[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 beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcenviity%2Flearn-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cenviity/learn-rust on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc2/source/Cargo.toml
[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" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2da05ae44b2a42bc676d4bcc5104d75ac25e92a2492555482f92aed883a1a599
[INFO] running `Command { std: "docker" "start" "-a" "2da05ae44b2a42bc676d4bcc5104d75ac25e92a2492555482f92aed883a1a599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2da05ae44b2a42bc676d4bcc5104d75ac25e92a2492555482f92aed883a1a599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da05ae44b2a42bc676d4bcc5104d75ac25e92a2492555482f92aed883a1a599", kill_on_drop: false }`
[INFO] [stdout] 2da05ae44b2a42bc676d4bcc5104d75ac25e92a2492555482f92aed883a1a599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f358b0490c8bbaab3cbd3c1c5ff43a30d621c57aac7ad2447140ee87cd49d7f
[INFO] running `Command { std: "docker" "start" "-a" "2f358b0490c8bbaab3cbd3c1c5ff43a30d621c57aac7ad2447140ee87cd49d7f", 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]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir/12/minigrep)
[INFO] [stderr]    Compiling blog v0.1.0 (/opt/rustwide/workdir/17/blog)
[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 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 aggregator v0.1.0 (/opt/rustwide/workdir/10/aggregator)
[INFO] [stderr]    Compiling art v0.1.0 (/opt/rustwide/workdir/14/art)
[INFO] [stderr]    Compiling match-construct v0.1.0 (/opt/rustwide/workdir/06/match-construct)
[INFO] [stderr]    Compiling hello-cargo v0.1.0 (/opt/rustwide/workdir/01/hello-cargo)
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir/01/hello-world)
[INFO] [stderr]    Compiling hash-maps v0.1.0 (/opt/rustwide/workdir/08/hash-maps)
[INFO] [stderr]    Compiling slice_type v0.1.0 (/opt/rustwide/workdir/04/slice-type)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/03/variables)
[INFO] [stderr]    Compiling function-parameter-patterns v0.1.0 (/opt/rustwide/workdir/18/function-parameter-patterns)
[INFO] [stderr]    Compiling function-pointers v0.1.0 (/opt/rustwide/workdir/19/function-pointers)
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/10/traits)
[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 lifetimes v0.1.0 (/opt/rustwide/workdir/10/lifetimes)
[INFO] [stderr]    Compiling reference-cycles v0.1.0 (/opt/rustwide/workdir/15/reference-cycles)
[INFO] [stderr]    Compiling data-types v0.1.0 (/opt/rustwide/workdir/03/data-types)
[INFO] [stderr]    Compiling pattern-syntax v0.1.0 (/opt/rustwide/workdir/18/pattern-syntax)
[INFO] [stderr]    Compiling deref v0.1.0 (/opt/rustwide/workdir/15/deref)
[INFO] [stderr]    Compiling supertrait v0.1.0 (/opt/rustwide/workdir/19/supertrait)
[INFO] [stderr]    Compiling while-let-patterns v0.1.0 (/opt/rustwide/workdir/18/while-let-patterns)
[INFO] [stderr]    Compiling refcell v0.1.0 (/opt/rustwide/workdir/15/refcell)
[INFO] [stderr]    Compiling raw-pointer v0.1.0 (/opt/rustwide/workdir/19/raw-pointer)
[INFO] [stderr]    Compiling iterators v0.1.0 (/opt/rustwide/workdir/13/iterators)
[INFO] [stderr]    Compiling ownership-recap v0.1.0 (/opt/rustwide/workdir/04/ownership-recap)
[INFO] [stderr]    Compiling threads v0.1.0 (/opt/rustwide/workdir/16/threads)
[INFO] [stderr]    Compiling example-using-structs v0.1.0 (/opt/rustwide/workdir/05/example-using-structs)
[INFO] [stderr]    Compiling controlling-test-runs v0.1.0 (/opt/rustwide/workdir/11/controlling-test-runs)
[INFO] [stderr]    Compiling branches v0.1.0 (/opt/rustwide/workdir/03/branches)
[INFO] [stderr]    Compiling defining-structs v0.1.0 (/opt/rustwide/workdir/05/defining-structs)
[INFO] [stderr]    Compiling closures v0.1.0 (/opt/rustwide/workdir/13/closures)
[INFO] [stderr]    Compiling object-oriented-characteristics v0.1.0 (/opt/rustwide/workdir/17/object-oriented-characteristics)
[INFO] [stderr]    Compiling unsafe-functions-methods v0.1.0 (/opt/rustwide/workdir/19/unsafe-functions-methods)
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/07/restaurant)
[INFO] [stderr]    Compiling my-crate v0.1.0 (/opt/rustwide/workdir/14/my-crate)
[INFO] [stderr]    Compiling drop v0.1.0 (/opt/rustwide/workdir/15/drop)
[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 generic-data-types v0.1.0 (/opt/rustwide/workdir/10/generic-data-types)
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/04/ownership)
[INFO] [stderr]    Compiling defining-enums v0.1.0 (/opt/rustwide/workdir/06/defining-enums)
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling declarative-macros v0.1.0 (/opt/rustwide/workdir/19/declarative-macros)
