[INFO] cloning repository https://github.com/mimilib/mimiscript-compiler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mimilib/mimiscript-compiler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimilib%2Fmimiscript-compiler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimilib%2Fmimiscript-compiler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e72b24efe326d72d23f1f474a166f36242f9eb17
[INFO] checking mimilib/mimiscript-compiler-rust against master#0fb279be1d96464c69209053ef0f97ad63088cda for pr-143857
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimilib%2Fmimiscript-compiler-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mimilib/mimiscript-compiler-rust
[INFO] finished tweaking git repo https://github.com/mimilib/mimiscript-compiler-rust
[INFO] tweaked toml for git repo https://github.com/mimilib/mimiscript-compiler-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mimilib/mimiscript-compiler-rust on toolchain 0fb279be1d96464c69209053ef0f97ad63088cda
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mimilib/mimiscript-compiler-rust 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" "+0fb279be1d96464c69209053ef0f97ad63088cda" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f34c2a52103c79dbc00a9d5f7d8c075b8a82bf2a341a84976c5db64c2274345f
[INFO] running `Command { std: "docker" "start" "-a" "f34c2a52103c79dbc00a9d5f7d8c075b8a82bf2a341a84976c5db64c2274345f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f34c2a52103c79dbc00a9d5f7d8c075b8a82bf2a341a84976c5db64c2274345f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34c2a52103c79dbc00a9d5f7d8c075b8a82bf2a341a84976c5db64c2274345f", kill_on_drop: false }`
[INFO] [stdout] f34c2a52103c79dbc00a9d5f7d8c075b8a82bf2a341a84976c5db64c2274345f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aee48b17445d073ed6ee97fbcfd65d16a4c4c02ed2911c3d5e03b18e6781be85
[INFO] running `Command { std: "docker" "start" "-a" "aee48b17445d073ed6ee97fbcfd65d16a4c4c02ed2911c3d5e03b18e6781be85", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-msc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/class_info.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Some(x) => super_class_name.replace(".", "_"),
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/import_info.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Some(x) => import_class_name.replace(".", "_"),
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/object_info.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Some(x) => import_class_name.replace(".", "_"),
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/class_info.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Some(x) => super_class_name.replace(".", "_"),
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `class_name` is never read
[INFO] [stdout]  --> src/import_info.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ImportInfo {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 5 |     pub class_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ImportInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `class_name` is never read
[INFO] [stdout]  --> src/object_info.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ObjectInfo {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 5 |     pub class_name: String,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ObjectInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_fn` is never used
[INFO] [stdout]   --> src/py_type.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl PyType {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn set_fn(&self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/import_info.rs:22:18
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Some(x) => import_class_name.replace(".", "_"),
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/object_info.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Some(x) => import_class_name.replace(".", "_"),
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_fn` is never used
[INFO] [stdout]   --> src/py_type.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl PyType {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn set_fn(&self) -> String {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "aee48b17445d073ed6ee97fbcfd65d16a4c4c02ed2911c3d5e03b18e6781be85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee48b17445d073ed6ee97fbcfd65d16a4c4c02ed2911c3d5e03b18e6781be85", kill_on_drop: false }`
[INFO] [stdout] aee48b17445d073ed6ee97fbcfd65d16a4c4c02ed2911c3d5e03b18e6781be85