[INFO] cloning repository https://github.com/Dan-wanna-M/bnf_sampler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dan-wanna-M/bnf_sampler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDan-wanna-M%2Fbnf_sampler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDan-wanna-M%2Fbnf_sampler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2acaf43955790059e20c01b9b95ebfd93b73d68
[INFO] checking Dan-wanna-M/bnf_sampler against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDan-wanna-M%2Fbnf_sampler" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dan-wanna-M/bnf_sampler on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dan-wanna-M/bnf_sampler
[INFO] finished tweaking git repo https://github.com/Dan-wanna-M/bnf_sampler
[INFO] tweaked toml for git repo https://github.com/Dan-wanna-M/bnf_sampler written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Dan-wanna-M/bnf_sampler 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded qp-trie v0.8.1
[INFO] [stderr]   Downloaded mimalloc v0.1.38
[INFO] [stderr]   Downloaded bnf v0.5.0
[INFO] [stderr]   Downloaded regex v1.9.4
[INFO] [stderr]   Downloaded regex-automata v0.3.7
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.34
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fbdcdc0a093ac335c0aa4ad1399d14e357403a951b8b16c1d478e09254ba774
[INFO] running `Command { std: "docker" "start" "-a" "9fbdcdc0a093ac335c0aa4ad1399d14e357403a951b8b16c1d478e09254ba774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fbdcdc0a093ac335c0aa4ad1399d14e357403a951b8b16c1d478e09254ba774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fbdcdc0a093ac335c0aa4ad1399d14e357403a951b8b16c1d478e09254ba774", kill_on_drop: false }`
[INFO] [stdout] 9fbdcdc0a093ac335c0aa4ad1399d14e357403a951b8b16c1d478e09254ba774
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce36588fefaa371bfc0b2af62e86f7f4470f7bac134c2c380f0068b89250bf7c
[INFO] running `Command { std: "docker" "start" "-a" "ce36588fefaa371bfc0b2af62e86f7f4470f7bac134c2c380f0068b89250bf7c", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking qp-trie v0.8.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking clap_builder v4.4.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.34
[INFO] [stderr]     Checking regex v1.9.4
[INFO] [stderr]     Checking mimalloc v0.1.38
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking bnf v0.5.0
[INFO] [stderr]     Checking bnf_sampler v0.3.6 (/opt/rustwide/workdir/bnf_sampler)
[INFO] [stdout] warning: struct `SliceU8Wrapper` is never constructed
[INFO] [stdout]   --> bnf_sampler/src/utils.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub(crate) struct SliceU8Wrapper<'a>(pub &'a [u8]);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SliceU8Wrapper` is never constructed
[INFO] [stdout]   --> bnf_sampler/src/utils.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub(crate) struct SliceU8Wrapper<'a>(pub &'a [u8]);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v4.4.2
[INFO] [stderr]     Checking console_playground v0.1.0 (/opt/rustwide/workdir/console_playground)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.19s
[INFO] running `Command { std: "docker" "inspect" "ce36588fefaa371bfc0b2af62e86f7f4470f7bac134c2c380f0068b89250bf7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce36588fefaa371bfc0b2af62e86f7f4470f7bac134c2c380f0068b89250bf7c", kill_on_drop: false }`
[INFO] [stdout] ce36588fefaa371bfc0b2af62e86f7f4470f7bac134c2c380f0068b89250bf7c
[INFO] checking Dan-wanna-M/bnf_sampler against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDan-wanna-M%2Fbnf_sampler" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dan-wanna-M/bnf_sampler on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dan-wanna-M/bnf_sampler
[INFO] finished tweaking git repo https://github.com/Dan-wanna-M/bnf_sampler
[INFO] tweaked toml for git repo https://github.com/Dan-wanna-M/bnf_sampler written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Dan-wanna-M/bnf_sampler 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd1357d588da7070c728edf57a6c644a5af40562d992fa17f0d344d00c3f3aea
[INFO] running `Command { std: "docker" "start" "-a" "fd1357d588da7070c728edf57a6c644a5af40562d992fa17f0d344d00c3f3aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd1357d588da7070c728edf57a6c644a5af40562d992fa17f0d344d00c3f3aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1357d588da7070c728edf57a6c644a5af40562d992fa17f0d344d00c3f3aea", kill_on_drop: false }`
[INFO] [stdout] fd1357d588da7070c728edf57a6c644a5af40562d992fa17f0d344d00c3f3aea
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c43db611fdee4078c9cbfd7b27c0e7b523819435aba7604edc3e3e26b3fa105
[INFO] running `Command { std: "docker" "start" "-a" "9c43db611fdee4078c9cbfd7b27c0e7b523819435aba7604edc3e3e26b3fa105", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking qp-trie v0.8.1
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking clap_builder v4.4.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.34
[INFO] [stderr]     Checking mimalloc v0.1.38
[INFO] [stderr]     Checking regex v1.9.4
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking bnf v0.5.0
[INFO] [stderr]     Checking bnf_sampler v0.3.6 (/opt/rustwide/workdir/bnf_sampler)
[INFO] [stdout] warning: struct `SliceU8Wrapper` is never constructed
[INFO] [stdout]   --> bnf_sampler/src/utils.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub(crate) struct SliceU8Wrapper<'a>(pub &'a [u8]);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SliceU8Wrapper` is never constructed
[INFO] [stdout]   --> bnf_sampler/src/utils.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub(crate) struct SliceU8Wrapper<'a>(pub &'a [u8]);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v4.4.2
[INFO] [stderr]     Checking console_playground v0.1.0 (/opt/rustwide/workdir/console_playground)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.63s
[INFO] running `Command { std: "docker" "inspect" "9c43db611fdee4078c9cbfd7b27c0e7b523819435aba7604edc3e3e26b3fa105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c43db611fdee4078c9cbfd7b27c0e7b523819435aba7604edc3e3e26b3fa105", kill_on_drop: false }`
[INFO] [stdout] 9c43db611fdee4078c9cbfd7b27c0e7b523819435aba7604edc3e3e26b3fa105