[INFO] cloning repository https://github.com/sitek94/rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sitek94/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsitek94%2Frustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsitek94%2Frustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6dcf2fed4c1df52e65fab7320b30b1dd2df2ea7d [INFO] checking sitek94/rustlings against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsitek94%2Frustlings" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/sitek94/rustlings [INFO] finished tweaking git repo https://github.com/sitek94/rustlings [INFO] tweaked toml for git repo https://github.com/sitek94/rustlings written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sitek94/rustlings on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b48a7d9eaf9eac6feebe545093e3aabae765ee447193ceedfbbe3cc4509f9ac7 [INFO] running `Command { std: "docker" "start" "-a" "b48a7d9eaf9eac6feebe545093e3aabae765ee447193ceedfbbe3cc4509f9ac7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b48a7d9eaf9eac6feebe545093e3aabae765ee447193ceedfbbe3cc4509f9ac7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b48a7d9eaf9eac6feebe545093e3aabae765ee447193ceedfbbe3cc4509f9ac7", kill_on_drop: false }` [INFO] [stdout] b48a7d9eaf9eac6feebe545093e3aabae765ee447193ceedfbbe3cc4509f9ac7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c2af24763262bfb6f2be61eecb061d506549ccb1543bc29e7f7d5d51eb41240 [INFO] running `Command { std: "docker" "start" "-a" "7c2af24763262bfb6f2be61eecb061d506549ccb1543bc29e7f7d5d51eb41240", kill_on_drop: false }` [INFO] [stderr] Checking exercises v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0106]: missing lifetime specifier [INFO] [stdout] --> exercises/16_lifetimes/lifetimes1.rs:7:33 [INFO] [stdout] | [INFO] [stdout] 7 | fn longest(x: &str, y: &str) -> &str { [INFO] [stdout] | ---- ---- ^ expected named lifetime parameter [INFO] [stdout] | [INFO] [stdout] = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `x` or `y` [INFO] [stdout] help: consider introducing a named lifetime parameter [INFO] [stdout] | [INFO] [stdout] 7 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ++++ ++ ++ ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0106`. [INFO] [stdout] [INFO] [stderr] error: could not compile `exercises` (bin "lifetimes1") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0425]: cannot find value `child_numbers` in this scope [INFO] [stdout] --> exercises/19_smart_pointers/arc1.rs:35:28 [INFO] [stdout] | [INFO] [stdout] 35 | let sum: u32 = child_numbers.iter().filter(|&&n| n % 8 == offset).sum(); [INFO] [stdout] | ^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unused import: `sync::Arc` [INFO] [stdout] --> exercises/19_smart_pointers/arc1.rs:20:11 [INFO] [stdout] | [INFO] [stdout] 20 | use std::{sync::Arc, thread}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> exercises/19_smart_pointers/arc1.rs:19:11 [INFO] [stdout] | [INFO] [stdout] 19 | #![forbid(unused_imports)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> exercises/14_generics/generics2.rs:29:33 [INFO] [stdout] | [INFO] [stdout] 29 | assert_eq!(Wrapper::new("Foo").value, "Foo"); [INFO] [stdout] | ------------ ^^^^^ expected `u32`, found `&str` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> exercises/14_generics/generics2.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn new(value: u32) -> Self { [INFO] [stdout] | ^^^ ---------- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> exercises/14_generics/generics2.rs:29:47 [INFO] [stdout] | [INFO] [stdout] 29 | assert_eq!(Wrapper::new("Foo").value, "Foo"); [INFO] [stdout] | ^^^^^ expected `u32`, found `&str` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `exercises` (bin "arc1" test) due to 2 previous errors [INFO] [stderr] error: could not compile `exercises` (bin "generics2" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "7c2af24763262bfb6f2be61eecb061d506549ccb1543bc29e7f7d5d51eb41240", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c2af24763262bfb6f2be61eecb061d506549ccb1543bc29e7f7d5d51eb41240", kill_on_drop: false }` [INFO] [stdout] 7c2af24763262bfb6f2be61eecb061d506549ccb1543bc29e7f7d5d51eb41240