[INFO] fetching crate jfc 0.1.12...
[INFO] testing jfc-0.1.12 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate jfc 0.1.12 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jfc 0.1.12 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c9356f3b974eaa70701cef95cadf6f2c2ea7538c48c1b9d433c958e6ea5eb85
[INFO] running `Command { std: "docker" "start" "-a" "3c9356f3b974eaa70701cef95cadf6f2c2ea7538c48c1b9d433c958e6ea5eb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c9356f3b974eaa70701cef95cadf6f2c2ea7538c48c1b9d433c958e6ea5eb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c9356f3b974eaa70701cef95cadf6f2c2ea7538c48c1b9d433c958e6ea5eb85", kill_on_drop: false }`
[INFO] [stdout] 3c9356f3b974eaa70701cef95cadf6f2c2ea7538c48c1b9d433c958e6ea5eb85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cb992d9835b845f0a44e208e90ae248bb68c0fe91c08a311a25726ed68160f5
[INFO] running `Command { std: "docker" "start" "-a" "6cb992d9835b845f0a44e208e90ae248bb68c0fe91c08a311a25726ed68160f5", 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 unicode-width v0.2.1
[INFO] [stderr]    Compiling generic_tokenizer v0.1.0
[INFO] [stderr]    Compiling colored v3.0.0
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "6cb992d9835b845f0a44e208e90ae248bb68c0fe91c08a311a25726ed68160f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb992d9835b845f0a44e208e90ae248bb68c0fe91c08a311a25726ed68160f5", kill_on_drop: false }`
[INFO] [stdout] 6cb992d9835b845f0a44e208e90ae248bb68c0fe91c08a311a25726ed68160f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e04a6d79802735b8b5895258fa06468db22aabef4860f3bc939d9f3f20ca5aec
[INFO] running `Command { std: "docker" "start" "-a" "e04a6d79802735b8b5895258fa06468db22aabef4860f3bc939d9f3f20ca5aec", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "e04a6d79802735b8b5895258fa06468db22aabef4860f3bc939d9f3f20ca5aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04a6d79802735b8b5895258fa06468db22aabef4860f3bc939d9f3f20ca5aec", kill_on_drop: false }`
[INFO] [stdout] e04a6d79802735b8b5895258fa06468db22aabef4860f3bc939d9f3f20ca5aec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be04b9af30356d2ccafd64d6202797116796369f5f4b6d22eea8382ece44749b
[INFO] running `Command { std: "docker" "start" "-a" "be04b9af30356d2ccafd64d6202797116796369f5f4b6d22eea8382ece44749b", 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jfc` (bin "jfc" test) generated 1 warning (run `cargo fix --bin "jfc" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/jfc-964ac086ce2445a4)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[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::removes_leading_zeroes ... 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::parser::tests::obj_keys_with_escapes_work ... ok
[INFO] [stdout] test json::tests::char_indices_test ... ok
[INFO] [stdout] test json::tests::double_escapes_bad_escape_sequences ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be04b9af30356d2ccafd64d6202797116796369f5f4b6d22eea8382ece44749b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be04b9af30356d2ccafd64d6202797116796369f5f4b6d22eea8382ece44749b", kill_on_drop: false }`
[INFO] [stdout] be04b9af30356d2ccafd64d6202797116796369f5f4b6d22eea8382ece44749b