[INFO] fetching crate stackstack 0.3.0...
[INFO] testing stackstack-0.3.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate stackstack 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate stackstack 0.3.0
[INFO] finished tweaking crates.io crate stackstack 0.3.0
[INFO] tweaked toml for crates.io crate stackstack 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackstack 0.3.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.13.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7c93c5c5af9b1dc846ead0fcf81b53ad1e4abf422402c2644c2953fa193242d
[INFO] running `Command { std: "docker" "start" "-a" "e7c93c5c5af9b1dc846ead0fcf81b53ad1e4abf422402c2644c2953fa193242d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7c93c5c5af9b1dc846ead0fcf81b53ad1e4abf422402c2644c2953fa193242d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c93c5c5af9b1dc846ead0fcf81b53ad1e4abf422402c2644c2953fa193242d", kill_on_drop: false }`
[INFO] [stdout] e7c93c5c5af9b1dc846ead0fcf81b53ad1e4abf422402c2644c2953fa193242d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0e4a596985f80823873508c141cc1101ff098b103321bb14bf2681e4c6c9f20
[INFO] running `Command { std: "docker" "start" "-a" "b0e4a596985f80823873508c141cc1101ff098b103321bb14bf2681e4c6c9f20", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackstack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "b0e4a596985f80823873508c141cc1101ff098b103321bb14bf2681e4c6c9f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e4a596985f80823873508c141cc1101ff098b103321bb14bf2681e4c6c9f20", kill_on_drop: false }`
[INFO] [stdout] b0e4a596985f80823873508c141cc1101ff098b103321bb14bf2681e4c6c9f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfdc5c95340dde4b7d51379cd8ffc94fa980cf87c207f1f0b75df4570c81a06d
[INFO] running `Command { std: "docker" "start" "-a" "bfdc5c95340dde4b7d51379cd8ffc94fa980cf87c207f1f0b75df4570c81a06d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling stackstack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.46s
[INFO] running `Command { std: "docker" "inspect" "bfdc5c95340dde4b7d51379cd8ffc94fa980cf87c207f1f0b75df4570c81a06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfdc5c95340dde4b7d51379cd8ffc94fa980cf87c207f1f0b75df4570c81a06d", kill_on_drop: false }`
[INFO] [stdout] bfdc5c95340dde4b7d51379cd8ffc94fa980cf87c207f1f0b75df4570c81a06d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df38404dbb3314299fce9823a85e4ab5ba759cbc8e6eb60beb2f28ea71922927
[INFO] running `Command { std: "docker" "start" "-a" "df38404dbb3314299fce9823a85e4ab5ba759cbc8e6eb60beb2f28ea71922927", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stackstack-98a205ef6c460cdb)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::rev ... ok
[INFO] [stdout] test tests::on_chained ... ok
[INFO] [stdout] test tests::get ... ok
[INFO] [stderr]    Doc-tests stackstack
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::is_empty (line 227) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::last (line 271) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::chained (line 378) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::get (line 235) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::into_split_last (line 310) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::iter (line 324) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::first (line 262) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::new (line 171) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::pushed (line 198) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::of (line 182) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::len (line 215) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::split_last (line 297) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::last_mut (line 284) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::with (line 338) ... ok
[INFO] [stdout] test src/lib.rs - Stack<'a,T>::with_all (line 353) ... ok
[INFO] [stdout] test src/lib.rs - stack (line 456) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df38404dbb3314299fce9823a85e4ab5ba759cbc8e6eb60beb2f28ea71922927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df38404dbb3314299fce9823a85e4ab5ba759cbc8e6eb60beb2f28ea71922927", kill_on_drop: false }`
[INFO] [stdout] df38404dbb3314299fce9823a85e4ab5ba759cbc8e6eb60beb2f28ea71922927