[INFO] fetching crate array_tool 1.0.3...
[INFO] testing array_tool-1.0.3 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate array_tool 1.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate array_tool 1.0.3 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate array_tool 1.0.3
[INFO] finished tweaking crates.io crate array_tool 1.0.3
[INFO] tweaked toml for crates.io crate array_tool 1.0.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e048a451689e4856356ccd5d9b94b6d230b082bc193038e476ee2e5a0c8df99a
[INFO] running `Command { std: "docker" "start" "-a" "e048a451689e4856356ccd5d9b94b6d230b082bc193038e476ee2e5a0c8df99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e048a451689e4856356ccd5d9b94b6d230b082bc193038e476ee2e5a0c8df99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e048a451689e4856356ccd5d9b94b6d230b082bc193038e476ee2e5a0c8df99a", kill_on_drop: false }`
[INFO] [stdout] e048a451689e4856356ccd5d9b94b6d230b082bc193038e476ee2e5a0c8df99a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97d93176864d450136458d7ca148c1fbd825512226a854546200d2f4d8fb9339
[INFO] running `Command { std: "docker" "start" "-a" "97d93176864d450136458d7ca148c1fbd825512226a854546200d2f4d8fb9339", kill_on_drop: false }`
[INFO] [stderr]    Compiling array_tool v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/vec.rs:203:23
[INFO] [stdout]     |
[INFO] [stdout] 203 |   fn intersect(&self, Self) -> Self;
[INFO] [stdout]     |                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/vec.rs:216:49
[INFO] [stdout]     |
[INFO] [stdout] 216 |   fn intersect_if<F: Fn(&T, &T) -> bool>(&self, Self, validator: F) -> Self;
[INFO] [stdout]     |                                                 ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/string.rs:300:6
[INFO] [stdout]     |
[INFO] [stdout] 300 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `len` are never read
[INFO] [stdout]   --> src/iter.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct ZipOption<A, B> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |   index: usize,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 12 |   len: usize,
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ZipOption` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/vec.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     &self.insert(0, other);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let _ = &self.insert(0, other);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "97d93176864d450136458d7ca148c1fbd825512226a854546200d2f4d8fb9339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d93176864d450136458d7ca148c1fbd825512226a854546200d2f4d8fb9339", kill_on_drop: false }`
[INFO] [stdout] 97d93176864d450136458d7ca148c1fbd825512226a854546200d2f4d8fb9339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fbda23c698435dcf3bfef5426135bb3f013c728b8bc8a8e4a3ebc5cfc7c6aff
[INFO] running `Command { std: "docker" "start" "-a" "7fbda23c698435dcf3bfef5426135bb3f013c728b8bc8a8e4a3ebc5cfc7c6aff", kill_on_drop: false }`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/vec.rs:203:23
[INFO] [stdout]     |
[INFO] [stdout] 203 |   fn intersect(&self, Self) -> Self;
[INFO] [stdout]     |                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/vec.rs:216:49
[INFO] [stdout]     |
[INFO] [stdout] 216 |   fn intersect_if<F: Fn(&T, &T) -> bool>(&self, Self, validator: F) -> Self;
[INFO] [stdout]     |                                                 ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/string.rs:300:6
[INFO] [stdout]     |
[INFO] [stdout] 300 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling array_tool v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `index` and `len` are never read
[INFO] [stdout]   --> src/iter.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct ZipOption<A, B> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |   index: usize,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 12 |   len: usize,
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ZipOption` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/vec.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     &self.insert(0, other);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let _ = &self.insert(0, other);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/vec.rs:203:23
[INFO] [stdout]     |
[INFO] [stdout] 203 |   fn intersect(&self, Self) -> Self;
[INFO] [stdout]     |                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/vec.rs:216:49
[INFO] [stdout]     |
[INFO] [stdout] 216 |   fn intersect_if<F: Fn(&T, &T) -> bool>(&self, Self, validator: F) -> Self;
[INFO] [stdout]     |                                                 ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/string.rs:300:6
[INFO] [stdout]     |
[INFO] [stdout] 300 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]   --> tests/vec.rs:82:19
[INFO] [stdout]    |
[INFO] [stdout] 82 |   use std::ascii::AsciiExt;
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index` and `len` are never read
[INFO] [stdout]   --> src/iter.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct ZipOption<A, B> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |   index: usize,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 12 |   len: usize,
[INFO] [stdout]    |   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ZipOption` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/vec.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     &self.insert(0, other);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let _ = &self.insert(0, other);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "7fbda23c698435dcf3bfef5426135bb3f013c728b8bc8a8e4a3ebc5cfc7c6aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbda23c698435dcf3bfef5426135bb3f013c728b8bc8a8e4a3ebc5cfc7c6aff", kill_on_drop: false }`
