[INFO] cloning repository https://github.com/artichoke/artichoke
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/artichoke/artichoke" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fartichoke", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fartichoke'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 287b1fb132d1cf3bfb4800ac05c7bac6a2a71fd7
[INFO] checking artichoke/artichoke against nightly-2024-02-05 for check-cfg-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartichoke%2Fartichoke" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
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[INFO] validating manifest of git repo https://github.com/artichoke/artichoke on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/artichoke/artichoke
[INFO] finished tweaking git repo https://github.com/artichoke/artichoke
[INFO] tweaked toml for git repo https://github.com/artichoke/artichoke written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/artichoke/artichoke 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.89
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a6482f8f23e6abfa55ca45dff230d3b8e587453e9afc75ac2805b06d3c16096
[INFO] running `Command { std: "docker" "start" "-a" "5a6482f8f23e6abfa55ca45dff230d3b8e587453e9afc75ac2805b06d3c16096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a6482f8f23e6abfa55ca45dff230d3b8e587453e9afc75ac2805b06d3c16096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6482f8f23e6abfa55ca45dff230d3b8e587453e9afc75ac2805b06d3c16096", kill_on_drop: false }`
[INFO] [stdout] 5a6482f8f23e6abfa55ca45dff230d3b8e587453e9afc75ac2805b06d3c16096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc61aad7cc58c8e750e488a0f322583f196008a2e10d4c3e2758db5556586c46
[INFO] running `Command { std: "docker" "start" "-a" "cc61aad7cc58c8e750e488a0f322583f196008a2e10d4c3e2758db5556586c46", kill_on_drop: false }`
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[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking artichoke-repl-history v1.0.0 (/opt/rustwide/workdir/artichoke-repl-history)
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling artichoke v0.1.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustyline v13.0.0
[INFO] [stderr]     Checking mezzaluna-loaded-features v0.9.0 (/opt/rustwide/workdir/mezzaluna-loaded-features)
[INFO] [stderr]     Checking artichoke-readline v1.1.0 (/opt/rustwide/workdir/artichoke-readline)
[INFO] [stderr]     Checking mezzaluna-load-path v0.1.0 (/opt/rustwide/workdir/mezzaluna-load-path)
[INFO] [stderr]     Checking scolapasta-fixable v0.1.0 (/opt/rustwide/workdir/scolapasta-fixable)
[INFO] [stderr]     Checking clap v4.4.10
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]    Compiling artichoke-backend v0.24.1 (/opt/rustwide/workdir/artichoke-backend)
[INFO] [stderr]     Checking spinoso-regexp v0.5.0 (/opt/rustwide/workdir/spinoso-regexp)
[INFO] [stdout] warning: unused imports: `HIGHEST_MATCH_GROUP`, `RegexpError`
[INFO] [stdout]   --> artichoke-backend/src/extn/core/regexp/mod.rs:16:103
[INFO] [stdout]    |
[INFO] [stdout] 16 |     nth_match_group_bytes as nth_match_group, Config, Encoding, Flags, InvalidEncodingError, Options, RegexpError,
[INFO] [stdout]    |                                                                                                       ^^^^^^^^^^^
[INFO] [stdout] 17 |     RegexpOption, Source, HIGHEST_MATCH_GROUP, LAST_MATCH, LAST_MATCHED_STRING, STRING_LEFT_OF_MATCH,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NilableString`
[INFO] [stdout]   --> artichoke-backend/src/extn/core/regexp/mod.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub use backend::{NilableString, RegexpType, Scan};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HIGHEST_MATCH_GROUP`, `RegexpError`
[INFO] [stdout]   --> artichoke-backend/src/extn/core/regexp/mod.rs:16:103
[INFO] [stdout]    |
[INFO] [stdout] 16 |     nth_match_group_bytes as nth_match_group, Config, Encoding, Flags, InvalidEncodingError, Options, RegexpError,
[INFO] [stdout]    |                                                                                                       ^^^^^^^^^^^
[INFO] [stdout] 17 |     RegexpOption, Source, HIGHEST_MATCH_GROUP, LAST_MATCH, LAST_MATCHED_STRING, STRING_LEFT_OF_MATCH,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NilableString`
[INFO] [stdout]   --> artichoke-backend/src/extn/core/regexp/mod.rs:38:19
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub use backend::{NilableString, RegexpType, Scan};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `*`, `Regexp as _`
[INFO] [stdout]   --> artichoke-backend/src/test/prelude.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use crate::core::{Regexp as _, Value as _, *};
[INFO] [stdout]    |                       ^^^^^^^^^^^              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NotDefinedError`
[INFO] [stdout]   --> artichoke-backend/src/test/prelude.rs:19:48
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use crate::def::{self, EnclosingRubyScope, NotDefinedError};
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "cc61aad7cc58c8e750e488a0f322583f196008a2e10d4c3e2758db5556586c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc61aad7cc58c8e750e488a0f322583f196008a2e10d4c3e2758db5556586c46", kill_on_drop: false }`
[INFO] [stdout] cc61aad7cc58c8e750e488a0f322583f196008a2e10d4c3e2758db5556586c46
