[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] fd76f4d116df10032912a600f4487f406caf4731
[INFO] testing cenviity/learn-rust against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcenviity%2Flearn-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cenviity/learn-rust on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcc57e8816f95ed54e9c93aa4134363bcac8f43861b2e61b7059a9e7c063ca23
[INFO] running `Command { std: "docker" "start" "-a" "dcc57e8816f95ed54e9c93aa4134363bcac8f43861b2e61b7059a9e7c063ca23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcc57e8816f95ed54e9c93aa4134363bcac8f43861b2e61b7059a9e7c063ca23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc57e8816f95ed54e9c93aa4134363bcac8f43861b2e61b7059a9e7c063ca23", kill_on_drop: false }`
[INFO] [stdout] dcc57e8816f95ed54e9c93aa4134363bcac8f43861b2e61b7059a9e7c063ca23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b1d967cfd524953512ecb9cf2a7674f645a0ae94f503094dd61fbcdec706d23
[INFO] running `Command { std: "docker" "start" "-a" "9b1d967cfd524953512ecb9cf2a7674f645a0ae94f503094dd61fbcdec706d23", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling default-generic-type-parameters v0.1.0 (/opt/rustwide/workdir/19/default-generic-type-parameters)
[INFO] [stderr]    Compiling hello-macro v0.1.0 (/opt/rustwide/workdir/19/hello-macro)
[INFO] [stderr]    Compiling gui v0.1.0 (/opt/rustwide/workdir/17/gui)
[INFO] [stderr]    Compiling aggregator v0.1.0 (/opt/rustwide/workdir/10/aggregator)
[INFO] [stderr]    Compiling art v0.1.0 (/opt/rustwide/workdir/14/art)
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir/12/minigrep)
[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)]` 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]    Compiling hello v0.1.0 (/opt/rustwide/workdir/20/hello)
[INFO] [stderr]    Compiling blog v0.1.0 (/opt/rustwide/workdir/17/blog)
[INFO] [stderr]    Compiling match-construct v0.1.0 (/opt/rustwide/workdir/06/match-construct)
[INFO] [stderr]    Compiling message-passing v0.1.0 (/opt/rustwide/workdir/16/message-passing)
[INFO] [stderr]    Compiling my-crate v0.1.0 (/opt/rustwide/workdir/14/my-crate)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/03/variables)
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/04/ownership)
[INFO] [stderr]    Compiling result v0.1.0 (/opt/rustwide/workdir/09/result)
[INFO] [stderr]    Compiling raw-pointer v0.1.0 (/opt/rustwide/workdir/19/raw-pointer)
[INFO] [stderr]    Compiling fully-qualified-syntax v0.1.0 (/opt/rustwide/workdir/19/fully-qualified-syntax)
[INFO] [stderr]    Compiling newtype v0.1.0 (/opt/rustwide/workdir/19/newtype)
[INFO] [stderr]    Compiling shared-state v0.1.0 (/opt/rustwide/workdir/16/shared-state)
[INFO] [stderr]    Compiling defining-structs v0.1.0 (/opt/rustwide/workdir/05/defining-structs)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling panic v0.1.0 (/opt/rustwide/workdir/09/panic)
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/07/restaurant)
[INFO] [stderr]    Compiling vectors v0.1.0 (/opt/rustwide/workdir/08/vectors)
[INFO] [stderr]    Compiling unsafe-functions-methods v0.1.0 (/opt/rustwide/workdir/19/unsafe-functions-methods)
[INFO] [stderr]    Compiling function-pointers v0.1.0 (/opt/rustwide/workdir/19/function-pointers)
[INFO] [stderr]    Compiling iterators v0.1.0 (/opt/rustwide/workdir/13/iterators)
[INFO] [stderr]    Compiling drop v0.1.0 (/opt/rustwide/workdir/15/drop)
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling ownership-recap v0.1.0 (/opt/rustwide/workdir/04/ownership-recap)
[INFO] [stderr]    Compiling strings v0.1.0 (/opt/rustwide/workdir/08/strings)
[INFO] [stderr]    Compiling generic-data-types v0.1.0 (/opt/rustwide/workdir/10/generic-data-types)
[INFO] [stderr]    Compiling threads v0.1.0 (/opt/rustwide/workdir/16/threads)
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/10/traits)
[INFO] [stderr]    Compiling getrandom v0.2.13
[INFO] [stderr]    Compiling supertrait v0.1.0 (/opt/rustwide/workdir/19/supertrait)
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir/01/hello-world)
[INFO] [stderr]    Compiling hello-cargo v0.1.0 (/opt/rustwide/workdir/01/hello-cargo)
[INFO] [stderr]    Compiling for-patterns v0.1.0 (/opt/rustwide/workdir/18/for-patterns)