[INFO] [stderr]    Compiling strings v0.1.0 (/opt/rustwide/workdir/08/strings)
[INFO] [stderr]    Compiling for-patterns v0.1.0 (/opt/rustwide/workdir/18/for-patterns)
[INFO] [stderr]    Compiling test-organisation v0.1.0 (/opt/rustwide/workdir/11/test-organisation)
[INFO] [stderr]    Compiling vectors v0.1.0 (/opt/rustwide/workdir/08/vectors)
[INFO] [stderr]    Compiling generic-data-types-in-structs v0.1.0 (/opt/rustwide/workdir/10/generic-data-types-in-structs)
[INFO] [stderr]    Compiling mutable-static-variables v0.1.0 (/opt/rustwide/workdir/19/mutable-static-variables)
[INFO] [stderr]    Compiling panic v0.1.0 (/opt/rustwide/workdir/09/panic)
[INFO] [stderr]    Compiling type-alias v0.1.0 (/opt/rustwide/workdir/19/type-alias)
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[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/nightly/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 syn v2.0.58
[INFO] [stderr]    Compiling references-and-borrowing v0.1.0 (/opt/rustwide/workdir/04/references-and-borrowing)
[INFO] [stderr]    Compiling rc v0.1.0 (/opt/rustwide/workdir/15/rc)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/11/adder)
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/rustwide/workdir/03/functions)
[INFO] [stderr]    Compiling message-passing v0.1.0 (/opt/rustwide/workdir/16/message-passing)
[INFO] [stderr]    Compiling result v0.1.0 (/opt/rustwide/workdir/09/result)
[INFO] [stderr]    Compiling unsafe-traits v0.1.0 (/opt/rustwide/workdir/19/unsafe-traits)
[INFO] [stderr]    Compiling if-let v0.1.0 (/opt/rustwide/workdir/06/if-let)
[INFO] [stderr]    Compiling shared-state v0.1.0 (/opt/rustwide/workdir/16/shared-state)
[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 loops v0.1.0 (/opt/rustwide/workdir/03/loops)
[INFO] [stderr]    Compiling getrandom v0.2.13
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[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 9.19s
[INFO] running `Command { std: "docker" "inspect" "2f358b0490c8bbaab3cbd3c1c5ff43a30d621c57aac7ad2447140ee87cd49d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f358b0490c8bbaab3cbd3c1c5ff43a30d621c57aac7ad2447140ee87cd49d7f", kill_on_drop: false }`
[INFO] [stdout] 2f358b0490c8bbaab3cbd3c1c5ff43a30d621c57aac7ad2447140ee87cd49d7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40109798c409597d8acdccf2cd11b260b893017adc06c29c23992e05a8c6f78b
[INFO] running `Command { std: "docker" "start" "-a" "40109798c409597d8acdccf2cd11b260b893017adc06c29c23992e05a8c6f78b", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir/20/hello)
[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 gui v0.1.0 (/opt/rustwide/workdir/17/gui)
[INFO] [stderr]    Compiling blog v0.1.0 (/opt/rustwide/workdir/17/blog)
[INFO] [stderr]    Compiling aggregator v0.1.0 (/opt/rustwide/workdir/10/aggregator)
[INFO] [stderr]    Compiling default-generic-type-parameters v0.1.0 (/opt/rustwide/workdir/19/default-generic-type-parameters)
[INFO] [stderr]    Compiling test-organisation v0.1.0 (/opt/rustwide/workdir/11/test-organisation)
[INFO] [stderr]    Compiling lifetimes v0.1.0 (/opt/rustwide/workdir/10/lifetimes)
[INFO] [stderr]    Compiling branches v0.1.0 (/opt/rustwide/workdir/03/branches)
[INFO] [stderr]    Compiling function-pointers v0.1.0 (/opt/rustwide/workdir/19/function-pointers)
[INFO] [stderr]    Compiling newtype v0.1.0 (/opt/rustwide/workdir/19/newtype)
[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 hello-cargo v0.1.0 (/opt/rustwide/workdir/01/hello-cargo)
[INFO] [stderr]    Compiling object-oriented-characteristics v0.1.0 (/opt/rustwide/workdir/17/object-oriented-characteristics)
[INFO] [stderr]    Compiling unsafe-traits v0.1.0 (/opt/rustwide/workdir/19/unsafe-traits)
[INFO] [stderr]    Compiling function-parameter-patterns v0.1.0 (/opt/rustwide/workdir/18/function-parameter-patterns)
[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 data-types v0.1.0 (/opt/rustwide/workdir/03/data-types)
[INFO] [stderr]    Compiling rc v0.1.0 (/opt/rustwide/workdir/15/rc)
[INFO] [stderr]    Compiling refcell v0.1.0 (/opt/rustwide/workdir/15/refcell)
[INFO] [stderr]    Compiling pattern-syntax v0.1.0 (/opt/rustwide/workdir/18/pattern-syntax)
[INFO] [stderr]    Compiling traits v0.1.0 (/opt/rustwide/workdir/10/traits)
[INFO] [stderr]    Compiling iterators v0.1.0 (/opt/rustwide/workdir/13/iterators)
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir/03/variables)
[INFO] [stderr]    Compiling generic-data-types v0.1.0 (/opt/rustwide/workdir/10/generic-data-types)
[INFO] [stderr]    Compiling ownership v0.1.0 (/opt/rustwide/workdir/04/ownership)
[INFO] [stderr]    Compiling reference-cycles v0.1.0 (/opt/rustwide/workdir/15/reference-cycles)
