[INFO] fetching crate pom 3.2.0... [INFO] testing pom-3.2.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate pom 3.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate pom 3.2.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-2/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" "+beta-2022-04-10" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 72203851b28ddf1ca9545fe48454194d795468d2a424e9b363bcab3b34f1cfe8 [INFO] running `Command { std: "docker" "start" "-a" "72203851b28ddf1ca9545fe48454194d795468d2a424e9b363bcab3b34f1cfe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72203851b28ddf1ca9545fe48454194d795468d2a424e9b363bcab3b34f1cfe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72203851b28ddf1ca9545fe48454194d795468d2a424e9b363bcab3b34f1cfe8", kill_on_drop: false }` [INFO] [stdout] 72203851b28ddf1ca9545fe48454194d795468d2a424e9b363bcab3b34f1cfe8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0545baa41da0713b31467a9aae81389802fe5b1068b2b60a09c88c136c0a4d6 [INFO] running `Command { std: "docker" "start" "-a" "a0545baa41da0713b31467a9aae81389802fe5b1068b2b60a09c88c136c0a4d6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling pom v3.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "a0545baa41da0713b31467a9aae81389802fe5b1068b2b60a09c88c136c0a4d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0545baa41da0713b31467a9aae81389802fe5b1068b2b60a09c88c136c0a4d6", kill_on_drop: false }` [INFO] [stdout] a0545baa41da0713b31467a9aae81389802fe5b1068b2b60a09c88c136c0a4d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5dfa798777eaaae905bfe5352a79c9c0ba892cf02ca221413be7e6eba8334855 [INFO] running `Command { std: "docker" "start" "-a" "5dfa798777eaaae905bfe5352a79c9c0ba892cf02ca221413be7e6eba8334855", 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 0.77s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/pom-f17228644a2dca07) [INFO] [stderr] Executable tests/list.rs (/opt/rustwide/target/debug/deps/list-74c29c2829f1a627) [INFO] running `Command { std: "docker" "inspect" "5dfa798777eaaae905bfe5352a79c9c0ba892cf02ca221413be7e6eba8334855", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dfa798777eaaae905bfe5352a79c9c0ba892cf02ca221413be7e6eba8334855", kill_on_drop: false }` [INFO] [stdout] 5dfa798777eaaae905bfe5352a79c9c0ba892cf02ca221413be7e6eba8334855 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 21c0bc7b78132a5e415690384ff54d662dcba32c5233a5e020a2d0aa789767f3 [INFO] running `Command { std: "docker" "start" "-a" "21c0bc7b78132a5e415690384ff54d662dcba32c5233a5e020a2d0aa789767f3", 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: 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 "whitespace") generated 1 warning [INFO] [stderr] warning: `pom` (example "json_file") generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pom-f17228644a2dca07) [INFO] [stdout] [INFO] [stdout] running 7 tests [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::recursive_parser ... 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] [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-74c29c2829f1a627) [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" "21c0bc7b78132a5e415690384ff54d662dcba32c5233a5e020a2d0aa789767f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21c0bc7b78132a5e415690384ff54d662dcba32c5233a5e020a2d0aa789767f3", kill_on_drop: false }` [INFO] [stdout] 21c0bc7b78132a5e415690384ff54d662dcba32c5233a5e020a2d0aa789767f3