[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] building Dirlandets/rust-udemy against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [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 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bytesize v1.0.0 [INFO] [stderr] Downloaded nom v3.2.1 [INFO] [stderr] Downloaded systemstat v0.1.5 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51d02f87c48258fd37640516655e9fa93d12391d8e075544d476514e764ba14f [INFO] running `Command { std: "docker" "start" "-a" "51d02f87c48258fd37640516655e9fa93d12391d8e075544d476514e764ba14f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51d02f87c48258fd37640516655e9fa93d12391d8e075544d476514e764ba14f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51d02f87c48258fd37640516655e9fa93d12391d8e075544d476514e764ba14f", kill_on_drop: false }` [INFO] [stdout] 51d02f87c48258fd37640516655e9fa93d12391d8e075544d476514e764ba14f [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 519db26de7b21e63a73e494cc0f1bbc244b6941f1e29faeb1b28efcca76d840a [INFO] running `Command { std: "docker" "start" "-a" "519db26de7b21e63a73e494cc0f1bbc244b6941f1e29faeb1b28efcca76d840a", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling bytesize v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling systemstat v0.1.5 [INFO] [stderr] Compiling 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] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/part_4_data_structures/enums.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 91 | Color::Red => String::from("RED"), [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] 92 | Color::Green => String::from("GREEN"), [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] 93 | Color::Blue => String::from("BLUE"), [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] 94 | / Color::RGBColor(0, 0, 0) // rgb black = 000 [INFO] [stdout] ... | [INFO] [stdout] 97 | | | Color::CmykColor{black: 255, ..} => format!("BLACK"), // Cmyk blaack is when black 255 "_" mean any value [INFO] [stdout] | |__________________________________________- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 100 | _ => String::from("SOME COLOR") [INFO] [stdout] | ^ ...and 2 other patterns collectively make this unreachable [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: `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: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/part_2_types_and_variables/constants.rs:25:36 [INFO] [stdout] | [INFO] [stdout] 25 | println!("Is chuchua? {}", IS_CHUCHUA); [INFO] [stdout] | ^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/part_2_types_and_variables/constants.rs:28:36 [INFO] [stdout] | [INFO] [stdout] 28 | println!("Is chuchua? {}", IS_CHUCHUA); [INFO] [stdout] | ^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.86s [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 1` [INFO] running `Command { std: "docker" "inspect" "519db26de7b21e63a73e494cc0f1bbc244b6941f1e29faeb1b28efcca76d840a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "519db26de7b21e63a73e494cc0f1bbc244b6941f1e29faeb1b28efcca76d840a", kill_on_drop: false }` [INFO] [stdout] 519db26de7b21e63a73e494cc0f1bbc244b6941f1e29faeb1b28efcca76d840a [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de421361e9f48be5ca2689b38dbadc1016310f151b0fdc5f25fec7667d1f2aff [INFO] running `Command { std: "docker" "start" "-a" "de421361e9f48be5ca2689b38dbadc1016310f151b0fdc5f25fec7667d1f2aff", kill_on_drop: false }` [INFO] [stderr] Compiling 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] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/part_4_data_structures/enums.rs:100:9 [INFO] [stdout] | [INFO] [stdout] 91 | Color::Red => String::from("RED"), [INFO] [stdout] | ---------- matches some of the same values [INFO] [stdout] 92 | Color::Green => String::from("GREEN"), [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] 93 | Color::Blue => String::from("BLUE"), [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] 94 | / Color::RGBColor(0, 0, 0) // rgb black = 000 [INFO] [stdout] ... | [INFO] [stdout] 97 | | | Color::CmykColor{black: 255, ..} => format!("BLACK"), // Cmyk blaack is when black 255 "_" mean any value [INFO] [stdout] | |__________________________________________- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 100 | _ => String::from("SOME COLOR") [INFO] [stdout] | ^ ...and 2 other patterns collectively make this unreachable [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: `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: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/part_2_types_and_variables/constants.rs:25:36 [INFO] [stdout] | [INFO] [stdout] 25 | println!("Is chuchua? {}", IS_CHUCHUA); [INFO] [stdout] | ^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/part_2_types_and_variables/constants.rs:28:36 [INFO] [stdout] | [INFO] [stdout] 28 | println!("Is chuchua? {}", IS_CHUCHUA); [INFO] [stdout] | ^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [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 1` [INFO] running `Command { std: "docker" "inspect" "de421361e9f48be5ca2689b38dbadc1016310f151b0fdc5f25fec7667d1f2aff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de421361e9f48be5ca2689b38dbadc1016310f151b0fdc5f25fec7667d1f2aff", kill_on_drop: false }` [INFO] [stdout] de421361e9f48be5ca2689b38dbadc1016310f151b0fdc5f25fec7667d1f2aff