[INFO] fetching crate test-rusty-grader 0.1.0... [INFO] checking test-rusty-grader-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate test-rusty-grader 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate test-rusty-grader 0.1.0 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 crates.io crate test-rusty-grader 0.1.0 [INFO] finished tweaking crates.io crate test-rusty-grader 0.1.0 [INFO] tweaked toml for crates.io crate test-rusty-grader 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a083379a218cdafdaa722548daeae6c387dc6141d785c068fefd49c179b6427 [INFO] running `Command { std: "docker" "start" "-a" "9a083379a218cdafdaa722548daeae6c387dc6141d785c068fefd49c179b6427", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a083379a218cdafdaa722548daeae6c387dc6141d785c068fefd49c179b6427", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a083379a218cdafdaa722548daeae6c387dc6141d785c068fefd49c179b6427", kill_on_drop: false }` [INFO] [stdout] 9a083379a218cdafdaa722548daeae6c387dc6141d785c068fefd49c179b6427 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 531c8404a2f57294754bbc4ae69dfaae394dda382234e53f569b496dfe00b953 [INFO] running `Command { std: "docker" "start" "-a" "531c8404a2f57294754bbc4ae69dfaae394dda382234e53f569b496dfe00b953", kill_on_drop: false }` [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Checking thiserror v1.0.63 [INFO] [stderr] Checking test-rusty-grader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:23:15 [INFO] [stdout] | [INFO] [stdout] 23 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:28:15 [INFO] [stdout] | [INFO] [stdout] 28 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:33:15 [INFO] [stdout] | [INFO] [stdout] 33 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:38:15 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:46:19 [INFO] [stdout] | [INFO] [stdout] 46 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:23:15 [INFO] [stdout] | [INFO] [stdout] 23 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:55:19 [INFO] [stdout] | [INFO] [stdout] 55 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:28:15 [INFO] [stdout] | [INFO] [stdout] 28 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:63:19 [INFO] [stdout] | [INFO] [stdout] 63 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:70:19 [INFO] [stdout] | [INFO] [stdout] 70 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:33:15 [INFO] [stdout] | [INFO] [stdout] 33 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:77:19 [INFO] [stdout] | [INFO] [stdout] 77 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:38:15 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:84:19 [INFO] [stdout] | [INFO] [stdout] 84 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:46:19 [INFO] [stdout] | [INFO] [stdout] 46 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:55:19 [INFO] [stdout] | [INFO] [stdout] 55 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:63:19 [INFO] [stdout] | [INFO] [stdout] 63 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:70:19 [INFO] [stdout] | [INFO] [stdout] 70 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:77:19 [INFO] [stdout] | [INFO] [stdout] 77 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `backtraces` [INFO] [stdout] --> src/errors.rs:84:19 [INFO] [stdout] | [INFO] [stdout] 84 | #[cfg(feature = "backtraces")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `backtraces` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/instance/mod.rs:156:9 [INFO] [stdout] | [INFO] [stdout] 156 | / Command::new(get_env("ISOLATE_PATH")) [INFO] [stdout] 157 | | .args(&["--cleanup", "--cg", "-b"]) [INFO] [stdout] 158 | | .arg(self.box_id.to_string()) [INFO] [stdout] 159 | | .output(); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 156 | let _ = Command::new(get_env("ISOLATE_PATH")) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/instance/mod.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | fs::remove_file(&self.log_file); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 162 | let _ = fs::remove_file(&self.log_file); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/submission/mod.rs:353:9 [INFO] [stdout] | [INFO] [stdout] 353 | fs::remove_dir_all(&self.tmp_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 353 | let _ = fs::remove_dir_all(&self.tmp_path); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/instance/mod.rs:156:9 [INFO] [stdout] | [INFO] [stdout] 156 | / Command::new(get_env("ISOLATE_PATH")) [INFO] [stdout] 157 | | .args(&["--cleanup", "--cg", "-b"]) [INFO] [stdout] 158 | | .arg(self.box_id.to_string()) [INFO] [stdout] 159 | | .output(); [INFO] [stdout] | |_____________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 156 | let _ = Command::new(get_env("ISOLATE_PATH")) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/instance/mod.rs:162:13 [INFO] [stdout] | [INFO] [stdout] 162 | fs::remove_file(&self.log_file); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 162 | let _ = fs::remove_file(&self.log_file); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/submission/mod.rs:353:9 [INFO] [stdout] | [INFO] [stdout] 353 | fs::remove_dir_all(&self.tmp_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 353 | let _ = fs::remove_dir_all(&self.tmp_path); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.97s [INFO] running `Command { std: "docker" "inspect" "531c8404a2f57294754bbc4ae69dfaae394dda382234e53f569b496dfe00b953", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "531c8404a2f57294754bbc4ae69dfaae394dda382234e53f569b496dfe00b953", kill_on_drop: false }` [INFO] [stdout] 531c8404a2f57294754bbc4ae69dfaae394dda382234e53f569b496dfe00b953