[INFO] cloning repository https://github.com/tornikegomareli/personal_rustlings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tornikegomareli/personal_rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftornikegomareli%2Fpersonal_rustlings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftornikegomareli%2Fpersonal_rustlings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c6168e2e65f119aa2b4792abf91352174c45820d [INFO] testing tornikegomareli/personal_rustlings against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftornikegomareli%2Fpersonal_rustlings" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tornikegomareli/personal_rustlings [INFO] finished tweaking git repo https://github.com/tornikegomareli/personal_rustlings [INFO] tweaked toml for git repo https://github.com/tornikegomareli/personal_rustlings written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tornikegomareli/personal_rustlings on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tornikegomareli/personal_rustlings 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 06db30e7ac341404b5eaba918948c0ae0da2f3d026ac328e78edb128be0a9cc5 [INFO] running `Command { std: "docker" "start" "-a" "06db30e7ac341404b5eaba918948c0ae0da2f3d026ac328e78edb128be0a9cc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "06db30e7ac341404b5eaba918948c0ae0da2f3d026ac328e78edb128be0a9cc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06db30e7ac341404b5eaba918948c0ae0da2f3d026ac328e78edb128be0a9cc5", kill_on_drop: false }` [INFO] [stdout] 06db30e7ac341404b5eaba918948c0ae0da2f3d026ac328e78edb128be0a9cc5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7064c911cb989cf3a498742d5617c4c9b810926d61385b42c401563c14414b8 [INFO] running `Command { std: "docker" "start" "-a" "a7064c911cb989cf3a498742d5617c4c9b810926d61385b42c401563c14414b8", kill_on_drop: false }` [INFO] [stderr] Compiling exercises v0.0.0 (/opt/rustwide/workdir) [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] For more information about this error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stderr] error: could not compile `exercises` (bin "arc1") due to 2 previous errors [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> exercises/18_iterators/iterators3.rs:13:11 [INFO] [stdout] | [INFO] [stdout] 13 | fn divide(a: i64, b: i64) -> Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> exercises/18_iterators/iterators3.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 13 | fn divide(a: i64, b: i64) -> Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `division_results` [INFO] [stdout] --> exercises/18_iterators/iterators3.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let division_results = numbers.into_iter().map(|n| divide(n, 27)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_division_results` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `division_results` [INFO] [stdout] --> exercises/18_iterators/iterators3.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let division_results = numbers.into_iter().map(|n| divide(n, 27)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_division_results` [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a7064c911cb989cf3a498742d5617c4c9b810926d61385b42c401563c14414b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7064c911cb989cf3a498742d5617c4c9b810926d61385b42c401563c14414b8", kill_on_drop: false }` [INFO] [stdout] a7064c911cb989cf3a498742d5617c4c9b810926d61385b42c401563c14414b8