[INFO] fetching crate beetle-fraction 0.3.4... [INFO] checking beetle-fraction-0.3.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate beetle-fraction 0.3.4 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate beetle-fraction 0.3.4 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate beetle-fraction 0.3.4 [INFO] finished tweaking crates.io crate beetle-fraction 0.3.4 [INFO] tweaked toml for crates.io crate beetle-fraction 0.3.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 25 packages [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num v0.4.1 [INFO] [stderr] Downloaded floating-cat v0.1.0 [INFO] [stderr] Downloaded digitize v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b1ff1c6755a51461a7245a00c60b4b144687c32c95e765eadb880e001885df15 [INFO] running `Command { std: "docker" "start" "-a" "b1ff1c6755a51461a7245a00c60b4b144687c32c95e765eadb880e001885df15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1ff1c6755a51461a7245a00c60b4b144687c32c95e765eadb880e001885df15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1ff1c6755a51461a7245a00c60b4b144687c32c95e765eadb880e001885df15", kill_on_drop: false }` [INFO] [stdout] b1ff1c6755a51461a7245a00c60b4b144687c32c95e765eadb880e001885df15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28f81c61b85baacbe6e4b9a845bd69b2dedb3f6824d4563bad85a9f74f0900ab [INFO] running `Command { std: "docker" "start" "-a" "28f81c61b85baacbe6e4b9a845bd69b2dedb3f6824d4563bad85a9f74f0900ab", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking digitize v0.1.1 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking floating-cat v0.1.0 [INFO] [stderr] Checking beetle-fraction v0.3.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `IsFraction` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `IsFraction` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `MakeMe` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `MakeMe` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Mediant` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:41 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `Mediant` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::macros::*` [INFO] [stdout] --> src/lib.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | pub use crate::macros::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IsFraction` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `IsFraction` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `MakeMe` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `MakeMe` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Mediant` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:41 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `Mediant` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::macros::*` [INFO] [stdout] --> src/lib.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | pub use crate::macros::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.86s [INFO] running `Command { std: "docker" "inspect" "28f81c61b85baacbe6e4b9a845bd69b2dedb3f6824d4563bad85a9f74f0900ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28f81c61b85baacbe6e4b9a845bd69b2dedb3f6824d4563bad85a9f74f0900ab", kill_on_drop: false }` [INFO] [stdout] 28f81c61b85baacbe6e4b9a845bd69b2dedb3f6824d4563bad85a9f74f0900ab [INFO] checking beetle-fraction-0.3.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate beetle-fraction 0.3.4 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate beetle-fraction 0.3.4 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate beetle-fraction 0.3.4 [INFO] finished tweaking crates.io crate beetle-fraction 0.3.4 [INFO] tweaked toml for crates.io crate beetle-fraction 0.3.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 25 packages [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d261367b33001aad97c709cc05fbb22e67e717bdbd8a8b4b9c84733df3d08e80 [INFO] running `Command { std: "docker" "start" "-a" "d261367b33001aad97c709cc05fbb22e67e717bdbd8a8b4b9c84733df3d08e80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d261367b33001aad97c709cc05fbb22e67e717bdbd8a8b4b9c84733df3d08e80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d261367b33001aad97c709cc05fbb22e67e717bdbd8a8b4b9c84733df3d08e80", kill_on_drop: false }` [INFO] [stdout] d261367b33001aad97c709cc05fbb22e67e717bdbd8a8b4b9c84733df3d08e80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1dca731e1f23fe8826bec2b9e3148839358640a1f857a01c0c0a420c3fdded5 [INFO] running `Command { std: "docker" "start" "-a" "b1dca731e1f23fe8826bec2b9e3148839358640a1f857a01c0c0a420c3fdded5", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking digitize v0.1.1 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking floating-cat v0.1.0 [INFO] [stderr] Checking beetle-fraction v0.3.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `IsFraction` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `IsFraction` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `MakeMe` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `MakeMe` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Mediant` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:41 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `Mediant` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::macros::*` [INFO] [stdout] --> src/lib.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | pub use crate::macros::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IsFraction` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:21 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `IsFraction` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `MakeMe` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:33 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `MakeMe` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Mediant` is imported redundantly [INFO] [stdout] --> src/fraction.rs:6:41 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `Mediant` is already imported here [INFO] [stdout] 6 | use crate::traits::{IsFraction, MakeMe, Mediant}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::macros::*` [INFO] [stdout] --> src/lib.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | pub use crate::macros::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.87s [INFO] running `Command { std: "docker" "inspect" "b1dca731e1f23fe8826bec2b9e3148839358640a1f857a01c0c0a420c3fdded5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1dca731e1f23fe8826bec2b9e3148839358640a1f857a01c0c0a420c3fdded5", kill_on_drop: false }` [INFO] [stdout] b1dca731e1f23fe8826bec2b9e3148839358640a1f857a01c0c0a420c3fdded5