[INFO] fetching crate simple_generators_adapter 0.2.1...
[INFO] testing simple_generators_adapter-0.2.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate simple_generators_adapter 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate simple_generators_adapter 0.2.1
[INFO] finished tweaking crates.io crate simple_generators_adapter 0.2.1
[INFO] tweaked toml for crates.io crate simple_generators_adapter 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_generators_adapter 0.2.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate simple_generators_adapter 0.2.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ee48d1f1c440a37e1dc3ac4884757dd171a6b320f689949a243fef658386798
[INFO] running `Command { std: "docker" "start" "-a" "7ee48d1f1c440a37e1dc3ac4884757dd171a6b320f689949a243fef658386798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee48d1f1c440a37e1dc3ac4884757dd171a6b320f689949a243fef658386798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee48d1f1c440a37e1dc3ac4884757dd171a6b320f689949a243fef658386798", kill_on_drop: false }`
[INFO] [stdout] 7ee48d1f1c440a37e1dc3ac4884757dd171a6b320f689949a243fef658386798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4888d6b122115070ebfd99760ea2cffa043ff342cc51a82e9db343d968c1993a
[INFO] running `Command { std: "docker" "start" "-a" "4888d6b122115070ebfd99760ea2cffa043ff342cc51a82e9db343d968c1993a", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_generators_adapter v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `coroutines` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
[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 `stmt_expr_attributes` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "4888d6b122115070ebfd99760ea2cffa043ff342cc51a82e9db343d968c1993a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4888d6b122115070ebfd99760ea2cffa043ff342cc51a82e9db343d968c1993a", kill_on_drop: false }`
[INFO] [stdout] 4888d6b122115070ebfd99760ea2cffa043ff342cc51a82e9db343d968c1993a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0136a50c474163877fb42ac9acae889b1351e53dc5cdc939f411965d1b1432d8
[INFO] running `Command { std: "docker" "start" "-a" "0136a50c474163877fb42ac9acae889b1351e53dc5cdc939f411965d1b1432d8", kill_on_drop: false }`
[INFO] [stdout] warning: feature `coroutines` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
[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 `stmt_expr_attributes` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simple_generators_adapter v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `coroutines` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
[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 `stmt_expr_attributes` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "0136a50c474163877fb42ac9acae889b1351e53dc5cdc939f411965d1b1432d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0136a50c474163877fb42ac9acae889b1351e53dc5cdc939f411965d1b1432d8", kill_on_drop: false }`
[INFO] [stdout] 0136a50c474163877fb42ac9acae889b1351e53dc5cdc939f411965d1b1432d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 090e38ab8d068a38309dc2f88edd285844da53d664f61483f74acb8c903bc876
[INFO] running `Command { std: "docker" "start" "-a" "090e38ab8d068a38309dc2f88edd285844da53d664f61483f74acb8c903bc876", kill_on_drop: false }`
[INFO] [stderr] warning: feature `coroutines` is declared but not used
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | #![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: feature `stmt_expr_attributes` is declared but not used
[INFO] [stderr]  --> src/lib.rs:1:41
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
[INFO] [stderr]   |                                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `simple_generators_adapter` (lib) generated 2 warnings
[INFO] [stderr] warning: `simple_generators_adapter` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_generators_adapter-c7c85e76203ee596)
[INFO] [stderr]    Doc-tests simple_generators_adapter
[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" "090e38ab8d068a38309dc2f88edd285844da53d664f61483f74acb8c903bc876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090e38ab8d068a38309dc2f88edd285844da53d664f61483f74acb8c903bc876", kill_on_drop: false }`
[INFO] [stdout] 090e38ab8d068a38309dc2f88edd285844da53d664f61483f74acb8c903bc876