[INFO] cloning repository https://github.com/cenviity/learn-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cenviity/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcenviity%2Flearn-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcenviity%2Flearn-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f9a4c887b5c6887b4254634dd3ca912e9ddddee9 [INFO] checking cenviity/learn-rust against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcenviity%2Flearn-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cenviity/learn-rust [INFO] finished tweaking git repo https://github.com/cenviity/learn-rust [INFO] tweaked toml for git repo https://github.com/cenviity/learn-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cenviity/learn-rust on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cenviity/learn-rust 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 793b0e4313ec5659e3c5c532fed8ffd93c15a69fe89c6d0a7356d4eaa4b10190 [INFO] running `Command { std: "docker" "start" "-a" "793b0e4313ec5659e3c5c532fed8ffd93c15a69fe89c6d0a7356d4eaa4b10190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "793b0e4313ec5659e3c5c532fed8ffd93c15a69fe89c6d0a7356d4eaa4b10190", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "793b0e4313ec5659e3c5c532fed8ffd93c15a69fe89c6d0a7356d4eaa4b10190", kill_on_drop: false }` [INFO] [stdout] 793b0e4313ec5659e3c5c532fed8ffd93c15a69fe89c6d0a7356d4eaa4b10190 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2950a041f6eb8c637c84e8d9c2c046d7d19272fcb47881891071e056be7013d6 [INFO] running `Command { std: "docker" "start" "-a" "2950a041f6eb8c637c84e8d9c2c046d7d19272fcb47881891071e056be7013d6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking gui v0.1.0 (/opt/rustwide/workdir/17/gui) [INFO] [stderr] Checking art v0.1.0 (/opt/rustwide/workdir/14/art) [INFO] [stderr] Checking hello v0.1.0 (/opt/rustwide/workdir/20/hello) [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir/12/minigrep) [INFO] [stderr] Checking hello-macro v0.1.0 (/opt/rustwide/workdir/19/hello-macro) [INFO] [stderr] Checking blog v0.1.0 (/opt/rustwide/workdir/17/blog) [INFO] [stderr] Checking default-generic-type-parameters v0.1.0 (/opt/rustwide/workdir/19/default-generic-type-parameters) [INFO] [stderr] Checking aggregator v0.1.0 (/opt/rustwide/workdir/10/aggregator) [INFO] [stderr] Checking test-organisation v0.1.0 (/opt/rustwide/workdir/11/test-organisation) [INFO] [stderr] Checking refcell v0.1.0 (/opt/rustwide/workdir/15/refcell) [INFO] [stderr] Checking references-and-borrowing v0.1.0 (/opt/rustwide/workdir/04/references-and-borrowing) [INFO] [stderr] Checking function-parameter-patterns v0.1.0 (/opt/rustwide/workdir/18/function-parameter-patterns) [INFO] [stdout] warning: struct `Millimeters` is never constructed [INFO] [stdout] --> 19/default-generic-type-parameters/src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Millimeters(u32); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Meters` is never constructed [INFO] [stdout] --> 19/default-generic-type-parameters/src/lib.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Meters(u32); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking if-let v0.1.0 (/opt/rustwide/workdir/06/if-let) [INFO] [stderr] Checking ownership-recap v0.1.0 (/opt/rustwide/workdir/04/ownership-recap) [INFO] [stderr] Checking functions v0.1.0 (/opt/rustwide/workdir/03/functions) [INFO] [stderr] Checking declarative-macros v0.1.0 (/opt/rustwide/workdir/19/declarative-macros) [INFO] [stderr] Checking message-passing v0.1.0 (/opt/rustwide/workdir/16/message-passing) [INFO] [stderr] Checking fully-qualified-syntax v0.1.0 (/opt/rustwide/workdir/19/fully-qualified-syntax) [INFO] [stderr] Checking branches v0.1.0 (/opt/rustwide/workdir/03/branches) [INFO] [stderr] Checking iterators v0.1.0 (/opt/rustwide/workdir/13/iterators) [INFO] [stderr] Checking unsafe-traits v0.1.0 (/opt/rustwide/workdir/19/unsafe-traits) [INFO] [stderr] Checking pattern-syntax v0.1.0 (/opt/rustwide/workdir/18/pattern-syntax) [INFO] [stderr] Checking rc v0.1.0 (/opt/rustwide/workdir/15/rc) [INFO] [stderr] Checking ownership v0.1.0 (/opt/rustwide/workdir/04/ownership) [INFO] [stderr] Checking reference-cycles v0.1.0 (/opt/rustwide/workdir/15/reference-cycles) [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir/03/variables) [INFO] [stderr] Checking controlling-test-runs v0.1.0 (/opt/rustwide/workdir/11/controlling-test-runs) [INFO] [stderr] Checking slice_type v0.1.0 (/opt/rustwide/workdir/04/slice-type) [INFO] [stderr] Checking while-let-patterns v0.1.0 (/opt/rustwide/workdir/18/while-let-patterns) [INFO] [stderr] Checking loops v0.1.0 (/opt/rustwide/workdir/03/loops) [INFO] [stderr] Checking vectors v0.1.0 (/opt/rustwide/workdir/08/vectors) [INFO] [stderr] Checking drop v0.1.0 (/opt/rustwide/workdir/15/drop) [INFO] [stderr] Checking defining-structs v0.1.0 (/opt/rustwide/workdir/05/defining-structs) [INFO] [stderr] Checking panic v0.1.0 (/opt/rustwide/workdir/09/panic) [INFO] [stderr] Checking strings v0.1.0 (/opt/rustwide/workdir/08/strings) [INFO] [stdout] warning: trait `Foo` is never used [INFO] [stdout] --> 19/unsafe-traits/src/main.