[INFO] fetching crate flag-algebra 0.1.6... [INFO] checking flag-algebra-0.1.6 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502 [INFO] extracting crate flag-algebra 0.1.6 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate flag-algebra 0.1.6 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate flag-algebra 0.1.6 [INFO] finished tweaking crates.io crate flag-algebra 0.1.6 [INFO] tweaked toml for crates.io crate flag-algebra 0.1.6 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate flag-algebra 0.1.6 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", 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] 69e55f453b1682e3b30dd73ae067ed58caf0c6379106089c42251a838baf999e [INFO] running `Command { std: "docker" "start" "-a" "69e55f453b1682e3b30dd73ae067ed58caf0c6379106089c42251a838baf999e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69e55f453b1682e3b30dd73ae067ed58caf0c6379106089c42251a838baf999e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69e55f453b1682e3b30dd73ae067ed58caf0c6379106089c42251a838baf999e", kill_on_drop: false }` [INFO] [stdout] 69e55f453b1682e3b30dd73ae067ed58caf0c6379106089c42251a838baf999e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c0ce25a93a371a272c246286f5a8a942fc3f9b8e86bdaa606871fd64bbb65f1 [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" "4c0ce25a93a371a272c246286f5a8a942fc3f9b8e86bdaa606871fd64bbb65f1", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling rayon-core v1.6.0 [INFO] [stderr] Compiling ndarray v0.13.0 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking find_folder v0.3.0 [INFO] [stderr] Checking canonical-form v0.9.2 [INFO] [stderr] Checking bitvec v0.15.2 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking itertools v0.8.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking memchr v2.2.1 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand_xoshiro v0.3.1 [INFO] [stderr] Checking rand_os v0.2.2 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking tinytemplate v1.0.2 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking criterion-plot v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking alga v0.9.2 [INFO] [stderr] Checking rayon v1.2.0 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Checking sprs v0.7.1 [INFO] [stderr] Checking criterion v0.3.0 [INFO] [stderr] Checking flag-algebra v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/common.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 125 | (0..n) [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] --> src/common.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 125 | (0..n) [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/sdp.rs:260:14 [INFO] [stdout] | [INFO] [stdout] 260 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/sdp.rs:260:14 [INFO] [stdout] | [INFO] [stdout] 260 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.94s [INFO] running `Command { std: "docker" "inspect" "4c0ce25a93a371a272c246286f5a8a942fc3f9b8e86bdaa606871fd64bbb65f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c0ce25a93a371a272c246286f5a8a942fc3f9b8e86bdaa606871fd64bbb65f1", kill_on_drop: false }` [INFO] [stdout] 4c0ce25a93a371a272c246286f5a8a942fc3f9b8e86bdaa606871fd64bbb65f1