[INFO] fetching crate unstacked 0.1.2...
[INFO] testing unstacked-0.1.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate unstacked 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate unstacked 0.1.2
[INFO] finished tweaking crates.io crate unstacked 0.1.2
[INFO] tweaked toml for crates.io crate unstacked 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unstacked 0.1.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate unstacked 0.1.2 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b2c4e0660ccd9e80491cc05c35332c714efd4c1760b5cae50c052a60013960e
[INFO] running `Command { std: "docker" "start" "-a" "1b2c4e0660ccd9e80491cc05c35332c714efd4c1760b5cae50c052a60013960e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b2c4e0660ccd9e80491cc05c35332c714efd4c1760b5cae50c052a60013960e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2c4e0660ccd9e80491cc05c35332c714efd4c1760b5cae50c052a60013960e", kill_on_drop: false }`
[INFO] [stdout] 1b2c4e0660ccd9e80491cc05c35332c714efd4c1760b5cae50c052a60013960e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 458035e5155d92a92010dd81645de0f246401c11c2a1a64810422566f89d6014
[INFO] running `Command { std: "docker" "start" "-a" "458035e5155d92a92010dd81645de0f246401c11c2a1a64810422566f89d6014", kill_on_drop: false }`
[INFO] [stderr]    Compiling unstacked v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "458035e5155d92a92010dd81645de0f246401c11c2a1a64810422566f89d6014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458035e5155d92a92010dd81645de0f246401c11c2a1a64810422566f89d6014", kill_on_drop: false }`
[INFO] [stdout] 458035e5155d92a92010dd81645de0f246401c11c2a1a64810422566f89d6014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 236ff6ed5dc3d019fa6e0f2effccffc205312fd0479fa96eb135cbb59c5022d9
[INFO] running `Command { std: "docker" "start" "-a" "236ff6ed5dc3d019fa6e0f2effccffc205312fd0479fa96eb135cbb59c5022d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unstacked v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "236ff6ed5dc3d019fa6e0f2effccffc205312fd0479fa96eb135cbb59c5022d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236ff6ed5dc3d019fa6e0f2effccffc205312fd0479fa96eb135cbb59c5022d9", kill_on_drop: false }`
[INFO] [stdout] 236ff6ed5dc3d019fa6e0f2effccffc205312fd0479fa96eb135cbb59c5022d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c2831cdae800e7b2c359bf47e47bd042dba89b9e2d9253d9c6de3402e81755d
[INFO] running `Command { std: "docker" "start" "-a" "5c2831cdae800e7b2c359bf47e47bd042dba89b9e2d9253d9c6de3402e81755d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unstacked-6eec246dc94945b5)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::test_aba_problem_prevention ... ok
[INFO] [stdout] test tests::test_encode_decode ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_multiple_pops_when_empty ... ok
[INFO] [stdout] test tests::test_new_stack_is_empty ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] test tests::test_peek_and_modify ... ok
[INFO] [stdout] test tests::test_push_and_pop_multiple_elements ... ok
[INFO] [stdout] test tests::test_push_and_pop_with_custom_type ... ok
[INFO] [stdout] test tests::test_concurrent_push ... ok
[INFO] [stdout] test tests::test_clear_concurrent ... ok
[INFO] [stdout] test tests::test_push_after_pop ... ok
[INFO] [stdout] test tests::test_push_and_pop_single_element ... ok
[INFO] [stdout] test tests::test_tag_increment_on_operations ... ok
[INFO] [stdout] test tests::test_tagged_ptr_operations ... ok
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_peek_concurrent ... ok
[INFO] [stdout] test tests::test_concurrent_push_and_pop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unstacked
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Stack<T> (line 68) ... 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] running `Command { std: "docker" "inspect" "5c2831cdae800e7b2c359bf47e47bd042dba89b9e2d9253d9c6de3402e81755d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2831cdae800e7b2c359bf47e47bd042dba89b9e2d9253d9c6de3402e81755d", kill_on_drop: false }`
[INFO] [stdout] 5c2831cdae800e7b2c359bf47e47bd042dba89b9e2d9253d9c6de3402e81755d