[INFO] fetching crate pom-preview 3.0.4-alpha-1...
[INFO] testing pom-preview-3.0.4-alpha-1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate pom-preview 3.0.4-alpha-1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate pom-preview 3.0.4-alpha-1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pom-preview 3.0.4-alpha-1
[INFO] finished tweaking crates.io crate pom-preview 3.0.4-alpha-1
[INFO] tweaked toml for crates.io crate pom-preview 3.0.4-alpha-1 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate pom-preview 3.0.4-alpha-1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b89d04ec72c2eb8a5f5798945e7e02b9e928c96b894edc2aee5e2246a2cf5911
[INFO] running `Command { std: "docker" "start" "-a" "b89d04ec72c2eb8a5f5798945e7e02b9e928c96b894edc2aee5e2246a2cf5911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b89d04ec72c2eb8a5f5798945e7e02b9e928c96b894edc2aee5e2246a2cf5911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89d04ec72c2eb8a5f5798945e7e02b9e928c96b894edc2aee5e2246a2cf5911", kill_on_drop: false }`
[INFO] [stdout] b89d04ec72c2eb8a5f5798945e7e02b9e928c96b894edc2aee5e2246a2cf5911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46c493935da88d5a6e7dae588c94967f29f1e549b2a719a91cf5c16f1fa64a2a
[INFO] running `Command { std: "docker" "start" "-a" "46c493935da88d5a6e7dae588c94967f29f1e549b2a719a91cf5c16f1fa64a2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pom-preview v3.0.4-alpha-1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "46c493935da88d5a6e7dae588c94967f29f1e549b2a719a91cf5c16f1fa64a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c493935da88d5a6e7dae588c94967f29f1e549b2a719a91cf5c16f1fa64a2a", kill_on_drop: false }`
[INFO] [stdout] 46c493935da88d5a6e7dae588c94967f29f1e549b2a719a91cf5c16f1fa64a2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 305421ebb4dd676cc5e176434db5c08e57cb57b4b41cdd0af9175b8ff0be1eb6
[INFO] running `Command { std: "docker" "start" "-a" "305421ebb4dd676cc5e176434db5c08e57cb57b4b41cdd0af9175b8ff0be1eb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling pom-preview v3.0.4-alpha-1 (/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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "305421ebb4dd676cc5e176434db5c08e57cb57b4b41cdd0af9175b8ff0be1eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305421ebb4dd676cc5e176434db5c08e57cb57b4b41cdd0af9175b8ff0be1eb6", kill_on_drop: false }`
[INFO] [stdout] 305421ebb4dd676cc5e176434db5c08e57cb57b4b41cdd0af9175b8ff0be1eb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b86c52c0e14d4c3a8d6ae2cd7676a6a6741ff5818fd6a29763d14d7398cd7f2
[INFO] running `Command { std: "docker" "start" "-a" "6b86c52c0e14d4c3a8d6ae2cd7676a6a6741ff5818fd6a29763d14d7398cd7f2", kill_on_drop: false }`
[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-preview` (example "whitespace") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pom-110cf094711a3618)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test parser::tests::byte_works ... ok
[INFO] [stdout] test parser::tests::char_works ... ok
[INFO] [stdout] test parser::tests::chain_parser ... ok
[INFO] [stdout] test parser::tests::recursive_parser ... ok
[INFO] [stdout] test parser::tests::repeat_at_least ... ok
[INFO] [stdout] test parser::tests::repeat_exactly ... ok
[INFO] [stdout] test parser::tests::repeat_up_to ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/list.rs (/opt/rustwide/target/debug/deps/list-699b3a97879d63f4)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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] [stderr]    Doc-tests pom
[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" "6b86c52c0e14d4c3a8d6ae2cd7676a6a6741ff5818fd6a29763d14d7398cd7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b86c52c0e14d4c3a8d6ae2cd7676a6a6741ff5818fd6a29763d14d7398cd7f2", kill_on_drop: false }`
[INFO] [stdout] 6b86c52c0e14d4c3a8d6ae2cd7676a6a6741ff5818fd6a29763d14d7398cd7f2