[INFO] cloning repository https://github.com/undali/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/undali/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fundali%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fundali%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba2ee0e2d85a3ad4ef1b3a3ba8f53e70ecb85a1e [INFO] checking undali/rustlings against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fundali%2Frustlings" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/undali/rustlings on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/undali/rustlings [INFO] finished tweaking git repo https://github.com/undali/rustlings [INFO] tweaked toml for git repo https://github.com/undali/rustlings written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/undali/rustlings 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded portable-atomic v0.3.19 [INFO] [stderr] Downloaded indicatif v0.17.3 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0fa1ab32981dba7b43c79fae1d1a34a53ecba297dfb3ab6ac151ff05d5ab96c3 [INFO] running `Command { std: "docker" "start" "-a" "0fa1ab32981dba7b43c79fae1d1a34a53ecba297dfb3ab6ac151ff05d5ab96c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fa1ab32981dba7b43c79fae1d1a34a53ecba297dfb3ab6ac151ff05d5ab96c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fa1ab32981dba7b43c79fae1d1a34a53ecba297dfb3ab6ac151ff05d5ab96c3", kill_on_drop: false }` [INFO] [stdout] 0fa1ab32981dba7b43c79fae1d1a34a53ecba297dfb3ab6ac151ff05d5ab96c3 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a31089db6ee858e3156f8fae7067d29adf315613525636fb130d961fe45fe08 [INFO] running `Command { std: "docker" "start" "-a" "6a31089db6ee858e3156f8fae7067d29adf315613525636fb130d961fe45fe08", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Compiling portable-atomic v0.3.19 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking predicates-tree v1.0.3 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.15 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking indicatif v0.17.3 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Checking argh v0.1.5 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking rustlings v5.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ProgressBar`, `ProgressStyle` [INFO] [stdout] --> src/main.rs:120:17 [INFO] [stdout] | [INFO] [stdout] 120 | use indicatif::{ProgressBar, ProgressStyle}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/verify.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 51 | std::process::exit(0); [INFO] [stdout] | --------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 67 | let mut cnt = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `total` [INFO] [stdout] --> src/verify.rs:18:24 [INFO] [stdout] | [INFO] [stdout] 18 | let (mut num_done, total) = progress; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_total` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cnt` [INFO] [stdout] --> src/verify.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut cnt = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cnt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `compile_result` [INFO] [stdout] --> src/verify.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | let compile_result = match exercise.mode { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compile_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exercises` [INFO] [stdout] --> src/verify.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | exercises: impl IntoIterator, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exercises` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `verbose` [INFO] [stdout] --> src/verify.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | verbose: bool, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/verify.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | let (mut num_done, total) = progress; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused imports: `ProgressBar`, `ProgressStyle` [INFO] [stdout] --> src/main.rs:120:17 [INFO] [stdout] | [INFO] [stdout] 120 | use indicatif::{ProgressBar, ProgressStyle}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/verify.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 51 | std::process::exit(0); [INFO] [stdout] | --------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 67 | let mut cnt = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `total` [INFO] [stdout] --> src/verify.rs:18:24 [INFO] [stdout] | [INFO] [stdout] 18 | let (mut num_done, total) = progress; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_total` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cnt` [INFO] [stdout] --> src/verify.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut cnt = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cnt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `compile_result` [INFO] [stdout] --> src/verify.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | let compile_result = match exercise.mode { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compile_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exercises` [INFO] [stdout] --> src/verify.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | exercises: impl IntoIterator, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exercises` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `verbose` [INFO] [stdout] --> src/verify.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | verbose: bool, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/verify.