[INFO] cloning repository https://github.com/charles-turner-1/nchash-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charles-turner-1/nchash-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles-turner-1%2Fnchash-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharles-turner-1%2Fnchash-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5ff6f5fe541aa3fd886ecca9963421167d7d3b5
[INFO] checking charles-turner-1/nchash-rs 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%2Fcharles-turner-1%2Fnchash-rs" "/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/charles-turner-1/nchash-rs
[INFO] finished tweaking git repo https://github.com/charles-turner-1/nchash-rs
[INFO] tweaked toml for git repo https://github.com/charles-turner-1/nchash-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/charles-turner-1/nchash-rs 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/charles-turner-1/nchash-rs 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] 575602822be33621b27d04bd9f0cf2876006427d260bff6a9441fb0aa754e3af
[INFO] running `Command { std: "docker" "start" "-a" "575602822be33621b27d04bd9f0cf2876006427d260bff6a9441fb0aa754e3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "575602822be33621b27d04bd9f0cf2876006427d260bff6a9441fb0aa754e3af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "575602822be33621b27d04bd9f0cf2876006427d260bff6a9441fb0aa754e3af", kill_on_drop: false }`
[INFO] [stdout] 575602822be33621b27d04bd9f0cf2876006427d260bff6a9441fb0aa754e3af
[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] 81f47cc8618dbf29ebafb3de3d1a3a7aedd48a6c46521da9a1b175091c693ea4
[INFO] running `Command { std: "docker" "start" "-a" "81f47cc8618dbf29ebafb3de3d1a3a7aedd48a6c46521da9a1b175091c693ea4", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling pyo3-build-config v0.23.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling netcdf-sys v0.8.1
[INFO] [stderr]    Compiling netcdf v0.10.5
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling pyo3-ffi v0.23.4
[INFO] [stderr]    Compiling pyo3-macros-backend v0.23.4
[INFO] [stderr]    Compiling libz-sys v1.1.21
[INFO] [stderr]    Compiling hdf5-metno-src v0.9.4
[INFO] [stderr]    Compiling netcdf-src v0.4.1
[INFO] [stderr]    Compiling pyo3 v0.23.4
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling hdf5-metno-sys v0.9.1
[INFO] [stderr]    Compiling pyo3-macros v0.23.4
[INFO] [stderr]     Checking nchash-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]   --> src/lib.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_args(argv : Vec<String>) -> PyResult<u8>{
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]   --> src/lib.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn main(argv : Vec<String>) -> () {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<f64>, Infallible>
[INFO] [stdout]   --> src/lib.rs:95:31
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn getmtime(&mut self) -> Option<f64> {
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/nchdr/mod.rs:65:63
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn extract_fname<'a>(f_handle: &'a std::path::Path) -> Result<&str, &str> {
[INFO] [stdout]    |                                 --                            ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                 |                             |
[INFO] [stdout]    |                                 the lifetime is named here    the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn extract_fname<'a>(f_handle: &'a std::path::Path) -> Result<&'a str, &'a str> {
[INFO] [stdout]    |                                                                ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nchash-rs` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]   --> src/lib.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_args(argv : Vec<String>) -> PyResult<u8>{
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argv`
[INFO] [stdout]   --> src/lib.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn main(argv : Vec<String>) -> () {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_argv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<f64>, Infallible>
[INFO] [stdout]   --> src/lib.rs:95:31
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn getmtime(&mut self) -> Option<f64> {
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/nchdr/mod.rs:65:63
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn extract_fname<'a>(f_handle: &'a std::path::Path) -> Result<&str, &str> {
[INFO] [stdout]    |                                 --                            ^^^^  ^^^^ the same lifetime is elided here
[INFO] [stdout]    |                                 |                             |
[INFO] [stdout]    |                                 the lifetime is named here    the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn extract_fname<'a>(f_handle: &'a std::path::Path) -> Result<&'a str, &'a str> {
[INFO] [stdout]    |                                                                ++       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nchash-rs` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "81f47cc8618dbf29ebafb3de3d1a3a7aedd48a6c46521da9a1b175091c693ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f47cc8618dbf29ebafb3de3d1a3a7aedd48a6c46521da9a1b175091c693ea4", kill_on_drop: false }`
[INFO] [stdout] 81f47cc8618dbf29ebafb3de3d1a3a7aedd48a6c46521da9a1b175091c693ea4
