[INFO] fetching crate arnalisa 0.6.8...
[INFO] checking arnalisa-0.6.8 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate arnalisa 0.6.8 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate arnalisa 0.6.8 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded try_from v0.3.2
[INFO] [stderr]   Downloaded serde-hex v0.1.0
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[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded array-init v0.0.4
[INFO] [stderr]   Downloaded serde_cbor v0.10.2
[INFO] [stderr]   Downloaded snafu v0.5.0
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[INFO] [stderr]   Downloaded ommui_file_loading v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b60274e1a35ca34bc3a0b5aadbc589b554db29eb56f08e1b14b7dce27bbe30a
[INFO] running `Command { std: "docker" "start" "-a" "1b60274e1a35ca34bc3a0b5aadbc589b554db29eb56f08e1b14b7dce27bbe30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b60274e1a35ca34bc3a0b5aadbc589b554db29eb56f08e1b14b7dce27bbe30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b60274e1a35ca34bc3a0b5aadbc589b554db29eb56f08e1b14b7dce27bbe30a", kill_on_drop: false }`
[INFO] [stdout] 1b60274e1a35ca34bc3a0b5aadbc589b554db29eb56f08e1b14b7dce27bbe30a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3817394829cfacd5d7d5f92c8cd99f19ce24036d805d2a7c8f9ff95c2d923e6
[INFO] running `Command { std: "docker" "start" "-a" "f3817394829cfacd5d7d5f92c8cd99f19ce24036d805d2a7c8f9ff95c2d923e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[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 regex-automata v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking log v0.4.21
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[INFO] [stderr]     Checking array-init v0.0.4
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[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking strsim v0.8.0
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[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking quick-error v1.2.3
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[INFO] [stderr]     Checking regex v1.10.3
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[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking ommui_string_patterns v0.1.2
[INFO] [stderr]     Checking serde-hex v0.1.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking decorum v0.1.3
[INFO] [stderr]     Checking chrono v0.4.35
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking xio_base_datatypes v0.8.0
[INFO] [stderr]     Checking xio_jobset v0.13.0
[INFO] [stderr]     Checking ommui_file_loading v0.7.1
[INFO] [stderr]     Checking xio_hwdb v0.7.0
[INFO] [stderr]     Checking xio_webapi v0.19.0
[INFO] [stderr]     Checking arnalisa v0.6.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/bins/add.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/bins/cborsink.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde_cbor;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_cbor` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/bins/jsonlsink.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_json` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/bins/jsonlsource.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_json` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/bins/subtract.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/item.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:413:21
[INFO] [stdout]     |
[INFO] [stdout] 413 |             B(v) => (v),
[INFO] [stdout]     |                     ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 413 -             B(v) => (v),
[INFO] [stdout] 413 +             B(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:414:22
[INFO] [stdout]     |
[INFO] [stdout] 414 |             I8(v) => (v != 0i8),
[INFO] [stdout]     |                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 414 -             I8(v) => (v != 0i8),
[INFO] [stdout] 414 +             I8(v) => v != 0i8,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:415:23
[INFO] [stdout]     |
[INFO] [stdout] 415 |             I16(v) => (v != 0i16),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 415 -             I16(v) => (v != 0i16),
[INFO] [stdout] 415 +             I16(v) => v != 0i16,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:416:23
[INFO] [stdout]     |
[INFO] [stdout] 416 |             I32(v) => (v != 0i32),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 416 -             I32(v) => (v != 0i32),
[INFO] [stdout] 416 +             I32(v) => v != 0i32,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:417:23
[INFO] [stdout]     |
[INFO] [stdout] 417 |             I64(v) => (v != 0i64),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 417 -             I64(v) => (v != 0i64),
[INFO] [stdout] 417 +             I64(v) => v != 0i64,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:418:23
[INFO] [stdout]     |
[INFO] [stdout] 418 |             F32(v) => (v != 0f32),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 418 -             F32(v) => (v != 0f32),
[INFO] [stdout] 418 +             F32(v) => v != 0f32,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:419:23
[INFO] [stdout]     |
[INFO] [stdout] 419 |             F64(v) => (v != 0f64),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 419 -             F64(v) => (v != 0f64),
[INFO] [stdout] 419 +             F64(v) => v != 0f64,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:420:22
[INFO] [stdout]     |
[INFO] [stdout] 420 |             U8(v) => (v != 0u8),
[INFO] [stdout]     |                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 420 -             U8(v) => (v != 0u8),
[INFO] [stdout] 420 +             U8(v) => v != 0u8,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:421:23
[INFO] [stdout]     |
[INFO] [stdout] 421 |             U16(v) => (v != 0u16),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 421 -             U16(v) => (v != 0u16),
[INFO] [stdout] 421 +             U16(v) => v != 0u16,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:422:23
[INFO] [stdout]     |
[INFO] [stdout] 422 |             U32(v) => (v != 0),
[INFO] [stdout]     |                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 422 -             U32(v) => (v != 0),
[INFO] [stdout] 422 +             U32(v) => v != 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:423:23
[INFO] [stdout]     |
[INFO] [stdout] 423 |             U64(v) => (v != 0),
[INFO] [stdout]     |                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 423 -             U64(v) => (v != 0),
[INFO] [stdout] 423 +             U64(v) => v != 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:424:24
