[INFO] cloning repository https://github.com/gyng/rust-primer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gyng/rust-primer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyng%2Frust-primer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyng%2Frust-primer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ed24db7d18d5c614ab80a44a1f34288f101769b0 [INFO] checking gyng/rust-primer against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyng%2Frust-primer" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gyng/rust-primer on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gyng/rust-primer [INFO] finished tweaking git repo https://github.com/gyng/rust-primer [INFO] tweaked toml for git repo https://github.com/gyng/rust-primer written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/gyng/rust-primer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ca1cbd3a0a3dc64e1d0d82bd4878ff8cfea5ade437ae0ad23890f1a3b8d9ec5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8ca1cbd3a0a3dc64e1d0d82bd4878ff8cfea5ade437ae0ad23890f1a3b8d9ec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ca1cbd3a0a3dc64e1d0d82bd4878ff8cfea5ade437ae0ad23890f1a3b8d9ec5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ca1cbd3a0a3dc64e1d0d82bd4878ff8cfea5ade437ae0ad23890f1a3b8d9ec5", kill_on_drop: false }` [INFO] [stdout] 8ca1cbd3a0a3dc64e1d0d82bd4878ff8cfea5ade437ae0ad23890f1a3b8d9ec5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 27557ae6bb101ba94a5dc6d89b85373743c635534196d6f2f063099cc1fa8b19 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "27557ae6bb101ba94a5dc6d89b85373743c635534196d6f2f063099cc1fa8b19", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking structs-exercise v0.1.0 (/opt/rustwide/workdir/02-basics/exercise) [INFO] [stderr] Checking exercise-structs v0.1.0 (/opt/rustwide/workdir/03-structs-lifetimes/exercise) [INFO] [stderr] Checking exercise-generics v0.1.0 (/opt/rustwide/workdir/04-generics-traits/exercise) [INFO] [stderr] Checking demo-match v0.1.0 (/opt/rustwide/workdir/05-match-result/demo) [INFO] [stderr] Checking exercise-libraries v0.1.0 (/opt/rustwide/workdir/07-external-libraries/exercise) [INFO] [stderr] Checking demo-structs v0.1.0 (/opt/rustwide/workdir/03-structs-lifetimes/demo) [INFO] [stdout] error: expected identifier, found `?` [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:24:37 [INFO] [stdout] | [INFO] [stdout] 24 | let mut map: HashMap<&str, ???> = HashMap::new(); [INFO] [stdout] | -------- ^ expected identifier [INFO] [stdout] | | | [INFO] [stdout] | | help: use `=` if you meant to assign [INFO] [stdout] | while parsing the type for `mut map` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, or an operator, found `,` [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:24:34 [INFO] [stdout] | [INFO] [stdout] 24 | let mut map: HashMap<&str, ???> = HashMap::new(); [INFO] [stdout] | ^ expected one of 7 possible tokens [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected one of `!` or `::`, found `:` [INFO] [stdout] --> 07-external-libraries/exercise/src/main.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | https://docs.serde.rs/serde_json/#parsing-json-as-strongly-typed-data-structures [INFO] [stdout] | ^ expected one of `!` or `::` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `exercise-libraries` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: expected one of `!` or `::`, found `:` [INFO] [stdout] --> 07-external-libraries/exercise/src/main.rs:21:6 [INFO] [stdout] | [INFO] [stdout] 21 | https://docs.serde.rs/serde_json/#parsing-json-as-strongly-typed-data-structures [INFO] [stdout] | ^ expected one of `!` or `::` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> 03-structs-lifetimes/demo/src/main.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn new(width: u32, height: u32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `double_area_rect_reference` [INFO] [stdout] --> 03-structs-lifetimes/demo/src/main.rs:73:4 [INFO] [stdout] | [INFO] [stdout] 73 | fn double_area_rect_reference(rect: &Rectangle) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> 03-structs-lifetimes/exercise/src/shapes/circle.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> 03-structs-lifetimes/exercise/src/shapes/rectangle.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> 03-structs-lifetimes/exercise/src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process` [INFO] [stdout] --> 05-match-result/demo/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::process; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> 05-match-result/demo/src/main.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> 02-basics/exercise/src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let x: u8 = 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `xs` [INFO] [stdout] --> 02-basics/exercise/src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let xs = [1, 2, 3, 4, 5]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_xs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> 05-match-result/demo/src/main.rs:104:5 [INFO] [stdout] | [INFO] [stdout] 104 | / if let x = Some(wrapper) { [INFO] [stdout] 105 | | dbg!(x); [INFO] [stdout] 106 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> 05-match-result/demo/src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | x: f64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> 05-match-result/demo/src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | y: f64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LineTo` [INFO] [stdout] --> 05-match-result/demo/src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | LineTo { x: f64, y: f64 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LineBetween` [INFO] [stdout] --> 05-match-result/demo/src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | LineBetween((Point, Point)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Clear` [INFO] [stdout] --> 05-match-result/demo/src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | Clear, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0560]: struct `Rectangle` has no field named `height` [INFO] [stdout] --> 03-structs-lifetimes/exercise/src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | height: 3.0f64, [INFO] [stdout] | ^^^^^^ `Rectangle` does not have this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0624]: associated function `area` is private [INFO] [stdout] --> 03-structs-lifetimes/exercise/src/main.rs:10:56 [INFO] [stdout] | [INFO] [stdout] 10 | println!("Area of a 2 x 3 rectangle is {:?}", rect.area()); [INFO] [stdout] | ^^^^ private associated function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0560]: struct `Circle` has no field named `radius` [INFO] [stdout] --> 03-structs-lifetimes/exercise/src/main.rs:12:25 [INFO] [stdout] | [INFO] [stdout] 12 | let circ = Circle { radius: 1.0f64 }; [INFO] [stdout] | ^^^^^^ `Circle` does not have this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `area` found for struct `Circle` in the current scope [INFO] [stdout] --> 03-structs-lifetimes/exercise/src/main.rs:13:52 [INFO] [stdout] | [INFO] [stdout] 13 | println!("Area of a unit circle is {:?}", circ.area()); [INFO] [stdout] | ^^^^ method not found in `Circle` [INFO] [stdout] | [INFO] [stdout] ::: 03-structs-lifetimes/exercise/src/shapes/circle.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Circle {} [INFO] [stdout] | ----------------- method `area` not found for this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0609]: no field `height` on type `&Rectangle` [INFO] [stdout] --> 03-structs-lifetimes/exercise/src/shapes/rectangle.rs:7:27 [INFO] [stdout] | [INFO] [stdout] 7 | self.width * self.height [INFO] [stdout] | ^^^^^^ unknown field [INFO] [stdout] | [INFO] [stdout] = note: available fields are: `width` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0560, E0599, E0609, E0624. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0560`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "27557ae6bb101ba94a5dc6d89b85373743c635534196d6f2f063099cc1fa8b19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27557ae6bb101ba94a5dc6d89b85373743c635534196d6f2f063099cc1fa8b19", kill_on_drop: false }` [INFO] [stdout] 27557ae6bb101ba94a5dc6d89b85373743c635534196d6f2f063099cc1fa8b19