[INFO] fetching crate luml 0.1.0... [INFO] testing luml-0.1.0 against 1.55.0 for beta-1.56-2 [INFO] extracting crate luml 0.1.0 into /workspace/builds/worker-24/source [INFO] validating manifest of crates.io crate luml 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 luml 0.1.0 [INFO] finished tweaking crates.io crate luml 0.1.0 [INFO] tweaked toml for crates.io crate luml 0.1.0 written to /workspace/builds/worker-24/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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] e2a0cb8de9358c6cd7e87ebc687dd0c380071a08bb3f5c073d37a628b0776c62 [INFO] running `Command { std: "docker" "start" "-a" "e2a0cb8de9358c6cd7e87ebc687dd0c380071a08bb3f5c073d37a628b0776c62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e2a0cb8de9358c6cd7e87ebc687dd0c380071a08bb3f5c073d37a628b0776c62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2a0cb8de9358c6cd7e87ebc687dd0c380071a08bb3f5c073d37a628b0776c62", kill_on_drop: false }` [INFO] [stdout] e2a0cb8de9358c6cd7e87ebc687dd0c380071a08bb3f5c073d37a628b0776c62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] cd2747332c61fe1958dd1c29f0bf61a73633a64984be25fce8b757aba9b749cc [INFO] running `Command { std: "docker" "start" "-a" "cd2747332c61fe1958dd1c29f0bf61a73633a64984be25fce8b757aba9b749cc", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling antidote v1.0.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling stderrlog v0.4.3 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling libremexre v0.1.12 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling docopt v1.1.1 [INFO] [stderr] Compiling lalrpop v0.16.3 [INFO] [stderr] Compiling luml v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1362:5 [INFO] [stdout] | [INFO] [stdout] 1362 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1373:5 [INFO] [stdout] | [INFO] [stdout] 1373 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1408:5 [INFO] [stdout] | [INFO] [stdout] 1408 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | let mut dtor = Dtor::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 17s [INFO] running `Command { std: "docker" "inspect" "cd2747332c61fe1958dd1c29f0bf61a73633a64984be25fce8b757aba9b749cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd2747332c61fe1958dd1c29f0bf61a73633a64984be25fce8b757aba9b749cc", kill_on_drop: false }` [INFO] [stdout] cd2747332c61fe1958dd1c29f0bf61a73633a64984be25fce8b757aba9b749cc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 8386ec191a3c9f82e4982c438af58ff61fc98261a310efbab23e32cae96c0752 [INFO] running `Command { std: "docker" "start" "-a" "8386ec191a3c9f82e4982c438af58ff61fc98261a310efbab23e32cae96c0752", kill_on_drop: false }` [INFO] [stderr] Compiling luml v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1362:5 [INFO] [stdout] | [INFO] [stdout] 1362 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1373:5 [INFO] [stdout] | [INFO] [stdout] 1373 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1408:5 [INFO] [stdout] | [INFO] [stdout] 1408 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | let mut dtor = Dtor::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1362:5 [INFO] [stdout] | [INFO] [stdout] 1362 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1373:5 [INFO] [stdout] | [INFO] [stdout] 1373 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1408:5 [INFO] [stdout] | [INFO] [stdout] 1408 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | let mut dtor = Dtor::default(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.46s [INFO] running `Command { std: "docker" "inspect" "8386ec191a3c9f82e4982c438af58ff61fc98261a310efbab23e32cae96c0752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8386ec191a3c9f82e4982c438af58ff61fc98261a310efbab23e32cae96c0752", kill_on_drop: false }` [INFO] [stdout] 8386ec191a3c9f82e4982c438af58ff61fc98261a310efbab23e32cae96c0752 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] [stdout] da99c467c0dd77f78942a7ae340a3dd791f3daffbc1f0dc802cb0d5849de9d47 [INFO] running `Command { std: "docker" "start" "-a" "da99c467c0dd77f78942a7ae340a3dd791f3daffbc1f0dc802cb0d5849de9d47", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1362:5 [INFO] [stderr] | [INFO] [stderr] 1362 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1373:5 [INFO] [stderr] | [INFO] [stderr] 1373 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1408:5 [INFO] [stderr] | [INFO] [stderr] 1408 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:101:21 [INFO] [stderr] | [INFO] [stderr] 101 | let mut dtor = Dtor::default(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `luml` (lib) generated 4 warnings [INFO] [stderr] warning: `luml` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.24s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/luml-2692dd6341f9662b) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/luml-d02e72fe10dc415c) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests luml [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] [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] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1362:5 [INFO] [stderr] | [INFO] [stderr] 1362 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1373:5 [INFO] [stderr] | [INFO] [stderr] 1373 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/luml-a9a2ef5364bdbfc7/out/grammar.rs:1408:5 [INFO] [stderr] | [INFO] [stderr] 1408 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [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" "da99c467c0dd77f78942a7ae340a3dd791f3daffbc1f0dc802cb0d5849de9d47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da99c467c0dd77f78942a7ae340a3dd791f3daffbc1f0dc802cb0d5849de9d47", kill_on_drop: false }` [INFO] [stdout] da99c467c0dd77f78942a7ae340a3dd791f3daffbc1f0dc802cb0d5849de9d47