[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#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcenviity%2Flearn-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cenviity/learn-rust on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f746b1e7712e467a2157fe3c9f6155d93a2d81bd28c4256a2e063c34983dd0b9
[INFO] running `Command { std: "docker" "start" "-a" "f746b1e7712e467a2157fe3c9f6155d93a2d81bd28c4256a2e063c34983dd0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f746b1e7712e467a2157fe3c9f6155d93a2d81bd28c4256a2e063c34983dd0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f746b1e7712e467a2157fe3c9f6155d93a2d81bd28c4256a2e063c34983dd0b9", kill_on_drop: false }`
[INFO] [stdout] f746b1e7712e467a2157fe3c9f6155d93a2d81bd28c4256a2e063c34983dd0b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0d6ac9297c29a8778b9c8f104ba706974bd18cd06c8ab38e0f4387898380762
[INFO] running `Command { std: "docker" "start" "-a" "c0d6ac9297c29a8778b9c8f104ba706974bd18cd06c8ab38e0f4387898380762", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking blog v0.1.0 (/opt/rustwide/workdir/17/blog)
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir/20/hello)
[INFO] [stderr]     Checking hello-macro v0.1.0 (/opt/rustwide/workdir/19/hello-macro)
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir/12/minigrep)
[INFO] [stderr]     Checking art v0.1.0 (/opt/rustwide/workdir/14/art)
[INFO] [stderr]     Checking gui v0.1.0 (/opt/rustwide/workdir/17/gui)
[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 closures v0.1.0 (/opt/rustwide/workdir/13/closures)
[INFO] [stderr]     Checking fully-qualified-syntax v0.1.0 (/opt/rustwide/workdir/19/fully-qualified-syntax)
[INFO] [stderr]     Checking message-passing v0.1.0 (/opt/rustwide/workdir/16/message-passing)
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/03/variables)
[INFO] [stderr]     Checking match-construct v0.1.0 (/opt/rustwide/workdir/06/match-construct)
[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 deref v0.1.0 (/opt/rustwide/workdir/15/deref)
[INFO] [stderr]     Checking hello-world v0.1.0 (/opt/rustwide/workdir/01/hello-world)
[INFO] [stderr]     Checking function-pointers v0.1.0 (/opt/rustwide/workdir/19/function-pointers)
[INFO] [stderr]     Checking panic v0.1.0 (/opt/rustwide/workdir/09/panic)
[INFO] [stderr]     Checking type-alias v0.1.0 (/opt/rustwide/workdir/19/type-alias)
[INFO] [stderr]     Checking ownership v0.1.0 (/opt/rustwide/workdir/04/ownership)
[INFO] [stderr]     Checking loops v0.1.0 (/opt/rustwide/workdir/03/loops)
[INFO] [stderr]     Checking while-let-patterns v0.1.0 (/opt/rustwide/workdir/18/while-let-patterns)
[INFO] [stderr]     Checking data-types v0.1.0 (/opt/rustwide/workdir/03/data-types)
[INFO] [stderr]     Checking if-let v0.1.0 (/opt/rustwide/workdir/06/if-let)
[INFO] [stderr]     Checking hello-cargo v0.1.0 (/opt/rustwide/workdir/01/hello-cargo)
[INFO] [stderr]     Checking unsafe-traits v0.1.0 (/opt/rustwide/workdir/19/unsafe-traits)
[INFO] [stderr]     Checking adder v0.1.0 (/opt/rustwide/workdir/11/adder)
[INFO] [stderr]     Checking drop v0.1.0 (/opt/rustwide/workdir/15/drop)
[INFO] [stderr]     Checking example-using-structs v0.1.0 (/opt/rustwide/workdir/05/example-using-structs)
[INFO] [stderr]     Checking reference-cycles v0.1.0 (/opt/rustwide/workdir/15/reference-cycles)
[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 hash-maps v0.1.0 (/opt/rustwide/workdir/08/hash-maps)
[INFO] [stderr]     Checking for-patterns v0.1.0 (/opt/rustwide/workdir/18/for-patterns)
[INFO] [stderr]     Checking functions v0.1.0 (/opt/rustwide/workdir/03/functions)
[INFO] [stderr]     Checking restaurant v0.1.0 (/opt/rustwide/workdir/07/restaurant)
[INFO] [stderr]     Checking result v0.1.0 (/opt/rustwide/workdir/09/result)
[INFO] [stderr]     Checking boxes v0.1.0 (/opt/rustwide/workdir/15/boxes)
[INFO] [stderr]     Checking defining-structs v0.1.0 (/opt/rustwide/workdir/05/defining-structs)
[INFO] [stderr]     Checking slice_type v0.1.0 (/opt/rustwide/workdir/04/slice-type)
[INFO] [stderr]     Checking generic-data-types-in-structs v0.1.0 (/opt/rustwide/workdir/10/generic-data-types-in-structs)
[INFO] [stderr]     Checking supertrait v0.1.0 (/opt/rustwide/workdir/19/supertrait)
[INFO] [stderr]     Checking ownership-recap v0.1.0 (/opt/rustwide/workdir/04/ownership-recap)
[INFO] [stderr]     Checking defining-enums v0.1.0 (/opt/rustwide/workdir/06/defining-enums)
[INFO] [stderr]     Checking iterators v0.1.0 (/opt/rustwide/workdir/13/iterators)
[INFO] [stderr]     Checking generic-data-types v0.1.0 (/opt/rustwide/workdir/10/generic-data-types)
[INFO] [stderr]     Checking object-oriented-characteristics v0.1.0 (/opt/rustwide/workdir/17/object-oriented-characteristics)
[INFO] [stderr]     Checking rc v0.1.0 (/opt/rustwide/workdir/15/rc)
[INFO] [stderr]     Checking branches v0.1.0 (/opt/rustwide/workdir/03/branches)
[INFO] [stderr]     Checking references-and-borrowing v0.1.0 (/opt/rustwide/workdir/04/references-and-borrowing)
[INFO] [stderr]     Checking mutable-static-variables v0.1.0 (/opt/rustwide/workdir/19/mutable-static-variables)
[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_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking shared-state v0.1.0 (/opt/rustwide/workdir/16/shared-state)
[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] [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] [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 <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c0d6ac9297c29a8778b9c8f104ba706974bd18cd06c8ab38e0f4387898380762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0d6ac9297c29a8778b9c8f104ba706974bd18cd06c8ab38e0f4387898380762", kill_on_drop: false }`
[INFO] [stdout] c0d6ac9297c29a8778b9c8f104ba706974bd18cd06c8ab38e0f4387898380762
