[INFO] fetching crate jfc 0.1.12...
[INFO] testing jfc-0.1.12 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate jfc 0.1.12 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate jfc 0.1.12
[INFO] finished tweaking crates.io crate jfc 0.1.12
[INFO] tweaked toml for crates.io crate jfc 0.1.12 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jfc 0.1.12 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jfc 0.1.12 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic_tokenizer v0.1.0
[INFO] [stderr]   Downloaded anstream v0.6.11
[INFO] [stderr]   Downloaded clap v4.5.0
[INFO] [stderr]   Downloaded clap_builder v4.5.0
[INFO] [stderr]   Downloaded syn v2.0.85
[INFO] [stderr]   Downloaded unicode-width v0.2.1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c77e9e01f26699aea63bc4a1c79b63a13ec6831996f11b85d7cbe5c89c84609e
[INFO] running `Command { std: "docker" "start" "-a" "c77e9e01f26699aea63bc4a1c79b63a13ec6831996f11b85d7cbe5c89c84609e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c77e9e01f26699aea63bc4a1c79b63a13ec6831996f11b85d7cbe5c89c84609e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77e9e01f26699aea63bc4a1c79b63a13ec6831996f11b85d7cbe5c89c84609e", kill_on_drop: false }`
[INFO] [stdout] c77e9e01f26699aea63bc4a1c79b63a13ec6831996f11b85d7cbe5c89c84609e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fbbb2dc0dd919c36d509384466b83c63b9e5fc73ebeb1ca67fead75b5f57684
[INFO] running `Command { std: "docker" "start" "-a" "1fbbb2dc0dd919c36d509384466b83c63b9e5fc73ebeb1ca67fead75b5f57684", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling generic_tokenizer v0.1.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling anstream v0.6.11
[INFO] [stderr]    Compiling clap_builder v4.5.0
[INFO] [stderr]    Compiling clap v4.5.0
[INFO] [stderr]    Compiling jfc v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error` and `stdin`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 6 |     fs::OpenOptions,
[INFO] [stdout] 7 |     io::{stderr, stdin, stdout, BufRead, BufReader, Read, Write},
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.93s
[INFO] running `Command { std: "docker" "inspect" "1fbbb2dc0dd919c36d509384466b83c63b9e5fc73ebeb1ca67fead75b5f57684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fbbb2dc0dd919c36d509384466b83c63b9e5fc73ebeb1ca67fead75b5f57684", kill_on_drop: false }`
[INFO] [stdout] 1fbbb2dc0dd919c36d509384466b83c63b9e5fc73ebeb1ca67fead75b5f57684
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff22adcdc64470d1b4b69616b26d2b4c2d7f9e58d7853755f37771bfe0da2f49
[INFO] running `Command { std: "docker" "start" "-a" "ff22adcdc64470d1b4b69616b26d2b4c2d7f9e58d7853755f37771bfe0da2f49", kill_on_drop: false }`
[INFO] [stderr]    Compiling jfc v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error` and `stdin`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     error::Error,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 6 |     fs::OpenOptions,
[INFO] [stdout] 7 |     io::{stderr, stdin, stdout, BufRead, BufReader, Read, Write},
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "ff22adcdc64470d1b4b69616b26d2b4c2d7f9e58d7853755f37771bfe0da2f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff22adcdc64470d1b4b69616b26d2b4c2d7f9e58d7853755f37771bfe0da2f49", kill_on_drop: false }`
[INFO] [stdout] ff22adcdc64470d1b4b69616b26d2b4c2d7f9e58d7853755f37771bfe0da2f49
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc1aec809908b5429087d407828f7086a48c5f3ff5d875a5399d90d305730279
[INFO] running `Command { std: "docker" "start" "-a" "bc1aec809908b5429087d407828f7086a48c5f3ff5d875a5399d90d305730279", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `error::Error` and `stdin`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     error::Error,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 6 |     fs::OpenOptions,
[INFO] [stderr] 7 |     io::{stderr, stdin, stdout, BufRead, BufReader, Read, Write},
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jfc` (bin "jfc" test) generated 1 warning (run `cargo fix --bin "jfc" -p jfc --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/jfc-b2befea5852a92d8)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test json::tests::char_indices_test ... ok
[INFO] [stdout] test json::tests::double_escapes_bad_escape_sequences ... ok
[INFO] [stdout] test json::parser::tests::obj_keys_with_escapes_work ... ok
[INFO] [stdout] test json::tests::escape_sequences ... ok
[INFO] [stdout] test json::tests::handles_key_collisions ... ok
[INFO] [stdout] test json::tests::leaves_escape_sequences ... ok
[INFO] [stdout] test json::tests::parses_valid_json ... ok
[INFO] [stdout] test json::tests::to_string_on_escaped_strings ... ok
[INFO] [stdout] test json::tests::removes_leading_zeroes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc1aec809908b5429087d407828f7086a48c5f3ff5d875a5399d90d305730279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc1aec809908b5429087d407828f7086a48c5f3ff5d875a5399d90d305730279", kill_on_drop: false }`
[INFO] [stdout] bc1aec809908b5429087d407828f7086a48c5f3ff5d875a5399d90d305730279