[INFO] cloning repository https://github.com/mladen5000/rust_walkdir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mladen5000/rust_walkdir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmladen5000%2Frust_walkdir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmladen5000%2Frust_walkdir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca4f6a9b4199cd0845f4ab1e2addb4bf381036f1
[INFO] checking mladen5000/rust_walkdir against try#0c70cfbec949d241375e31c5a42066be70c720fc for pr-149681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmladen5000%2Frust_walkdir" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mladen5000/rust_walkdir
[INFO] finished tweaking git repo https://github.com/mladen5000/rust_walkdir
[INFO] tweaked toml for git repo https://github.com/mladen5000/rust_walkdir written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mladen5000/rust_walkdir on toolchain 0c70cfbec949d241375e31c5a42066be70c720fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mladen5000/rust_walkdir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "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 rayon v1.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f99ddd83d03aab6076780e6ce0f6bfa102874ecbba6a9442f5a9f89036641e7
[INFO] running `Command { std: "docker" "start" "-a" "1f99ddd83d03aab6076780e6ce0f6bfa102874ecbba6a9442f5a9f89036641e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f99ddd83d03aab6076780e6ce0f6bfa102874ecbba6a9442f5a9f89036641e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f99ddd83d03aab6076780e6ce0f6bfa102874ecbba6a9442f5a9f89036641e7", kill_on_drop: false }`
[INFO] [stdout] 1f99ddd83d03aab6076780e6ce0f6bfa102874ecbba6a9442f5a9f89036641e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa01c589f3753e12525b15c9a344fbff6a97e4e74bc1a2bea8d9959c949ea379
[INFO] running `Command { std: "docker" "start" "-a" "aa01c589f3753e12525b15c9a344fbff6a97e4e74bc1a2bea8d9959c949ea379", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking rust_walkdir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `branch::alt` and `multi::many0_count`
[INFO] [stdout]  --> src/fastq.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     branch::alt,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     multi::many0_count,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::vec`
[INFO] [stdout]   --> src/fastq.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rayon::vec;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead` and `read`
[INFO] [stdout]   --> src/fastq.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fs::{read, File},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 14 |     io::{self, BufRead, BufReader, Read},
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]   --> src/fastq.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 Ok((next_input, record)) => {
[INFO] [stdout]    |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `branch::alt` and `multi::many0_count`
[INFO] [stdout]  --> src/fastq.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     branch::alt,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 |     multi::many0_count,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::vec`
[INFO] [stdout]   --> src/fastq.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use rayon::vec;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead` and `read`
[INFO] [stdout]   --> src/fastq.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fs::{read, File},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 14 |     io::{self, BufRead, BufReader, Read},
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FastqRecord` is never constructed
[INFO] [stdout]   --> src/fastq.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct FastqRecord<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_not_newline` is never used
[INFO] [stdout]   --> src/fastq.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn is_not_newline(c: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fastq_record` is never used
[INFO] [stdout]   --> src/fastq.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn fastq_record(input: &str) -> IResult<&str, FastqRecord> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fastq_main` is never used
[INFO] [stdout]   --> src/fastq.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn fastq_main() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/fastq.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn fastq_record(input: &str) -> IResult<&str, FastqRecord> {
[INFO] [stdout]    |                        ^^^^             ^^^^  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |                |
[INFO] [stdout]    |                        |                the same lifetime is elided here
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn fastq_record(input: &str) -> IResult<&str, FastqRecord<'_>> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]   --> src/fastq.rs:86:33
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 Ok((next_input, record)) => {
[INFO] [stdout]    |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FastqRecord` is never constructed
[INFO] [stdout]   --> src/fastq.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct FastqRecord<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_not_newline` is never used
[INFO] [stdout]   --> src/fastq.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn is_not_newline(c: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fastq_record` is never used
[INFO] [stdout]   --> src/fastq.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn fastq_record(input: &str) -> IResult<&str, FastqRecord> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fastq_main` is never used
[INFO] [stdout]   --> src/fastq.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn fastq_main() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/fastq.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn fastq_record(input: &str) -> IResult<&str, FastqRecord> {
[INFO] [stdout]    |                        ^^^^             ^^^^  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |                |
[INFO] [stdout]    |                        |                the same lifetime is elided here
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn fastq_record(input: &str) -> IResult<&str, FastqRecord<'_>> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `Command { std: "docker" "inspect" "aa01c589f3753e12525b15c9a344fbff6a97e4e74bc1a2bea8d9959c949ea379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa01c589f3753e12525b15c9a344fbff6a97e4e74bc1a2bea8d9959c949ea379", kill_on_drop: false }`
[INFO] [stdout] aa01c589f3753e12525b15c9a344fbff6a97e4e74bc1a2bea8d9959c949ea379