[INFO] [stderr]    Compiling function-parameter-patterns v0.1.0 (/opt/rustwide/workdir/18/function-parameter-patterns)
[INFO] [stderr]    Compiling declarative-macros v0.1.0 (/opt/rustwide/workdir/19/declarative-macros)
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling pattern-syntax v0.1.0 (/opt/rustwide/workdir/18/pattern-syntax)
[INFO] [stderr]    Compiling references-and-borrowing v0.1.0 (/opt/rustwide/workdir/04/references-and-borrowing)
[INFO] [stderr]    Compiling slice_type v0.1.0 (/opt/rustwide/workdir/04/slice-type)
[INFO] [stderr]    Compiling unsafe-traits v0.1.0 (/opt/rustwide/workdir/19/unsafe-traits)
[INFO] [stderr]    Compiling example-using-structs v0.1.0 (/opt/rustwide/workdir/05/example-using-structs)
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling deref v0.1.0 (/opt/rustwide/workdir/15/deref)
[INFO] [stderr]    Compiling while-let-patterns v0.1.0 (/opt/rustwide/workdir/18/while-let-patterns)
[INFO] [stderr]    Compiling data-types v0.1.0 (/opt/rustwide/workdir/03/data-types)
[INFO] [stderr]    Compiling branches v0.1.0 (/opt/rustwide/workdir/03/branches)
[INFO] [stderr]    Compiling if-let-patterns v0.1.0 (/opt/rustwide/workdir/18/if-let-patterns)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/11/adder)
[INFO] [stderr]    Compiling refcell v0.1.0 (/opt/rustwide/workdir/15/refcell)
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling boxes v0.1.0 (/opt/rustwide/workdir/15/boxes)
[INFO] [stderr]    Compiling object-oriented-characteristics v0.1.0 (/opt/rustwide/workdir/17/object-oriented-characteristics)
[INFO] [stderr]    Compiling rc v0.1.0 (/opt/rustwide/workdir/15/rc)
[INFO] [stderr]    Compiling lifetimes v0.1.0 (/opt/rustwide/workdir/10/lifetimes)
[INFO] [stderr]    Compiling mutable-static-variables v0.1.0 (/opt/rustwide/workdir/19/mutable-static-variables)
[INFO] [stderr]    Compiling type-alias v0.1.0 (/opt/rustwide/workdir/19/type-alias)
[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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling if-let v0.1.0 (/opt/rustwide/workdir/06/if-let)
[INFO] [stderr]    Compiling loops v0.1.0 (/opt/rustwide/workdir/03/loops)
[INFO] [stderr]    Compiling controlling-test-runs v0.1.0 (/opt/rustwide/workdir/11/controlling-test-runs)
[INFO] [stderr]    Compiling closures v0.1.0 (/opt/rustwide/workdir/13/closures)
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/03/functions)
[INFO] [stderr]    Compiling hash-maps v0.1.0 (/opt/rustwide/workdir/08/hash-maps)
[INFO] [stderr]    Compiling generic-data-types-in-structs v0.1.0 (/opt/rustwide/workdir/10/generic-data-types-in-structs)
[INFO] [stderr]    Compiling reference-cycles v0.1.0 (/opt/rustwide/workdir/15/reference-cycles)
[INFO] [stderr]    Compiling test-organisation v0.1.0 (/opt/rustwide/workdir/11/test-organisation)
[INFO] [stderr]    Compiling defining-enums v0.1.0 (/opt/rustwide/workdir/06/defining-enums)
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/rustwide/workdir/02/guessing-game)
[INFO] [stderr]    Compiling hello-macro-derive v0.1.0 (/opt/rustwide/workdir/19/hello-macro/hello-macro-derive)
[INFO] [stderr]    Compiling pancakes v0.1.0 (/opt/rustwide/workdir/19/pancakes)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.04s
[INFO] running `Command { std: "docker" "inspect" "9b1d967cfd524953512ecb9cf2a7674f645a0ae94f503094dd61fbcdec706d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b1d967cfd524953512ecb9cf2a7674f645a0ae94f503094dd61fbcdec706d23", kill_on_drop: false }`
[INFO] [stdout] 9b1d967cfd524953512ecb9cf2a7674f645a0ae94f503094dd61fbcdec706d23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a605b4027c5f8dcc97c11601bf07c43efa39f63a5fb1587b24250e6887a99004
[INFO] running `Command { std: "docker" "start" "-a" "a605b4027c5f8dcc97c11601bf07c43efa39f63a5fb1587b24250e6887a99004", kill_on_drop: false }`
[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)]` 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]    Compiling blog v0.1.0 (/opt/rustwide/workdir/17/blog)
[INFO] [stderr]    Compiling art v0.1.0 (/opt/rustwide/workdir/14/art)
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir/12/minigrep)
[INFO] [stderr]    Compiling guessing-game v0.1.0 (/opt/rustwide/workdir/02/guessing-game)
[INFO] [stderr]    Compiling pancakes v0.1.0 (/opt/rustwide/workdir/19/pancakes)
