 0.2.1
[INFO] finished tweaking crates.io crate fuzzyhash 0.2.1
[INFO] tweaked toml for crates.io crate fuzzyhash 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate fuzzyhash 0.2.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 586d55bfc7f920774c187303af696593530a598d56f6553aba375ad00292959b
[INFO] running `Command { std: "docker" "start" "-a" "586d55bfc7f920774c187303af696593530a598d56f6553aba375ad00292959b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "586d55bfc7f920774c187303af696593530a598d56f6553aba375ad00292959b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586d55bfc7f920774c187303af696593530a598d56f6553aba375ad00292959b", kill_on_drop: false }`
[INFO] [stdout] 586d55bfc7f920774c187303af696593530a598d56f6553aba375ad00292959b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4f0431d86e7d5b31a7c8b05e07da7bc5ccda44c1a7f14f643aa141e3cf671c5b
[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" "4f0431d86e7d5b31a7c8b05e07da7bc5ccda44c1a7f14f643aa141e3cf671c5b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking fuzzyhash v0.2.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example1.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating benches/random_data1.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/compare_empty.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/more.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example2.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/random_data1.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/integration1.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating benches/compare_strings1.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/hash_file.rs from 2018 edition to 2021
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/compare_strings1.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         FuzzyHash::compare(&string1, &string2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking fuzzyhash v0.2.1 (/tmp/fixit)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/compare_strings1.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         FuzzyHash::compare(&string1, &string2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "4f0431d86e7d5b31a7c8b05e07da7bc5ccda44c1a7f14f643aa141e3cf671c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0431d86e7d5b31a7c8b05e07da7bc5ccda44c1a7f14f643aa141e3cf671c5b", kill_on_drop: false }`
[INFO] [stdout] 4f0431d86e7d5b31a7c8b05e07da7bc5ccda44c1a7f14f643aa141e3cf671c5b