[INFO] cloning repository https://github.com/steshaw/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steshaw/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteshaw%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteshaw%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 06b46229ca0dd5b5fb874746d6ace8665151b11f [INFO] testing steshaw/rustlings against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteshaw%2Frustlings" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/steshaw/rustlings on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/steshaw/rustlings [INFO] finished tweaking git repo https://github.com/steshaw/rustlings [INFO] tweaked toml for git repo https://github.com/steshaw/rustlings written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/steshaw/rustlings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5536d833f6f1cf2181f24b5bf4d01f1083ada91bd355c0ffd46328a172ab5613 [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" "5536d833f6f1cf2181f24b5bf4d01f1083ada91bd355c0ffd46328a172ab5613", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5536d833f6f1cf2181f24b5bf4d01f1083ada91bd355c0ffd46328a172ab5613", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5536d833f6f1cf2181f24b5bf4d01f1083ada91bd355c0ffd46328a172ab5613", kill_on_drop: false }` [INFO] [stdout] 5536d833f6f1cf2181f24b5bf4d01f1083ada91bd355c0ffd46328a172ab5613 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8897856bbde86d8d0ef6197409cdd3723d0692b17e85e81841bc31b1e4b95d4f [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" "8897856bbde86d8d0ef6197409cdd3723d0692b17e85e81841bc31b1e4b95d4f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling smallvec v0.6.9 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.6.6 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling inotify-sys v0.1.3 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling filetime v0.2.5 [INFO] [stderr] Compiling clicolors-control v0.2.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling inotify v0.6.1 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling notify v4.0.12 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling console v0.7.5 [INFO] [stderr] Compiling console v0.6.2 [INFO] [stderr] Compiling indicatif v0.9.0 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling rustlings v2.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 21s [INFO] running `Command { std: "docker" "inspect" "8897856bbde86d8d0ef6197409cdd3723d0692b17e85e81841bc31b1e4b95d4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8897856bbde86d8d0ef6197409cdd3723d0692b17e85e81841bc31b1e4b95d4f", kill_on_drop: false }` [INFO] [stdout] 8897856bbde86d8d0ef6197409cdd3723d0692b17e85e81841bc31b1e4b95d4f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 86afcd0745a833a9cdbac95df97ee319a3dec9e13a870397b587e088ea502c15 [INFO] running `Command { std: "docker" "start" "-a" "86afcd0745a833a9cdbac95df97ee319a3dec9e13a870397b587e088ea502c15", kill_on_drop: false }` [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling predicates-tree v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.39 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling float-cmp v0.4.0 [INFO] [stderr] Compiling predicates v1.0.1 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v2.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum is never used: `Message` [INFO] [stdout] --> examples/enums3.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `State` [INFO] [stdout] --> examples/enums3.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct State { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `change_color` [INFO] [stdout] --> examples/enums3.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | fn change_color(&mut self, color: (u8, u8, u8)) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `quit` [INFO] [stdout] --> examples/enums3.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | fn quit(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `echo` [INFO] [stdout] --> examples/enums3.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn echo(&self, s: String) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `move_position` [INFO] [stdout] --> examples/enums3.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | fn move_position(&mut self, p: Point) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `process` [INFO] [stdout] --> examples/enums3.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | fn process(&mut self, message: Message) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Negative` [INFO] [stdout] --> examples/result1.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | Negative, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Zero` [INFO] [stdout] --> examples/result1.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | Zero, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> examples/result1.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | fn new(value: i64) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> examples/from_into.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `age` [INFO] [stdout] --> examples/from_into.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | age: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> examples/test1.rs:12:29 [INFO] [stdout] | [INFO] [stdout] 12 | let price_per_item = if (quantity > 40) { 1 } else { 2 }; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 12 - let price_per_item = if (quantity > 40) { 1 } else { 2 }; [INFO] [stdout] 12 + let price_per_item = if quantity > 40 { 1 } else { 2 }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0601]: `main` function not found in crate `test1` [INFO] [stdout] --> examples/test1.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | / fn calculate_apple_price(quantity: i32) -> i32 { [INFO] [stdout] 12 | | let price_per_item = if (quantity > 40) { 1 } else { 2 }; [INFO] [stdout] 13 | | price_per_item * quantity [INFO] [stdout] 14 | | } [INFO] [stdout] ... | [INFO] [stdout] 27 | | assert_eq!(65, price2); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_^ consider adding a `main` function to `examples/test1.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustlings` due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> examples/enums2.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | Move{x : i32, y: i32}, [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] --> examples/enums2.rs:7:19 [INFO] [stdout] | [INFO] [stdout] 7 | Move{x : i32, y: i32}, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "86afcd0745a833a9cdbac95df97ee319a3dec9e13a870397b587e088ea502c15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86afcd0745a833a9cdbac95df97ee319a3dec9e13a870397b587e088ea502c15", kill_on_drop: false }` [INFO] [stdout] 86afcd0745a833a9cdbac95df97ee319a3dec9e13a870397b587e088ea502c15