[INFO] [stderr]    Compiling aggregator v0.1.0 (/opt/rustwide/workdir/10/aggregator)
[INFO] [stderr]    Compiling gui v0.1.0 (/opt/rustwide/workdir/17/gui)
[INFO] [stderr]    Compiling test-organisation v0.1.0 (/opt/rustwide/workdir/11/test-organisation)
[INFO] [stderr]    Compiling default-generic-type-parameters v0.1.0 (/opt/rustwide/workdir/19/default-generic-type-parameters)
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir/20/hello)
[INFO] [stderr]    Compiling function-parameter-patterns v0.1.0 (/opt/rustwide/workdir/18/function-parameter-patterns)
[INFO] [stderr]    Compiling boxes v0.1.0 (/opt/rustwide/workdir/15/boxes)
[INFO] [stderr]    Compiling if-let-patterns v0.1.0 (/opt/rustwide/workdir/18/if-let-patterns)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/11/adder)
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/10/traits)
[INFO] [stderr]    Compiling drop v0.1.0 (/opt/rustwide/workdir/15/drop)
[INFO] [stderr]    Compiling controlling-test-runs v0.1.0 (/opt/rustwide/workdir/11/controlling-test-runs)
[INFO] [stderr]    Compiling supertrait v0.1.0 (/opt/rustwide/workdir/19/supertrait)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/03/variables)
[INFO] [stderr]    Compiling branches v0.1.0 (/opt/rustwide/workdir/03/branches)
[INFO] [stderr]    Compiling type-alias v0.1.0 (/opt/rustwide/workdir/19/type-alias)
[INFO] [stderr]    Compiling fully-qualified-syntax v0.1.0 (/opt/rustwide/workdir/19/fully-qualified-syntax)
[INFO] [stderr]    Compiling object-oriented-characteristics v0.1.0 (/opt/rustwide/workdir/17/object-oriented-characteristics)
[INFO] [stderr]    Compiling defining-enums v0.1.0 (/opt/rustwide/workdir/06/defining-enums)
[INFO] [stderr]    Compiling unsafe-functions-methods v0.1.0 (/opt/rustwide/workdir/19/unsafe-functions-methods)
[INFO] [stderr]    Compiling while-let-patterns v0.1.0 (/opt/rustwide/workdir/18/while-let-patterns)
[INFO] [stderr]    Compiling unsafe-traits v0.1.0 (/opt/rustwide/workdir/19/unsafe-traits)
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/07/restaurant)
[INFO] [stderr]    Compiling message-passing v0.1.0 (/opt/rustwide/workdir/16/message-passing)
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling shared-state v0.1.0 (/opt/rustwide/workdir/16/shared-state)
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/03/functions)
[INFO] [stderr]    Compiling iterators v0.1.0 (/opt/rustwide/workdir/13/iterators)
[INFO] [stderr]    Compiling loops v0.1.0 (/opt/rustwide/workdir/03/loops)
[INFO] [stderr]    Compiling refcell v0.1.0 (/opt/rustwide/workdir/15/refcell)
[INFO] [stderr]    Compiling reference-cycles v0.1.0 (/opt/rustwide/workdir/15/reference-cycles)
[INFO] [stderr]    Compiling strings v0.1.0 (/opt/rustwide/workdir/08/strings)
[INFO] [stderr]    Compiling references-and-borrowing v0.1.0 (/opt/rustwide/workdir/04/references-and-borrowing)
[INFO] [stderr]    Compiling for-patterns v0.1.0 (/opt/rustwide/workdir/18/for-patterns)
[INFO] [stderr]    Compiling hash-maps v0.1.0 (/opt/rustwide/workdir/08/hash-maps)
[INFO] [stderr]    Compiling threads v0.1.0 (/opt/rustwide/workdir/16/threads)
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir/01/hello-world)
[INFO] [stderr]    Compiling vectors v0.1.0 (/opt/rustwide/workdir/08/vectors)
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/04/ownership)
[INFO] [stderr]    Compiling example-using-structs v0.1.0 (/opt/rustwide/workdir/05/example-using-structs)
[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)]` 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]    Compiling closures v0.1.0 (/opt/rustwide/workdir/13/closures)
[INFO] [stderr]    Compiling lifetimes v0.1.0 (/opt/rustwide/workdir/10/lifetimes)
[INFO] [stderr]    Compiling if-let v0.1.0 (/opt/rustwide/workdir/06/if-let)
[INFO] [stderr]    Compiling result v0.1.0 (/opt/rustwide/workdir/09/result)
[INFO] [stderr]    Compiling my-crate v0.1.0 (/opt/rustwide/workdir/14/my-crate)
[INFO] [stderr]    Compiling data-types v0.1.0 (/opt/rustwide/workdir/03/data-types)
[INFO] [stderr]    Compiling function-pointers v0.1.0 (/opt/rustwide/workdir/19/function-pointers)
[INFO] [stderr]    Compiling generic-data-types v0.1.0 (/opt/rustwide/workdir/10/generic-data-types)
[INFO] [stderr]    Compiling ownership-recap v0.1.0 (/opt/rustwide/workdir/04/ownership-recap)
