[INFO] fetching crate kstring 2.0.2...
[INFO] testing kstring-2.0.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate kstring 2.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate kstring 2.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate kstring 2.0.2
[INFO] tweaked toml for crates.io crate kstring 2.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kstring 2.0.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kstring 2.0.2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded ciborium-io v0.2.0
[INFO] [stderr]   Downloaded litrs v0.2.3
[INFO] [stderr]   Downloaded ciborium-ll v0.2.0
[INFO] [stderr]   Downloaded ciborium v0.2.0
[INFO] [stderr]   Downloaded once_cell v1.17.2
[INFO] [stderr]   Downloaded clap v4.3.0
[INFO] [stderr]   Downloaded rayon-core v1.9.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.8
[INFO] [stderr]   Downloaded itertools v0.10.3
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.1
[INFO] [stderr]   Downloaded clap_builder v4.3.0
[INFO] [stderr]   Downloaded proptest v1.5.0
[INFO] [stderr]   Downloaded rayon v1.5.1
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] [stderr]   Downloaded redox_syscall v0.2.12
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.2
[INFO] [stderr]   Downloaded rustix v0.37.19
[INFO] [stderr]   Downloaded plotters-svg v0.3.1
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded document-features v0.2.6
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1652ad96f81ba5c0f94f147df6502f3f74f05143a58c1cb466b41306c73e73b9
[INFO] running `Command { std: "docker" "start" "-a" "1652ad96f81ba5c0f94f147df6502f3f74f05143a58c1cb466b41306c73e73b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1652ad96f81ba5c0f94f147df6502f3f74f05143a58c1cb466b41306c73e73b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1652ad96f81ba5c0f94f147df6502f3f74f05143a58c1cb466b41306c73e73b9", kill_on_drop: false }`
[INFO] [stdout] 1652ad96f81ba5c0f94f147df6502f3f74f05143a58c1cb466b41306c73e73b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93473a4211671942de6e03e42a8957df070cb16710bd8fb8f1d3577218864cb8
[INFO] running `Command { std: "docker" "start" "-a" "93473a4211671942de6e03e42a8957df070cb16710bd8fb8f1d3577218864cb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling kstring v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "93473a4211671942de6e03e42a8957df070cb16710bd8fb8f1d3577218864cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93473a4211671942de6e03e42a8957df070cb16710bd8fb8f1d3577218864cb8", kill_on_drop: false }`
[INFO] [stdout] 93473a4211671942de6e03e42a8957df070cb16710bd8fb8f1d3577218864cb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d7448222395f0266f31e3df1aebcfa62c1a25a5affa7382e581bdab48874c62
[INFO] running `Command { std: "docker" "start" "-a" "8d7448222395f0266f31e3df1aebcfa62c1a25a5affa7382e581bdab48874c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling ciborium-ll v0.2.0
[INFO] [stderr]    Compiling clap_builder v4.3.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling once_cell v1.17.2
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling clap v4.3.0
[INFO] [stderr]    Compiling proptest v1.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling ciborium v0.2.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling kstring v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 29.11s
[INFO] running `Command { std: "docker" "inspect" "8d7448222395f0266f31e3df1aebcfa62c1a25a5affa7382e581bdab48874c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7448222395f0266f31e3df1aebcfa62c1a25a5affa7382e581bdab48874c62", kill_on_drop: false }`
[INFO] [stdout] 8d7448222395f0266f31e3df1aebcfa62c1a25a5affa7382e581bdab48874c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e9ab4f4d68e107dedde339efd58f502974a740b51f0228b677e601574f6f960
[INFO] running `Command { std: "docker" "start" "-a" "5e9ab4f4d68e107dedde339efd58f502974a740b51f0228b677e601574f6f960", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kstring-ac5963a12f0bf5e5)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test string::test::test_size ... ok
[INFO] [stdout] test string_ref::test::test_size ... ok
[INFO] [stdout] test test::test_size ... ok
[INFO] [stdout] test string_cow::test::test_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kstring
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/stack.rs - stack::StackString<CAPACITY>::new (line 65) ... ok
[INFO] [stdout] test src/stack.rs - stack::StackString<CAPACITY>::clear (line 205) ... ok
[INFO] [stdout] test src/stack.rs - stack::StackString<CAPACITY>::as_str (line 111) ... ok
[INFO] [stdout] test src/stack.rs - stack::StackString<CAPACITY>::as_mut_str (line 136) ... ok
[INFO] [stdout] test src/stack.rs - stack::StackString<CAPACITY>::try_new (line 29) ... ok
[INFO] [stdout] test src/stack.rs - stack::StackString<CAPACITY>::len (line 166) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/stack.rs - stack::StackString<CAPACITY>::truncate (line 234) ... ok
[INFO] [stdout] test src/stack.rs - stack::StackString<CAPACITY>::is_empty (line 186) ... ok
[INFO] [stdout] test src/stack.rs - stack::StackString<CAPACITY>::new_unchecked (line 88) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e9ab4f4d68e107dedde339efd58f502974a740b51f0228b677e601574f6f960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9ab4f4d68e107dedde339efd58f502974a740b51f0228b677e601574f6f960", kill_on_drop: false }`
[INFO] [stdout] 5e9ab4f4d68e107dedde339efd58f502974a740b51f0228b677e601574f6f960