[INFO] fetching crate pom 3.2.0... [INFO] testing pom-3.2.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate pom 3.2.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate pom 3.2.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pom 3.2.0 [INFO] finished tweaking crates.io crate pom 3.2.0 [INFO] tweaked toml for crates.io crate pom 3.2.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate crates.io crate pom 3.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1e8290ba9b9e2c9d7cca0f3f7284e2382a8358eab8a580212610e4ccdc992dc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a1e8290ba9b9e2c9d7cca0f3f7284e2382a8358eab8a580212610e4ccdc992dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1e8290ba9b9e2c9d7cca0f3f7284e2382a8358eab8a580212610e4ccdc992dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1e8290ba9b9e2c9d7cca0f3f7284e2382a8358eab8a580212610e4ccdc992dc", kill_on_drop: false }` [INFO] [stdout] a1e8290ba9b9e2c9d7cca0f3f7284e2382a8358eab8a580212610e4ccdc992dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 114183c7d66beebcb07c177ffd4891afe85991bf706c1ec523c7c05387f817e4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "114183c7d66beebcb07c177ffd4891afe85991bf706c1ec523c7c05387f817e4", kill_on_drop: false }` [INFO] [stderr] Compiling pom v3.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.92s [INFO] running `Command { std: "docker" "inspect" "114183c7d66beebcb07c177ffd4891afe85991bf706c1ec523c7c05387f817e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "114183c7d66beebcb07c177ffd4891afe85991bf706c1ec523c7c05387f817e4", kill_on_drop: false }` [INFO] [stdout] 114183c7d66beebcb07c177ffd4891afe85991bf706c1ec523c7c05387f817e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d04c5fa68265b82a4723b53218934a3f4db771fa56ab220a83e5a3b480f8e1bb [INFO] running `Command { std: "docker" "start" "-a" "d04c5fa68265b82a4723b53218934a3f4db771fa56ab220a83e5a3b480f8e1bb", kill_on_drop: false }` [INFO] [stderr] Compiling pom v3.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> examples/whitespace.rs:77:2 [INFO] [stdout] | [INFO] [stdout] 77 | / ( [INFO] [stdout] 78 | | whitespace() * [INFO] [stdout] | |________^ [INFO] [stdout] ... [INFO] [stdout] 82 | ) [INFO] [stdout] | __________^ [INFO] [stdout] 83 | | ) [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 77 ~ whitespace() * [INFO] [stdout] 78 | list( [INFO] [stdout] 79 | call(container), [INFO] [stdout] 80 | whitespace() [INFO] [stdout] 81 ~ ) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/json_file.rs:75:2 [INFO] [stdout] | [INFO] [stdout] 75 | file.read_to_end(&mut input); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.74s [INFO] running `Command { std: "docker" "inspect" "d04c5fa68265b82a4723b53218934a3f4db771fa56ab220a83e5a3b480f8e1bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d04c5fa68265b82a4723b53218934a3f4db771fa56ab220a83e5a3b480f8e1bb", kill_on_drop: false }` [INFO] [stdout] d04c5fa68265b82a4723b53218934a3f4db771fa56ab220a83e5a3b480f8e1bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dccc8f00ec625945e5c702a3e1d7d83053566d105e9fdcf30fa7b2d5e61db787 [INFO] running `Command { std: "docker" "start" "-a" "dccc8f00ec625945e5c702a3e1d7d83053566d105e9fdcf30fa7b2d5e61db787", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> examples/whitespace.rs:77:2 [INFO] [stderr] | [INFO] [stderr] 77 | / ( [INFO] [stderr] 78 | | whitespace() * [INFO] [stderr] | |________^ [INFO] [stderr] ... [INFO] [stderr] 82 | ) [INFO] [stderr] | __________^ [INFO] [stderr] 83 | | ) [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 77 ~ whitespace() * [INFO] [stderr] 78 | list( [INFO] [stderr] 79 | call(container), [INFO] [stderr] 80 | whitespace() [INFO] [stderr] 81 ~ ) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `pom` (example "whitespace") generated 1 warning [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> examples/json_file.rs:75:2 [INFO] [stderr] | [INFO] [stderr] 75 | file.read_to_end(&mut input); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `pom` (example "json_file") generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.61s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/pom-f98fdeec19c10c19) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stderr] Running tests/list.rs (/opt/rustwide/target/debug/deps/list-b298e13cbd2dd798) [INFO] [stdout] test parser::tests::byte_works ... ok [INFO] [stdout] test parser::tests::chain_parser ... ok [INFO] [stdout] test parser::tests::char_works ... ok [INFO] [stdout] test parser::tests::repeat_exactly ... ok [INFO] [stdout] test parser::tests::repeat_at_least ... ok [INFO] [stdout] test parser::tests::repeat_up_to ... ok [INFO] [stdout] test parser::tests::recursive_parser ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests pom [INFO] [stdout] test test_list ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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" "dccc8f00ec625945e5c702a3e1d7d83053566d105e9fdcf30fa7b2d5e61db787", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dccc8f00ec625945e5c702a3e1d7d83053566d105e9fdcf30fa7b2d5e61db787", kill_on_drop: false }` [INFO] [stdout] dccc8f00ec625945e5c702a3e1d7d83053566d105e9fdcf30fa7b2d5e61db787