[INFO] cloning repository https://github.com/thaliaarchi/mersenne-untwist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thaliaarchi/mersenne-untwist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthaliaarchi%2Fmersenne-untwist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthaliaarchi%2Fmersenne-untwist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03c88a1797d75dbd0ccb0f30090130ec7fb1d357
[INFO] checking thaliaarchi/mersenne-untwist against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthaliaarchi%2Fmersenne-untwist" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thaliaarchi/mersenne-untwist
[INFO] finished tweaking git repo https://github.com/thaliaarchi/mersenne-untwist
[INFO] tweaked toml for git repo https://github.com/thaliaarchi/mersenne-untwist written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thaliaarchi/mersenne-untwist on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thaliaarchi/mersenne-untwist 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cee292c47036e20242a991aab4b42e4d1f039496f815b6bf4bb0e8c2fc95b26
[INFO] running `Command { std: "docker" "start" "-a" "2cee292c47036e20242a991aab4b42e4d1f039496f815b6bf4bb0e8c2fc95b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cee292c47036e20242a991aab4b42e4d1f039496f815b6bf4bb0e8c2fc95b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cee292c47036e20242a991aab4b42e4d1f039496f815b6bf4bb0e8c2fc95b26", kill_on_drop: false }`
[INFO] [stdout] 2cee292c47036e20242a991aab4b42e4d1f039496f815b6bf4bb0e8c2fc95b26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d3e796f8f6389757147121b08a85d87583bc4ef8061c94d4f0983fcae0f2ec7
[INFO] running `Command { std: "docker" "start" "-a" "4d3e796f8f6389757147121b08a85d87583bc4ef8061c94d4f0983fcae0f2ec7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling z3-sys v0.8.1
[INFO] [stderr]     Checking z3 v0.12.1
[INFO] [stderr]     Checking mersenne-untwist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `reverse::*`
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use reverse::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reverse::*`
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use reverse::*;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Box<[global_z3::bv::BV<32>; 624]>, Infallible>
[INFO] [stdout]   --> src/smt.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |           let state = Random::from_u32(seed)
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 26 | |             .state()
[INFO] [stdout] 27 | |             .map(|n| U32::from(n))
[INFO] [stdout] 28 | |             .try_into()
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mersenne-untwist` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Box<[global_z3::bv::BV<32>; 624]>, Infallible>
[INFO] [stdout]   --> src/smt.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |           let state = Random::from_u32(seed)
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 26 | |             .state()
[INFO] [stdout] 27 | |             .map(|n| U32::from(n))
[INFO] [stdout] 28 | |             .try_into()
[INFO] [stdout]    | |_______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mersenne-untwist` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4d3e796f8f6389757147121b08a85d87583bc4ef8061c94d4f0983fcae0f2ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3e796f8f6389757147121b08a85d87583bc4ef8061c94d4f0983fcae0f2ec7", kill_on_drop: false }`
[INFO] [stdout] 4d3e796f8f6389757147121b08a85d87583bc4ef8061c94d4f0983fcae0f2ec7
