[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 master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/goodhamgupta/rust-python-interoperability on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.22.2
[INFO] [stderr]   Downloaded pyo3-build-config v0.22.2
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[INFO] [stderr]   Downloaded portable-atomic v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bedf0a416a2a3babccd1326ee9fabfa4e111ef1b106b178f25fb916a8f37b60
[INFO] running `Command { std: "docker" "start" "-a" "3bedf0a416a2a3babccd1326ee9fabfa4e111ef1b106b178f25fb916a8f37b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bedf0a416a2a3babccd1326ee9fabfa4e111ef1b106b178f25fb916a8f37b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bedf0a416a2a3babccd1326ee9fabfa4e111ef1b106b178f25fb916a8f37b60", kill_on_drop: false }`
[INFO] [stdout] 3bedf0a416a2a3babccd1326ee9fabfa4e111ef1b106b178f25fb916a8f37b60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 887bf5d60b5a25b74b70957058e45e11c2d9939d1186a61dc38e0f0c2bb04f4e
[INFO] running `Command { std: "docker" "start" "-a" "887bf5d60b5a25b74b70957058e45e11c2d9939d1186a61dc38e0f0c2bb04f4e", 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 syn v2.0.72
[INFO] [stderr]    Compiling pyo3-build-config v0.22.2
[INFO] [stderr]    Compiling pyo3-ffi v0.22.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.22.2
[INFO] [stderr]    Compiling pyo3 v0.22.2
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling pyo3-macros v0.22.2
[INFO] [stderr]     Checking serde v1.0.204
[INFO] [stderr]     Checking methods v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/02_methods)
[INFO] [stderr]     Checking pyclass v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/00_pyclass)
[INFO] [stderr]     Checking setters v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/03_setters)
[INFO] [stderr]     Checking modules v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/02_modules)
[INFO] [stderr]     Checking outro2 v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/07_outro)
[INFO] [stderr]     Checking setup v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/01_setup)
[INFO] [stderr]     Checking exceptions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/07_exceptions)
[INFO] [stderr]     Checking arguments v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/04_arguments)
[INFO] [stderr]     Checking constructors v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/01_constructors)
[INFO] [stderr]     Checking functions v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/03_functions)
[INFO] [stderr]     Checking static_methods v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/04_static_methods)
[INFO] [stderr]     Checking outro1 v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/08_outro)
[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/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] 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] [stderr]     Checking inheritance v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/05_inheritance)
[INFO] [stderr]     Checking gil v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/05_gil)
[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]     Checking output v0.1.0 (/opt/rustwide/workdir/exercises/01_intro/06_output)
[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] 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] [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] [stderr]     Checking parent v0.1.0 (/opt/rustwide/workdir/exercises/02_classes/06_parent)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> exercises/02_classes/05_inheritance/src/lib.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn inheritance(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/05_inheritance/src/lib.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn inheritance(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: 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] [stderr]     Checking serde_json v1.0.120
[INFO] [stderr]     Checking patcher v0.1.0 (/opt/rustwide/workdir/patcher)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.56s
[INFO] running `Command { std: "docker" "inspect" "887bf5d60b5a25b74b70957058e45e11c2d9939d1186a61dc38e0f0c2bb04f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887bf5d60b5a25b74b70957058e45e11c2d9939d1186a61dc38e0f0c2bb04f4e", kill_on_drop: false }`
[INFO] [stdout] 887bf5d60b5a25b74b70957058e45e11c2d9939d1186a61dc38e0f0c2bb04f4e