[INFO] fetching crate bnf_sampler 0.3.5...
[INFO] testing bnf_sampler-0.3.5 against 1.76.0 for beta-1.77-1
[INFO] extracting crate bnf_sampler 0.3.5 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bnf_sampler 0.3.5 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bnf_sampler 0.3.5
[INFO] finished tweaking crates.io crate bnf_sampler 0.3.5
[INFO] tweaked toml for crates.io crate bnf_sampler 0.3.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded qp-trie v0.8.2
[INFO] [stderr]   Downloaded bit-set v0.5.3
[INFO] [stderr]   Downloaded mimalloc v0.1.39
[INFO] [stderr]   Downloaded nohash-hasher v0.2.0
[INFO] [stderr]   Downloaded bnf v0.5.0
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.35
[INFO] [stderr]   Downloaded itertools v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc86b9088181af581704b9329e96ca06bdd517cb84a5845cd6e6c0a732016703
[INFO] running `Command { std: "docker" "start" "-a" "fc86b9088181af581704b9329e96ca06bdd517cb84a5845cd6e6c0a732016703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc86b9088181af581704b9329e96ca06bdd517cb84a5845cd6e6c0a732016703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc86b9088181af581704b9329e96ca06bdd517cb84a5845cd6e6c0a732016703", kill_on_drop: false }`
[INFO] [stdout] fc86b9088181af581704b9329e96ca06bdd517cb84a5845cd6e6c0a732016703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] addd415ceba0e836537ec839ac0c153a408d546ae95badf43d9cb7e0bf272d23
[INFO] running `Command { std: "docker" "start" "-a" "addd415ceba0e836537ec839ac0c153a408d546ae95badf43d9cb7e0bf272d23", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling qp-trie v0.8.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.35
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling mimalloc v0.1.39
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling bnf v0.5.0
[INFO] [stderr]    Compiling bnf_sampler v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils::SliceU8Wrapper`
[INFO] [stdout]   --> src/sampler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::SliceU8Wrapper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/sampler.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/sampler.rs:260:33
[INFO] [stdout]     |
[INFO] [stdout] 260 | ...                   let now = Instant::now();
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.04s
[INFO] running `Command { std: "docker" "inspect" "addd415ceba0e836537ec839ac0c153a408d546ae95badf43d9cb7e0bf272d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "addd415ceba0e836537ec839ac0c153a408d546ae95badf43d9cb7e0bf272d23", kill_on_drop: false }`
[INFO] [stdout] addd415ceba0e836537ec839ac0c153a408d546ae95badf43d9cb7e0bf272d23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a96acab488b52c67e1b98265d3f93c14bf0ada499c0689035b2c3b21bd5636c
[INFO] running `Command { std: "docker" "start" "-a" "7a96acab488b52c67e1b98265d3f93c14bf0ada499c0689035b2c3b21bd5636c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::utils::SliceU8Wrapper`
[INFO] [stdout]   --> src/sampler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::SliceU8Wrapper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/sampler.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bnf_sampler v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/sampler.rs:260:33
[INFO] [stdout]     |
[INFO] [stdout] 260 | ...                   let now = Instant::now();
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::SliceU8Wrapper`
[INFO] [stdout]   --> src/sampler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::SliceU8Wrapper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/sampler.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/sampler.rs:260:33
[INFO] [stdout]     |
[INFO] [stdout] 260 | ...                   let now = Instant::now();
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "7a96acab488b52c67e1b98265d3f93c14bf0ada499c0689035b2c3b21bd5636c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a96acab488b52c67e1b98265d3f93c14bf0ada499c0689035b2c3b21bd5636c", kill_on_drop: false }`
[INFO] [stdout] 7a96acab488b52c67e1b98265d3f93c14bf0ada499c0689035b2c3b21bd5636c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b292b935bd95fbf9de2c2988bb6aea43d599d424b844d9fa8e6d714bec776e3b
[INFO] running `Command { std: "docker" "start" "-a" "b292b935bd95fbf9de2c2988bb6aea43d599d424b844d9fa8e6d714bec776e3b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::utils::SliceU8Wrapper`
[INFO] [stderr]   --> src/sampler.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::utils::SliceU8Wrapper;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]   --> src/sampler.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::cmp;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]    --> src/sampler.rs:260:33
[INFO] [stderr]     |
[INFO] [stderr] 260 | ...                   let now = Instant::now();
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bnf_sampler` (lib) generated 3 warnings (run `cargo fix --lib -p bnf_sampler` to apply 3 suggestions)
[INFO] [stderr] warning: `bnf_sampler` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bnf_sampler-370058c6c9594859)
[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] [stderr]    Doc-tests bnf_sampler
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/utils.rs - utils::fix_utf8_escape (line 131) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/utils.rs - utils::fix_utf8_escape (line 131) stdout ----
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `,`
[INFO] [stdout]  --> src/utils.rs:132:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | "\\symbol", ["\\", "symbol"]
[INFO] [stdout]   |           ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/utils.rs - utils::fix_utf8_escape (line 131)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b292b935bd95fbf9de2c2988bb6aea43d599d424b844d9fa8e6d714bec776e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b292b935bd95fbf9de2c2988bb6aea43d599d424b844d9fa8e6d714bec776e3b", kill_on_drop: false }`
