[INFO] fetching crate rccell 0.1.3... [INFO] testing rccell-0.1.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate rccell 0.1.3 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate rccell 0.1.3 [INFO] finished tweaking crates.io crate rccell 0.1.3 [INFO] tweaked toml for crates.io crate rccell 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rccell 0.1.3 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f421a17222f9295b70b1147c8f584aebf97a7fb671207150848436958147d092 [INFO] running `Command { std: "docker" "start" "-a" "f421a17222f9295b70b1147c8f584aebf97a7fb671207150848436958147d092", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f421a17222f9295b70b1147c8f584aebf97a7fb671207150848436958147d092", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f421a17222f9295b70b1147c8f584aebf97a7fb671207150848436958147d092", kill_on_drop: false }` [INFO] [stdout] f421a17222f9295b70b1147c8f584aebf97a7fb671207150848436958147d092 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 2b50506369454c983858b4f1528a8ad7a267a0df17da17513ffad1cbcbd9a091 [INFO] running `Command { std: "docker" "start" "-a" "2b50506369454c983858b4f1528a8ad7a267a0df17da17513ffad1cbcbd9a091", kill_on_drop: false }` [INFO] [stderr] Compiling rccell v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:166:23 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn try_borrow(&self) -> Result, BorrowError> { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 166 | pub fn try_borrow(&self) -> Result, BorrowError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:182:27 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn try_borrow_mut(&self) -> Result, BorrowMutError> { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 182 | pub fn try_borrow_mut(&self) -> Result, BorrowMutError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:196:19 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn borrow(&self) -> Ref { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 196 | pub fn borrow(&self) -> Ref<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:210:23 [INFO] [stdout] | [INFO] [stdout] 210 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 210 | pub fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] running `Command { std: "docker" "inspect" "2b50506369454c983858b4f1528a8ad7a267a0df17da17513ffad1cbcbd9a091", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b50506369454c983858b4f1528a8ad7a267a0df17da17513ffad1cbcbd9a091", kill_on_drop: false }` [INFO] [stdout] 2b50506369454c983858b4f1528a8ad7a267a0df17da17513ffad1cbcbd9a091 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 06523771c5a5681a675766c1838c38bcbc1825a6b115e1530a7794a4879bb406 [INFO] running `Command { std: "docker" "start" "-a" "06523771c5a5681a675766c1838c38bcbc1825a6b115e1530a7794a4879bb406", kill_on_drop: false }` [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:166:23 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn try_borrow(&self) -> Result, BorrowError> { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 166 | pub fn try_borrow(&self) -> Result, BorrowError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:182:27 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn try_borrow_mut(&self) -> Result, BorrowMutError> { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 182 | pub fn try_borrow_mut(&self) -> Result, BorrowMutError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:196:19 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn borrow(&self) -> Ref { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 196 | pub fn borrow(&self) -> Ref<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:210:23 [INFO] [stdout] | [INFO] [stdout] 210 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 210 | pub fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rccell v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:166:23 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn try_borrow(&self) -> Result, BorrowError> { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 166 | pub fn try_borrow(&self) -> Result, BorrowError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:182:27 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn try_borrow_mut(&self) -> Result, BorrowMutError> { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 182 | pub fn try_borrow_mut(&self) -> Result, BorrowMutError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:196:19 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn borrow(&self) -> Ref { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 196 | pub fn borrow(&self) -> Ref<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/lib.rs:210:23 [INFO] [stdout] | [INFO] [stdout] 210 