[INFO] [stderr]    Compiling deref v0.1.0 (/opt/rustwide/workdir/15/deref)
[INFO] [stderr]    Compiling match-construct v0.1.0 (/opt/rustwide/workdir/06/match-construct)
[INFO] [stderr]    Compiling defining-structs v0.1.0 (/opt/rustwide/workdir/05/defining-structs)
[INFO] [stderr]    Compiling panic v0.1.0 (/opt/rustwide/workdir/09/panic)
[INFO] [stderr]    Compiling mutable-static-variables v0.1.0 (/opt/rustwide/workdir/19/mutable-static-variables)
[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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slice_type v0.1.0 (/opt/rustwide/workdir/04/slice-type)
[INFO] [stderr]    Compiling generic-data-types-in-structs v0.1.0 (/opt/rustwide/workdir/10/generic-data-types-in-structs)
[INFO] [stderr]    Compiling newtype v0.1.0 (/opt/rustwide/workdir/19/newtype)
[INFO] [stderr]    Compiling raw-pointer v0.1.0 (/opt/rustwide/workdir/19/raw-pointer)
[INFO] [stderr]    Compiling declarative-macros v0.1.0 (/opt/rustwide/workdir/19/declarative-macros)
[INFO] [stderr]    Compiling hello-cargo v0.1.0 (/opt/rustwide/workdir/01/hello-cargo)
[INFO] [stderr]    Compiling rc v0.1.0 (/opt/rustwide/workdir/15/rc)
[INFO] [stderr]    Compiling pattern-syntax v0.1.0 (/opt/rustwide/workdir/18/pattern-syntax)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.73s
[INFO] running `Command { std: "docker" "inspect" "a605b4027c5f8dcc97c11601bf07c43efa39f63a5fb1587b24250e6887a99004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a605b4027c5f8dcc97c11601bf07c43efa39f63a5fb1587b24250e6887a99004", kill_on_drop: false }`
[INFO] [stdout] a605b4027c5f8dcc97c11601bf07c43efa39f63a5fb1587b24250e6887a99004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40a253b650b5cb1fa5606274ae9fe75e7745fbbceae2cd9a21033b3a685f8452
[INFO] running `Command { std: "docker" "start" "-a" "40a253b650b5cb1fa5606274ae9fe75e7745fbbceae2cd9a21033b3a685f8452", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Millimeters` is never constructed
[INFO] [stderr]  --> 19/default-generic-type-parameters/src/lib.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Millimeters(u32);
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Meters` is never constructed
[INFO] [stderr]  --> 19/default-generic-type-parameters/src/lib.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Meters(u32);
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `default-generic-type-parameters` (lib) generated 2 warnings
[INFO] [stderr] warning: `default-generic-type-parameters` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> 19/mutable-static-variables/src/main.rs:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 |         println!("COUNTER: {}", COUNTER);
[INFO] [stderr]    |                                 ^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = 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] [stderr]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Foo` is never used
[INFO] [stderr]  --> 19/unsafe-traits/src/main.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | unsafe trait Foo {
[INFO] [stderr]   |              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mutable-static-variables` (bin "mutable-static-variables" test) generated 1 warning
[INFO] [stderr] warning: `unsafe-traits` (bin "unsafe-traits" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/adder-925a98f0568849da)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aggregator-c074c004b7b210e7)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aggregator-acb02be2889b2563)
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blog-44b48c63f7cd8434)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blog-59fd18aad997fdf4)
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[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/boxes-4b2ffa36930bdd55)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/branches-293eb14b0248d905)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/closures-e854bb055576483d)
[INFO] [stdout] running 0 tests
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[INFO] [stdout] 
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/controlling_test_runs-db916fb9c6f20824)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::expensive_test ... ignored
