[INFO] fetching crate math_thingies 0.1.0...
[INFO] checking math_thingies-0.1.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate math_thingies 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate math_thingies 0.1.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate math_thingies 0.1.0
[INFO] finished tweaking crates.io crate math_thingies 0.1.0
[INFO] tweaked toml for crates.io crate math_thingies 0.1.0 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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a73e393df8aa965890b783ee02881a08e7b488f9b8afb33c28f942a460a305d
[INFO] running `Command { std: "docker" "start" "-a" "9a73e393df8aa965890b783ee02881a08e7b488f9b8afb33c28f942a460a305d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a73e393df8aa965890b783ee02881a08e7b488f9b8afb33c28f942a460a305d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a73e393df8aa965890b783ee02881a08e7b488f9b8afb33c28f942a460a305d", kill_on_drop: false }`
[INFO] [stdout] 9a73e393df8aa965890b783ee02881a08e7b488f9b8afb33c28f942a460a305d
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f39c73caed77a9082a8563c7f9f4cc323c641df9f70d524328f03ec181fff0a2
[INFO] running `Command { std: "docker" "start" "-a" "f39c73caed77a9082a8563c7f9f4cc323c641df9f70d524328f03ec181fff0a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking math_thingies v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Div`, `Mul`
[INFO] [stdout]  --> src/math.rs:4:47
[INFO] [stdout]   |
[INFO] [stdout] 4 |         ops::{Add, AddAssign, Sub, SubAssign, Div, Mul, Range},
[INFO] [stdout]   |                                               ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Div`, `Mul`
[INFO] [stdout]  --> src/math.rs:4:47
[INFO] [stdout]   |
[INFO] [stdout] 4 |         ops::{Add, AddAssign, Sub, SubAssign, Div, Mul, Range},
[INFO] [stdout]   |                                               ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `end`, `new`, and `new_unchecked` are never used
[INFO] [stdout]   --> src/math.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<V: CopyPartOrdNum + NumCast + ToPrimitive> InUnsignedRange<V> {
[INFO] [stdout]    | ------------------------------------------------------------------ associated items in this implementation
[INFO] [stdout] 59 |     const START: u8 = 0;
[INFO] [stdout] 60 |     fn end(&self) -> V { self.end }
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 61 |     fn new(value: V, end: V) -> Result<Self, ()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn new_unchecked(value: V, end: V) -> Self { Self::new(value, end).unwrap() }
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `end`, `new`, and `new_unchecked` are never used
[INFO] [stdout]   --> src/math.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<V: CopyPartOrdNum + NumCast + ToPrimitive> InUnsignedRange<V> {
[INFO] [stdout]    | ------------------------------------------------------------------ associated items in this implementation
[INFO] [stdout] 59 |     const START: u8 = 0;
[INFO] [stdout] 60 |     fn end(&self) -> V { self.end }
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 61 |     fn new(value: V, end: V) -> Result<Self, ()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn new_unchecked(value: V, end: V) -> Self { Self::new(value, end).unwrap() }
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "f39c73caed77a9082a8563c7f9f4cc323c641df9f70d524328f03ec181fff0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39c73caed77a9082a8563c7f9f4cc323c641df9f70d524328f03ec181fff0a2", kill_on_drop: false }`
[INFO] [stdout] f39c73caed77a9082a8563c7f9f4cc323c641df9f70d524328f03ec181fff0a2
[INFO] checking math_thingies-0.1.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate math_thingies 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate math_thingies 0.1.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate math_thingies 0.1.0
[INFO] finished tweaking crates.io crate math_thingies 0.1.0
[INFO] tweaked toml for crates.io crate math_thingies 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f71c5209b1d7cb49d11a4aa83f8816282434173c9cf872d8a14a05bb116eaa13
[INFO] running `Command { std: "docker" "start" "-a" "f71c5209b1d7cb49d11a4aa83f8816282434173c9cf872d8a14a05bb116eaa13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f71c5209b1d7cb49d11a4aa83f8816282434173c9cf872d8a14a05bb116eaa13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71c5209b1d7cb49d11a4aa83f8816282434173c9cf872d8a14a05bb116eaa13", kill_on_drop: false }`
[INFO] [stdout] f71c5209b1d7cb49d11a4aa83f8816282434173c9cf872d8a14a05bb116eaa13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c272149bf90cf08e893b34936def588b912cebdde52303f9eac78991001ec414
