[INFO] fetching crate nightly_utilities 0.1.1...
[INFO] testing nightly_utilities-0.1.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate nightly_utilities 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nightly_utilities 0.1.1
[INFO] finished tweaking crates.io crate nightly_utilities 0.1.1
[INFO] tweaked toml for crates.io crate nightly_utilities 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nightly_utilities 0.1.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nightly_utilities 0.1.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 857d232d7354dcb06a29676ed79eba92efddf6e61f7e21ce02f49e348324b0fe
[INFO] running `Command { std: "docker" "start" "-a" "857d232d7354dcb06a29676ed79eba92efddf6e61f7e21ce02f49e348324b0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "857d232d7354dcb06a29676ed79eba92efddf6e61f7e21ce02f49e348324b0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857d232d7354dcb06a29676ed79eba92efddf6e61f7e21ce02f49e348324b0fe", kill_on_drop: false }`
[INFO] [stdout] 857d232d7354dcb06a29676ed79eba92efddf6e61f7e21ce02f49e348324b0fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b253248a0665e374a31361eae647f8975803a72bfab0ee81f7f4171b942f139d
[INFO] running `Command { std: "docker" "start" "-a" "b253248a0665e374a31361eae647f8975803a72bfab0ee81f7f4171b942f139d", kill_on_drop: false }`
[INFO] [stderr]    Compiling nightly_utilities v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `try_blocks` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(gen_blocks, try_blocks, closure_lifetime_binder, arbitrary_self_types, arbitrary_self_types_pointers)]
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `closure_lifetime_binder` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(gen_blocks, try_blocks, closure_lifetime_binder, arbitrary_self_types, arbitrary_self_types_pointers)]
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "b253248a0665e374a31361eae647f8975803a72bfab0ee81f7f4171b942f139d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b253248a0665e374a31361eae647f8975803a72bfab0ee81f7f4171b942f139d", kill_on_drop: false }`
[INFO] [stdout] b253248a0665e374a31361eae647f8975803a72bfab0ee81f7f4171b942f139d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d71bc63a2480f00dc779dbc8c28c5644e03aecabc18d5144e9ee4a8ea7ed8d33
[INFO] running `Command { std: "docker" "start" "-a" "d71bc63a2480f00dc779dbc8c28c5644e03aecabc18d5144e9ee4a8ea7ed8d33", kill_on_drop: false }`
[INFO] [stderr]    Compiling nightly_utilities v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `try_blocks` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(gen_blocks, try_blocks, closure_lifetime_binder, arbitrary_self_types, arbitrary_self_types_pointers)]
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `closure_lifetime_binder` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(gen_blocks, try_blocks, closure_lifetime_binder, arbitrary_self_types, arbitrary_self_types_pointers)]
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `try_blocks` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(gen_blocks, try_blocks, closure_lifetime_binder, arbitrary_self_types, arbitrary_self_types_pointers)]
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `closure_lifetime_binder` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:36
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(gen_blocks, try_blocks, closure_lifetime_binder, arbitrary_self_types, arbitrary_self_types_pointers)]
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "d71bc63a2480f00dc779dbc8c28c5644e03aecabc18d5144e9ee4a8ea7ed8d33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71bc63a2480f00dc779dbc8c28c5644e03aecabc18d5144e9ee4a8ea7ed8d33", kill_on_drop: false }`
[INFO] [stdout] d71bc63a2480f00dc779dbc8c28c5644e03aecabc18d5144e9ee4a8ea7ed8d33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68dfd47ba8c1294d50497436c216aaf3374d40a13ad86a96bd28a657cc1a2503
[INFO] running `Command { std: "docker" "start" "-a" "68dfd47ba8c1294d50497436c216aaf3374d40a13ad86a96bd28a657cc1a2503", kill_on_drop: false }`
[INFO] [stderr] warning: feature `try_blocks` is declared but not used
[INFO] [stderr]  --> src/lib.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(gen_blocks, try_blocks, closure_lifetime_binder, arbitrary_self_types, arbitrary_self_types_pointers)]
[INFO] [stderr]   |                        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: feature `closure_lifetime_binder` is declared but not used
[INFO] [stderr]  --> src/lib.rs:1:36
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(gen_blocks, try_blocks, closure_lifetime_binder, arbitrary_self_types, arbitrary_self_types_pointers)]
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `nightly_utilities` (lib) generated 2 warnings
[INFO] [stderr] warning: `nightly_utilities` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nightly_utilities-c200256becbd25ba)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_multiple_receiver ... 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] [stderr]    Doc-tests nightly_utilities
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68dfd47ba8c1294d50497436c216aaf3374d40a13ad86a96bd28a657cc1a2503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68dfd47ba8c1294d50497436c216aaf3374d40a13ad86a96bd28a657cc1a2503", kill_on_drop: false }`
[INFO] [stdout] 68dfd47ba8c1294d50497436c216aaf3374d40a13ad86a96bd28a657cc1a2503