[INFO] cloning repository https://github.com/scottschroeder/rust-iterator-adapter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottschroeder/rust-iterator-adapter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottschroeder%2Frust-iterator-adapter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottschroeder%2Frust-iterator-adapter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b30bd4c1a8ebae2205b3f343796cb768c6719eb6 [INFO] testing scottschroeder/rust-iterator-adapter against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottschroeder%2Frust-iterator-adapter" "/workspace/builds/worker-105/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/scottschroeder/rust-iterator-adapter on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/scottschroeder/rust-iterator-adapter [INFO] finished tweaking git repo https://github.com/scottschroeder/rust-iterator-adapter [INFO] tweaked toml for git repo https://github.com/scottschroeder/rust-iterator-adapter written to /workspace/builds/worker-105/source/Cargo.toml [INFO] crate git repo https://github.com/scottschroeder/rust-iterator-adapter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1567f340bba90d7e226efc4f7b56d1ae27829f4ae4b31e2700722035503e702d [INFO] running `Command { std: "docker" "start" "-a" "1567f340bba90d7e226efc4f7b56d1ae27829f4ae4b31e2700722035503e702d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1567f340bba90d7e226efc4f7b56d1ae27829f4ae4b31e2700722035503e702d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1567f340bba90d7e226efc4f7b56d1ae27829f4ae4b31e2700722035503e702d", kill_on_drop: false }` [INFO] [stdout] 1567f340bba90d7e226efc4f7b56d1ae27829f4ae4b31e2700722035503e702d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae58e191717f3b4f4316d2329134cd4185cd28369a1e1e700c01b9223a76d75f [INFO] running `Command { std: "docker" "start" "-a" "ae58e191717f3b4f4316d2329134cd4185cd28369a1e1e700c01b9223a76d75f", kill_on_drop: false }` [INFO] [stderr] Compiling rust-iterator-adapter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | y: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.83s [INFO] running `Command { std: "docker" "inspect" "ae58e191717f3b4f4316d2329134cd4185cd28369a1e1e700c01b9223a76d75f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae58e191717f3b4f4316d2329134cd4185cd28369a1e1e700c01b9223a76d75f", kill_on_drop: false }` [INFO] [stdout] ae58e191717f3b4f4316d2329134cd4185cd28369a1e1e700c01b9223a76d75f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20ac903f97701f2e2c3b721c458c97ad2d512a8591f5cf25d313b32e9ba60752 [INFO] running `Command { std: "docker" "start" "-a" "20ac903f97701f2e2c3b721c458c97ad2d512a8591f5cf25d313b32e9ba60752", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-iterator-adapter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | y: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.37s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "20ac903f97701f2e2c3b721c458c97ad2d512a8591f5cf25d313b32e9ba60752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20ac903f97701f2e2c3b721c458c97ad2d512a8591f5cf25d313b32e9ba60752", kill_on_drop: false }` [INFO] [stdout] 20ac903f97701f2e2c3b721c458c97ad2d512a8591f5cf25d313b32e9ba60752 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 75a24bd983ba8f3d89a9ec5223422adf936a0a2e95e49397f56576660fd30bfb [INFO] running `Command { std: "docker" "start" "-a" "75a24bd983ba8f3d89a9ec5223422adf936a0a2e95e49397f56576660fd30bfb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: field is never read: `x` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 4 | x: T, [INFO] [stdout] [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | y: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust-iterator-adapter` (bin "rust-iterator-adapter" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.71s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_iterator_adapter-4dcfda36c9049373) [INFO] running `Command { std: "docker" "inspect" "75a24bd983ba8f3d89a9ec5223422adf936a0a2e95e49397f56576660fd30bfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75a24bd983ba8f3d89a9ec5223422adf936a0a2e95e49397f56576660fd30bfb", kill_on_drop: false }` [INFO] [stdout] 75a24bd983ba8f3d89a9ec5223422adf936a0a2e95e49397f56576660fd30bfb