[INFO] [stdout]     |
[INFO] [stdout] 424 |             Nothing => (false),
[INFO] [stdout]     |                        ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 424 -             Nothing => (false),
[INFO] [stdout] 424 +             Nothing => false,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/bins/add.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_cbor` is imported redundantly
[INFO] [stdout]   --> src/bins/cborsink.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde_cbor;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_cbor` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/bins/jsonlsink.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_json` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]   --> src/bins/jsonlsource.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^ the item `serde_json` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/bins/subtract.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/item.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:413:21
[INFO] [stdout]     |
[INFO] [stdout] 413 |             B(v) => (v),
[INFO] [stdout]     |                     ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 413 -             B(v) => (v),
[INFO] [stdout] 413 +             B(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:414:22
[INFO] [stdout]     |
[INFO] [stdout] 414 |             I8(v) => (v != 0i8),
[INFO] [stdout]     |                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 414 -             I8(v) => (v != 0i8),
[INFO] [stdout] 414 +             I8(v) => v != 0i8,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:415:23
[INFO] [stdout]     |
[INFO] [stdout] 415 |             I16(v) => (v != 0i16),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 415 -             I16(v) => (v != 0i16),
[INFO] [stdout] 415 +             I16(v) => v != 0i16,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:416:23
[INFO] [stdout]     |
[INFO] [stdout] 416 |             I32(v) => (v != 0i32),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 416 -             I32(v) => (v != 0i32),
[INFO] [stdout] 416 +             I32(v) => v != 0i32,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:417:23
[INFO] [stdout]     |
[INFO] [stdout] 417 |             I64(v) => (v != 0i64),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 417 -             I64(v) => (v != 0i64),
[INFO] [stdout] 417 +             I64(v) => v != 0i64,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:418:23
[INFO] [stdout]     |
[INFO] [stdout] 418 |             F32(v) => (v != 0f32),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 418 -             F32(v) => (v != 0f32),
[INFO] [stdout] 418 +             F32(v) => v != 0f32,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:419:23
[INFO] [stdout]     |
[INFO] [stdout] 419 |             F64(v) => (v != 0f64),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 419 -             F64(v) => (v != 0f64),
[INFO] [stdout] 419 +             F64(v) => v != 0f64,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:420:22
[INFO] [stdout]     |
[INFO] [stdout] 420 |             U8(v) => (v != 0u8),
[INFO] [stdout]     |                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 420 -             U8(v) => (v != 0u8),
[INFO] [stdout] 420 +             U8(v) => v != 0u8,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:421:23
[INFO] [stdout]     |
[INFO] [stdout] 421 |             U16(v) => (v != 0u16),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 421 -             U16(v) => (v != 0u16),
[INFO] [stdout] 421 +             U16(v) => v != 0u16,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:422:23
[INFO] [stdout]     |
[INFO] [stdout] 422 |             U32(v) => (v != 0),
[INFO] [stdout]     |                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 422 -             U32(v) => (v != 0),
[INFO] [stdout] 422 +             U32(v) => v != 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:423:23
[INFO] [stdout]     |
[INFO] [stdout] 423 |             U64(v) => (v != 0),
[INFO] [stdout]     |                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 423 -             U64(v) => (v != 0),
[INFO] [stdout] 423 +             U64(v) => v != 0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:424:24
[INFO] [stdout]     |
[INFO] [stdout] 424 |             Nothing => (false),
[INFO] [stdout]     |                        ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 424 -             Nothing => (false),
[INFO] [stdout] 424 +             Nothing => false,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `arnalisa` is imported redundantly
[INFO] [stdout]  --> src/bin/arnalisa.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use arnalisa;
[INFO] [stdout]   |     ^^^^^^^^ the item `arnalisa` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> src/bin/arnalisa.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/bin/arnalisa.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `structopt` is imported redundantly
[INFO] [stdout]  --> src/bin/arnalisa.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use structopt;
[INFO] [stdout]   |     ^^^^^^^^^ the item `structopt` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `arnalisa` is imported redundantly
[INFO] [stdout]  --> src/bin/arnalisa.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use arnalisa;
[INFO] [stdout]   |     ^^^^^^^^ the item `arnalisa` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `env_logger` is imported redundantly
[INFO] [stdout]  --> src/bin/arnalisa.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `env_logger` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]  --> src/bin/arnalisa.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `serde_json` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `structopt` is imported redundantly
[INFO] [stdout]  --> src/bin/arnalisa.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use structopt;
[INFO] [stdout]   |     ^^^^^^^^^ the item `structopt` is already defined here
[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:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |             .into_iter()
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[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] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "f3817394829cfacd5d7d5f92c8cd99f19ce24036d805d2a7c8f9ff95c2d923e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3817394829cfacd5d7d5f92c8cd99f19ce24036d805d2a7c8f9ff95c2d923e6", kill_on_drop: false }`
[INFO] [stdout] f3817394829cfacd5d7d5f92c8cd99f19ce24036d805d2a7c8f9ff95c2d923e6
