[INFO] cloning repository https://github.com/remexre/fstlc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/remexre/fstlc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Ffstlc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Ffstlc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2d04b0d03d1736d66c010a798251e44a28a94471 [INFO] testing remexre/fstlc against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Ffstlc" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/remexre/fstlc on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/remexre/fstlc [INFO] finished tweaking git repo https://github.com/remexre/fstlc [INFO] tweaked toml for git repo https://github.com/remexre/fstlc written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/remexre/fstlc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a3d0a2c74e50b6ba1ed974d3d75377521a5a1813496bc7c28a8df37259ac0ca [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" "9a3d0a2c74e50b6ba1ed974d3d75377521a5a1813496bc7c28a8df37259ac0ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a3d0a2c74e50b6ba1ed974d3d75377521a5a1813496bc7c28a8df37259ac0ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a3d0a2c74e50b6ba1ed974d3d75377521a5a1813496bc7c28a8df37259ac0ca", kill_on_drop: false }` [INFO] [stdout] 9a3d0a2c74e50b6ba1ed974d3d75377521a5a1813496bc7c28a8df37259ac0ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49f16ae7dd6f1a6cff0448e69d44c317715eab933d57cd41a172ba8675f51f90 [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" "49f16ae7dd6f1a6cff0448e69d44c317715eab933d57cd41a172ba8675f51f90", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.49 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling serde v1.0.88 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling either v1.5.1 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling block-padding v0.1.3 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling syn v0.15.26 [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 clap v2.32.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling block-buffer v0.7.0 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling stderrlog v0.4.1 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.88 [INFO] [stderr] Compiling structopt-derive v0.2.14 [INFO] [stderr] Compiling derive_more v0.14.0 [INFO] [stderr] Compiling structopt v0.2.14 [INFO] [stderr] Compiling docopt v1.0.2 [INFO] [stderr] Compiling lalrpop v0.16.3 [INFO] [stderr] Compiling fstlc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fstlc-911912e56008c577/out/grammar.rs:1944:5 [INFO] [stdout] | [INFO] [stdout] 1944 | (__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/fstlc-911912e56008c577/out/grammar.rs:1955:5 [INFO] [stdout] | [INFO] [stdout] 1955 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 29s [INFO] running `Command { std: "docker" "inspect" "49f16ae7dd6f1a6cff0448e69d44c317715eab933d57cd41a172ba8675f51f90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49f16ae7dd6f1a6cff0448e69d44c317715eab933d57cd41a172ba8675f51f90", kill_on_drop: false }` [INFO] [stdout] 49f16ae7dd6f1a6cff0448e69d44c317715eab933d57cd41a172ba8675f51f90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c10367715d91fc576a4bf876814638490e905d35034bfd5a063dc2e2457b4bdd [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" "c10367715d91fc576a4bf876814638490e905d35034bfd5a063dc2e2457b4bdd", kill_on_drop: false }` [INFO] [stderr] Compiling fstlc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fstlc-911912e56008c577/out/grammar.rs:1944:5 [INFO] [stdout] | [INFO] [stdout] 1944 | (__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/fstlc-911912e56008c577/out/grammar.rs:1955:5 [INFO] [stdout] | [INFO] [stdout] 1955 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> /opt/rustwide/target/debug/build/fstlc-911912e56008c577/out/grammar.rs:1944:5 [INFO] [stdout] | [INFO] [stdout] 1944 | (__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/fstlc-911912e56008c577/out/grammar.rs:1955:5 [INFO] [stdout] | [INFO] [stdout] 1955 | (__0) [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.63s [INFO] running `Command { std: "docker" "inspect" "c10367715d91fc576a4bf876814638490e905d35034bfd5a063dc2e2457b4bdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c10367715d91fc576a4bf876814638490e905d35034bfd5a063dc2e2457b4bdd", kill_on_drop: false }` [INFO] [stdout] c10367715d91fc576a4bf876814638490e905d35034bfd5a063dc2e2457b4bdd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 66659c49b1e652ad7ae0ce08613c1fb3d3c3a6a45c98459bdd8e7ffec033b01b [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" "66659c49b1e652ad7ae0ce08613c1fb3d3c3a6a45c98459bdd8e7ffec033b01b", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/fstlc-911912e56008c577/out/grammar.rs:1944:5 [INFO] [stderr] | [INFO] [stderr] 1944 | (__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/fstlc-911912e56008c577/out/grammar.rs:1955:5 [INFO] [stderr] | [INFO] [stderr] 1955 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/fstlc-911912e56008c577/out/grammar.rs:1944:5 [INFO] [stderr] | [INFO] [stderr] 1944 | (__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/fstlc-911912e56008c577/out/grammar.rs:1955:5 [INFO] [stderr] | [INFO] [stderr] 1955 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fstlc-7a91e73e7c05e8d0) [INFO] [stdout] running 2 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/fstlc-ec82ee2b9c809fed) [INFO] [stdout] test tests::const_id_42_137 ... ignored [INFO] [stdout] test tests::id_1337 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s [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 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests fstlc [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/fstlc-911912e56008c577/out/grammar.rs:1944:5 [INFO] [stderr] | [INFO] [stderr] 1944 | (__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/fstlc-911912e56008c577/out/grammar.rs:1955:5 [INFO] [stderr] | [INFO] [stderr] 1955 | (__0) [INFO] [stderr] | ^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 2 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" "66659c49b1e652ad7ae0ce08613c1fb3d3c3a6a45c98459bdd8e7ffec033b01b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66659c49b1e652ad7ae0ce08613c1fb3d3c3a6a45c98459bdd8e7ffec033b01b", kill_on_drop: false }` [INFO] [stdout] 66659c49b1e652ad7ae0ce08613c1fb3d3c3a6a45c98459bdd8e7ffec033b01b