[INFO] fetching crate stacking-iterator 1.0.0...
[INFO] testing stacking-iterator-1.0.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate stacking-iterator 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate stacking-iterator 1.0.0
[INFO] finished tweaking crates.io crate stacking-iterator 1.0.0
[INFO] tweaked toml for crates.io crate stacking-iterator 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stacking-iterator 1.0.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a2e576c348c912c0b49c8f2ae2621e463b1c8f58451adcdc2e37da095738ddf
[INFO] running `Command { std: "docker" "start" "-a" "7a2e576c348c912c0b49c8f2ae2621e463b1c8f58451adcdc2e37da095738ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a2e576c348c912c0b49c8f2ae2621e463b1c8f58451adcdc2e37da095738ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2e576c348c912c0b49c8f2ae2621e463b1c8f58451adcdc2e37da095738ddf", kill_on_drop: false }`
[INFO] [stdout] 7a2e576c348c912c0b49c8f2ae2621e463b1c8f58451adcdc2e37da095738ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2660c9076122cae065fc7e2d0a11efd2a8aa373fffdfc84c149fdf6d6f91b9d6
[INFO] running `Command { std: "docker" "start" "-a" "2660c9076122cae065fc7e2d0a11efd2a8aa373fffdfc84c149fdf6d6f91b9d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling stacking-iterator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "2660c9076122cae065fc7e2d0a11efd2a8aa373fffdfc84c149fdf6d6f91b9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2660c9076122cae065fc7e2d0a11efd2a8aa373fffdfc84c149fdf6d6f91b9d6", kill_on_drop: false }`
[INFO] [stdout] 2660c9076122cae065fc7e2d0a11efd2a8aa373fffdfc84c149fdf6d6f91b9d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f74f278b7dba95ac45499c8b2d71d92e3aaa2211451d1a07df488857566d647e
[INFO] running `Command { std: "docker" "start" "-a" "f74f278b7dba95ac45499c8b2d71d92e3aaa2211451d1a07df488857566d647e", kill_on_drop: false }`
[INFO] [stderr]    Compiling stacking-iterator v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "f74f278b7dba95ac45499c8b2d71d92e3aaa2211451d1a07df488857566d647e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74f278b7dba95ac45499c8b2d71d92e3aaa2211451d1a07df488857566d647e", kill_on_drop: false }`
[INFO] [stdout] f74f278b7dba95ac45499c8b2d71d92e3aaa2211451d1a07df488857566d647e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49d3a45db9f1db660965412d55dde98ed258791b917304f02ff886014a2a0468
[INFO] running `Command { std: "docker" "start" "-a" "49d3a45db9f1db660965412d55dde98ed258791b917304f02ff886014a2a0468", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stacking_iterator-e288ebffe733f277)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::contract_linked_list ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::contract_vec_deque ... ok
[INFO] [stdout] test tests::hello ... ok
[INFO] [stdout] test tests::extend_push ... ok
[INFO] [stdout] test tests::hello_hell ... ok
[INFO] [stdout] test tests::hello_world ... ok
[INFO] [stdout] test tests::contract_vec ... ok
[INFO] [stdout] test tests::sneaky_empty ... ok
[INFO] [stdout] test tests::extend_pop ... ok
[INFO] [stdout] test tests::contract_string ... ok
[INFO] [stdout] test tests::implode_empty_linked_list - should panic ... ok
[INFO] [stdout] test tests::implode_empty_vec - should panic ... ok
[INFO] [stdout] test tests::implode_empty_string - should panic ... ok
[INFO] [stdout] test tests::implode_empty_vec_deque - should panic ... ok
[INFO] [stdout] test tests::implode_vec - should panic ... ok
[INFO] [stdout] test tests::implode_linked_list - should panic ... ok
[INFO] [stdout] test tests::implode_string - should panic ... ok
[INFO] [stdout] test tests::implode_vec_deque - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stacking_iterator
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - StackingIteratorExt::collecting (line 330) ... ok
[INFO] [stdout] test src/lib.rs - Operation<T>::as_item (line 145) ... ok
[INFO] [stdout] test src/lib.rs - Instruction<T>::as_operation (line 89) ... ok
[INFO] [stdout] test src/lib.rs - Instruction<T>::into_operation (line 70) ... ok
[INFO] [stdout] test src/lib.rs - StackingIteratorExt::operate (line 363) ... ok
[INFO] [stdout] test src/lib.rs - Operation<T>::into_item (line 127) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49d3a45db9f1db660965412d55dde98ed258791b917304f02ff886014a2a0468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d3a45db9f1db660965412d55dde98ed258791b917304f02ff886014a2a0468", kill_on_drop: false }`
[INFO] [stdout] 49d3a45db9f1db660965412d55dde98ed258791b917304f02ff886014a2a0468