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/data_types-99f6ecfeb93391a8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/declarative_macros-8bd62fb203da9f34)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/default_generic_type_parameters-cb4450646ccf94dc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/default_generic_type_parameters-c0a435cb6221368f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/defining_enums-e7670c70e3e149ad)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/defining_structs-47e8dd8ccd282ca0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/deref-54070d86aee2cae8)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/drop-92cf10383e9d7d95)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/example_using_structs-00ae11c0bf5037cd)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/for_patterns-70deb09d4edc5a8d)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fully_qualified_syntax-70dfa4c7f8ef6b4a)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/function_parameter_patterns-99232f22527ec418)
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/function_pointers-3fe14eaa1cd2351b)
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/generic_data_types-77db9711f4b03ed4)
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/generic_data_types_in_structs-8cf676a7cd190ae4)
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world-ac4d3e5b22b794ce)
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/if_let_patterns-aa44a55ab0810024)
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/iterators-69a05e011aee15e4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::filters_by_size ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lifetimes-78a8f44dcee2e06a)
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[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] test tests::case_insensitive ... ok
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[INFO] [stdout] 
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mutable_static_variables-6c97fab1718ce00d)
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[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/my_crate-aa1651fcba7c6d6e)
[INFO] [stdout] 
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/newtype-05e39a7fbcc474b7)
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[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/object_oriented_characteristics-6373aa53e9be5c16)
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ownership-cbe153f806bfeae5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ownership_recap-5f85574280f9107e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pancakes-45b444c27140b680)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/panic-82ec6d94e64e0213)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pattern_syntax-627af78077560a1f)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/raw_pointer-4d61217640ea2112)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rc-f22419803187fcad)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/refcell-6292b006fc2fe62b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_sends_an_over_75_percent_warning_message ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::it_sends_an_over_75_percent_warning_message stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::it_sends_an_over_75_percent_warning_message' panicked at 15/refcell/src/lib.rs:60:53:
[INFO] [stdout] RefCell already borrowed
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5da7323cfc42 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5da7323cfc42 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5da7323cfc42 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5da7323cfc42 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5da7323f4e63 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5da7323f4e63 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5da7323ccbc3 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5da7323ccbc3 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5da7323cfa92 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5da7323d11b9 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5da7323d0fee - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5da7323995c4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5da7323995c4 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5da7323d1b8e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5da7323d1b8e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5da7323d195a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5da7323d0139 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5da7323d15ed - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5da7323f3950 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5da7323f9873 - core::cell::panic_already_borrowed::do_panic::runtime::hb086604e0e816804
