[INFO] fetching crate iterx 0.0.10... [INFO] testing iterx-0.0.10 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [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 b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04555f66b3d9497df4db671b0520f4d4ed8a83696f8e573620fd969b1b5e2d61 [INFO] running `Command { std: "docker" "start" "-a" "04555f66b3d9497df4db671b0520f4d4ed8a83696f8e573620fd969b1b5e2d61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04555f66b3d9497df4db671b0520f4d4ed8a83696f8e573620fd969b1b5e2d61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04555f66b3d9497df4db671b0520f4d4ed8a83696f8e573620fd969b1b5e2d61", kill_on_drop: false }` [INFO] [stdout] 04555f66b3d9497df4db671b0520f4d4ed8a83696f8e573620fd969b1b5e2d61 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9abbfe97fd83db2c6b147b88bb69c30a8059b13089207cc658f033fc61c0999 [INFO] running `Command { std: "docker" "start" "-a" "e9abbfe97fd83db2c6b147b88bb69c30a8059b13089207cc658f033fc61c0999", 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 1.97s [INFO] running `Command { std: "docker" "inspect" "e9abbfe97fd83db2c6b147b88bb69c30a8059b13089207cc658f033fc61c0999", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9abbfe97fd83db2c6b147b88bb69c30a8059b13089207cc658f033fc61c0999", kill_on_drop: false }` [INFO] [stdout] e9abbfe97fd83db2c6b147b88bb69c30a8059b13089207cc658f033fc61c0999 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1eb69a61fcd319a537d82eee4f97638201a4afc4f6c69d12581762242ff6edf [INFO] running `Command { std: "docker" "start" "-a" "a1eb69a61fcd319a537d82eee4f97638201a4afc4f6c69d12581762242ff6edf", kill_on_drop: false }` [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] 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 `test` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "a1eb69a61fcd319a537d82eee4f97638201a4afc4f6c69d12581762242ff6edf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1eb69a61fcd319a537d82eee4f97638201a4afc4f6c69d12581762242ff6edf", kill_on_drop: false }` [INFO] [stdout] a1eb69a61fcd319a537d82eee4f97638201a4afc4f6c69d12581762242ff6edf [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 645156e23498ca9f4514d12bfb83ef7dbed54fc15ebd0b0c7c8c334eb95247c9 [INFO] running `Command { std: "docker" "start" "-a" "645156e23498ca9f4514d12bfb83ef7dbed54fc15ebd0b0c7c8c334eb95247c9", 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-be3c72faae39134d) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::test_drop_last ... ok [INFO] [stdout] test tests::test_mark_last ... ok [INFO] [stdout] test tests::test_prepend ... ok [INFO] [stdout] test tests::test_scan_while ... ok [INFO] [stdout] test tests::test_w_combinator ... ok [INFO] [stdout] test tests::test_scan_ ... ok [INFO] [stdout] test tests::test_zip_map ... ok [INFO] [stdout] test tests::test_prescan ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [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" "645156e23498ca9f4514d12bfb83ef7dbed54fc15ebd0b0c7c8c334eb95247c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "645156e23498ca9f4514d12bfb83ef7dbed54fc15ebd0b0c7c8c334eb95247c9", kill_on_drop: false }` [INFO] [stdout] 645156e23498ca9f4514d12bfb83ef7dbed54fc15ebd0b0c7c8c334eb95247c9