[INFO] fetching crate ary 0.1.0...
[INFO] checking ary-0.1.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate ary 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ary 0.1.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ary 0.1.0
[INFO] finished tweaking crates.io crate ary 0.1.0
[INFO] tweaked toml for crates.io crate ary 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f57c1a1daee0b44601dc4d16db99b4ff5598189d6feddb5e426aede41b1b94f7
[INFO] running `Command { std: "docker" "start" "-a" "f57c1a1daee0b44601dc4d16db99b4ff5598189d6feddb5e426aede41b1b94f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f57c1a1daee0b44601dc4d16db99b4ff5598189d6feddb5e426aede41b1b94f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57c1a1daee0b44601dc4d16db99b4ff5598189d6feddb5e426aede41b1b94f7", kill_on_drop: false }`
[INFO] [stdout] f57c1a1daee0b44601dc4d16db99b4ff5598189d6feddb5e426aede41b1b94f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4776eb6b65e930a5f0ae7b39b603af9c5e7f577a9b0a6a5a9cd18207db178e8
[INFO] running `Command { std: "docker" "start" "-a" "d4776eb6b65e930a5f0ae7b39b603af9c5e7f577a9b0a6a5a9cd18207db178e8", kill_on_drop: false }`
[INFO] [stderr]     Checking ary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |   const Z: &[i32] = &ary![0; 15 => 8: 27, 9: !0];
[INFO] [stdout]     |                      --------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 329 |     i - start
[INFO] [stdout]     |     ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__ary__mark_init` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |   const Z: &[i32] = &ary![0; 15 => 8: 27, 9: !0];
[INFO] [stdout]     |                      --------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 329 |     i - start
[INFO] [stdout]     |     ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__mark_init` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |   const Z: &[i32] = &ary![0; 15 => 8: 27, 9: !0];
[INFO] [stdout]     |                      --------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 356 |     i - start
[INFO] [stdout]     |     ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__insert` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |   const Z: &[i32] = &ary![0; 15 => 8: 27, 9: !0];
[INFO] [stdout]     |                      --------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 356 |     i - start
[INFO] [stdout]     |     ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__insert` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     const X: [i32; 58] = ary![1, in [2; 40], in Z, in [3; 2] =>
[INFO] [stdout]     |  ________________________-
[INFO] [stdout] 128 | |     30..40: |i| -(i as i32),
[INFO] [stdout] 129 | |     40: -1000,
[INFO] [stdout] 130 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 329 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__mark_init` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     const X: [i32; 58] = ary![1, in [2; 40], in Z, in [3; 2] =>
[INFO] [stdout]     |  ________________________-
[INFO] [stdout] 128 | |     30..40: |i| -(i as i32),
[INFO] [stdout] 129 | |     40: -1000,
[INFO] [stdout] 130 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 329 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__mark_init` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     const X: [i32; 58] = ary![1, in [2; 40], in Z, in [3; 2] =>
[INFO] [stdout]     |  ________________________-
[INFO] [stdout] 128 | |     30..40: |i| -(i as i32),
[INFO] [stdout] 129 | |     40: -1000,
[INFO] [stdout] 130 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 356 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__insert` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     const X: [i32; 58] = ary![1, in [2; 40], in Z, in [3; 2] =>
[INFO] [stdout]     |  ________________________-
[INFO] [stdout] 128 | |     30..40: |i| -(i as i32),
[INFO] [stdout] 129 | |     40: -1000,
[INFO] [stdout] 130 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 356 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__insert` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     const Y: &[u8] = &ary![0; 32 =>
[INFO] [stdout]     |  _____________________-
[INFO] [stdout] 142 | |     5.._: "a string!".as_bytes(),
[INFO] [stdout] 143 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 329 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__mark_init` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     const Y: &[u8] = &ary![0; 32 =>
[INFO] [stdout]     |  _____________________-
[INFO] [stdout] 142 | |     5.._: "a string!".as_bytes(),
[INFO] [stdout] 143 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 356 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__insert` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "d4776eb6b65e930a5f0ae7b39b603af9c5e7f577a9b0a6a5a9cd18207db178e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4776eb6b65e930a5f0ae7b39b603af9c5e7f577a9b0a6a5a9cd18207db178e8", kill_on_drop: false }`
[INFO] [stdout] d4776eb6b65e930a5f0ae7b39b603af9c5e7f577a9b0a6a5a9cd18207db178e8
[INFO] checking ary-0.1.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate ary 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ary 0.1.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ary 0.1.0