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | unsafe trait Foo { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking my-crate v0.1.0 (/opt/rustwide/workdir/14/my-crate) [INFO] [stderr] Checking match-construct v0.1.0 (/opt/rustwide/workdir/06/match-construct) [INFO] [stderr] Checking generic-data-types v0.1.0 (/opt/rustwide/workdir/10/generic-data-types) [INFO] [stderr] Checking traits v0.1.0 (/opt/rustwide/workdir/10/traits) [INFO] [stderr] Checking newtype v0.1.0 (/opt/rustwide/workdir/19/newtype) [INFO] [stderr] Checking hello-world v0.1.0 (/opt/rustwide/workdir/01/hello-world) [INFO] [stderr] Checking closures v0.1.0 (/opt/rustwide/workdir/13/closures) [INFO] [stderr] Checking lifetimes v0.1.0 (/opt/rustwide/workdir/10/lifetimes) [INFO] [stdout] warning: struct `Millimeters` is never constructed [INFO] [stdout] --> 19/default-generic-type-parameters/src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Millimeters(u32); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Meters` is never constructed [INFO] [stdout] --> 19/default-generic-type-parameters/src/lib.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Meters(u32); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hash-maps v0.1.0 (/opt/rustwide/workdir/08/hash-maps) [INFO] [stderr] Checking type-alias v0.1.0 (/opt/rustwide/workdir/19/type-alias) [INFO] [stderr] Checking unsafe-functions-methods v0.1.0 (/opt/rustwide/workdir/19/unsafe-functions-methods) [INFO] [stderr] Checking result v0.1.0 (/opt/rustwide/workdir/09/result) [INFO] [stderr] Checking deref v0.1.0 (/opt/rustwide/workdir/15/deref) [INFO] [stderr] Checking function-pointers v0.1.0 (/opt/rustwide/workdir/19/function-pointers) [INFO] [stderr] Checking defining-enums v0.1.0 (/opt/rustwide/workdir/06/defining-enums) [INFO] [stderr] Checking example-using-structs v0.1.0 (/opt/rustwide/workdir/05/example-using-structs) [INFO] [stderr] Checking generic-data-types-in-structs v0.1.0 (/opt/rustwide/workdir/10/generic-data-types-in-structs) [INFO] [stderr] Checking raw-pointer v0.1.0 (/opt/rustwide/workdir/19/raw-pointer) [INFO] [stderr] Checking if-let-patterns v0.1.0 (/opt/rustwide/workdir/18/if-let-patterns) [INFO] [stderr] Checking hello-cargo v0.1.0 (/opt/rustwide/workdir/01/hello-cargo) [INFO] [stderr] Checking mutable-static-variables v0.1.0 (/opt/rustwide/workdir/19/mutable-static-variables) [INFO] [stderr] Checking for-patterns v0.1.0 (/opt/rustwide/workdir/18/for-patterns) [INFO] [stderr] Checking data-types v0.1.0 (/opt/rustwide/workdir/03/data-types) [INFO] [stderr] Checking restaurant v0.1.0 (/opt/rustwide/workdir/07/restaurant) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> 19/mutable-static-variables/src/main.rs:13:33 [INFO] [stdout] | [INFO] [stdout] 13 | println!("COUNTER: {}", COUNTER); [INFO] [stdout] | ^^^^^^^ shared reference to mutable static [INFO] [stdout] | [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: for more information, see [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking adder v0.1.0 (/opt/rustwide/workdir/11/adder) [INFO] [stderr] Checking shared-state v0.1.0 (/opt/rustwide/workdir/16/shared-state) [INFO] [stderr] Checking object-oriented-characteristics v0.1.0 (/opt/rustwide/workdir/17/object-oriented-characteristics) [INFO] [stdout] warning: trait `Foo` is never used [INFO] [stdout] --> 19/unsafe-traits/src/main.rs:1:14 [INFO] [stdout] | [INFO] [stdout] 1 | unsafe trait Foo { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `AveragedCollection` is never constructed [INFO] [stdout] --> 17/object-oriented-characteristics/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct AveragedCollection { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking boxes v0.1.0 (/opt/rustwide/workdir/15/boxes) [INFO] [stderr] error: could not compile `object-oriented-characteristics` (lib test) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2950a041f6eb8c637c84e8d9c2c046d7d19272fcb47881891071e056be7013d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2950a041f6eb8c637c84e8d9c2c046d7d19272fcb47881891071e056be7013d6", kill_on_drop: false }` [INFO] [stdout] 2950a041f6eb8c637c84e8d9c2c046d7d19272fcb47881891071e056be7013d6