[INFO] cloning repository https://github.com/rocurley/rs-partition [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rocurley/rs-partition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frs-partition", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frs-partition'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4ad2e2578e98dfc35e7bf7257cb3c740d78e169f [INFO] checking rocurley/rs-partition against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frocurley%2Frs-partition" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rocurley/rs-partition on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rocurley/rs-partition [INFO] finished tweaking git repo https://github.com/rocurley/rs-partition [INFO] tweaked toml for git repo https://github.com/rocurley/rs-partition written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/rocurley/rs-partition already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bfe2a8796f1f55cbdb0c57fa49793b0cabd2e3c445772670d4141dcd7d3b788f [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" "bfe2a8796f1f55cbdb0c57fa49793b0cabd2e3c445772670d4141dcd7d3b788f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bfe2a8796f1f55cbdb0c57fa49793b0cabd2e3c445772670d4141dcd7d3b788f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfe2a8796f1f55cbdb0c57fa49793b0cabd2e3c445772670d4141dcd7d3b788f", kill_on_drop: false }` [INFO] [stdout] bfe2a8796f1f55cbdb0c57fa49793b0cabd2e3c445772670d4141dcd7d3b788f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01f44002f53aeb81417d802f56742d2159cdfaca0de1d35bb053354605cac1c2 [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" "01f44002f53aeb81417d802f56742d2159cdfaca0de1d35bb053354605cac1c2", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling num-bigint v0.2.2 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.13 [INFO] [stderr] Checking remove_dir_all v0.5.1 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling serde v1.0.88 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking spin v0.4.10 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking regex-syntax v0.6.5 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_os v0.1.2 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling backtrace v0.2.3 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking error-chain v0.5.0 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking cpuprofiler v0.0.3 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking tempfile v3.0.6 [INFO] [stderr] Checking rusty-fork v0.2.1 [INFO] [stderr] Checking proptest v0.9.1 [INFO] [stderr] Checking serde_json v1.0.38 [INFO] [stderr] Compiling structopt-derive v0.2.14 [INFO] [stderr] Checking structopt v0.2.14 [INFO] [stderr] Checking rs-partition v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brute.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | ) -> Box>> + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>> + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/subset.rs:72:56 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn all_subsets(elements: &[T]) -> Option<(Vec>)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/brute.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | ) -> Box>> + 'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>> + 'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/ess.rs:194:17 [INFO] [stdout] | [INFO] [stdout] 194 | ) -> Option<(Vec>)> { [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 type [INFO] [stdout] --> src/subset.rs:72:56 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn all_subsets(elements: &[T]) -> Option<(Vec>)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `range_contains` has been stable since 1.35.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(range_contains)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `range_is_empty` has been stable since 1.47.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(range_is_empty)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `range_contains` has been stable since 1.35.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(range_contains)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `range_is_empty` has been stable since 1.47.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(range_is_empty)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 57.55s [INFO] running `Command { std: "docker" "inspect" "01f44002f53aeb81417d802f56742d2159cdfaca0de1d35bb053354605cac1c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01f44002f53aeb81417d802f56742d2159cdfaca0de1d35bb053354605cac1c2", kill_on_drop: false }` [INFO] [stdout] 01f44002f53aeb81417d802f56742d2159cdfaca0de1d35bb053354605cac1c2