[INFO] fetching crate iterx 0.0.10... [INFO] testing iterx-0.0.10 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] extracting crate iterx 0.0.10 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate iterx 0.0.10 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9b769d87516b452710221624a12ddccdab50ff5887dc730b161065cc50d6d2bf [INFO] running `Command { std: "docker" "start" "-a" "9b769d87516b452710221624a12ddccdab50ff5887dc730b161065cc50d6d2bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b769d87516b452710221624a12ddccdab50ff5887dc730b161065cc50d6d2bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b769d87516b452710221624a12ddccdab50ff5887dc730b161065cc50d6d2bf", kill_on_drop: false }` [INFO] [stdout] 9b769d87516b452710221624a12ddccdab50ff5887dc730b161065cc50d6d2bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f8dc5e8939e62bf9523b29bc88dd69293f613bdfc82f112842a745a61a323a45 [INFO] running `Command { std: "docker" "start" "-a" "f8dc5e8939e62bf9523b29bc88dd69293f613bdfc82f112842a745a61a323a45", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling itertools v0.10.5 [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(bool, std::iter::Peekable) [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(bool, std::iter::Peekable) [INFO] [stdout] 184 + pub struct MarkLast((), std::iter::Peekable) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s [INFO] running `Command { std: "docker" "inspect" "f8dc5e8939e62bf9523b29bc88dd69293f613bdfc82f112842a745a61a323a45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8dc5e8939e62bf9523b29bc88dd69293f613bdfc82f112842a745a61a323a45", kill_on_drop: false }` [INFO] [stdout] f8dc5e8939e62bf9523b29bc88dd69293f613bdfc82f112842a745a61a323a45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2d2558a07a43b60b988e2f3c24f81d5b9a7595ad2c5e195e880567701a5fa233 [INFO] running `Command { std: "docker" "start" "-a" "2d2558a07a43b60b988e2f3c24f81d5b9a7595ad2c5e195e880567701a5fa233", 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(bool, std::iter::Peekable) [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(bool, std::iter::Peekable) [INFO] [stdout] 184 + pub struct MarkLast((), std::iter::Peekable) [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(bool, std::iter::Peekable) [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(bool, std::iter::Peekable) [INFO] [stdout] 184 + pub struct MarkLast((), std::iter::Peekable) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "2d2558a07a43b60b988e2f3c24f81d5b9a7595ad2c5e195e880567701a5fa233", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d2558a07a43b60b988e2f3c24f81d5b9a7595ad2c5e195e880567701a5fa233", kill_on_drop: false }` [INFO] [stdout] 2d2558a07a43b60b988e2f3c24f81d5b9a7595ad2c5e195e880567701a5fa233 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9d72ff3c464bed01a9bb6f1ab552b19f7e898e5e520ab85ce84b35fc06c7a266 [INFO] running `Command { std: "docker" "start" "-a" "9d72ff3c464bed01a9bb6f1ab552b19f7e898e5e520ab85ce84b35fc06c7a266", 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(bool, std::iter::Peekable) [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(bool, std::iter::Peekable) [INFO] [stderr] 184 + pub struct MarkLast((), std::iter::Peekable) [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 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iterx-3b141eac36a36f2f) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::test_drop_last ... ok [INFO] [stdout] test tests::test_prepend ... ok [INFO] [stdout] test tests::test_mark_last ... ok [INFO] [stdout] test tests::test_scan_ ... ok [INFO] [stdout] test tests::test_prescan ... ok [INFO] [stdout] test tests::test_w_combinator ... ok [INFO] [stdout] test tests::test_zip_map ... ok [INFO] [stdout] test tests::test_scan_while ... 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" "9d72ff3c464bed01a9bb6f1ab552b19f7e898e5e520ab85ce84b35fc06c7a266", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d72ff3c464bed01a9bb6f1ab552b19f7e898e5e520ab85ce84b35fc06c7a266", kill_on_drop: false }` [INFO] [stdout] 9d72ff3c464bed01a9bb6f1ab552b19f7e898e5e520ab85ce84b35fc06c7a266