[INFO] [stdout] 7fbda23c698435dcf3bfef5426135bb3f013c728b8bc8a8e4a3ebc5cfc7c6aff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f517ebcda0707beb1034df03e7de27f2403b552d20978995ec14a6bb6ec2f41
[INFO] running `Command { std: "docker" "start" "-a" "2f517ebcda0707beb1034df03e7de27f2403b552d20978995ec14a6bb6ec2f41", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/vec.rs:203:23
[INFO] [stderr]     |
[INFO] [stderr] 203 |   fn intersect(&self, Self) -> Self;
[INFO] [stderr]     |                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/vec.rs:216:49
[INFO] [stderr]     |
[INFO] [stderr] 216 |   fn intersect_if<F: Fn(&T, &T) -> bool>(&self, Self, validator: F) -> Self;
[INFO] [stderr]     |                                                 ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/string.rs:300:6
[INFO] [stderr]     |
[INFO] [stderr] 300 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `index` and `len` are never read
[INFO] [stderr]   --> src/iter.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 7  | pub struct ZipOption<A, B> {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 11 |   index: usize,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 12 |   len: usize,
[INFO] [stderr]    |   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ZipOption` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/vec.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     &self.insert(0, other);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let _ = &self.insert(0, other);
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `array_tool` (lib) generated 5 warnings (run `cargo fix --lib -p array_tool` to apply 2 suggestions)
[INFO] [stderr] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stderr]   --> tests/vec.rs:82:19
[INFO] [stderr]    |
[INFO] [stderr] 82 |   use std::ascii::AsciiExt;
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `array_tool` (test "vec") generated 1 warning
[INFO] [stderr] warning: `array_tool` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/array_tool-0450b88bda5b3396)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-e2ba0e31dbae18fe)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_implements_uniques ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/string.rs (/opt/rustwide/target/debug/deps/string-3b728b6a2f87db7d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test it_iterates_over_every_grapheme_character ... ok
[INFO] [stdout] test it_justifies_one_line_in_for_string ... ok
[INFO] [stdout] test it_seeks_end_of_whitespace_after_offset ... ok
[INFO] [stdout] test it_squeezes_characters ... ok
[INFO] [stdout] test it_substitutes_character_at_each_indexed_point ... ok
[INFO] [stdout] test it_word_wraps_for_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/vec.rs (/opt/rustwide/target/debug/deps/vec-50acacae8724cf14)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test it_answers_about_uniqueness ... ok
[INFO] [stdout] test it_answers_about_uniqueness_via ... ok
[INFO] [stdout] test it_can_return_its_own_unique_via ... ok
[INFO] [stdout] test it_can_return_its_own_unique ... ok
[INFO] [stdout] test it_handles_empty_shift ... ok
[INFO] [stdout] test it_creates_union ... ok
[INFO] [stdout] test it_implements_individual_uniq_on_vec ... ok
[INFO] [stdout] test it_intersects ... ok
[INFO] [stdout] test it_implements_individual_uniq_on_vec_via ... ok
[INFO] [stdout] test it_intersects_if ... ok
[INFO] [stdout] test it_joins ... ok
[INFO] [stdout] test it_multiplies ... ok
[INFO] [stdout] test it_shifts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests array_tool
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/string.rs:300:6
[INFO] [stderr]     |
[INFO] [stderr] 300 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/string.rs - string::WordWrap::word_wrap (line 243) ... ok
[INFO] [stdout] test src/string.rs - string::SubstMarks::subst_marks (line 162) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/string.rs - string::Squeeze::squeeze (line 81) ... ok
[INFO] [stdout] test src/string.rs - string::ToGraphemeBytesIter::grapheme_bytes_iter (line 58) ... ok
[INFO] [stdout] test src/vec.rs - vec::Shift::shift (line 159) ... ok
[INFO] [stdout] test src/string.rs - string::AfterWhitespace::seek_end_of_whitespace (line 206) ... ok
[INFO] [stdout] test src/vec.rs - vec::Times::times (line 269) ... ok
[INFO] [stdout] test src/string.rs - string::Justify::justify_line (line 114) ... ok
[INFO] [stdout] test src/vec.rs - vec::Shift::unshift (line 170) ... ok
[INFO] [stdout] test src/iter.rs - iter::ZipOpt::zip_option (line 20) ... ok
[INFO] [stdout] test src/vec.rs - vec::Join::join (line 241) ... ok
[INFO] [stdout] test src/vec.rs - vec::Intersect::intersect_if (line 205) ... ok
[INFO] [stdout] test src/lib.rs - uniques (line 44) ... ok
[INFO] [stdout] test src/vec.rs - vec::Intersect::intersect (line 193) ... ok
[INFO] [stdout] test src/vec.rs - vec::Union::union (line 298) ... ok
[INFO] [stdout] test src/vec.rs - vec::Uniq::unique (line 29) ... ok
[INFO] [stdout] test src/vec.rs - vec::Uniq::uniq (line 14) ... ok
[INFO] [stdout] test src/vec.rs - vec::Uniq::unique_via (line 78) ... ok
[INFO] [stdout] test src/vec.rs - vec::Uniq::is_unique (line 45) ... ok
[INFO] [stdout] test src/vec.rs - vec::Uniq::is_unique_via (line 94) ... ok
[INFO] [stdout] test src/vec.rs - vec::Uniq::uniq_via (line 62) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f517ebcda0707beb1034df03e7de27f2403b552d20978995ec14a6bb6ec2f41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f517ebcda0707beb1034df03e7de27f2403b552d20978995ec14a6bb6ec2f41", kill_on_drop: false }`
[INFO] [stdout] 2f517ebcda0707beb1034df03e7de27f2403b552d20978995ec14a6bb6ec2f41
