[INFO] fetching crate temp-stack 1.0.1...
[INFO] testing temp-stack-1.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate temp-stack 1.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate temp-stack 1.0.1
[INFO] finished tweaking crates.io crate temp-stack 1.0.1
[INFO] tweaked toml for crates.io crate temp-stack 1.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate temp-stack 1.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d41c7b2835a2f1c81278208a28ae4b656ccd712dc574158346c02da4861d7e79
[INFO] running `Command { std: "docker" "start" "-a" "d41c7b2835a2f1c81278208a28ae4b656ccd712dc574158346c02da4861d7e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d41c7b2835a2f1c81278208a28ae4b656ccd712dc574158346c02da4861d7e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d41c7b2835a2f1c81278208a28ae4b656ccd712dc574158346c02da4861d7e79", kill_on_drop: false }`
[INFO] [stdout] d41c7b2835a2f1c81278208a28ae4b656ccd712dc574158346c02da4861d7e79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a435463fed95ef20a5d6fdcc28112780c488545c477b21d268d365fa5078cad3
[INFO] running `Command { std: "docker" "start" "-a" "a435463fed95ef20a5d6fdcc28112780c488545c477b21d268d365fa5078cad3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling temp-inst-derive v1.0.0
[INFO] [stderr]    Compiling temp-inst v1.0.0
[INFO] [stderr]    Compiling temp-stack v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "a435463fed95ef20a5d6fdcc28112780c488545c477b21d268d365fa5078cad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a435463fed95ef20a5d6fdcc28112780c488545c477b21d268d365fa5078cad3", kill_on_drop: false }`
[INFO] [stdout] a435463fed95ef20a5d6fdcc28112780c488545c477b21d268d365fa5078cad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c5dd229f652ee255890e27b4ae5bd44308529ab361bcf3595dcb77c09ec598fe
[INFO] running `Command { std: "docker" "start" "-a" "c5dd229f652ee255890e27b4ae5bd44308529ab361bcf3595dcb77c09ec598fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling temp-stack v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "c5dd229f652ee255890e27b4ae5bd44308529ab361bcf3595dcb77c09ec598fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5dd229f652ee255890e27b4ae5bd44308529ab361bcf3595dcb77c09ec598fe", kill_on_drop: false }`
[INFO] [stdout] c5dd229f652ee255890e27b4ae5bd44308529ab361bcf3595dcb77c09ec598fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e97f804e4564e3c16391f407255d26179921132b4b68257d6caea4e995c503c9
[INFO] running `Command { std: "docker" "start" "-a" "e97f804e4564e3c16391f407255d26179921132b4b68257d6caea4e995c503c9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/temp_stack-0bd93d96ecd85c8f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::empty_stack_mut ... ok
[INFO] [stdout] test tests::empty_stack ... ok
[INFO] [stdout] test tests::stack_with_branching ... ok
[INFO] [stdout] test tests::stack_with_branching_mut ... ok
[INFO] [stdout] test tests::stack_with_frames ... ok
[INFO] [stdout] test tests::stack_with_frames_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests temp_stack
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e97f804e4564e3c16391f407255d26179921132b4b68257d6caea4e995c503c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97f804e4564e3c16391f407255d26179921132b4b68257d6caea4e995c503c9", kill_on_drop: false }`
[INFO] [stdout] e97f804e4564e3c16391f407255d26179921132b4b68257d6caea4e995c503c9
