[INFO] cloning repository https://github.com/BorisWeinfurt/pyo3-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BorisWeinfurt/pyo3-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBorisWeinfurt%2Fpyo3-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBorisWeinfurt%2Fpyo3-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b50633a36889a90f1225cf5c7c998962b21d9a1
[INFO] checking BorisWeinfurt/pyo3-example/9b50633a36889a90f1225cf5c7c998962b21d9a1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBorisWeinfurt%2Fpyo3-example" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BorisWeinfurt/pyo3-example on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BorisWeinfurt/pyo3-example
[INFO] finished tweaking git repo https://github.com/BorisWeinfurt/pyo3-example
[INFO] tweaked toml for git repo https://github.com/BorisWeinfurt/pyo3-example written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BorisWeinfurt/pyo3-example 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.16.6
[INFO] [stderr]   Downloaded pyo3-ffi v0.16.6
[INFO] [stderr]   Downloaded pyo3-build-config v0.16.6
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.16.6
[INFO] [stderr]   Downloaded pyo3 v0.16.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f68908c928af6c581f42cb43d33cc85cb2279e45400be890422746f285efadec
[INFO] running `Command { std: "docker" "start" "-a" "f68908c928af6c581f42cb43d33cc85cb2279e45400be890422746f285efadec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f68908c928af6c581f42cb43d33cc85cb2279e45400be890422746f285efadec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f68908c928af6c581f42cb43d33cc85cb2279e45400be890422746f285efadec", kill_on_drop: false }`
[INFO] [stdout] f68908c928af6c581f42cb43d33cc85cb2279e45400be890422746f285efadec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 134fb8345c26d79618cf2ce4a28297f8bda66d75b5f28980237a4b6c72b5961c
[INFO] running `Command { std: "docker" "start" "-a" "134fb8345c26d79618cf2ce4a28297f8bda66d75b5f28980237a4b6c72b5961c", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling pyo3-build-config v0.16.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pyo3-ffi v0.16.6
[INFO] [stderr]    Compiling pyo3 v0.16.6
[INFO] [stderr]    Compiling pyo3-macros-backend v0.16.6
[INFO] [stderr]    Compiling pyo3-macros v0.16.6
[INFO] [stderr]     Checking main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stdout] warning: unused variable: `arg1`
[INFO] [stdout]   --> main/src/custom_machine.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn required_method2(&self, arg1: String, arg2: bool) {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg2`
[INFO] [stdout]   --> main/src/custom_machine.rs:30:46
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn required_method2(&self, arg1: String, arg2: bool) {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_arg2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg1`
[INFO] [stdout]   --> main/src/machine.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn required_method1(&self, arg1: i32, arg2: String) -> bool {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg2`
[INFO] [stdout]   --> main/src/machine.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn required_method1(&self, arg1: i32, arg2: String) -> bool {
[INFO] [stdout]    |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_arg2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg1`
[INFO] [stdout]   --> main/src/machine.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn required_method2(&self, arg1: String, arg2: bool) {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg2`
[INFO] [stdout]   --> main/src/machine.rs:28:46
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn required_method2(&self, arg1: String, arg2: bool) {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_arg2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg1`
[INFO] [stdout]   --> main/src/custom_machine.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn required_method2(&self, arg1: String, arg2: bool) {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg2`
[INFO] [stdout]   --> main/src/custom_machine.rs:30:46
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn required_method2(&self, arg1: String, arg2: bool) {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_arg2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg1`
[INFO] [stdout]   --> main/src/machine.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn required_method1(&self, arg1: i32, arg2: String) -> bool {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg2`
[INFO] [stdout]   --> main/src/machine.rs:23:43
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn required_method1(&self, arg1: i32, arg2: String) -> bool {
[INFO] [stdout]    |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_arg2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg1`
[INFO] [stdout]   --> main/src/machine.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn required_method2(&self, arg1: String, arg2: bool) {
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_arg1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg2`
[INFO] [stdout]   --> main/src/machine.rs:28:46
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn required_method2(&self, arg1: String, arg2: bool) {
[INFO] [stdout]    |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_arg2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `required_method2` is never read
[INFO] [stdout]  --> main/src/custom_machine.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct CustomMachine {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 8 |     required_method1 : Arc<PyObject>,
[INFO] [stdout] 9 |     required_method2 : Arc<PyObject>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `required_method2` is never used
[INFO] [stdout]   --> main/src/machine.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait MachineTrait {
[INFO] [stdout]    |           ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn required_method2(&self, arg1: String, arg2: bool);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `required_method2` is never read
[INFO] [stdout]  --> main/src/custom_machine.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct CustomMachine {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 8 |     required_method1 : Arc<PyObject>,
[INFO] [stdout] 9 |     required_method2 : Arc<PyObject>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `required_method2` is never used
[INFO] [stdout]   --> main/src/machine.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait MachineTrait {
[INFO] [stdout]    |           ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn required_method2(&self, arg1: String, arg2: bool);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "134fb8345c26d79618cf2ce4a28297f8bda66d75b5f28980237a4b6c72b5961c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "134fb8345c26d79618cf2ce4a28297f8bda66d75b5f28980237a4b6c72b5961c", kill_on_drop: false }`
[INFO] [stdout] 134fb8345c26d79618cf2ce4a28297f8bda66d75b5f28980237a4b6c72b5961c