[INFO] fetching crate iterx 0.0.10...
[INFO] testing iterx-0.0.10 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate iterx 0.0.10 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate iterx 0.0.10
[INFO] finished tweaking crates.io crate iterx 0.0.10
[INFO] tweaked toml for crates.io crate iterx 0.0.10 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iterx 0.0.10 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3964156b3656ad7a38c2efda62919d90f9774c0af691d49832cbca797860e49e
[INFO] running `Command { std: "docker" "start" "-a" "3964156b3656ad7a38c2efda62919d90f9774c0af691d49832cbca797860e49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3964156b3656ad7a38c2efda62919d90f9774c0af691d49832cbca797860e49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3964156b3656ad7a38c2efda62919d90f9774c0af691d49832cbca797860e49e", kill_on_drop: false }`
[INFO] [stdout] 3964156b3656ad7a38c2efda62919d90f9774c0af691d49832cbca797860e49e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de50ad2ff0158395c767c3d6505ac6b8e3e6c8495b74bf1bf229e6e8f88699eb
[INFO] running `Command { std: "docker" "start" "-a" "de50ad2ff0158395c767c3d6505ac6b8e3e6c8495b74bf1bf229e6e8f88699eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterx v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct MarkLast<I>(bool, std::iter::Peekable<I>)
[INFO] [stdout]     |            --------    ^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 184 - pub struct MarkLast<I>(bool, std::iter::Peekable<I>)
[INFO] [stdout] 184 + pub struct MarkLast<I>((), std::iter::Peekable<I>)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "de50ad2ff0158395c767c3d6505ac6b8e3e6c8495b74bf1bf229e6e8f88699eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de50ad2ff0158395c767c3d6505ac6b8e3e6c8495b74bf1bf229e6e8f88699eb", kill_on_drop: false }`
[INFO] [stdout] de50ad2ff0158395c767c3d6505ac6b8e3e6c8495b74bf1bf229e6e8f88699eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 093a34a99cbcb93269d627d99f73140d3207b1a6783c61dd48220e0128edce23
[INFO] running `Command { std: "docker" "start" "-a" "093a34a99cbcb93269d627d99f73140d3207b1a6783c61dd48220e0128edce23", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterx v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct MarkLast<I>(bool, std::iter::Peekable<I>)
[INFO] [stdout]     |            --------    ^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 184 - pub struct MarkLast<I>(bool, std::iter::Peekable<I>)
[INFO] [stdout] 184 + pub struct MarkLast<I>((), std::iter::Peekable<I>)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub struct MarkLast<I>(bool, std::iter::Peekable<I>)
[INFO] [stdout]     |            --------    ^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 184 - pub struct MarkLast<I>(bool, std::iter::Peekable<I>)
[INFO] [stdout] 184 + pub struct MarkLast<I>((), std::iter::Peekable<I>)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "093a34a99cbcb93269d627d99f73140d3207b1a6783c61dd48220e0128edce23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093a34a99cbcb93269d627d99f73140d3207b1a6783c61dd48220e0128edce23", kill_on_drop: false }`
[INFO] [stdout] 093a34a99cbcb93269d627d99f73140d3207b1a6783c61dd48220e0128edce23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b6a2d13b53ab754e039639db9e23e9710279affb8646fa8ccb026d8c43197699
[INFO] running `Command { std: "docker" "start" "-a" "b6a2d13b53ab754e039639db9e23e9710279affb8646fa8ccb026d8c43197699", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/lib.rs:184:24
[INFO] [stderr]     |
[INFO] [stderr] 184 | pub struct MarkLast<I>(bool, std::iter::Peekable<I>)
[INFO] [stderr]     |            --------    ^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 184 - pub struct MarkLast<I>(bool, std::iter::Peekable<I>)
[INFO] [stderr] 184 + pub struct MarkLast<I>((), std::iter::Peekable<I>)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `iterx` (lib) generated 1 warning
[INFO] [stderr] warning: `iterx` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iterx-be3c72faae39134d)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_mark_last ... ok
[INFO] [stdout] test tests::test_scan_ ... ok
[INFO] [stdout] test tests::test_prepend ... ok
[INFO] [stdout] test tests::test_scan_while ... ok
[INFO] [stdout] test tests::test_zip_map ... ok
[INFO] [stdout] test tests::test_prescan ... ok
[INFO] [stdout] test tests::test_w_combinator ... ok
[INFO] [stdout] test tests::test_drop_last ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iterx
[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" "b6a2d13b53ab754e039639db9e23e9710279affb8646fa8ccb026d8c43197699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a2d13b53ab754e039639db9e23e9710279affb8646fa8ccb026d8c43197699", kill_on_drop: false }`
[INFO] [stdout] b6a2d13b53ab754e039639db9e23e9710279affb8646fa8ccb026d8c43197699
