[INFO] fetching crate ttools 0.1.2...
[INFO] testing ttools-0.1.2 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate ttools 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate ttools 0.1.2
[INFO] finished tweaking crates.io crate ttools 0.1.2
[INFO] tweaked toml for crates.io crate ttools 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ttools 0.1.2 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ttools 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 612e0df8332372681eca75e1ae5cab6df05c0b0535a68606dca82568a239d206
[INFO] running `Command { std: "docker" "start" "-a" "612e0df8332372681eca75e1ae5cab6df05c0b0535a68606dca82568a239d206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "612e0df8332372681eca75e1ae5cab6df05c0b0535a68606dca82568a239d206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612e0df8332372681eca75e1ae5cab6df05c0b0535a68606dca82568a239d206", kill_on_drop: false }`
[INFO] [stdout] 612e0df8332372681eca75e1ae5cab6df05c0b0535a68606dca82568a239d206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c099cce6877775e372dbc0cefebf456c4f09c8c344dd67e983fe1c55f5222ef7
[INFO] running `Command { std: "docker" "start" "-a" "c099cce6877775e372dbc0cefebf456c4f09c8c344dd67e983fe1c55f5222ef7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ttools v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `type_alias_impl_trait` is declared but not used
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     type_alias_impl_trait,
[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 `iter_next_chunk` is declared but not used
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     iter_next_chunk
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "c099cce6877775e372dbc0cefebf456c4f09c8c344dd67e983fe1c55f5222ef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c099cce6877775e372dbc0cefebf456c4f09c8c344dd67e983fe1c55f5222ef7", kill_on_drop: false }`
[INFO] [stdout] c099cce6877775e372dbc0cefebf456c4f09c8c344dd67e983fe1c55f5222ef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452ad2070627b22b7a41c92b1ffcfaec4d87fb26860d23676f81e14a864cbdc3
[INFO] running `Command { std: "docker" "start" "-a" "452ad2070627b22b7a41c92b1ffcfaec4d87fb26860d23676f81e14a864cbdc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ttools v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `type_alias_impl_trait` is declared but not used
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     type_alias_impl_trait,
[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 `iter_next_chunk` is declared but not used
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     iter_next_chunk
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/iterator.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let x = [(1, 2), (3, 4)].iter().map_at::<0>(|x| x + 2);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/iterator.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let y = [(1, "a"), (2, "b")]
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/try.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let x = x.on::<1>();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/try.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let x = x.as_mut().on::<1>();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/try.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let x = (&Ok::<_, ()>((Y, Y))).as_ref().on::<1>();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `type_alias_impl_trait` is declared but not used
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     type_alias_impl_trait,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "452ad2070627b22b7a41c92b1ffcfaec4d87fb26860d23676f81e14a864cbdc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452ad2070627b22b7a41c92b1ffcfaec4d87fb26860d23676f81e14a864cbdc3", kill_on_drop: false }`
[INFO] [stdout] 452ad2070627b22b7a41c92b1ffcfaec4d87fb26860d23676f81e14a864cbdc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f55ec55b58ad7069468e5cca92b148ee67be47a69d8396bdaaf272037875571
[INFO] running `Command { std: "docker" "start" "-a" "3f55ec55b58ad7069468e5cca92b148ee67be47a69d8396bdaaf272037875571", kill_on_drop: false }`
[INFO] [stderr] warning: feature `type_alias_impl_trait` is declared but not used
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     type_alias_impl_trait,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: feature `iter_next_chunk` is declared but not used
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     iter_next_chunk
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ttools` (lib) generated 2 warnings
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/iterator.rs:248:9
[INFO] [stderr]     |
[INFO] [stderr] 248 |     let x = [(1, 2), (3, 4)].iter().map_at::<0>(|x| x + 2);
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/iterator.rs:249:9
[INFO] [stderr]     |
[INFO] [stderr] 249 |     let y = [(1, "a"), (2, "b")]
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/try.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let x = x.on::<1>();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/try.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let x = x.as_mut().on::<1>();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/try.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let x = (&Ok::<_, ()>((Y, Y))).as_ref().on::<1>();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: `ttools` (lib test) generated 6 warnings (1 duplicate) (run `cargo fix --lib -p ttools --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ttools-a56613b2480f975c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test iterator::x ... ok
[INFO] [stdout] test r#try::x ... ok
[INFO] [stdout] test t ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ttools
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Push::push (line 51) ... ok
[INFO] [stdout] test src/iterator.rs - iterator::IteratorOfTuples::filter_on (line 117) ... ok
[INFO] [stdout] test src/lib.rs - With::with (line 61) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.61s; merged doctests compilation took 0.60s
[INFO] running `Command { std: "docker" "inspect" "3f55ec55b58ad7069468e5cca92b148ee67be47a69d8396bdaaf272037875571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f55ec55b58ad7069468e5cca92b148ee67be47a69d8396bdaaf272037875571", kill_on_drop: false }`
[INFO] [stdout] 3f55ec55b58ad7069468e5cca92b148ee67be47a69d8396bdaaf272037875571