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic.rs:218:21
[INFO] [stdout]   20:     0x5da7323f351a - core::cell::panic_already_borrowed::do_panic::h510bf9b68429ac1c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/intrinsics/mod.rs:2367:9
[INFO] [stdout]   21:     0x5da7323f351a - core::cell::panic_already_borrowed::hcfe04d608d2308a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic.rs:223:9
[INFO] [stdout]   22:     0x5da73235ef62 - core::cell::RefCell<T>::borrow_mut::h7c6a841aebbadc0a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/cell.rs:1089:25
[INFO] [stdout]   23:     0x5da73235fd85 - <refcell::tests::MockMessenger as refcell::Messenger>::send::h95f4deb95ec7de03
[INFO] [stdout]                                at /opt/rustwide/workdir/15/refcell/src/lib.rs:60:53
[INFO] [stdout]   24:     0x5da73235fcce - refcell::LimitTracker<T>::set_value::h609ac0a2e16fc0ed
[INFO] [stdout]                                at /opt/rustwide/workdir/15/refcell/src/lib.rs:35:18
[INFO] [stdout]   25:     0x5da73235ff30 - refcell::tests::it_sends_an_over_75_percent_warning_message::h503416f8d4e40792
[INFO] [stdout]                                at /opt/rustwide/workdir/15/refcell/src/lib.rs:72:23
[INFO] [stdout]   26:     0x5da73235feb7 - refcell::tests::it_sends_an_over_75_percent_warning_message::{{closure}}::h9d9810bc5823b103
[INFO] [stdout]                                at /opt/rustwide/workdir/15/refcell/src/lib.rs:68:53
[INFO] [stdout]   27:     0x5da73235e756 - core::ops::function::FnOnce::call_once::h583fd128bb3dd10a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   28:     0x5da73239ee2b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   29:     0x5da73239ee2b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   30:     0x5da73239df65 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   31:     0x5da73239df65 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   32:     0x5da73239df65 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   33:     0x5da73239df65 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   34:     0x5da73239df65 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5da73239df65 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   36:     0x5da73239df65 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   37:     0x5da732361b64 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   38:     0x5da732361b64 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   39:     0x5da73236553a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   40:     0x5da73236553a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   41:     0x5da73236553a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   42:     0x5da73236553a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   43:     0x5da73236553a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5da73236553a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   45:     0x5da73236553a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   46:     0x5da7323d4b0f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   47:     0x5da7323d4b0f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   48:     0x7e461a765aa4 - <unknown>
[INFO] [stdout]   49:     0x7e461a7f2a34 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::it_sends_an_over_75_percent_warning_message
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p refcell --lib`
[INFO] running `Command { std: "docker" "inspect" "40a253b650b5cb1fa5606274ae9fe75e7745fbbceae2cd9a21033b3a685f8452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a253b650b5cb1fa5606274ae9fe75e7745fbbceae2cd9a21033b3a685f8452", kill_on_drop: false }`
[INFO] [stdout] 40a253b650b5cb1fa5606274ae9fe75e7745fbbceae2cd9a21033b3a685f8452