[INFO] [stderr]    Compiling loops v0.1.0 (/opt/rustwide/workdir/03/loops)
[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 raw-pointer v0.1.0 (/opt/rustwide/workdir/19/raw-pointer)
[INFO] [stderr]    Compiling while-let-patterns v0.1.0 (/opt/rustwide/workdir/18/while-let-patterns)
[INFO] [stderr]    Compiling defining-structs v0.1.0 (/opt/rustwide/workdir/05/defining-structs)
[INFO] [stderr]    Compiling supertrait v0.1.0 (/opt/rustwide/workdir/19/supertrait)
[INFO] [stderr]    Compiling vectors v0.1.0 (/opt/rustwide/workdir/08/vectors)
[INFO] [stderr]    Compiling example-using-structs v0.1.0 (/opt/rustwide/workdir/05/example-using-structs)
[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 is discouraged
[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/nightly/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 functions v0.1.0 (/opt/rustwide/workdir/03/functions)
[INFO] [stderr]    Compiling references-and-borrowing v0.1.0 (/opt/rustwide/workdir/04/references-and-borrowing)
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/07/restaurant)
[INFO] [stderr]    Compiling closures v0.1.0 (/opt/rustwide/workdir/13/closures)
[INFO] [stderr]    Compiling panic v0.1.0 (/opt/rustwide/workdir/09/panic)
[INFO] [stderr]    Compiling threads v0.1.0 (/opt/rustwide/workdir/16/threads)
[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 shared-state v0.1.0 (/opt/rustwide/workdir/16/shared-state)
[INFO] [stderr]    Compiling declarative-macros v0.1.0 (/opt/rustwide/workdir/19/declarative-macros)
[INFO] [stderr]    Compiling fully-qualified-syntax v0.1.0 (/opt/rustwide/workdir/19/fully-qualified-syntax)
[INFO] [stderr]    Compiling hash-maps v0.1.0 (/opt/rustwide/workdir/08/hash-maps)
[INFO] [stderr]    Compiling for-patterns v0.1.0 (/opt/rustwide/workdir/18/for-patterns)
[INFO] [stderr]    Compiling my-crate v0.1.0 (/opt/rustwide/workdir/14/my-crate)
[INFO] [stderr]    Compiling generic-data-types-in-structs v0.1.0 (/opt/rustwide/workdir/10/generic-data-types-in-structs)
[INFO] [stderr]    Compiling slice_type v0.1.0 (/opt/rustwide/workdir/04/slice-type)
[INFO] [stderr]    Compiling if-let-patterns v0.1.0 (/opt/rustwide/workdir/18/if-let-patterns)
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir/01/hello-world)
[INFO] [stderr]    Compiling controlling-test-runs v0.1.0 (/opt/rustwide/workdir/11/controlling-test-runs)
[INFO] [stderr]    Compiling strings v0.1.0 (/opt/rustwide/workdir/08/strings)
[INFO] [stderr]    Compiling if-let v0.1.0 (/opt/rustwide/workdir/06/if-let)
[INFO] [stderr]    Compiling unsafe-functions-methods v0.1.0 (/opt/rustwide/workdir/19/unsafe-functions-methods)
[INFO] [stderr]    Compiling boxes v0.1.0 (/opt/rustwide/workdir/15/boxes)
[INFO] [stderr]    Compiling drop v0.1.0 (/opt/rustwide/workdir/15/drop)
[INFO] [stderr]    Compiling defining-enums v0.1.0 (/opt/rustwide/workdir/06/defining-enums)
[INFO] [stderr]    Compiling adder v0.1.0 (/opt/rustwide/workdir/11/adder)
[INFO] [stderr]    Compiling result v0.1.0 (/opt/rustwide/workdir/09/result)
[INFO] [stderr]    Compiling type-alias v0.1.0 (/opt/rustwide/workdir/19/type-alias)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.42s
[INFO] running `Command { std: "docker" "inspect" "40109798c409597d8acdccf2cd11b260b893017adc06c29c23992e05a8c6f78b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40109798c409597d8acdccf2cd11b260b893017adc06c29c23992e05a8c6f78b", kill_on_drop: false }`
[INFO] [stdout] 40109798c409597d8acdccf2cd11b260b893017adc06c29c23992e05a8c6f78b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 974494a19a1b3a4f9b775a6cf92ebbfac7952a6bc6d88741f82e58e13a68fa31
[INFO] running `Command { std: "docker" "start" "-a" "974494a19a1b3a4f9b775a6cf92ebbfac7952a6bc6d88741f82e58e13a68fa31", kill_on_drop: false }`
[INFO] [stderr] warning: creating a shared reference to mutable static is discouraged
[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/nightly/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: `mutable-static-variables` (bin "mutable-static-variables" test) generated 1 warning
[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: `unsafe-traits` (bin "unsafe-traits" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/adder-ec9932fcfc090294)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aggregator-b9eb6afe41f2e8de)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/aggregator-af0c27ad644c45ff)
[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] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/art-89e7c6f01f16a6f4)
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/art-e3d38b6efee9ff71)
[INFO] [stdout] 
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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
