[INFO] fetching crate brumby 0.5.0...
[INFO] checking brumby-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate brumby 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate brumby 0.5.0 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 brumby 0.5.0
[INFO] finished tweaking crates.io crate brumby 0.5.0
[INFO] tweaked toml for crates.io crate brumby 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate brumby 0.5.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.11.1
[INFO] [stderr]   Downloaded serde v1.0.189
[INFO] [stderr]   Downloaded nalgebra-macros v0.2.1
[INFO] [stderr]   Downloaded tinyrand-alloc v0.5.0
[INFO] [stderr]   Downloaded ordinalizer v0.1.0
[INFO] [stderr]   Downloaded tinyrand v0.5.0
[INFO] [stderr]   Downloaded assert_float_eq v1.1.3
[INFO] [stderr]   Downloaded serde_derive v1.0.189
[INFO] [stderr]   Downloaded num-complex v0.4.4
[INFO] [stderr]   Downloaded simba v0.8.1
[INFO] [stderr]   Downloaded wide v0.7.13
[INFO] [stderr]   Downloaded serde_json v1.0.107
[INFO] [stderr]   Downloaded nalgebra v0.32.3
[INFO] [stderr]   Downloaded rustix v0.38.20
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.17
[INFO] [stderr]   Downloaded linregress v0.5.3
[INFO] [stderr]   Downloaded racing_scraper v0.0.8
[INFO] [stderr]   Downloaded stanza v0.3.0
[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] 2c902bcee72cebd8d0f49ce14f3e4db6c3b1e71ef947a068109bd2600021dc15
[INFO] running `Command { std: "docker" "start" "-a" "2c902bcee72cebd8d0f49ce14f3e4db6c3b1e71ef947a068109bd2600021dc15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c902bcee72cebd8d0f49ce14f3e4db6c3b1e71ef947a068109bd2600021dc15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c902bcee72cebd8d0f49ce14f3e4db6c3b1e71ef947a068109bd2600021dc15", kill_on_drop: false }`
[INFO] [stdout] 2c902bcee72cebd8d0f49ce14f3e4db6c3b1e71ef947a068109bd2600021dc15
[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] aa8b6bfb6e710390e6679f559f7655b8f9a52955ea107349aa101d9078a644c9
[INFO] running `Command { std: "docker" "start" "-a" "aa8b6bfb6e710390e6679f559f7655b8f9a52955ea107349aa101d9078a644c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
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[INFO] [stderr]    Compiling num-traits v0.2.17
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[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling serde v1.0.189
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[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]     Checking stanza v0.3.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling rustix v0.38.20
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[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
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[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling futures-macro v0.3.28
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[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking regex v1.10.2
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[INFO] [stderr]     Checking hyper-tls v0.5.0
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[INFO] [stderr]     Checking linregress v0.5.3
[INFO] [stderr]     Checking racing_scraper v0.0.8
[INFO] [stderr]     Checking brumby v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/linear/regression.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/linear/regression.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromStr` is imported redundantly
[INFO] [stdout]    --> src/selection.rs:313:9
[INFO] [stdout]     |
[INFO] [stdout] 313 |     use std::str::FromStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 314 |
[INFO] [stdout] 315 |     use super::*;
[INFO] [stdout]     |         -------- the item `FromStr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning 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 29.05s
[INFO] running `Command { std: "docker" "inspect" "aa8b6bfb6e710390e6679f559f7655b8f9a52955ea107349aa101d9078a644c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8b6bfb6e710390e6679f559f7655b8f9a52955ea107349aa101d9078a644c9", kill_on_drop: false }`
[INFO] [stdout] aa8b6bfb6e710390e6679f559f7655b8f9a52955ea107349aa101d9078a644c9