[INFO] fetching crate coupe 0.1.0...
[INFO] checking coupe-0.1.0 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] extracting crate coupe 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate coupe 0.1.0
[INFO] finished tweaking crates.io crate coupe 0.1.0
[INFO] tweaked toml for crates.io crate coupe 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate coupe 0.1.0 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate coupe 0.1.0 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 10382121e838cbdc6e9a35cfb804ab6641d7e23506ddb178d60f31609b994991
[INFO] running `Command { std: "docker" "start" "10382121e838cbdc6e9a35cfb804ab6641d7e23506ddb178d60f31609b994991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10382121e838cbdc6e9a35cfb804ab6641d7e23506ddb178d60f31609b994991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "10382121e838cbdc6e9a35cfb804ab6641d7e23506ddb178d60f31609b994991" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10382121e838cbdc6e9a35cfb804ab6641d7e23506ddb178d60f31609b994991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "10382121e838cbdc6e9a35cfb804ab6641d7e23506ddb178d60f31609b994991" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v1.0.77
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[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking itertools v0.10.1
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[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking wide v0.7.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
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[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking sprs v0.11.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
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[INFO] [stderr]    Compiling serde_derive v1.0.130
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[INFO] [stderr]     Checking tracing-chrome v0.4.0
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking coupe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `hilbert` is never read
[INFO] [stdout]   --> src/algorithms/k_means.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct BalancedKmeansSettings {
[INFO] [stdout]    |            ---------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub hilbert: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BalancedKmeansSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hilbert` is never read
[INFO] [stdout]   --> src/algorithms/k_means.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct BalancedKmeansSettings {
[INFO] [stdout]    |            ---------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub hilbert: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BalancedKmeansSettings` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "10382121e838cbdc6e9a35cfb804ab6641d7e23506ddb178d60f31609b994991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10382121e838cbdc6e9a35cfb804ab6641d7e23506ddb178d60f31609b994991", kill_on_drop: false }`
[INFO] [stdout] 10382121e838cbdc6e9a35cfb804ab6641d7e23506ddb178d60f31609b994991
