[INFO] fetching crate unstacked 0.1.2...
[INFO] testing unstacked-0.1.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate unstacked 0.1.2 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unstacked 0.1.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff356bee763139c88303b6580a9fc5a99bbdf40e1b9d90146b22c8bd3738809d
[INFO] running `Command { std: "docker" "start" "-a" "ff356bee763139c88303b6580a9fc5a99bbdf40e1b9d90146b22c8bd3738809d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff356bee763139c88303b6580a9fc5a99bbdf40e1b9d90146b22c8bd3738809d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff356bee763139c88303b6580a9fc5a99bbdf40e1b9d90146b22c8bd3738809d", kill_on_drop: false }`
[INFO] [stdout] ff356bee763139c88303b6580a9fc5a99bbdf40e1b9d90146b22c8bd3738809d
[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=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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13cb2b8fa8af1b6dcead008e34faaeb8266a1a9542118987136a3cc95a707a74
[INFO] running `Command { std: "docker" "start" "-a" "13cb2b8fa8af1b6dcead008e34faaeb8266a1a9542118987136a3cc95a707a74", kill_on_drop: false }`
[INFO] [stderr]    Compiling unstacked v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "13cb2b8fa8af1b6dcead008e34faaeb8266a1a9542118987136a3cc95a707a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13cb2b8fa8af1b6dcead008e34faaeb8266a1a9542118987136a3cc95a707a74", kill_on_drop: false }`
[INFO] [stdout] 13cb2b8fa8af1b6dcead008e34faaeb8266a1a9542118987136a3cc95a707a74
[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=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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cc1e0276131015cb3748d7371ba68bf979293c29e1ce6cb1b05293745eec857
[INFO] running `Command { std: "docker" "start" "-a" "8cc1e0276131015cb3748d7371ba68bf979293c29e1ce6cb1b05293745eec857", kill_on_drop: false }`
[INFO] [stderr]    Compiling unstacked v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "8cc1e0276131015cb3748d7371ba68bf979293c29e1ce6cb1b05293745eec857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc1e0276131015cb3748d7371ba68bf979293c29e1ce6cb1b05293745eec857", kill_on_drop: false }`
[INFO] [stdout] 8cc1e0276131015cb3748d7371ba68bf979293c29e1ce6cb1b05293745eec857
[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=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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df0e80e281553a90ee24fc729e817d96974f14e97cd91d0c1935b27271da2959
[INFO] running `Command { std: "docker" "start" "-a" "df0e80e281553a90ee24fc729e817d96974f14e97cd91d0c1935b27271da2959", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[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_clear ... ok
[INFO] [stdout] test tests::test_aba_problem_prevention ... ok
[INFO] [stdout] test tests::test_encode_decode ... ok
[INFO] [stdout] test tests::test_clear_concurrent ... ok
[INFO] [stdout] test tests::test_new_stack_is_empty ... ok
[INFO] [stdout] test tests::test_peek_and_modify ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_push_and_pop_multiple_elements ... ok
[INFO] [stdout] test tests::test_is_empty ... ok
[INFO] [stdout] test tests::test_push_after_pop ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] test tests::test_tag_increment_on_operations ... ok
[INFO] [stdout] test tests::test_push_and_pop_with_custom_type ... ok
[INFO] [stdout] test tests::test_push_and_pop_single_element ... ok
[INFO] [stdout] test tests::test_tagged_ptr_operations ... ok
[INFO] [stdout] test tests::test_concurrent_push ... ok
[INFO] [stdout] test tests::test_peek_concurrent ... ok
[INFO] [stdout] test tests::test_multiple_pops_when_empty ... 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 0.04s
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df0e80e281553a90ee24fc729e817d96974f14e97cd91d0c1935b27271da2959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df0e80e281553a90ee24fc729e817d96974f14e97cd91d0c1935b27271da2959", kill_on_drop: false }`
[INFO] [stdout] df0e80e281553a90ee24fc729e817d96974f14e97cd91d0c1935b27271da2959