[INFO] running `Command { std: "docker" "start" "-a" "c272149bf90cf08e893b34936def588b912cebdde52303f9eac78991001ec414", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking math_thingies v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Div`, `Mul`
[INFO] [stdout]  --> src/math.rs:4:47
[INFO] [stdout]   |
[INFO] [stdout] 4 |         ops::{Add, AddAssign, Sub, SubAssign, Div, Mul, Range},
[INFO] [stdout]   |                                               ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Div`, `Mul`
[INFO] [stdout]  --> src/math.rs:4:47
[INFO] [stdout]   |
[INFO] [stdout] 4 |         ops::{Add, AddAssign, Sub, SubAssign, Div, Mul, Range},
[INFO] [stdout]   |                                               ^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/math.rs:62:36
[INFO] [stdout]    |
[INFO] [stdout] 62 |         Self::is_in_range(value, &(NumCast::from(Self::START).unwrap()..end)).as_result(Self {value, end}, ())
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/math.rs:69:35
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn range(&self) -> Range<V> { NumCast::from(Self::START).unwrap()..self.end }
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/math.rs:91:64
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl InConstRange<i16> for Percent { const RANGE: Range<i16> = -99..100; }
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/math.rs:62:36
[INFO] [stdout]    |
[INFO] [stdout] 62 |         Self::is_in_range(value, &(NumCast::from(Self::START).unwrap()..end)).as_result(Self {value, end}, ())
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/math.rs:69:35
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn range(&self) -> Range<V> { NumCast::from(Self::START).unwrap()..self.end }
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/math.rs:91:64
[INFO] [stdout]    |
[INFO] [stdout] 91 | impl InConstRange<i16> for Percent { const RANGE: Range<i16> = -99..100; }
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `end`, `new`, and `new_unchecked` are never used
[INFO] [stdout]   --> src/math.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<V: CopyPartOrdNum + NumCast + ToPrimitive> InUnsignedRange<V> {
[INFO] [stdout]    | ------------------------------------------------------------------ associated items in this implementation
[INFO] [stdout] 59 |     const START: u8 = 0;
[INFO] [stdout] 60 |     fn end(&self) -> V { self.end }
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 61 |     fn new(value: V, end: V) -> Result<Self, ()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn new_unchecked(value: V, end: V) -> Self { Self::new(value, end).unwrap() }
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]   --> src/math.rs:18:38
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn is_in_range(value: V, range: &Range<V>) -> bool { value >= range.start || value <= range.end }
[INFO] [stdout]    |                                      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D explicit-range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]   --> src/math.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(value: V, range: Range<V>) -> Result<Self, ()> {
[INFO] [stdout]    |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]   --> src/math.rs:37:43
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn new_unchecked(value: V, range: Range<V>) -> Self { Self::new(value, range).unwrap() }
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/math.rs:168:44
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub fn saturating<T: Ord>(value: T, range: Range<T>) -> T { max(min(value, range.end), range.start) }
[INFO] [stdout]     |                                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `end`, `new`, and `new_unchecked` are never used
[INFO] [stdout]   --> src/math.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl<V: CopyPartOrdNum + NumCast + ToPrimitive> InUnsignedRange<V> {
[INFO] [stdout]    | ------------------------------------------------------------------ associated items in this implementation
[INFO] [stdout] 59 |     const START: u8 = 0;
[INFO] [stdout] 60 |     fn end(&self) -> V { self.end }
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 61 |     fn new(value: V, end: V) -> Result<Self, ()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn new_unchecked(value: V, end: V) -> Self { Self::new(value, end).unwrap() }
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `math_thingies` (lib) due to 5 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c272149bf90cf08e893b34936def588b912cebdde52303f9eac78991001ec414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c272149bf90cf08e893b34936def588b912cebdde52303f9eac78991001ec414", kill_on_drop: false }`
[INFO] [stdout] c272149bf90cf08e893b34936def588b912cebdde52303f9eac78991001ec414
