[INFO] fetching crate recurse 0.3.0...
[INFO] checking recurse-0.3.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate recurse 0.3.0 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate recurse 0.3.0 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 recurse 0.3.0
[INFO] finished tweaking crates.io crate recurse 0.3.0
[INFO] tweaked toml for crates.io crate recurse 0.3.0 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate crates.io crate recurse 0.3.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v1.0.1
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded predicates v1.0.4
[INFO] [stderr]   Downloaded syn v1.0.22
[INFO] [stderr]   Downloaded float-cmp v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] f464a976586bcc4774178aa1ecffe45223394c5a9f0f8d9859eeb709395e801b
[INFO] running `Command { std: "docker" "start" "-a" "f464a976586bcc4774178aa1ecffe45223394c5a9f0f8d9859eeb709395e801b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f464a976586bcc4774178aa1ecffe45223394c5a9f0f8d9859eeb709395e801b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f464a976586bcc4774178aa1ecffe45223394c5a9f0f8d9859eeb709395e801b", kill_on_drop: false }`
[INFO] [stdout] f464a976586bcc4774178aa1ecffe45223394c5a9f0f8d9859eeb709395e801b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 9f86c48de58b5643e492d34d2535005aac3af62caccea727c26413d60f812b94
[INFO] running `Command { std: "docker" "start" "-a" "9f86c48de58b5643e492d34d2535005aac3af62caccea727c26413d60f812b94", 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] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   libc v0.2.70: default, std
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking recurse v0.3.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/command/replace.rs (9 fixes)
[INFO] [stdout] warning: constant is never used: `BACKUP_FILEPATH_EXTENSION`
[INFO] [stdout]   --> src/command/replace.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const BACKUP_FILEPATH_EXTENSION: &str = "bu";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_backup_filepath`
[INFO] [stdout]    --> src/command/replace.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn get_backup_filepath(inpath: &Path) -> PathBuf {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_backup_extension`
[INFO] [stdout]    --> src/command/replace.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn has_backup_extension(inpath: &Path) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_root_filepath`
[INFO] [stdout]    --> src/command/replace.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn is_root_filepath(inpath: &Path) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/bin/recurse.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/cli.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.67s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking recurse v0.3.0 (/tmp/fixit)
[INFO] [stdout] warning: constant is never used: `BACKUP_FILEPATH_EXTENSION`
[INFO] [stdout]   --> src/command/replace.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | const BACKUP_FILEPATH_EXTENSION: &str = "bu";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_backup_filepath`
[INFO] [stdout]    --> src/command/replace.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn get_backup_filepath(inpath: &Path) -> PathBuf {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_backup_extension`
[INFO] [stdout]    --> src/command/replace.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn has_backup_extension(inpath: &Path) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_root_filepath`
[INFO] [stdout]    --> src/command/replace.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn is_root_filepath(inpath: &Path) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "9f86c48de58b5643e492d34d2535005aac3af62caccea727c26413d60f812b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f86c48de58b5643e492d34d2535005aac3af62caccea727c26413d60f812b94", kill_on_drop: false }`
[INFO] [stdout] 9f86c48de58b5643e492d34d2535005aac3af62caccea727c26413d60f812b94