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[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/boxes-aaf1dfb054be2216)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/branches-9024e8cd59616fbf)
[INFO] [stdout] 
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/closures-0490b47953066d5d)
[INFO] [stdout] running 0 tests
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[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/controlling_test_runs-effd10d8fa1cf99d)
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/data_types-dc6d2d314234dc5f)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/declarative_macros-35d16d5004fbe7e8)
[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/default_generic_type_parameters-e87e326dde3664dc)
[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/default_generic_type_parameters-7c3c0623b25f8cb1)
[INFO] [stdout] 
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[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/defining_enums-1e96fc82abdbc78a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/defining_structs-c7597798112b96a8)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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/main.rs (/opt/rustwide/target/debug/deps/deref-0208c8ca2f7d6f2a)
[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-04e1d141a4e890b1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/example_using_structs-61543a0525d15aa1)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/for_patterns-2e18b8a998e95a0e)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fully_qualified_syntax-3cc8fc46879ef1f7)
[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/main.rs (/opt/rustwide/target/debug/deps/function_parameter_patterns-7b8f2396e161156f)
[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_pointers-f9539694d88e03b5)
[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/functions-76c043bef3b4823a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/generic_data_types-dcba96834c1cbf92)
[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/generic_data_types_in_structs-79306f20e118ef49)
[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
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[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gui-5c8697e23af80a9f)
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/gui-fa74167edaffded1)
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[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/lib.rs (/opt/rustwide/target/debug/deps/hello-f97dd7397e808d54)
[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
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello-bd99f50652735c62)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_cargo-f3848b1448737f87)
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world-4ef148ac2e4a998f)
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[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/if_let-8bfaca7a2dfee173)
[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
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/if_let_patterns-1cefaf9bce243b8a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/iterators-b4eafe5c9aa1f822)
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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] 
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[INFO] [stdout] test tests::filters_by_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lifetimes-d2023b37c27115fc)
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[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minigrep-7878248cc2e087a5)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep-d6e62ecd62065938)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mutable_static_variables-a98c8ad0637c6041)
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[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/my_crate-a6631ccbddfd1cc8)
[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/newtype-c2abd7110a9a6971)
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[INFO] [stdout] 
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[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ownership-80920b09ff2646b1)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ownership_recap-b0b5cf0ec65c06fe)
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[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pattern_syntax-fb3e67c08bce740c)
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[INFO] [stdout] 
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[INFO] [stdout] 
[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] thread 'tests::it_sends_an_over_75_percent_warning_message' panicked at 15/refcell/src/lib.rs:60:53:
[INFO] [stdout] already borrowed: BorrowMutError
