[INFO] updating cached repository https://github.com/sup34eva/matsuo [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 47fbf0b47212ff55b16a881d4d95c1af9e3aaed9 [INFO] checking sup34eva/matsuo against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsup34eva%2Fmatsuo" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sup34eva/matsuo on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sup34eva/matsuo [INFO] finished tweaking git repo https://github.com/sup34eva/matsuo [INFO] tweaked toml for git repo https://github.com/sup34eva/matsuo written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/sup34eva/matsuo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb53d6741988b5507b2f76162ce77d7c7da07a927d6ff123e9d3d8dd74d4f6de [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" "cb53d6741988b5507b2f76162ce77d7c7da07a927d6ff123e9d3d8dd74d4f6de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb53d6741988b5507b2f76162ce77d7c7da07a927d6ff123e9d3d8dd74d4f6de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb53d6741988b5507b2f76162ce77d7c7da07a927d6ff123e9d3d8dd74d4f6de", kill_on_drop: false }` [INFO] [stdout] cb53d6741988b5507b2f76162ce77d7c7da07a927d6ff123e9d3d8dd74d4f6de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 37bcb5302d91673e3e1f07d09682834d8a354d1cd518ff82df9d3ecb02e88515 [INFO] running `Command { std: "docker" "start" "-a" "37bcb5302d91673e3e1f07d09682834d8a354d1cd518ff82df9d3ecb02e88515", kill_on_drop: false }` [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Compiling serde v0.9.15 [INFO] [stderr] Compiling num-traits v0.1.39 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Compiling rayon-core v1.0.2 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking thread-id v3.1.0 [INFO] [stderr] Checking num_cpus v1.5.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Compiling wayland-client v0.8.7 [INFO] [stderr] Compiling gl_generator v0.5.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking thread_local v0.3.3 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling phf v0.7.21 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling x11-dl v2.14.0 [INFO] [stderr] Checking bincode v0.8.0 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Checking fs2 v0.2.5 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Checking rayon v0.7.1 [INFO] [stderr] Checking memmap v0.4.0 [INFO] [stderr] Compiling glutin v0.8.1 [INFO] [stderr] Compiling gl v0.6.2 [INFO] [stderr] Compiling serde_derive_internals v0.15.1 [INFO] [stderr] Compiling serde_derive v1.0.8 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Checking docopt v0.8.0 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Checking dlib v0.3.1 [INFO] [stderr] Checking wayland-sys v0.8.7 [INFO] [stderr] Checking wayland-window v0.5.0 [INFO] [stderr] Checking wayland-kbd v0.8.0 [INFO] [stderr] Checking winit v0.6.4 [INFO] [stderr] Checking matsuo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(slice_patterns, inclusive_range_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(slice_patterns, inclusive_range_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [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/tree.rs:10:22 [INFO] [stdout] | [INFO] [stdout] 10 | .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: 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/tree.rs:15:38 [INFO] [stdout] | [INFO] [stdout] 15 | ... .into_iter() [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(slice_patterns, inclusive_range_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(slice_patterns, inclusive_range_syntax)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [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/tree.rs:10:22 [INFO] [stdout] | [INFO] [stdout] 10 | .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: 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/tree.rs:15:38 [INFO] [stdout] | [INFO] [stdout] 15 | ... .into_iter() [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 08s [INFO] running `Command { std: "docker" "inspect" "37bcb5302d91673e3e1f07d09682834d8a354d1cd518ff82df9d3ecb02e88515", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37bcb5302d91673e3e1f07d09682834d8a354d1cd518ff82df9d3ecb02e88515", kill_on_drop: false }` [INFO] [stdout] 37bcb5302d91673e3e1f07d09682834d8a354d1cd518ff82df9d3ecb02e88515