[INFO] fetching crate arnalisa 0.6.8...
[INFO] checking arnalisa-0.6.8 against 1.55.0 for beta-1.56-3
[INFO] extracting crate arnalisa 0.6.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate arnalisa 0.6.8 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arnalisa 0.6.8
[INFO] finished tweaking crates.io crate arnalisa 0.6.8
[INFO] tweaked toml for crates.io crate arnalisa 0.6.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0fae0a072e14d356adb13ddeaaf2e2fcdde6607f06ba173a106601756195f5a
[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" "d0fae0a072e14d356adb13ddeaaf2e2fcdde6607f06ba173a106601756195f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0fae0a072e14d356adb13ddeaaf2e2fcdde6607f06ba173a106601756195f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0fae0a072e14d356adb13ddeaaf2e2fcdde6607f06ba173a106601756195f5a", kill_on_drop: false }`
[INFO] [stdout] d0fae0a072e14d356adb13ddeaaf2e2fcdde6607f06ba173a106601756195f5a
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67438967ac7ecd8a0be56c84f824e7a937ea744dd3f5165647c2f86512ffef94
[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" "67438967ac7ecd8a0be56c84f824e7a937ea744dd3f5165647c2f86512ffef94", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking miniz_oxide v0.4.4
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]     Checking ommui_string_patterns v0.1.2
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking decorum v0.1.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking serde-hex v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking xio_base_datatypes v0.8.0
[INFO] [stderr]     Checking ommui_file_loading v0.7.1
[INFO] [stderr]     Checking xio_hwdb v0.7.0
[INFO] [stderr]     Checking xio_jobset v0.13.0
[INFO] [stderr]     Checking xio_webapi v0.19.0
[INFO] [stderr]     Checking arnalisa v0.6.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/sortable_float.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |             .into_iter()
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 96 |             .iter()
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let map = IntoIterator::into_iter([(0f64, 0f64), (1f64, 1f64), (2f64, 2f64)])
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/sortable_float.rs:102:14
[INFO] [stdout]     |
[INFO] [stdout] 102 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 102 |             .iter()
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let map = IntoIterator::into_iter([(0f64, 0f64), (1f64, 1f64), (2f64, 0f64)])
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/sortable_float.rs:108:14
[INFO] [stdout]     |
[INFO] [stdout] 108 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 108 |             .iter()
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let map = IntoIterator::into_iter([(0f64, 1f64), (1f64, 0f64), (2f64, 1f64)])
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/sortable_float.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |             .into_iter()
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 114 |             .iter()
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let map = IntoIterator::into_iter([(0f64, 2f64), (1f64, 1f64), (2f64, 0f64)])
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^                                          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.20s
[INFO] running `Command { std: "docker" "inspect" "67438967ac7ecd8a0be56c84f824e7a937ea744dd3f5165647c2f86512ffef94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67438967ac7ecd8a0be56c84f824e7a937ea744dd3f5165647c2f86512ffef94", kill_on_drop: false }`
[INFO] [stdout] 67438967ac7ecd8a0be56c84f824e7a937ea744dd3f5165647c2f86512ffef94
