[INFO] fetching crate stacked_errors 0.7.1...
[INFO] testing stacked_errors-0.7.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate stacked_errors 0.7.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate stacked_errors 0.7.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate stacked_errors 0.7.1
[INFO] tweaked toml for crates.io crate stacked_errors 0.7.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stacked_errors 0.7.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stacked_errors 0.7.1 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dbef3010c125f840bb610c20f2fa2d8059774f0cd6d6d4c359dd6b5929a6ef6
[INFO] running `Command { std: "docker" "start" "-a" "9dbef3010c125f840bb610c20f2fa2d8059774f0cd6d6d4c359dd6b5929a6ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dbef3010c125f840bb610c20f2fa2d8059774f0cd6d6d4c359dd6b5929a6ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbef3010c125f840bb610c20f2fa2d8059774f0cd6d6d4c359dd6b5929a6ef6", kill_on_drop: false }`
[INFO] [stdout] 9dbef3010c125f840bb610c20f2fa2d8059774f0cd6d6d4c359dd6b5929a6ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df4aaa53ee5c954c1e24d2bbafdca3c5be6733c8e46d229d844a45527cf1b819
[INFO] running `Command { std: "docker" "start" "-a" "df4aaa53ee5c954c1e24d2bbafdca3c5be6733c8e46d229d844a45527cf1b819", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling owo-colors v4.2.0
[INFO] [stderr]    Compiling smallbox v0.8.6
[INFO] [stderr]    Compiling thin-vec v0.2.14
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling stacked_errors v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/error.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn iter(&self) -> Iter<ErrorItem> {
[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] 262 |     pub fn iter(&self) -> Iter<'_, ErrorItem> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/error.rs:267:21
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn iter_mut(&mut self) -> IterMut<ErrorItem> {
[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] 267 |     pub fn iter_mut(&mut self) -> IterMut<'_, ErrorItem> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "df4aaa53ee5c954c1e24d2bbafdca3c5be6733c8e46d229d844a45527cf1b819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df4aaa53ee5c954c1e24d2bbafdca3c5be6733c8e46d229d844a45527cf1b819", kill_on_drop: false }`
[INFO] [stdout] df4aaa53ee5c954c1e24d2bbafdca3c5be6733c8e46d229d844a45527cf1b819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a9cdb6b1ddc41ff87ebaff482f33cf2dc6615224a73f6592162a6cb87248568
[INFO] running `Command { std: "docker" "start" "-a" "0a9cdb6b1ddc41ff87ebaff482f33cf2dc6615224a73f6592162a6cb87248568", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling stacked_errors v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/error.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn iter(&self) -> Iter<ErrorItem> {
[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] 262 |     pub fn iter(&self) -> Iter<'_, ErrorItem> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/error.rs:267:21
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn iter_mut(&mut self) -> IterMut<ErrorItem> {
[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] 267 |     pub fn iter_mut(&mut self) -> IterMut<'_, ErrorItem> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ron v0.9.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/error.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn iter(&self) -> Iter<ErrorItem> {
[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] 262 |     pub fn iter(&self) -> Iter<'_, ErrorItem> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/error.rs:267:21
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn iter_mut(&mut self) -> IterMut<ErrorItem> {
[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] 267 |     pub fn iter_mut(&mut self) -> IterMut<'_, ErrorItem> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.27s
[INFO] running `Command { std: "docker" "inspect" "0a9cdb6b1ddc41ff87ebaff482f33cf2dc6615224a73f6592162a6cb87248568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a9cdb6b1ddc41ff87ebaff482f33cf2dc6615224a73f6592162a6cb87248568", kill_on_drop: false }`
[INFO] [stdout] 0a9cdb6b1ddc41ff87ebaff482f33cf2dc6615224a73f6592162a6cb87248568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4c4e84e27f27b628b6133e7db08f748f20df463dcc1be8e90b3530d3a70a3c5
[INFO] running `Command { std: "docker" "start" "-a" "e4c4e84e27f27b628b6133e7db08f748f20df463dcc1be8e90b3530d3a70a3c5", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/error.rs:262:17
[INFO] [stderr]     |
[INFO] [stderr] 262 |     pub fn iter(&self) -> Iter<ErrorItem> {
[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] 262 |     pub fn iter(&self) -> Iter<'_, ErrorItem> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/error.rs:267:21
[INFO] [stderr]     |
[INFO] [stderr] 267 |     pub fn iter_mut(&mut self) -> IterMut<ErrorItem> {
[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] 267 |     pub fn iter_mut(&mut self) -> IterMut<'_, ErrorItem> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `stacked_errors` (lib) generated 2 warnings (run `cargo fix --lib -p stacked_errors` to apply 2 suggestions)
[INFO] [stderr] warning: `stacked_errors` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stacked_errors-ffc31b3b93af9e62)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test error::error_kind_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/debug.rs (/opt/rustwide/target/debug/deps/debug-4997ecdac9771dec)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test error_debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ensure.rs (/opt/rustwide/target/debug/deps/ensure-021de3b7027c28c5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ensure_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-2a8c4c4cbc03c3af)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_special ... ok
[INFO] [stdout] test debug_and_display ... ok
[INFO] [stdout] test stacking ... ok
[INFO] [stdout] test error_size ... ok
[INFO] [stdout] test test_bail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stacked_errors
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/macros.rs - macros::ensure (line 71) ... ok
[INFO] [stdout] test src/macros.rs - macros::ensure_eq (line 125) ... ok
[INFO] [stdout] test src/macros.rs - macros::ensure_ne (line 192) ... ok
[INFO] [stdout] test src/macros.rs - macros::stacked_get (line 253) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] test src/macros.rs - macros::stacked_get_mut (line 325) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e4c4e84e27f27b628b6133e7db08f748f20df463dcc1be8e90b3530d3a70a3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c4e84e27f27b628b6133e7db08f748f20df463dcc1be8e90b3530d3a70a3c5", kill_on_drop: false }`
[INFO] [stdout] e4c4e84e27f27b628b6133e7db08f748f20df463dcc1be8e90b3530d3a70a3c5
