[INFO] cloning repository https://github.com/japrogramer/RustLand [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/japrogramer/RustLand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaprogramer%2FRustLand"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaprogramer%2FRustLand'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bf60d342126cbc3a4e40a09f007a3af83305a7e0 [INFO] checking japrogramer/RustLand against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaprogramer%2FRustLand" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/japrogramer/RustLand on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/japrogramer/RustLand [INFO] finished tweaking git repo https://github.com/japrogramer/RustLand [INFO] tweaked toml for git repo https://github.com/japrogramer/RustLand written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/japrogramer/RustLand already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 76b8cf3ab113331f7003ed710fb6037425085b8a3be4cbceeb604d0b4343dcb7 [INFO] running `"docker" "start" "-a" "76b8cf3ab113331f7003ed710fb6037425085b8a3be4cbceeb604d0b4343dcb7"` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling cpython v0.3.0 [INFO] [stderr] Compiling python3-sys v0.3.0 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking course v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `PathBuf`, `Path` [INFO] [stderr] --> src/main.rs:5:17 [INFO] [stderr] | [INFO] [stderr] 5 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `PyDict` [INFO] [stderr] --> src/main.rs:7:23 [INFO] [stderr] | [INFO] [stderr] 7 | use cpython::{Python, PyDict, PyResult, PyModule}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:29:12 [INFO] [stderr] | [INFO] [stderr] 29 | if let mut z = T::from_str("3") { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PathBuf`, `Path` [INFO] [stderr] --> src/main.rs:5:17 [INFO] [stderr] | [INFO] [stderr] 5 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused label [INFO] [stderr] --> src/main.rs:134:13 [INFO] [stderr] | [INFO] [stderr] 134 | 'search: [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_labels)]` on by default [INFO] [stderr] [INFO] [stderr] warning: irrefutable if-let pattern [INFO] [stderr] --> src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | / if let mut z = T::from_str("3") { [INFO] [stderr] 30 | | match z { [INFO] [stderr] 31 | | Ok(m) => println!("Let their be -> {}", m), [INFO] [stderr] 32 | | _ => eprintln!("Error in if let "), [INFO] [stderr] 33 | | } [INFO] [stderr] 34 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:29:12 [INFO] [stderr] | [INFO] [stderr] 29 | if let mut z = T::from_str("3") { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `large` [INFO] [stderr] --> src/main.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | let large: Vec = (0..1000).collect::>(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_large` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `writer` [INFO] [stderr] --> src/main.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 83 | let writer: &mut dyn Write = &mut numbers; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | let m:[i16;4]; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/main.rs:105:12 [INFO] [stderr] | [INFO] [stderr] 105 | Ok(v) => (), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: path statement with no effect [INFO] [stderr] --> src/main.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | Absolute; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(path_statements)]` on by default [INFO] [stderr] [INFO] [stderr] warning: irrefutable if-let pattern [INFO] [stderr] --> src/main.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | / if let mut z = T::from_str("3") { [INFO] [stderr] 30 | | match z { [INFO] [stderr] 31 | | Ok(m) => println!("Let their be -> {}", m), [INFO] [stderr] 32 | | _ => eprintln!("Error in if let "), [INFO] [stderr] 33 | | } [INFO] [stderr] 34 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `large` [INFO] [stderr] --> src/main.rs:80:9 [INFO] [stderr] | [INFO] [stderr] 80 | let large: Vec = (0..1000).collect::>(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_large` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `writer` [INFO] [stderr] --> src/main.rs:83:9 [INFO] [stderr] | [INFO] [stderr] 83 | let writer: &mut dyn Write = &mut numbers; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `m` [INFO] [stderr] --> src/main.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | let m:[i16;4]; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_m` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/main.rs:105:12 [INFO] [stderr] | [INFO] [stderr] 105 | Ok(v) => (), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `gil` [INFO] [stderr] --> src/main.rs:133:17 [INFO] [stderr] | [INFO] [stderr] 133 | let gil = Python::acquire_gil(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_gil` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/main.rs:143:21 [INFO] [stderr] | [INFO] [stderr] 143 | let s = "test".to_string(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/main.rs:151:16 [INFO] [stderr] | [INFO] [stderr] 151 | Ok(v) => (), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:152:17 [INFO] [stderr] | [INFO] [stderr] 152 | Err(e) => (), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/main.rs:178:16 [INFO] [stderr] | [INFO] [stderr] 178 | Ok(v) => (), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/main.rs:182:16 [INFO] [stderr] | [INFO] [stderr] 182 | Ok(v) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `serve` [INFO] [stderr] --> src/main.rs:141:12 [INFO] [stderr] | [INFO] [stderr] 141 | fn serve() -> !{ [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: path statement with no effect [INFO] [stderr] --> src/main.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | Absolute; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(path_statements)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 16 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 55.32s [INFO] running `"docker" "inspect" "76b8cf3ab113331f7003ed710fb6037425085b8a3be4cbceeb604d0b4343dcb7"` [INFO] running `"docker" "rm" "-f" "76b8cf3ab113331f7003ed710fb6037425085b8a3be4cbceeb604d0b4343dcb7"` [INFO] [stdout] 76b8cf3ab113331f7003ed710fb6037425085b8a3be4cbceeb604d0b4343dcb7