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | let (mut num_done, total) = progress; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.03s [INFO] running `Command { std: "docker" "inspect" "6a31089db6ee858e3156f8fae7067d29adf315613525636fb130d961fe45fe08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a31089db6ee858e3156f8fae7067d29adf315613525636fb130d961fe45fe08", kill_on_drop: false }` [INFO] [stdout] 6a31089db6ee858e3156f8fae7067d29adf315613525636fb130d961fe45fe08 [INFO] checking undali/rustlings against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fundali%2Frustlings" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/undali/rustlings on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/undali/rustlings [INFO] finished tweaking git repo https://github.com/undali/rustlings [INFO] tweaked toml for git repo https://github.com/undali/rustlings written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/undali/rustlings 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 14f24d107549cf253efb5af3becec946223099fbb442b0c546f229dc00a77144 [INFO] running `Command { std: "docker" "start" "-a" "14f24d107549cf253efb5af3becec946223099fbb442b0c546f229dc00a77144", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "14f24d107549cf253efb5af3becec946223099fbb442b0c546f229dc00a77144", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14f24d107549cf253efb5af3becec946223099fbb442b0c546f229dc00a77144", kill_on_drop: false }` [INFO] [stdout] 14f24d107549cf253efb5af3becec946223099fbb442b0c546f229dc00a77144 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79fce0630f722123c79e82d88bfac35b44558c029e3e971ae40d96514f7995dd [INFO] running `Command { std: "docker" "start" "-a" "79fce0630f722123c79e82d88bfac35b44558c029e3e971ae40d96514f7995dd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling portable-atomic v0.3.19 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking predicates-tree v1.0.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking filetime v0.2.15 [INFO] [stderr] Checking float-cmp v0.8.0 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking predicates v1.0.8 [INFO] [stderr] Checking indicatif v0.17.3 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Checking argh v0.1.5 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking rustlings v5.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ProgressBar`, `ProgressStyle` [INFO] [stdout] --> src/main.rs:120:17 [INFO] [stdout] | [INFO] [stdout] 120 | use indicatif::{ProgressBar, ProgressStyle}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/verify.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 51 | std::process::exit(0); [INFO] [stdout] | --------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 67 | let mut cnt = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `total` [INFO] [stdout] --> src/verify.rs:18:24 [INFO] [stdout] | [INFO] [stdout] 18 | let (mut num_done, total) = progress; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_total` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cnt` [INFO] [stdout] --> src/verify.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut cnt = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cnt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `compile_result` [INFO] [stdout] --> src/verify.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | let compile_result = match exercise.mode { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compile_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exercises` [INFO] [stdout] --> src/verify.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | exercises: impl IntoIterator, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exercises` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `verbose` [INFO] [stdout] --> src/verify.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | verbose: bool, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/verify.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | let (mut num_done, total) = progress; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: unused imports: `ProgressBar`, `ProgressStyle` [INFO] [stdout] --> src/main.rs:120:17 [INFO] [stdout] | [INFO] [stdout] 120 | use indicatif::{ProgressBar, ProgressStyle}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/verify.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 51 | std::process::exit(0); [INFO] [stdout] | --------------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 67 | let mut cnt = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `total` [INFO] [stdout] --> src/verify.rs:18:24 [INFO] [stdout] | [INFO] [stdout] 18 | let (mut num_done, total) = progress; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_total` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cnt` [INFO] [stdout] --> src/verify.rs:67:13 [INFO] [stdout] | [INFO] [stdout] 67 | let mut cnt = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_cnt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `compile_result` [INFO] [stdout] --> src/verify.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | let compile_result = match exercise.mode { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compile_result` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exercises` [INFO] [stdout] --> src/verify.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | exercises: impl IntoIterator, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exercises` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `verbose` [INFO] [stdout] --> src/verify.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | verbose: bool, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_verbose` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/verify.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | let (mut num_done, total) = progress; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.15s [INFO] running `Command { std: "docker" "inspect" "79fce0630f722123c79e82d88bfac35b44558c029e3e971ae40d96514f7995dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79fce0630f722123c79e82d88bfac35b44558c029e3e971ae40d96514f7995dd", kill_on_drop: false }` [INFO] [stdout] 79fce0630f722123c79e82d88bfac35b44558c029e3e971ae40d96514f7995dd