[INFO] fetching crate accountable-refcell 0.2.2...
[INFO] testing accountable-refcell-0.2.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate accountable-refcell 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate accountable-refcell 0.2.2
[INFO] finished tweaking crates.io crate accountable-refcell 0.2.2
[INFO] tweaked toml for crates.io crate accountable-refcell 0.2.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate accountable-refcell 0.2.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate accountable-refcell 0.2.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d24d4795ce7b11c9fee41b40de5d0a547c1af5f53fb2245d54e0bb28400ca65
[INFO] running `Command { std: "docker" "start" "-a" "5d24d4795ce7b11c9fee41b40de5d0a547c1af5f53fb2245d54e0bb28400ca65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d24d4795ce7b11c9fee41b40de5d0a547c1af5f53fb2245d54e0bb28400ca65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d24d4795ce7b11c9fee41b40de5d0a547c1af5f53fb2245d54e0bb28400ca65", kill_on_drop: false }`
[INFO] [stdout] 5d24d4795ce7b11c9fee41b40de5d0a547c1af5f53fb2245d54e0bb28400ca65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37eecd807cf1f6061bd70c0c0fadface11c5d38f499c0a66fd04074604f83380
[INFO] running `Command { std: "docker" "start" "-a" "37eecd807cf1f6061bd70c0c0fadface11c5d38f499c0a66fd04074604f83380", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling backtrace v0.3.75
[INFO] [stderr]    Compiling accountable-refcell v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:213:23
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn try_borrow(&self) -> Result<Ref<T>, BorrowError> {
[INFO] [stdout]     |                       ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn try_borrow(&self) -> Result<Ref<'_, T>, BorrowError> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:228:23
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn borrow_mut(&self) -> RefMut<T> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn borrow_mut(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.64s
[INFO] running `Command { std: "docker" "inspect" "37eecd807cf1f6061bd70c0c0fadface11c5d38f499c0a66fd04074604f83380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37eecd807cf1f6061bd70c0c0fadface11c5d38f499c0a66fd04074604f83380", kill_on_drop: false }`
[INFO] [stdout] 37eecd807cf1f6061bd70c0c0fadface11c5d38f499c0a66fd04074604f83380
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22a29b4543bc88562f5aa488edd52a5ed344c9d3d21f9d2405da6522274a346a
[INFO] running `Command { std: "docker" "start" "-a" "22a29b4543bc88562f5aa488edd52a5ed344c9d3d21f9d2405da6522274a346a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:213:23
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn try_borrow(&self) -> Result<Ref<T>, BorrowError> {
[INFO] [stdout]     |                       ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn try_borrow(&self) -> Result<Ref<'_, T>, BorrowError> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling accountable-refcell v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:228:23
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn borrow_mut(&self) -> RefMut<T> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn borrow_mut(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:213:23
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn try_borrow(&self) -> Result<Ref<T>, BorrowError> {
[INFO] [stdout]     |                       ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn try_borrow(&self) -> Result<Ref<'_, T>, BorrowError> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:228:23
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn borrow_mut(&self) -> RefMut<T> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn borrow_mut(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:389:34
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn borrow_immutably<T>(cell: &RefCell<T>) -> Ref<T> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn borrow_immutably<T>(cell: &RefCell<T>) -> Ref<'_, T> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "22a29b4543bc88562f5aa488edd52a5ed344c9d3d21f9d2405da6522274a346a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a29b4543bc88562f5aa488edd52a5ed344c9d3d21f9d2405da6522274a346a", kill_on_drop: false }`
[INFO] [stdout] 22a29b4543bc88562f5aa488edd52a5ed344c9d3d21f9d2405da6522274a346a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d783b82cf649370b85bbfc0fca26fa01cc5aaf2762eee55af4244bcb2feeadb6
[INFO] running `Command { std: "docker" "start" "-a" "d783b82cf649370b85bbfc0fca26fa01cc5aaf2762eee55af4244bcb2feeadb6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:213:23
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn try_borrow(&self) -> Result<Ref<T>, BorrowError> {
[INFO] [stderr]     |                       ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn try_borrow(&self) -> Result<Ref<'_, T>, BorrowError> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:228:23
[INFO] [stderr]     |
[INFO] [stderr] 228 |     pub fn borrow_mut(&self) -> RefMut<T> {
[INFO] [stderr]     |                       ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 228 |     pub fn borrow_mut(&self) -> RefMut<'_, T> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `accountable-refcell` (lib) generated 2 warnings (run `cargo fix --lib -p accountable-refcell` to apply 2 suggestions)
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:389:34
[INFO] [stderr]     |
[INFO] [stderr] 389 |     fn borrow_immutably<T>(cell: &RefCell<T>) -> Ref<T> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                  |
[INFO] [stderr]     |                                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 389 |     fn borrow_immutably<T>(cell: &RefCell<T>) -> Ref<'_, T> {
[INFO] [stderr]     |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: `accountable-refcell` (lib test) generated 3 warnings (2 duplicates) (run `cargo fix --lib -p accountable-refcell --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/accountable_refcell-2be594551ac90061)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::cannot_replace_with_mut_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_replace_with_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_borrow_immutably - should panic ... ok
[INFO] [stdout] test tests::cannot_replace_mut_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_replace_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::cannot_double_borrow_mut - should panic ... ok
[INFO] [stdout] test tests::cannot_borrow_mutably_multi_borrow - should panic ... ok
[INFO] [stdout] test tests::cannot_borrow_mutably - should panic ... ok
[INFO] [stdout] test tests::replace_with_refcell_properly_replaces_contents ... ok
[INFO] [stdout] test tests::cannot_take_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::clone_records_borrow - should panic ... ok
[INFO] [stdout] test tests::cannot_take_mut_borrowed_refcell - should panic ... ok
[INFO] [stdout] test tests::take_refcell_returns_correct_value ... ok
[INFO] [stdout] test tests::replace_refcell_properly_replaces_contents ... ok
[INFO] [stderr]    Doc-tests accountable_refcell
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d783b82cf649370b85bbfc0fca26fa01cc5aaf2762eee55af4244bcb2feeadb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d783b82cf649370b85bbfc0fca26fa01cc5aaf2762eee55af4244bcb2feeadb6", kill_on_drop: false }`
[INFO] [stdout] d783b82cf649370b85bbfc0fca26fa01cc5aaf2762eee55af4244bcb2feeadb6
