[INFO] cloning repository https://github.com/goodhamgupta/rust-python-interoperability
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goodhamgupta/rust-python-interoperability" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodhamgupta%2Frust-python-interoperability", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoodhamgupta%2Frust-python-interoperability'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ade78fdb4c690f609fec9c20c179792ab85433f
[INFO] checking goodhamgupta/rust-python-interoperability 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%2Fgoodhamgupta%2Frust-python-interoperability" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/goodhamgupta/rust-python-interoperability
[INFO] finished tweaking git repo https://github.com/goodhamgupta/rust-python-interoperability
[INFO] tweaked toml for git repo https://github.com/goodhamgupta/rust-python-interoperability written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/goodhamgupta/rust-python-interoperability 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/goodhamgupta/rust-python-interoperability 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b4c36656d0fee951cac6df631ca5233d5efd3d73b28b3a00ca5b7a4b274c2d61
[INFO] running `Command { std: "docker" "start" "-a" "b4c36656d0fee951cac6df631ca5233d5efd3d73b28b3a00ca5b7a4b274c2d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4c36656d0fee951cac6df631ca5233d5efd3d73b28b3a00ca5b7a4b274c2d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c36656d0fee951cac6df631ca5233d5efd3d73b28b3a00ca5b7a4b274c2d61", kill_on_drop: false }`
[INFO] [stdout] b4c36656d0fee951cac6df631ca5233d5efd3d73b28b3a00ca5b7a4b274c2d61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 29b1c400002a9d1c8b600abe59b320eb3fafe326ac01246e6d3c3f01661dd288
[INFO] running `Command { std: "docker" "start" "-a" "29b1c400002a9d1c8b600abe59b320eb3fafe326ac01246e6d3c3f01661dd288", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking welcome v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/00_welcome)
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling pyo3-build-config v0.22.2
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.2
[INFO] [stderr]    Compiling pyo3-ffi v0.22.2
[INFO] [stderr]    Compiling pyo3 v0.22.2
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking serde v1.0.204
[INFO] [stderr]    Compiling pyo3-macros v0.22.2
[INFO] [stderr]     Checking serde_json v1.0.120
[INFO] [stderr]     Checking outro1 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/08_outro)
[INFO] [stderr]     Checking arguments v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/04_arguments)
[INFO] [stderr]     Checking exceptions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/07_exceptions)
[INFO] [stderr]     Checking constructors v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/01_constructors)
[INFO] [stderr]     Checking static_methods v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/04_static_methods)
[INFO] [stderr]     Checking output v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/06_output)
[INFO] [stderr]     Checking functions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/03_functions)
[INFO] [stderr]     Checking outro2 v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/07_outro)
[INFO] [stderr]     Checking pyclass v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/00_pyclass)
[INFO] [stderr]     Checking methods v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/02_methods)
[INFO] [stderr]     Checking modules v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/02_modules)
[INFO] [stderr]     Checking gil v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/05_gil)
[INFO] [stderr]     Checking setters v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/03_setters)
[INFO] [stderr]     Checking setup v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_setup)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]  --> exercises/01_intro/03_functions/src/lib.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn functions(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]  --> exercises/01_intro/02_modules/src/lib.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn it_works() -> bool {
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parent v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/06_parent)
[INFO] [stderr] error: could not compile `modules` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]  --> exercises/01_intro/01_setup/src/lib.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn it_works() -> bool {
[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: unused variable: `m`
[INFO] [stdout]   --> exercises/02_classes/00_pyclass/src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn pyclass(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]    |            ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `setup` (lib test) due to 1 previous error
[INFO] [stdout] warning: fields `name` and `price` are never read
[INFO] [stdout]  --> exercises/02_classes/03_setters/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Item {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 6 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     price: u64,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> exercises/02_classes/07_outro/src/lib.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn outro2(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]  --> exercises/02_classes/06_parent/src/lib.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parent(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]  --> exercises/02_classes/06_parent/src/lib.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parent(m: &Bound<'_, PyModule>) -> PyResult<()> {
[INFO] [stdout]   |           ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]  --> exercises/01_intro/01_setup/src/lib.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn it_works() -> bool {
[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 `setup` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "29b1c400002a9d1c8b600abe59b320eb3fafe326ac01246e6d3c3f01661dd288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b1c400002a9d1c8b600abe59b320eb3fafe326ac01246e6d3c3f01661dd288", kill_on_drop: false }`
[INFO] [stdout] 29b1c400002a9d1c8b600abe59b320eb3fafe326ac01246e6d3c3f01661dd288