[INFO] [stdout] b292b935bd95fbf9de2c2988bb6aea43d599d424b844d9fa8e6d714bec776e3b
[INFO] testing bnf_sampler-0.3.5 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate bnf_sampler 0.3.5 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate bnf_sampler 0.3.5 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bnf_sampler 0.3.5
[INFO] finished tweaking crates.io crate bnf_sampler 0.3.5
[INFO] tweaked toml for crates.io crate bnf_sampler 0.3.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98345d281cdaf9ba73a884c545e338cd5c1e28f34b5c0667ad9cc4c3985b82fd
[INFO] running `Command { std: "docker" "start" "-a" "98345d281cdaf9ba73a884c545e338cd5c1e28f34b5c0667ad9cc4c3985b82fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98345d281cdaf9ba73a884c545e338cd5c1e28f34b5c0667ad9cc4c3985b82fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98345d281cdaf9ba73a884c545e338cd5c1e28f34b5c0667ad9cc4c3985b82fd", kill_on_drop: false }`
[INFO] [stdout] 98345d281cdaf9ba73a884c545e338cd5c1e28f34b5c0667ad9cc4c3985b82fd
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d19abad3070a601b5baf52bde5d7b12b8b7d766fe6ea0da3729497031568bbbf
[INFO] running `Command { std: "docker" "start" "-a" "d19abad3070a601b5baf52bde5d7b12b8b7d766fe6ea0da3729497031568bbbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling cc v1.0.85
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling qp-trie v0.8.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.35
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling mimalloc v0.1.39
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling bnf v0.5.0
[INFO] [stderr]    Compiling bnf_sampler v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils::SliceU8Wrapper`
[INFO] [stdout]   --> src/sampler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::SliceU8Wrapper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/sampler.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/sampler.rs:260:33
[INFO] [stdout]     |
[INFO] [stdout] 260 | ...                   let now = Instant::now();
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.56s
[INFO] running `Command { std: "docker" "inspect" "d19abad3070a601b5baf52bde5d7b12b8b7d766fe6ea0da3729497031568bbbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19abad3070a601b5baf52bde5d7b12b8b7d766fe6ea0da3729497031568bbbf", kill_on_drop: false }`
[INFO] [stdout] d19abad3070a601b5baf52bde5d7b12b8b7d766fe6ea0da3729497031568bbbf
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee01012c7189ca71ee51825f579a9a6ed7a5d25d9b2b42657ccdcd20757bf9c1
[INFO] running `Command { std: "docker" "start" "-a" "ee01012c7189ca71ee51825f579a9a6ed7a5d25d9b2b42657ccdcd20757bf9c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling bnf_sampler v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils::SliceU8Wrapper`
[INFO] [stdout]   --> src/sampler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::SliceU8Wrapper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/sampler.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/sampler.rs:260:33
[INFO] [stdout]     |
[INFO] [stdout] 260 | ...                   let now = Instant::now();
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::SliceU8Wrapper`
[INFO] [stdout]   --> src/sampler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::SliceU8Wrapper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/sampler.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/sampler.rs:260:33
[INFO] [stdout]     |
[INFO] [stdout] 260 | ...                   let now = Instant::now();
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "ee01012c7189ca71ee51825f579a9a6ed7a5d25d9b2b42657ccdcd20757bf9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee01012c7189ca71ee51825f579a9a6ed7a5d25d9b2b42657ccdcd20757bf9c1", kill_on_drop: false }`
[INFO] [stdout] ee01012c7189ca71ee51825f579a9a6ed7a5d25d9b2b42657ccdcd20757bf9c1
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79098fba2dc957064a33a5f5db83d4cce91d2e81d3a813c791cb11235f098503
[INFO] running `Command { std: "docker" "start" "-a" "79098fba2dc957064a33a5f5db83d4cce91d2e81d3a813c791cb11235f098503", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::utils::SliceU8Wrapper`
[INFO] [stderr]   --> src/sampler.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::utils::SliceU8Wrapper;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp`
[INFO] [stderr]   --> src/sampler.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::cmp;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]    --> src/sampler.rs:260:33
[INFO] [stderr]     |
[INFO] [stderr] 260 | ...                   let now = Instant::now();
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bnf_sampler` (lib) generated 3 warnings (run `cargo fix --lib -p bnf_sampler` to apply 3 suggestions)
[INFO] [stderr] warning: `bnf_sampler` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bnf_sampler-535aa7d8a71f42d4)
[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] [stderr]    Doc-tests bnf_sampler
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/utils.rs - utils::fix_utf8_escape (line 131) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/utils.rs - utils::fix_utf8_escape (line 131) stdout ----
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `,`
[INFO] [stdout]  --> src/utils.rs:132:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | "\\symbol", ["\\", "symbol"]
[INFO] [stdout]   |           ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/utils.rs - utils::fix_utf8_escape (line 131)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "79098fba2dc957064a33a5f5db83d4cce91d2e81d3a813c791cb11235f098503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79098fba2dc957064a33a5f5db83d4cce91d2e81d3a813c791cb11235f098503", kill_on_drop: false }`
[INFO] [stdout] 79098fba2dc957064a33a5f5db83d4cce91d2e81d3a813c791cb11235f098503
