[INFO] fetching crate math_thingies 0.1.0...
[INFO] checking math_thingies-0.1.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate math_thingies 0.1.0 into /workspace/builds/worker-5-tc2/source
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate math_thingies 0.1.0 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 153da090427d472d11314052da31ed69140d9d2f3a83026384850261cbf0b3da
[INFO] running `Command { std: "docker" "start" "-a" "153da090427d472d11314052da31ed69140d9d2f3a83026384850261cbf0b3da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "153da090427d472d11314052da31ed69140d9d2f3a83026384850261cbf0b3da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153da090427d472d11314052da31ed69140d9d2f3a83026384850261cbf0b3da", kill_on_drop: false }`
[INFO] [stdout] 153da090427d472d11314052da31ed69140d9d2f3a83026384850261cbf0b3da
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75166dc91740bfe45bbea4b00a194f10f98f656b740f4d796bc61541f7a74f6b
[INFO] running `Command { std: "docker" "start" "-a" "75166dc91740bfe45bbea4b00a194f10f98f656b740f4d796bc61541f7a74f6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking math_thingies v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Div` and `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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Div` and `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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(associated_type_bounds)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `associated_type_bounds` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(associated_type_bounds)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `InUnsignedRange` is never constructed
[INFO] [stdout]   --> src/math.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct InUnsignedRange<V: CopyPartOrdNum + NumCast + ToPrimitive> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `InUnsignedRange` is never constructed
[INFO] [stdout]   --> src/math.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct InUnsignedRange<V: CopyPartOrdNum + NumCast + ToPrimitive> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `math_thingies` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `math_thingies` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "75166dc91740bfe45bbea4b00a194f10f98f656b740f4d796bc61541f7a74f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75166dc91740bfe45bbea4b00a194f10f98f656b740f4d796bc61541f7a74f6b", kill_on_drop: false }`
[INFO] [stdout] 75166dc91740bfe45bbea4b00a194f10f98f656b740f4d796bc61541f7a74f6b
