[INFO] fetching crate smartpoll 2.0.0...
[INFO] testing smartpoll-2.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate smartpoll 2.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate smartpoll 2.0.0
[INFO] finished tweaking crates.io crate smartpoll 2.0.0
[INFO] tweaked toml for crates.io crate smartpoll 2.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate smartpoll 2.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37411143bc484b407f28fb308fb3bf842d20470428435981cad386db7f98bee9
[INFO] running `Command { std: "docker" "start" "-a" "37411143bc484b407f28fb308fb3bf842d20470428435981cad386db7f98bee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37411143bc484b407f28fb308fb3bf842d20470428435981cad386db7f98bee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37411143bc484b407f28fb308fb3bf842d20470428435981cad386db7f98bee9", kill_on_drop: false }`
[INFO] [stdout] 37411143bc484b407f28fb308fb3bf842d20470428435981cad386db7f98bee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cff9d7d593952388852ef8d8e7aac949a4b18e2a25b6773dc00a3e2ec72bf36c
[INFO] running `Command { std: "docker" "start" "-a" "cff9d7d593952388852ef8d8e7aac949a4b18e2a25b6773dc00a3e2ec72bf36c", kill_on_drop: false }`
[INFO] [stderr]    Compiling smartpoll v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |         Box::into_raw(this);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let _ = Box::into_raw(this);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:516:9
[INFO] [stdout]     |
[INFO] [stdout] 516 |         Box::into_raw(this);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let _ = Box::into_raw(this);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "cff9d7d593952388852ef8d8e7aac949a4b18e2a25b6773dc00a3e2ec72bf36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff9d7d593952388852ef8d8e7aac949a4b18e2a25b6773dc00a3e2ec72bf36c", kill_on_drop: false }`
[INFO] [stdout] cff9d7d593952388852ef8d8e7aac949a4b18e2a25b6773dc00a3e2ec72bf36c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ada8983b60ab7304b277d099ad07d205bf9fd1126fd29fb8f0f48eed48feddf
[INFO] running `Command { std: "docker" "start" "-a" "9ada8983b60ab7304b277d099ad07d205bf9fd1126fd29fb8f0f48eed48feddf", kill_on_drop: false }`
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |         Box::into_raw(this);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let _ = Box::into_raw(this);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:516:9
[INFO] [stdout]     |
[INFO] [stdout] 516 |         Box::into_raw(this);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let _ = Box::into_raw(this);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling smartpoll v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |         Box::into_raw(this);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let _ = Box::into_raw(this);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stdout]    --> src/lib.rs:516:9
[INFO] [stdout]     |
[INFO] [stdout] 516 |         Box::into_raw(this);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the pointer will leak memory
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let _ = Box::into_raw(this);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "9ada8983b60ab7304b277d099ad07d205bf9fd1126fd29fb8f0f48eed48feddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ada8983b60ab7304b277d099ad07d205bf9fd1126fd29fb8f0f48eed48feddf", kill_on_drop: false }`
[INFO] [stdout] 9ada8983b60ab7304b277d099ad07d205bf9fd1126fd29fb8f0f48eed48feddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91bcb9796fa3b972d38f1f8a39c33357b7befd7c35b910777b58709e991cbb09
[INFO] running `Command { std: "docker" "start" "-a" "91bcb9796fa3b972d38f1f8a39c33357b7befd7c35b910777b58709e991cbb09", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stderr]    --> src/lib.rs:470:9
[INFO] [stderr]     |
[INFO] [stderr] 470 |         Box::into_raw(this);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: losing the pointer will leak memory
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 470 |         let _ = Box::into_raw(this);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::into_raw` that must be used
[INFO] [stderr]    --> src/lib.rs:516:9
[INFO] [stderr]     |
[INFO] [stderr] 516 |         Box::into_raw(this);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: losing the pointer will leak memory
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 516 |         let _ = Box::into_raw(this);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `smartpoll` (lib) generated 2 warnings
[INFO] [stderr] warning: `smartpoll` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/smartpoll-bad2506eb1d0666a)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test algorithm::tests::algorithm_test2 ... ok
[INFO] [stdout] test algorithm::tests::algorithm_test3 ... ok
[INFO] [stdout] test tests::metadata_is_preserved ... ok
[INFO] [stdout] test util::tests::yield_test ... ok
[INFO] [stdout] test util::tests::sequencer ... ok
[INFO] [stdout] test algorithm::tests::algorithm_test1 ... ok
[INFO] [stdout] test algorithm::tests::algorithm_test4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.86s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smartpoll
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91bcb9796fa3b972d38f1f8a39c33357b7befd7c35b910777b58709e991cbb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91bcb9796fa3b972d38f1f8a39c33357b7befd7c35b910777b58709e991cbb09", kill_on_drop: false }`
[INFO] [stdout] 91bcb9796fa3b972d38f1f8a39c33357b7befd7c35b910777b58709e991cbb09