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 210 | pub fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s [INFO] running `Command { std: "docker" "inspect" "06523771c5a5681a675766c1838c38bcbc1825a6b115e1530a7794a4879bb406", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06523771c5a5681a675766c1838c38bcbc1825a6b115e1530a7794a4879bb406", kill_on_drop: false }` [INFO] [stdout] 06523771c5a5681a675766c1838c38bcbc1825a6b115e1530a7794a4879bb406 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] cdbd15533fbfdcc2f587447d3145060bbb480a8d1c88d4d96e832f0746f514c1 [INFO] running `Command { std: "docker" "start" "-a" "cdbd15533fbfdcc2f587447d3145060bbb480a8d1c88d4d96e832f0746f514c1", kill_on_drop: false }` [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/lib.rs:166:23 [INFO] [stderr] | [INFO] [stderr] 166 | pub fn try_borrow(&self) -> Result, BorrowError> { [INFO] [stderr] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 166 | pub fn try_borrow(&self) -> Result, BorrowError> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/lib.rs:182:27 [INFO] [stderr] | [INFO] [stderr] 182 | pub fn try_borrow_mut(&self) -> Result, BorrowMutError> { [INFO] [stderr] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 182 | pub fn try_borrow_mut(&self) -> Result, BorrowMutError> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/lib.rs:196:19 [INFO] [stderr] | [INFO] [stderr] 196 | pub fn borrow(&self) -> Ref { [INFO] [stderr] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 196 | pub fn borrow(&self) -> Ref<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/lib.rs:210:23 [INFO] [stderr] | [INFO] [stderr] 210 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stderr] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 210 | pub fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `rccell` (lib) generated 4 warnings (run `cargo fix --lib -p rccell` to apply 4 suggestions) [INFO] [stderr] warning: `rccell` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rccell-65ca8f4881bc42cd) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test tests::test_borrow ... ok [INFO] [stdout] test tests::test_hashmap ... ok [INFO] [stdout] test tests::test_try_borrows ... ok [INFO] [stdout] test tests::test_try_unwrap ... ok [INFO] [stdout] test tests::test_unwrap_ok ... ok [INFO] [stdout] test tests::test_borrow_mut_panic - should panic ... FAILED [INFO] [stdout] test tests::test_mut_borrow_mut_panic - should panic ... FAILED [INFO] [stdout] test tests::test_mut_borrow_panic - should panic ... FAILED [INFO] [stdout] test tests::test_unwrap_panic - should panic ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::test_borrow_mut_panic stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'tests::test_borrow_mut_panic' panicked at src/lib.rs:211:16: [INFO] [stdout] RefCell already borrowed [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7a936321db62 - std::backtrace_rs::backtrace::libunwind::trace::h559918daaaf51ab7 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x7a936321db62 - std::backtrace_rs::backtrace::trace_unsynchronized::hb04fbcf80d07af8b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x7a936321db62 - std::sys::backtrace::_print_fmt::h7c0bbbbfac0065d4 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x7a936321db62 - ::fmt::hb62c8ed31943daa5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x7a9363257ca3 - core::fmt::rt::Argument::fmt::he5eaa7dd607ed4c9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x7a9363257ca3 - core::fmt::write::h375399f8cb90b45a [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25 [INFO] [stdout] 6: 0x7a936321ae93 - std::io::default_write_fmt::hdc1b4dd565dd0099 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x7a936321ae93 - std::io::Write::write_fmt::h29f6044e9bc43c23 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x7a936321d9b2 - std::sys::backtrace::BacktraceLock::print::ha189c586374f916a [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x7a936321f12c - std::panicking::default_hook::{{closure}}::ha3a26c98ff210e12 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x7a936321ef82 - std::panicking::default_hook::h8c8a86b4390ab794 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x7a93631ec004 - as core::ops::function::Fn>::call::ha39ae63ed1e9a130 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x7a93631ec004 - test::test_main_with_exit_callback::{{closure}}::h9df7c328ebe18c28 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x7a936321fab3 - as core::ops::function::Fn>::call::h96b7201b552e9069 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x7a936321fab3 - std::panicking::rust_panic_with_hook::hb3b66c2e80efa371 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x7a936321f87a - std::panicking::begin_panic_handler::{{closure}}::h9c68d0f839e62070 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x7a936321e059 - std::sys::backtrace::__rust_end_short_backtrace::h68d22ddde4a73ad6 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x7a936321f50d - __rustc[f4ffc7196a45a630]::rust_begin_unwind [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x7a93631a5e40 - core::panicking::panic_fmt::h8cdd4c81eb9069aa [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x7a93631a5d33 - core::cell::panic_already_borrowed::h6ddf4b7a60108a7b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/cell.rs:785:5 [INFO] [stdout] 20: 0x7a93631b2222 - core::cell::RefCell::borrow_mut::h1a97133405d84dd5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/cell.rs:1077:25 [INFO] [stdout] 21: 0x7a93631ad181 - rccell::RcCell::borrow_mut::ha4336a073b2b1776 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:211:16 [INFO] [stdout] 22: 0x7a93631aef61 - rccell::tests::test_borrow_mut_panic::h65c98e301ba2c50a [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:398:11 [INFO] [stdout] 23: 0x7a93631aeec7 - rccell::tests::test_borrow_mut_panic::{{closure}}::hba7893d6b49c50e7 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:395:31 [INFO] [stdout] 24: 0x7a93631b0ad6 - core::ops::function::FnOnce::call_once::h676214334e41e99d [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x7a93631f16fb - core::ops::function::FnOnce::call_once::h9633dcf760ae81b2 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 26: 0x7a93631f16fb - test::__rust_begin_short_backtrace::h12ad5e04c8d7b4a5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:648:18 [INFO] [stdout] 27: 0x7a93631f096e - test::run_test_in_process::{{closure}}::he596b4fd3fa4893c [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:74 [INFO] [stdout] 28: 0x7a93631f096e - as core::ops::function::FnOnce<()>>::call_once::hc746bc3fa75190e0 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 29: 0x7a93631f096e - std::panicking::catch_unwind::do_call::hf4843906108d6299 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stdout] 30: 0x7a93631f096e - std::panicking::catch_unwind::h849d4e8b03577bb9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stdout] 31: 0x7a93631f096e - std::panic::catch_unwind::ha1f814c1dec025d2 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x7a93631f096e - test::run_test_in_process::h542aad3fe61255e7 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:27 [INFO] [stdout] 33: 0x7a93631f096e - test::run_test::{{closure}}::h612788d75908cb63 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:592:43 [INFO] [stdout] 34: 0x7a93631b57f4 - test::run_test::{{closure}}::hbfeea3bcb7245123 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:622:41 [INFO] [stdout] 35: 0x7a93631b57f4 - std::sys::backtrace::__rust_begin_short_backtrace::h72542b83b4f87d5b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 36: 0x7a93631b8fea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff26a7547ea762c9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 37: 0x7a93631b8fea - as core::ops::function::FnOnce<()>>::call_once::hbee49bc759312884 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 38: 0x7a93631b8fea - std::panicking::catch_unwind::do_call::h61de12ce5e04e28f [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stdout] 39: 0x7a93631b8fea - std::panicking::catch_unwind::h454dd49873d22e18 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stdout] 40: 0x7a93631b8fea - std::panic::catch_unwind::h5c15187324f8cebb [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stdout] 41: 0x7a93631b8fea - std::thread::Builder::spawn_unchecked_::{{closure}}::hbc9d9c7427673d42 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 42: 0x7a93631b8fea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hefd458a129ddca13 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 43: 0x7a9363222507 - as core::ops::function::FnOnce>::call_once::h2d6e2e526b02c3da [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x7a9363222507 - as core::ops::function::FnOnce>::call_once::h1aefced482b33c72 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 45: 0x7a9363222507 - std::sys::pal::unix::thread::Thread::new::thread_start::h7c9c6951b48f721d [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/pal/unix/thread.rs:97:17 [INFO] [stdout] note: panic did not contain expected string [INFO] [stdout] panic message: "RefCell already borrowed" [INFO] [stdout] expected substring: "already borrowed: BorrowMutError" [INFO] [stdout] ---- tests::test_mut_borrow_mut_panic stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'tests::test_mut_borrow_mut_panic' panicked at src/lib.rs:197:16: [INFO] [stdout] RefCell already mutably