[INFO] finished tweaking crates.io crate ary 0.1.0
[INFO] tweaked toml for crates.io crate ary 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 924e5633a16965f12779336034efd30b04244b9687f76cddf0457a9239922949
[INFO] running `Command { std: "docker" "start" "-a" "924e5633a16965f12779336034efd30b04244b9687f76cddf0457a9239922949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "924e5633a16965f12779336034efd30b04244b9687f76cddf0457a9239922949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "924e5633a16965f12779336034efd30b04244b9687f76cddf0457a9239922949", kill_on_drop: false }`
[INFO] [stdout] 924e5633a16965f12779336034efd30b04244b9687f76cddf0457a9239922949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18e0fc860d4d52d050fdf5d35e969053daf5470e474e79b3ccb03d6decf6143c
[INFO] running `Command { std: "docker" "start" "-a" "18e0fc860d4d52d050fdf5d35e969053daf5470e474e79b3ccb03d6decf6143c", kill_on_drop: false }`
[INFO] [stderr]     Checking ary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |   const Z: &[i32] = &ary![0; 15 => 8: 27, 9: !0];
[INFO] [stdout]     |                      --------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 329 |     i - start
[INFO] [stdout]     |     ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `__ary__mark_init` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |   const Z: &[i32] = &ary![0; 15 => 8: 27, 9: !0];
[INFO] [stdout]     |                      --------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 329 |     i - start
[INFO] [stdout]     |     ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__mark_init` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |   const Z: &[i32] = &ary![0; 15 => 8: 27, 9: !0];
[INFO] [stdout]     |                      --------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 356 |     i - start
[INFO] [stdout]     |     ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__insert` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |   const Z: &[i32] = &ary![0; 15 => 8: 27, 9: !0];
[INFO] [stdout]     |                      --------------------------- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 356 |     i - start
[INFO] [stdout]     |     ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__insert` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     const X: [i32; 58] = ary![1, in [2; 40], in Z, in [3; 2] =>
[INFO] [stdout]     |  ________________________-
[INFO] [stdout] 128 | |     30..40: |i| -(i as i32),
[INFO] [stdout] 129 | |     40: -1000,
[INFO] [stdout] 130 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 329 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__mark_init` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     const X: [i32; 58] = ary![1, in [2; 40], in Z, in [3; 2] =>
[INFO] [stdout]     |  ________________________-
[INFO] [stdout] 128 | |     30..40: |i| -(i as i32),
[INFO] [stdout] 129 | |     40: -1000,
[INFO] [stdout] 130 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 329 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__mark_init` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     const X: [i32; 58] = ary![1, in [2; 40], in Z, in [3; 2] =>
[INFO] [stdout]     |  ________________________-
[INFO] [stdout] 128 | |     30..40: |i| -(i as i32),
[INFO] [stdout] 129 | |     40: -1000,
[INFO] [stdout] 130 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 356 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__insert` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     const X: [i32; 58] = ary![1, in [2; 40], in Z, in [3; 2] =>
[INFO] [stdout]     |  ________________________-
[INFO] [stdout] 128 | |     30..40: |i| -(i as i32),
[INFO] [stdout] 129 | |     40: -1000,
[INFO] [stdout] 130 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 356 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__insert` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     const Y: &[u8] = &ary![0; 32 =>
[INFO] [stdout]     |  _____________________-
[INFO] [stdout] 142 | |     5.._: "a string!".as_bytes(),
[INFO] [stdout] 143 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 329 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__mark_init` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/lib.rs:356:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     const Y: &[u8] = &ary![0; 32 =>
[INFO] [stdout]     |  _____________________-
[INFO] [stdout] 142 | |     5.._: "a string!".as_bytes(),
[INFO] [stdout] 143 | |   ];
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout] ...
[INFO] [stdout] 356 |       i - start
[INFO] [stdout]     |       ^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__ary__insert` which comes from the expansion of the macro `ary` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 356 |     let _ = i - start;
[INFO] [stdout]     |     +++++++          +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "18e0fc860d4d52d050fdf5d35e969053daf5470e474e79b3ccb03d6decf6143c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e0fc860d4d52d050fdf5d35e969053daf5470e474e79b3ccb03d6decf6143c", kill_on_drop: false }`
[INFO] [stdout] 18e0fc860d4d52d050fdf5d35e969053daf5470e474e79b3ccb03d6decf6143c
