[INFO] cloning repository https://github.com/higumachan/zero-rust-regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/higumachan/zero-rust-regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhigumachan%2Fzero-rust-regex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhigumachan%2Fzero-rust-regex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8732c7af51d5de65474ef0aae1a0cd3eb44454ad
[INFO] checking higumachan/zero-rust-regex against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhigumachan%2Fzero-rust-regex" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/higumachan/zero-rust-regex
[INFO] finished tweaking git repo https://github.com/higumachan/zero-rust-regex
[INFO] tweaked toml for git repo https://github.com/higumachan/zero-rust-regex written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/higumachan/zero-rust-regex on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/higumachan/zero-rust-regex 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest_macros v0.16.0
[INFO] [stderr]   Downloaded rstest v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 339624cc0abc330dbec0fd4eb871e3e7a7003eb8cdc12526bf5adceb5834a825
[INFO] running `Command { std: "docker" "start" "-a" "339624cc0abc330dbec0fd4eb871e3e7a7003eb8cdc12526bf5adceb5834a825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "339624cc0abc330dbec0fd4eb871e3e7a7003eb8cdc12526bf5adceb5834a825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339624cc0abc330dbec0fd4eb871e3e7a7003eb8cdc12526bf5adceb5834a825", kill_on_drop: false }`
[INFO] [stdout] 339624cc0abc330dbec0fd4eb871e3e7a7003eb8cdc12526bf5adceb5834a825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7afa225cfc740c5990296fa86cb4a051e16f44945467e669981b18477bcad71
[INFO] running `Command { std: "docker" "start" "-a" "a7afa225cfc740c5990296fa86cb4a051e16f44945467e669981b18477bcad71", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking ciborium-io v0.2.0
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking ciborium-ll v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking zero-rust-regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stdout] warning: unused variable: `inst`
[INFO] [stdout]   --> src/engine/evaluator.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     inst: &[Instruction],
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/engine/evaluator.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     line: &[char],
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_context` is never used
[INFO] [stdout]    --> src/engine/evaluator.rs:266:4
[INFO] [stdout]     |
[INFO] [stdout] 266 | fn display_context(inst: &[Instruction], line: &[char], pc: usize, sp: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/engine/parser.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |     InvalidEscape(usize, char),
[INFO] [stdout]    |     ------------- ^^^^^  ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 22 -     InvalidEscape(usize, char),
[INFO] [stdout] 22 +     InvalidEscape((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/engine/parser.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     NoPrev(usize),
[INFO] [stdout]    |     ------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     NoPrev(usize),
[INFO] [stdout] 25 +     NoPrev(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SafeAdd` is never used
[INFO] [stdout]  --> src/helper.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) trait SafeAdd: Sized {
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.2.23
[INFO] [stderr]    Compiling rstest_macros v0.16.0
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking futures v0.3.25
[INFO] [stderr]     Checking rstest v0.16.0
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: unused variable: `inst`
[INFO] [stdout]   --> src/engine/evaluator.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     inst: &[Instruction],
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/engine/evaluator.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     line: &[char],
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]    --> src/engine/parser.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let expr = "^a";
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expect`
[INFO] [stdout]   --> src/lib.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |         #[case] expect: bool,
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expect`
[INFO] [stdout]   --> src/lib.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |         #[case] expect: bool,
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expect`
[INFO] [stdout]   --> src/lib.rs:88:73
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn parse_error_case(#[case] expr: &str, #[case] line: &str, #[case] expect: bool) {
[INFO] [stdout]    |                                                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_expect`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_context` is never used
[INFO] [stdout]    --> src/engine/evaluator.rs:266:4
[INFO] [stdout]     |
[INFO] [stdout] 266 | fn display_context(inst: &[Instruction], line: &[char], pc: usize, sp: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/engine/parser.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |     InvalidEscape(usize, char),
[INFO] [stdout]    |     ------------- ^^^^^  ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 22 -     InvalidEscape(usize, char),
[INFO] [stdout] 22 +     InvalidEscape((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/engine/parser.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     NoPrev(usize),
[INFO] [stdout]    |     ------ ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 25 -     NoPrev(usize),
[INFO] [stdout] 25 +     NoPrev(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SafeAdd` is never used
[INFO] [stdout]  --> src/helper.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) trait SafeAdd: Sized {
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.11s
[INFO] running `Command { std: "docker" "inspect" "a7afa225cfc740c5990296fa86cb4a051e16f44945467e669981b18477bcad71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7afa225cfc740c5990296fa86cb4a051e16f44945467e669981b18477bcad71", kill_on_drop: false }`
[INFO] [stdout] a7afa225cfc740c5990296fa86cb4a051e16f44945467e669981b18477bcad71