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5c5dd6c9198a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5c5dd6c9198a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5c5dd6c9198a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5c5dd6c9198a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5c5dd6cb7413 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5c5dd6cb7413 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x5c5dd6c8eb23 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x5c5dd6c917d2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5c5dd6c92e0d - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5c5dd6c92c17 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5c5dd6c5c547 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x5c5dd6c5c547 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x5c5dd6c934b8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x5c5dd6c934b8 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5c5dd6c9327a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5c5dd6c91e69 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5c5dd6c92f0c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5c5dd6c20af0 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x5c5dd6c209e3 - core::cell::panic_already_borrowed::h9df9b2fab43cbc88
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/cell.rs:798:5
[INFO] [stdout]   19:     0x5c5dd6c21b0c - core::cell::RefCell<T>::borrow_mut::head3c2ec167205a3
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/cell.rs:1090:25
[INFO] [stdout]   20:     0x5c5dd6c229c5 - <refcell::tests::MockMessenger as refcell::Messenger>::send::h0afcc92fe9784860
[INFO] [stdout]                                at /opt/rustwide/workdir/15/refcell/src/lib.rs:60:34
[INFO] [stdout]   21:     0x5c5dd6c2290e - refcell::LimitTracker<T>::set_value::h30858ff7c7d42637
[INFO] [stdout]                                at /opt/rustwide/workdir/15/refcell/src/lib.rs:34:13
[INFO] [stdout]   22:     0x5c5dd6c22b70 - refcell::tests::it_sends_an_over_75_percent_warning_message::h057e146cd1541770
[INFO] [stdout]                                at /opt/rustwide/workdir/15/refcell/src/lib.rs:72:9
[INFO] [stdout]   23:     0x5c5dd6c22af7 - refcell::tests::it_sends_an_over_75_percent_warning_message::{{closure}}::h2f87f722a05ac874
[INFO] [stdout]                                at /opt/rustwide/workdir/15/refcell/src/lib.rs:68:53
[INFO] [stdout]   24:     0x5c5dd6c21836 - core::ops::function::FnOnce::call_once::hfdb7cc08ec278988
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5c5dd6c6106b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5c5dd6c6106b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   27:     0x5c5dd6c60a58 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   28:     0x5c5dd6c60a58 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   29:     0x5c5dd6c60a58 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   30:     0x5c5dd6c60a58 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   31:     0x5c5dd6c60a58 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   32:     0x5c5dd6c60a58 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   33:     0x5c5dd6c60a58 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   34:     0x5c5dd6c244fa - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   35:     0x5c5dd6c244fa - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   36:     0x5c5dd6c27e74 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   37:     0x5c5dd6c27e74 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   38:     0x5c5dd6c27e74 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   39:     0x5c5dd6c27e74 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   40:     0x5c5dd6c27e74 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   41:     0x5c5dd6c27e74 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   42:     0x5c5dd6c27e74 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5c5dd6c973fb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   44:     0x5c5dd6c973fb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   45:     0x5c5dd6c973fb - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   46:     0x7a4f631bdac3 - <unknown>
[INFO] [stdout]   47:     0x7a4f6324ea04 - clone
[INFO] [stdout]   48:                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 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p refcell --lib`
[INFO] running `Command { std: "docker" "inspect" "974494a19a1b3a4f9b775a6cf92ebbfac7952a6bc6d88741f82e58e13a68fa31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974494a19a1b3a4f9b775a6cf92ebbfac7952a6bc6d88741f82e58e13a68fa31", kill_on_drop: false }`
[INFO] [stdout] 974494a19a1b3a4f9b775a6cf92ebbfac7952a6bc6d88741f82e58e13a68fa31