borrowed [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7a936321db62 - std::backtrace_rs::backtrace::libunwind::trace::h559918daaaf51ab7 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x7a936321db62 - std::backtrace_rs::backtrace::trace_unsynchronized::hb04fbcf80d07af8b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x7a936321db62 - std::sys::backtrace::_print_fmt::h7c0bbbbfac0065d4 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x7a936321db62 - ::fmt::hb62c8ed31943daa5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x7a9363257ca3 - core::fmt::rt::Argument::fmt::he5eaa7dd607ed4c9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x7a9363257ca3 - core::fmt::write::h375399f8cb90b45a [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25 [INFO] [stdout] 6: 0x7a936321ae93 - std::io::default_write_fmt::hdc1b4dd565dd0099 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x7a936321ae93 - std::io::Write::write_fmt::h29f6044e9bc43c23 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x7a936321d9b2 - std::sys::backtrace::BacktraceLock::print::ha189c586374f916a [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x7a936321f12c - std::panicking::default_hook::{{closure}}::ha3a26c98ff210e12 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x7a936321ef82 - std::panicking::default_hook::h8c8a86b4390ab794 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x7a93631ec004 - as core::ops::function::Fn>::call::ha39ae63ed1e9a130 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x7a93631ec004 - test::test_main_with_exit_callback::{{closure}}::h9df7c328ebe18c28 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x7a936321fab3 - as core::ops::function::Fn>::call::h96b7201b552e9069 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x7a936321fab3 - std::panicking::rust_panic_with_hook::hb3b66c2e80efa371 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x7a936321f87a - std::panicking::begin_panic_handler::{{closure}}::h9c68d0f839e62070 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x7a936321e059 - std::sys::backtrace::__rust_end_short_backtrace::h68d22ddde4a73ad6 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x7a936321f50d - __rustc[f4ffc7196a45a630]::rust_begin_unwind [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x7a93631a5e40 - core::panicking::panic_fmt::h8cdd4c81eb9069aa [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x7a93631a5d93 - core::cell::panic_already_mutably_borrowed::hdfced809c37c358e [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/cell.rs:793:5 [INFO] [stdout] 20: 0x7a93631b2492 - core::cell::RefCell::borrow::h65009773559336b4 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/cell.rs:981:25 [INFO] [stdout] 21: 0x7a93631ad151 - rccell::RcCell::borrow::h8af5e98c9de575d9 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:197:16 [INFO] [stdout] 22: 0x7a93631af1c1 - rccell::tests::test_mut_borrow_mut_panic::h7570cf39ed0859c7 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:414:11 [INFO] [stdout] 23: 0x7a93631af127 - rccell::tests::test_mut_borrow_mut_panic::{{closure}}::h29f7753a813898f9 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:411:35 [INFO] [stdout] 24: 0x7a93631b0cc6 - core::ops::function::FnOnce::call_once::hae3cf7d4fede8754 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x7a93631f16fb - core::ops::function::FnOnce::call_once::h9633dcf760ae81b2 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 26: 0x7a93631f16fb - test::__rust_begin_short_backtrace::h12ad5e04c8d7b4a5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:648:18 [INFO] [stdout] 27: 0x7a93631f096e - test::run_test_in_process::{{closure}}::he596b4fd3fa4893c [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:74 [INFO] [stdout] 28: 0x7a93631f096e - as core::ops::function::FnOnce<()>>::call_once::hc746bc3fa75190e0 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 29: 0x7a93631f096e - std::panicking::catch_unwind::do_call::hf4843906108d6299 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stdout] 30: 0x7a93631f096e - std::panicking::catch_unwind::h849d4e8b03577bb9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stdout] 31: 0x7a93631f096e - std::panic::catch_unwind::ha1f814c1dec025d2 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x7a93631f096e - test::run_test_in_process::h542aad3fe61255e7 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:27 [INFO] [stdout] 33: 0x7a93631f096e - test::run_test::{{closure}}::h612788d75908cb63 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:592:43 [INFO] [stdout] 34: 0x7a93631b57f4 - test::run_test::{{closure}}::hbfeea3bcb7245123 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:622:41 [INFO] [stdout] 35: 0x7a93631b57f4 - std::sys::backtrace::__rust_begin_short_backtrace::h72542b83b4f87d5b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 36: 0x7a93631b8fea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff26a7547ea762c9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 37: 0x7a93631b8fea - as core::ops::function::FnOnce<()>>::call_once::hbee49bc759312884 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 38: 0x7a93631b8fea - std::panicking::catch_unwind::do_call::h61de12ce5e04e28f [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stdout] 39: 0x7a93631b8fea - std::panicking::catch_unwind::h454dd49873d22e18 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stdout] 40: 0x7a93631b8fea - std::panic::catch_unwind::h5c15187324f8cebb [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stdout] 41: 0x7a93631b8fea - std::thread::Builder::spawn_unchecked_::{{closure}}::hbc9d9c7427673d42 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 42: 0x7a93631b8fea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hefd458a129ddca13 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 43: 0x7a9363222507 - as core::ops::function::FnOnce>::call_once::h2d6e2e526b02c3da [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x7a9363222507 - as core::ops::function::FnOnce>::call_once::h1aefced482b33c72 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 45: 0x7a9363222507 - std::sys::pal::unix::thread::Thread::new::thread_start::h7c9c6951b48f721d [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/pal/unix/thread.rs:97:17 [INFO] [stdout] note: panic did not contain expected string [INFO] [stdout] panic message: "RefCell already mutably borrowed" [INFO] [stdout] expected substring: "already mutably borrowed: BorrowError" [INFO] [stdout] ---- tests::test_mut_borrow_panic stdout ---- [INFO] [stdout] [INFO] [stdout] thread 'tests::test_mut_borrow_panic' panicked at src/lib.rs:211:16: [INFO] [stdout] RefCell already borrowed [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7a936321db62 - std::backtrace_rs::backtrace::libunwind::trace::h559918daaaf51ab7 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x7a936321db62 - std::backtrace_rs::backtrace::trace_unsynchronized::hb04fbcf80d07af8b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x7a936321db62 - std::sys::backtrace::_print_fmt::h7c0bbbbfac0065d4 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x7a936321db62 - ::fmt::hb62c8ed31943daa5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x7a9363257ca3 - core::fmt::rt::Argument::fmt::he5eaa7dd607ed4c9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x7a9363257ca3 - core::fmt::write::h375399f8cb90b45a [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/fmt/mod.rs:1460:25 [INFO] [stdout] 6: 0x7a936321ae93 - std::io::default_write_fmt::hdc1b4dd565dd0099 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x7a936321ae93 - std::io::Write::write_fmt::h29f6044e9bc43c23 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x7a936321d9b2 - std::sys::backtrace::BacktraceLock::print::ha189c586374f916a [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x7a936321f12c - std::panicking::default_hook::{{closure}}::ha3a26c98ff210e12 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:300:27 [INFO] [stdout] 10: 0x7a936321ef82 - std::panicking::default_hook::h8c8a86b4390ab794 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:324:9 [INFO] [stdout] 11: 0x7a93631ec004 - as core::ops::function::Fn>::call::ha39ae63ed1e9a130 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 12: 0x7a93631ec004 - test::test_main_with_exit_callback::{{closure}}::h9df7c328ebe18c28 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x7a936321fab3 - as core::ops::function::Fn>::call::h96b7201b552e9069 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1980:9 [INFO] [stdout] 14: 0x7a936321fab3 - std::panicking::rust_panic_with_hook::hb3b66c2e80efa371 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:841:13 [INFO] [stdout] 15: 0x7a936321f87a - std::panicking::begin_panic_handler::{{closure}}::h9c68d0f839e62070 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:706:13 [INFO] [stdout] 16: 0x7a936321e059 - std::sys::backtrace::__rust_end_short_backtrace::h68d22ddde4a73ad6 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:168:18 [INFO] [stdout] 17: 0x7a936321f50d - __rustc[f4ffc7196a45a630]::rust_begin_unwind [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:697:5 [INFO] [stdout] 18: 0x7a93631a5e40 - core::panicking::panic_fmt::h8cdd4c81eb9069aa [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panicking.rs:75:14 [INFO] [stdout] 19: 0x7a93631a5d33 - core::cell::panic_already_borrowed::h6ddf4b7a60108a7b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/cell.rs:785:5 [INFO] [stdout] 20: 0x7a93631b2222 - core::cell::RefCell::borrow_mut::h1a97133405d84dd5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/cell.rs:1077:25 [INFO] [stdout] 21: 0x7a93631ad181 - rccell::RcCell::borrow_mut::ha4336a073b2b1776 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:211:16 [INFO] [stdout] 22: 0x7a93631af091 - rccell::tests::test_mut_borrow_panic::h92f59fd1023a575d [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:406:11 [INFO] [stdout] 23: 0x7a93631aeff7 - rccell::tests::test_mut_borrow_panic::{{closure}}::h9e7aa8cd2b28b2f1 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:403:31 [INFO] [stdout] 24: 0x7a93631b0a96 - core::ops::function::FnOnce::call_once::h40124f1872cce465 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x7a93631f16fb - core::ops::function::FnOnce::call_once::h9633dcf760ae81b2 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 26: 0x7a93631f16fb - test::__rust_begin_short_backtrace::h12ad5e04c8d7b4a5 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:648:18 [INFO] [stdout] 27: 0x7a93631f096e - test::run_test_in_process::{{closure}}::he596b4fd3fa4893c [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:74 [INFO] [stdout] 28: 0x7a93631f096e - as core::ops::function::FnOnce<()>>::call_once::hc746bc3fa75190e0 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 29: 0x7a93631f096e - std::panicking::catch_unwind::do_call::hf4843906108d6299 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stdout] 30: 0x7a93631f096e - std::panicking::catch_unwind::h849d4e8b03577bb9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stdout] 31: 0x7a93631f096e - std::panic::catch_unwind::ha1f814c1dec025d2 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x7a93631f096e - test::run_test_in_process::h542aad3fe61255e7 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:671:27 [INFO] [stdout] 33: 0x7a93631f096e - test::run_test::{{closure}}::h612788d75908cb63 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:592:43 [INFO] [stdout] 34: 0x7a93631b57f4 - test::run_test::{{closure}}::hbfeea3bcb7245123 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/test/src/lib.rs:622:41 [INFO] [stdout] 35: 0x7a93631b57f4 - std::sys::backtrace::__rust_begin_short_backtrace::h72542b83b4f87d5b [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/backtrace.rs:152:18 [INFO] [stdout] 36: 0x7a93631b8fea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hff26a7547ea762c9 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:559:17 [INFO] [stdout] 37: 0x7a93631b8fea - as core::ops::function::FnOnce<()>>::call_once::hbee49bc759312884 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 38: 0x7a93631b8fea - std::panicking::catch_unwind::do_call::h61de12ce5e04e28f [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:589:40 [INFO] [stdout] 39: 0x7a93631b8fea - std::panicking::catch_unwind::h454dd49873d22e18 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panicking.rs:552:19 [INFO] [stdout] 40: 0x7a93631b8fea - std::panic::catch_unwind::h5c15187324f8cebb [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/panic.rs:359:14 [INFO] [stdout] 41: 0x7a93631b8fea - std::thread::Builder::spawn_unchecked_::{{closure}}::hbc9d9c7427673d42 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/thread/mod.rs:557:30 [INFO] [stdout] 42: 0x7a93631b8fea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hefd458a129ddca13 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 43: 0x7a9363222507 - as core::ops::function::FnOnce>::call_once::h2d6e2e526b02c3da [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 44: 0x7a9363222507 - as core::ops::function::FnOnce>::call_once::h1aefced482b33c72 [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/alloc/src/boxed.rs:1966:9 [INFO] [stdout] 45: 0x7a9363222507 - std::sys::pal::unix::thread::Thread::new::thread_start::h7c9c6951b48f721d [INFO] [stdout] at /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/std/src/sys/pal/unix/thread.rs:97:17 [INFO] [stdout] note: panic did not contain expected string [INFO] [stdout] panic message: "RefCell already borrowed" [INFO] [stdout] expected substring: "already borrowed: BorrowMutError" [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::test_borrow_mut_panic [INFO] [stdout] tests::test_mut_borrow_mut_panic [INFO] [stdout] tests::test_mut_borrow_panic [INFO] [stdout] [INFO] [stdout] test result: FAILED. 6 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "cdbd15533fbfdcc2f587447d3145060bbb480a8d1c88d4d96e832f0746f514c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdbd15533fbfdcc2f587447d3145060bbb480a8d1c88d4d96e832f0746f514c1", kill_on_drop: false }` [INFO] [stdout] cdbd15533fbfdcc2f587447d3145060bbb480a8d1c88d4d96e832f0746f514c1