[INFO] fetching crate luml 0.1.0... [INFO] testing luml-0.1.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate luml 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate luml 0.1.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libremexre v0.1.12 [INFO] [stderr] Downloaded ascii-canvas v1.0.0 [INFO] [stderr] Downloaded lalrpop-util v0.16.3 [INFO] [stderr] Downloaded lalrpop v0.16.3 [INFO] [stderr] Downloaded ena v0.11.0 [INFO] [stderr] Downloaded derive_more v0.14.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c63929ad8fdc92fe07c4e6169b4ae11589c583e2d5ec887ec104e57ada76779 [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" "2c63929ad8fdc92fe07c4e6169b4ae11589c583e2d5ec887ec104e57ada76779", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c63929ad8fdc92fe07c4e6169b4ae11589c583e2d5ec887ec104e57ada76779", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c63929ad8fdc92fe07c4e6169b4ae11589c583e2d5ec887ec104e57ada76779", kill_on_drop: false }` [INFO] [stdout] 2c63929ad8fdc92fe07c4e6169b4ae11589c583e2d5ec887ec104e57ada76779 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f937cf0f33ec4913f373734fb96997669e13849fe3c6a107d0502612e97f4fb [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" "8f937cf0f33ec4913f373734fb96997669e13849fe3c6a107d0502612e97f4fb", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling lalrpop-util v0.16.3 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling antidote v1.0.0 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling ena v0.11.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling stderrlog v0.4.3 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.5 [INFO] [stderr] Compiling lalrpop v0.16.3 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling libremexre v0.1.12 [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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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 25s [INFO] running `Command { std: "docker" "inspect" "8f937cf0f33ec4913f373734fb96997669e13849fe3c6a107d0502612e97f4fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f937cf0f33ec4913f373734fb96997669e13849fe3c6a107d0502612e97f4fb", kill_on_drop: false }` [INFO] [stdout] 8f937cf0f33ec4913f373734fb96997669e13849fe3c6a107d0502612e97f4fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db0a6422dca430f6278f1906b444d3d13a7dda9854be89110924b8d47673326d [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" "db0a6422dca430f6278f1906b444d3d13a7dda9854be89110924b8d47673326d", 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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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 1.96s [INFO] running `Command { std: "docker" "inspect" "db0a6422dca430f6278f1906b444d3d13a7dda9854be89110924b8d47673326d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db0a6422dca430f6278f1906b444d3d13a7dda9854be89110924b8d47673326d", kill_on_drop: false }` [INFO] [stdout] db0a6422dca430f6278f1906b444d3d13a7dda9854be89110924b8d47673326d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b4d9d492e5a3c724b2bdf57dfb5b5985e3ccdd65f4d50aea9ecebfd523d2336f [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" "b4d9d492e5a3c724b2bdf57dfb5b5985e3ccdd65f4d50aea9ecebfd523d2336f", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/target/debug/build/luml-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/luml-e2276f6f503c4bca [INFO] [stderr] Running /opt/rustwide/target/debug/deps/luml-d61f33e0254f9591 [INFO] [stderr] Doc-tests luml [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] [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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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-9cc33e13ed66cc7b/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" "b4d9d492e5a3c724b2bdf57dfb5b5985e3ccdd65f4d50aea9ecebfd523d2336f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4d9d492e5a3c724b2bdf57dfb5b5985e3ccdd65f4d50aea9ecebfd523d2336f", kill_on_drop: false }` [INFO] [stdout] b4d9d492e5a3c724b2bdf57dfb5b5985e3ccdd65f4d50aea9ecebfd523d2336f