[INFO] updating cached repository https://github.com/remexre/luml [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] decddf86746c720f46c78aad1d1802740f55830f [INFO] testing remexre/luml against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fluml" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/remexre/luml on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/remexre/luml [INFO] finished tweaking git repo https://github.com/remexre/luml [INFO] tweaked toml for git repo https://github.com/remexre/luml written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/remexre/luml already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e5297bfbe89b53e746701c4209aaa5559ef3736e6c04378d06c2e318bbbac3d8 [INFO] running `"docker" "start" "-a" "e5297bfbe89b53e746701c4209aaa5559ef3736e6c04378d06c2e318bbbac3d8"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling regex v1.1.2 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling either v1.5.1 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling block-padding v0.1.3 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_os v0.1.2 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling syn v0.15.27 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling block-buffer v0.7.0 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling stderrlog v0.4.1 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Compiling derive_more v0.14.0 [INFO] [stderr] Compiling structopt-derive v0.2.14 [INFO] [stderr] Compiling structopt v0.2.14 [INFO] [stderr] Compiling libremexre v0.1.4 [INFO] [stderr] Compiling docopt v1.0.2 [INFO] [stderr] Compiling lalrpop v0.16.3 [INFO] [stderr] Compiling luml v0.1.1-alpha.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/luml-ed77d73d3203da50/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-ed77d73d3203da50/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-ed77d73d3203da50/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: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 14s [INFO] running `"docker" "inspect" "e5297bfbe89b53e746701c4209aaa5559ef3736e6c04378d06c2e318bbbac3d8"` [INFO] running `"docker" "rm" "-f" "e5297bfbe89b53e746701c4209aaa5559ef3736e6c04378d06c2e318bbbac3d8"` [INFO] [stdout] e5297bfbe89b53e746701c4209aaa5559ef3736e6c04378d06c2e318bbbac3d8 [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] aee1d1caa3fd6dc07ac22edbf1b53645e13b554e19057479bf311f0b5d188aa4 [INFO] running `"docker" "start" "-a" "aee1d1caa3fd6dc07ac22edbf1b53645e13b554e19057479bf311f0b5d188aa4"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling regex v1.1.2 [INFO] [stderr] Compiling docopt v1.0.2 [INFO] [stderr] Compiling lalrpop v0.16.3 [INFO] [stderr] Compiling luml v0.1.1-alpha.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/luml-ed77d73d3203da50/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-ed77d73d3203da50/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-ed77d73d3203da50/out/grammar.rs:1408:5 [INFO] [stderr] | [INFO] [stderr] 1408 | (__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-ed77d73d3203da50/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-ed77d73d3203da50/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-ed77d73d3203da50/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: 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: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 50.47s [INFO] running `"docker" "inspect" "aee1d1caa3fd6dc07ac22edbf1b53645e13b554e19057479bf311f0b5d188aa4"` [INFO] running `"docker" "rm" "-f" "aee1d1caa3fd6dc07ac22edbf1b53645e13b554e19057479bf311f0b5d188aa4"` [INFO] [stdout] aee1d1caa3fd6dc07ac22edbf1b53645e13b554e19057479bf311f0b5d188aa4 [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7624f5fb65df04231dc26e34bc9eafba951f38874fbf00a23135f96c9d04bb51 [INFO] running `"docker" "start" "-a" "7624f5fb65df04231dc26e34bc9eafba951f38874fbf00a23135f96c9d04bb51"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/luml-ed77d73d3203da50/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-ed77d73d3203da50/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-ed77d73d3203da50/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: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/luml-ed77d73d3203da50/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-ed77d73d3203da50/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-ed77d73d3203da50/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: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.58s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/luml-bbffeeead301c0b0 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/luml-285765b529fae2bb [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Doc-tests luml [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "7624f5fb65df04231dc26e34bc9eafba951f38874fbf00a23135f96c9d04bb51"` [INFO] running `"docker" "rm" "-f" "7624f5fb65df04231dc26e34bc9eafba951f38874fbf00a23135f96c9d04bb51"` [INFO] [stdout] 7624f5fb65df04231dc26e34bc9eafba951f38874fbf00a23135f96c9d04bb51