[INFO] cloning repository https://github.com/Dirlandets/rust-udemy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dirlandets/rust-udemy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirlandets%2Frust-udemy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirlandets%2Frust-udemy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 49d8a3c7d0b005274f3246d44323f9f46b8317b2 [INFO] checking Dirlandets/rust-udemy against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDirlandets%2Frust-udemy" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Dirlandets/rust-udemy on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Dirlandets/rust-udemy [INFO] finished tweaking git repo https://github.com/Dirlandets/rust-udemy [INFO] tweaked toml for git repo https://github.com/Dirlandets/rust-udemy written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Dirlandets/rust-udemy 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memchr v1.0.2 [INFO] [stderr] Downloaded systemstat v0.1.5 [INFO] [stderr] Downloaded bytesize v1.0.0 [INFO] [stderr] Downloaded nom v3.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2090c8c966b2b796f7fd9e1c004c5fcaf16a1c01c4d3ab08ddf39d7210fa3030 [INFO] running `Command { std: "docker" "start" "-a" "2090c8c966b2b796f7fd9e1c004c5fcaf16a1c01c4d3ab08ddf39d7210fa3030", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2090c8c966b2b796f7fd9e1c004c5fcaf16a1c01c4d3ab08ddf39d7210fa3030", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2090c8c966b2b796f7fd9e1c004c5fcaf16a1c01c4d3ab08ddf39d7210fa3030", kill_on_drop: false }` [INFO] [stdout] 2090c8c966b2b796f7fd9e1c004c5fcaf16a1c01c4d3ab08ddf39d7210fa3030 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a8c33107e702b00eeb2b39c5fc6df73021bb0f29d94003d84097accaac54c41 [INFO] running `Command { std: "docker" "start" "-a" "8a8c33107e702b00eeb2b39c5fc6df73021bb0f29d94003d84097accaac54c41", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Checking bytesize v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking systemstat v0.1.5 [INFO] [stderr] Checking course v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/part_4_data_structures/enums.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | _ => String::from("SOME COLOR") [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/part_4_data_structures/enums.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 100 | _ => String::from("SOME COLOR") [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/part_4_data_structures/generics.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let b = Point { x: 0.1, y: 0.2 }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/part_4_data_structures/generics.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let b = Point { x: 0.1, y: 0.2 }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/part_4_data_structures/generics.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let line = Line {start: a, end: c}; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_line` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/part_4_data_structures/generics.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let line = Line {start: a, end: c}; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_line` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `State` is never used [INFO] [stdout] --> src/part_3_control_flow/combination_lock.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | enum State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/part_3_control_flow/combination_lock.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Red` and `Blue` are never constructed [INFO] [stdout] --> src/part_4_data_structures/enums.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | enum Color { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 2 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] 3 | Green, [INFO] [stdout] 4 | Blue, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/part_4_data_structures/generics.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 9 | x: T, [INFO] [stdout] | ^ [INFO] [stdout] 10 | y: T [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start` and `end` are never read [INFO] [stdout] --> src/part_4_data_structures/generics.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | struct Line { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 14 | start: Point, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 15 | end: Point [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `State` is never used [INFO] [stdout] --> src/part_3_control_flow/combination_lock.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | enum State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/part_3_control_flow/combination_lock.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Red` and `Blue` are never constructed [INFO] [stdout] --> src/part_4_data_structures/enums.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | enum Color { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 2 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] 3 | Green, [INFO] [stdout] 4 | Blue, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/part_4_data_structures/generics.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 9 | x: T, [INFO] [stdout] | ^ [INFO] [stdout] 10 | y: T [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start` and `end` are never read [INFO] [stdout] --> src/part_4_data_structures/generics.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | struct Line { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 14 | start: Point, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 15 | end: Point [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.46s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "8a8c33107e702b00eeb2b39c5fc6df73021bb0f29d94003d84097accaac54c41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a8c33107e702b00eeb2b39c5fc6df73021bb0f29d94003d84097accaac54c41", kill_on_drop: false }` [INFO] [stdout] 8a8c33107e702b00eeb2b39c5fc6df73021bb0f29d94003d84097accaac54c41