[INFO] fetching crate nyar-number 0.2.4...
[INFO] checking nyar-number-0.2.4 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate nyar-number 0.2.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nyar-number 0.2.4 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nyar-number 0.2.4
[INFO] finished tweaking crates.io crate nyar-number 0.2.4
[INFO] tweaked toml for crates.io crate nyar-number 0.2.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ea367248b0cdf612f54468d5ffa980f08dfb0e19bbdbcc367b77d72147afe96
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ea367248b0cdf612f54468d5ffa980f08dfb0e19bbdbcc367b77d72147afe96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ea367248b0cdf612f54468d5ffa980f08dfb0e19bbdbcc367b77d72147afe96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea367248b0cdf612f54468d5ffa980f08dfb0e19bbdbcc367b77d72147afe96", kill_on_drop: false }`
[INFO] [stdout] 7ea367248b0cdf612f54468d5ffa980f08dfb0e19bbdbcc367b77d72147afe96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c35970260b94a035f34e73529a17ca14b4e9003552233885f1f589b6474e5ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c35970260b94a035f34e73529a17ca14b4e9003552233885f1f589b6474e5ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking nyar-number v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num::BigInt`
[INFO] [stdout]  --> src/decimal/decimal.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::BigInt;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rem`
[INFO] [stdout]  --> src/integer/types.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Add, Div, Mul, Rem, Sub};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::BigInt`
[INFO] [stdout]  --> src/integer/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use num::BigInt;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::BigInt`
[INFO] [stdout]  --> src/decimal/decimal.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::BigInt;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rem`
[INFO] [stdout]  --> src/integer/types.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Add, Div, Mul, Rem, Sub};
[INFO] [stdout]   |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::BigInt`
[INFO] [stdout]  --> src/integer/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use num::BigInt;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Complex`
[INFO] [stdout]   --> src/complex.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Complex<R: Any, I: Any> = ComplexPair<R, I>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `GaussianInteger`
[INFO] [stdout]   --> src/complex.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type GaussianInteger = ComplexType<BigInt>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Complex32`
[INFO] [stdout]   --> src/complex.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Complex32 = ComplexType<f32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Complex64`
[INFO] [stdout]   --> src/complex.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type Complex64 = ComplexType<f64>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Complex`
[INFO] [stdout]   --> src/complex.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Complex<R: Any, I: Any> = ComplexPair<R, I>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `GaussianInteger`
[INFO] [stdout]   --> src/complex.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub type GaussianInteger = ComplexType<BigInt>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Complex32`
[INFO] [stdout]   --> src/complex.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type Complex32 = ComplexType<f32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Complex64`
[INFO] [stdout]   --> src/complex.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type Complex64 = ComplexType<f64>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.66s
[INFO] running `Command { std: "docker" "inspect" "6c35970260b94a035f34e73529a17ca14b4e9003552233885f1f589b6474e5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c35970260b94a035f34e73529a17ca14b4e9003552233885f1f589b6474e5ed", kill_on_drop: false }`
[INFO] [stdout] 6c35970260b94a035f34e73529a17ca14b4e9003552233885f1f589b6474e5ed