[INFO] fetching crate rv 0.19.0...
[INFO] checking rv-0.19.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rv 0.19.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rv 0.19.0
[INFO] finished tweaking crates.io crate rv 0.19.0
[INFO] tweaked toml for crates.io crate rv 0.19.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rv 0.19.0 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 crates.io crate rv 0.19.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b0ef7970f9f9381307fde4083afdbfab6e3bb31ee1caac76a3daa505527f3e6c
[INFO] running `Command { std: "docker" "start" "-a" "b0ef7970f9f9381307fde4083afdbfab6e3bb31ee1caac76a3daa505527f3e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0ef7970f9f9381307fde4083afdbfab6e3bb31ee1caac76a3daa505527f3e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ef7970f9f9381307fde4083afdbfab6e3bb31ee1caac76a3daa505527f3e6c", kill_on_drop: false }`
[INFO] [stdout] b0ef7970f9f9381307fde4083afdbfab6e3bb31ee1caac76a3daa505527f3e6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1385ec43411f5326fbd1c3dca6b7a9c7e54335e672d6b27066829246b85d54da
[INFO] running `Command { std: "docker" "start" "-a" "1385ec43411f5326fbd1c3dca6b7a9c7e54335e672d6b27066829246b85d54da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling lambert_w v1.2.28
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking clap_builder v4.5.48
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking thread-tree v0.3.3
[INFO] [stderr]     Checking rustix v1.1.2
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking regex-automata v0.4.11
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking puruspe v0.4.1
[INFO] [stderr]     Checking special v0.11.4
[INFO] [stderr]     Checking lru v0.16.1
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking rand_xoshiro v0.7.0
[INFO] [stderr]     Checking peroxide-num v0.1.4
[INFO] [stderr]     Checking assert v0.7.5
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking rv v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]     Checking clap v4.5.48
[INFO] [stderr]     Checking regex v1.11.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stdout] error: this type will no longer be must used: Result<gamma::Gamma, !>
[INFO] [stdout]    --> src/dist/normal_gamma.rs:361:24
[INFO] [stdout]     |
[INFO] [stdout] 361 |           let rho: f64 = Gamma::new(self.v / 2.0, self.s / 2.0)
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 362 | |             .map_err(|err| {
[INFO] [stdout] 363 | |                 panic!("Invalid ρ params when drawing Gaussian: {err}")
[INFO] [stdout] 364 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Gaussian, !>
[INFO] [stdout]    --> src/dist/normal_gamma.rs:375:23
[INFO] [stdout]     |
[INFO] [stdout] 375 |           let mu: f64 = Gaussian::new(self.m, post_sigma)
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 376 | |             .map_err(|err| {
[INFO] [stdout] 377 | |                 panic!("Invalid μ params when drawing Gaussian: {err}")
[INFO] [stdout] 378 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Gaussian, !>
[INFO] [stdout]    --> src/dist/normal_inv_chi_squared.rs:405:23
[INFO] [stdout]     |
[INFO] [stdout] 405 |           let mu: f64 = Gaussian::new(self.m, post_sigma)
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 406 | |             .map_err(|err| {
[INFO] [stdout] 407 | |                 panic!(
[INFO] [stdout] 408 | |                     "Invalid μ params when drawing Gaussian: {err}, \
[INFO] [stdout] ...   |
[INFO] [stdout] 412 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<InvGamma, !>
[INFO] [stdout]    --> src/dist/normal_inv_gamma.rs:357:24
[INFO] [stdout]     |
[INFO] [stdout] 357 |           let var: f64 = InvGamma::new(self.a, self.b)
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 358 | |             .map_err(|err| {
[INFO] [stdout] 359 | |                 panic!("Invalid σ² params when drawing Gaussian: {err}")
[INFO] [stdout] 360 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Gaussian, !>
[INFO] [stdout]    --> src/dist/normal_inv_gamma.rs:367:23
[INFO] [stdout]     |
[INFO] [stdout] 367 |           let mu: f64 = Gaussian::new(self.m, post_sigma)
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 368 | |             .map_err(|err| {
[INFO] [stdout] 369 | |                 panic!("Invalid μ params when drawing Gaussian: {err}")
[INFO] [stdout] 370 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rv` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1385ec43411f5326fbd1c3dca6b7a9c7e54335e672d6b27066829246b85d54da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1385ec43411f5326fbd1c3dca6b7a9c7e54335e672d6b27066829246b85d54da", kill_on_drop: false }`
[INFO] [stdout] 1385ec43411f5326fbd1c3dca6b7a9c7e54335e672d6b27066829246b85d54da