[INFO] fetching crate matata 0.0.1... [INFO] testing matata-0.0.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate matata 0.0.1 into /workspace/builds/worker-98/source [INFO] validating manifest of crates.io crate matata 0.0.1 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 crates.io crate matata 0.0.1 [INFO] finished tweaking crates.io crate matata 0.0.1 [INFO] tweaked toml for crates.io crate matata 0.0.1 written to /workspace/builds/worker-98/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 31095f958470167c3e2cf32d7aee0584786c7e4b867d430308d8c723a9a71d67 [INFO] running `Command { std: "docker" "start" "-a" "31095f958470167c3e2cf32d7aee0584786c7e4b867d430308d8c723a9a71d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31095f958470167c3e2cf32d7aee0584786c7e4b867d430308d8c723a9a71d67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31095f958470167c3e2cf32d7aee0584786c7e4b867d430308d8c723a9a71d67", kill_on_drop: false }` [INFO] [stdout] 31095f958470167c3e2cf32d7aee0584786c7e4b867d430308d8c723a9a71d67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 34d869191ca8ef308641147e8947b818f226e981a0cf86c0743b67107a81dae1 [INFO] running `Command { std: "docker" "start" "-a" "34d869191ca8ef308641147e8947b818f226e981a0cf86c0743b67107a81dae1", kill_on_drop: false }` [INFO] [stderr] Compiling matata v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `count` [INFO] [stdout] --> src/utils/placeholder.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | count: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "34d869191ca8ef308641147e8947b818f226e981a0cf86c0743b67107a81dae1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34d869191ca8ef308641147e8947b818f226e981a0cf86c0743b67107a81dae1", kill_on_drop: false }` [INFO] [stdout] 34d869191ca8ef308641147e8947b818f226e981a0cf86c0743b67107a81dae1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 51531c4c06fe808211d196392b097e16c655fa8285f943999da680d5fdc56171 [INFO] running `Command { std: "docker" "start" "-a" "51531c4c06fe808211d196392b097e16c655fa8285f943999da680d5fdc56171", kill_on_drop: false }` [INFO] [stderr] Compiling matata v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `count` [INFO] [stdout] --> src/utils/placeholder.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | count: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `count` [INFO] [stdout] --> src/utils/placeholder.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | count: i32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "51531c4c06fe808211d196392b097e16c655fa8285f943999da680d5fdc56171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51531c4c06fe808211d196392b097e16c655fa8285f943999da680d5fdc56171", kill_on_drop: false }` [INFO] [stdout] 51531c4c06fe808211d196392b097e16c655fa8285f943999da680d5fdc56171 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] cf0fd1d9c2250f258764ebeed9640c441566da92347ed68ff9ac1d39fe7ad492 [INFO] running `Command { std: "docker" "start" "-a" "cf0fd1d9c2250f258764ebeed9640c441566da92347ed68ff9ac1d39fe7ad492", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `count` [INFO] [stderr] --> src/utils/placeholder.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | count: i32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `matata` (lib) generated 1 warning [INFO] [stderr] warning: `matata` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.27s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/matata-a9356f2ac6e5a18a) [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] [stderr] Doc-tests matata [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" "cf0fd1d9c2250f258764ebeed9640c441566da92347ed68ff9ac1d39fe7ad492", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf0fd1d9c2250f258764ebeed9640c441566da92347ed68ff9ac1d39fe7ad492", kill_on_drop: false }` [INFO] [stdout] cf0fd1d9c2250f258764ebeed9640c441566da92347ed68ff9ac1d39fe7ad492