[INFO] fetching crate pegcel-macros 0.1.0...
[INFO] testing pegcel-macros-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pegcel-macros 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pegcel-macros 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pegcel-macros 0.1.0
[INFO] finished tweaking crates.io crate pegcel-macros 0.1.0
[INFO] tweaked toml for crates.io crate pegcel-macros 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54301f0ba200e6bde1474c1d57859fe4661167cab46e4c887dc61bb572ac1e00
[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" "54301f0ba200e6bde1474c1d57859fe4661167cab46e4c887dc61bb572ac1e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54301f0ba200e6bde1474c1d57859fe4661167cab46e4c887dc61bb572ac1e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54301f0ba200e6bde1474c1d57859fe4661167cab46e4c887dc61bb572ac1e00", kill_on_drop: false }`
[INFO] [stdout] 54301f0ba200e6bde1474c1d57859fe4661167cab46e4c887dc61bb572ac1e00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8adaa42d50dd211ac2284dfa6643099eabe86c7c547e150c01687442df64ddcd
[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" "8adaa42d50dd211ac2284dfa6643099eabe86c7c547e150c01687442df64ddcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling pegcel-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:127:6
[INFO] [stdout]     |
[INFO] [stdout] 127 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:285:97
[INFO] [stdout]     |
[INFO] [stdout] 285 |                     make_type(&item.item).unwrap_or_else(|| panic!("Non-advancing repetition"));;
[INFO] [stdout]     |                                                                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.12s
[INFO] running `Command { std: "docker" "inspect" "8adaa42d50dd211ac2284dfa6643099eabe86c7c547e150c01687442df64ddcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8adaa42d50dd211ac2284dfa6643099eabe86c7c547e150c01687442df64ddcd", kill_on_drop: false }`
[INFO] [stdout] 8adaa42d50dd211ac2284dfa6643099eabe86c7c547e150c01687442df64ddcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 804cd164c12dff3e2ec85d7d6338d4f11ca618e1283c913738fb16cd93187b2a
[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" "804cd164c12dff3e2ec85d7d6338d4f11ca618e1283c913738fb16cd93187b2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pegcel-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:127:6
[INFO] [stdout]     |
[INFO] [stdout] 127 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:285:97
[INFO] [stdout]     |
[INFO] [stdout] 285 |                     make_type(&item.item).unwrap_or_else(|| panic!("Non-advancing repetition"));;
[INFO] [stdout]     |                                                                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:127:6
[INFO] [stdout]     |
[INFO] [stdout] 127 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:285:97
[INFO] [stdout]     |
[INFO] [stdout] 285 |                     make_type(&item.item).unwrap_or_else(|| panic!("Non-advancing repetition"));;
[INFO] [stdout]     |                                                                                                 ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "804cd164c12dff3e2ec85d7d6338d4f11ca618e1283c913738fb16cd93187b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804cd164c12dff3e2ec85d7d6338d4f11ca618e1283c913738fb16cd93187b2a", kill_on_drop: false }`
[INFO] [stdout] 804cd164c12dff3e2ec85d7d6338d4f11ca618e1283c913738fb16cd93187b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 5ea6b9c15666db1e3b41a1c912a3dedf50823311faec6ce1769d0634bed4286d
[INFO] running `Command { std: "docker" "start" "-a" "5ea6b9c15666db1e3b41a1c912a3dedf50823311faec6ce1769d0634bed4286d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lib.rs:127:6
[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] 127 |     };
[INFO] [stdout] 
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:285:97
[INFO] [stderr]     |
[INFO] [stderr] 285 |                     make_type(&item.item).unwrap_or_else(|| panic!("Non-advancing repetition"));;
[INFO] [stderr]     |                                                                                                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `pegcel-macros` (lib) generated 2 warnings
[INFO] [stderr] warning: `pegcel-macros` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pegcel_macros-d0a3274514ef3a13)
[INFO] [stderr]      Running tests/meta.rs (/opt/rustwide/target/debug/deps/meta-ce0d30fb60961fde)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test meta_grammar_compiles ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pegcel-macros
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:127:6
[INFO] [stderr]     |
[INFO] [stderr] 127 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:285:97
[INFO] [stderr]     |
[INFO] [stderr] 285 |                     make_type(&item.item).unwrap_or_else(|| panic!("Non-advancing repetition"));;
[INFO] [stderr]     |                                                                                                 ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[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" "5ea6b9c15666db1e3b41a1c912a3dedf50823311faec6ce1769d0634bed4286d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea6b9c15666db1e3b41a1c912a3dedf50823311faec6ce1769d0634bed4286d", kill_on_drop: false }`
[INFO] [stdout] 5ea6b9c15666db1e3b41a1c912a3dedf50823311faec6ce1769d0634bed4286d