[INFO] fetching crate json_fast 0.1.0...
[INFO] testing json_fast-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate json_fast 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate json_fast 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate json_fast 0.1.0
[INFO] tweaked toml for crates.io crate json_fast 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate json_fast 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate json_fast 0.1.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1940fd4dd0d42b01736b74514d483f5d23b5ea58ec9afbdbcb289bda4891d9c6
[INFO] running `Command { std: "docker" "start" "-a" "1940fd4dd0d42b01736b74514d483f5d23b5ea58ec9afbdbcb289bda4891d9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1940fd4dd0d42b01736b74514d483f5d23b5ea58ec9afbdbcb289bda4891d9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1940fd4dd0d42b01736b74514d483f5d23b5ea58ec9afbdbcb289bda4891d9c6", kill_on_drop: false }`
[INFO] [stdout] 1940fd4dd0d42b01736b74514d483f5d23b5ea58ec9afbdbcb289bda4891d9c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aff4b8c4dbbf632db7908c7e5af7bddd8e7a09f0cbbe77458eaaa00d879ec6b
[INFO] running `Command { std: "docker" "start" "-a" "0aff4b8c4dbbf632db7908c7e5af7bddd8e7a09f0cbbe77458eaaa00d879ec6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling json_fast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `Command { std: "docker" "inspect" "0aff4b8c4dbbf632db7908c7e5af7bddd8e7a09f0cbbe77458eaaa00d879ec6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aff4b8c4dbbf632db7908c7e5af7bddd8e7a09f0cbbe77458eaaa00d879ec6b", kill_on_drop: false }`
[INFO] [stdout] 0aff4b8c4dbbf632db7908c7e5af7bddd8e7a09f0cbbe77458eaaa00d879ec6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abd3a9fe5e76c4c73180030fef01112a5868a809e9486c348434e33767bcebfe
[INFO] running `Command { std: "docker" "start" "-a" "abd3a9fe5e76c4c73180030fef01112a5868a809e9486c348434e33767bcebfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling clap_builder v4.5.39
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.39
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling json_fast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.48s
[INFO] running `Command { std: "docker" "inspect" "abd3a9fe5e76c4c73180030fef01112a5868a809e9486c348434e33767bcebfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abd3a9fe5e76c4c73180030fef01112a5868a809e9486c348434e33767bcebfe", kill_on_drop: false }`
[INFO] [stdout] abd3a9fe5e76c4c73180030fef01112a5868a809e9486c348434e33767bcebfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 303bfdcf4d6a47aab2c98ce273277917ffc5c5c54ab5a28dd0c685bd350087fc
[INFO] running `Command { std: "docker" "start" "-a" "303bfdcf4d6a47aab2c98ce273277917ffc5c5c54ab5a28dd0c685bd350087fc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_fast-4ae08754c13e1b78)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_parse_boolean ... ok
[INFO] [stdout] test tests::test_fallback_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_fast
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "303bfdcf4d6a47aab2c98ce273277917ffc5c5c54ab5a28dd0c685bd350087fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303bfdcf4d6a47aab2c98ce273277917ffc5c5c54ab5a28dd0c685bd350087fc", kill_on_drop: false }`
[INFO] [stdout] 303bfdcf4d6a47aab2c98ce273277917ffc5c5c54ab5a28dd0c685bd350087fc