[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 10)
[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 11)
[INFO] cloning repository https://github.com/dzamkov/diffvec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dzamkov/diffvec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff33be1db8a8ecf4f8bfcdefed4297e9b82afade
[INFO] checking dzamkov/diffvec against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdzamkov%2Fdiffvec" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dzamkov/diffvec on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dzamkov/diffvec
[INFO] finished tweaking git repo https://github.com/dzamkov/diffvec
[INFO] tweaked toml for git repo https://github.com/dzamkov/diffvec written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dzamkov/diffvec 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" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/dzamkov/serdere`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded astro-float-macro v0.4.4
[INFO] [stderr]   Downloaded astro-float v0.9.4
[INFO] [stderr]   Downloaded astro-float-num v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d74ad644f06fcb2b5df91708204de3fe6d9d74ed90663677ab9f40bfd5e2670
[INFO] running `Command { std: "docker" "start" "-a" "9d74ad644f06fcb2b5df91708204de3fe6d9d74ed90663677ab9f40bfd5e2670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d74ad644f06fcb2b5df91708204de3fe6d9d74ed90663677ab9f40bfd5e2670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d74ad644f06fcb2b5df91708204de3fe6d9d74ed90663677ab9f40bfd5e2670", kill_on_drop: false }`
[INFO] [stdout] 9d74ad644f06fcb2b5df91708204de3fe6d9d74ed90663677ab9f40bfd5e2670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cf4a6d183cf070959d98d682e1d82899eed8b7ccb1374d61f1e8bf0b324f8e2
[INFO] running `Command { std: "docker" "start" "-a" "5cf4a6d183cf070959d98d682e1d82899eed8b7ccb1374d61f1e8bf0b324f8e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.98
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling astro-float-num v0.3.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking diffvec-derive v0.1.0 (/opt/rustwide/workdir/derive)
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking diffvec v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]    Compiling astro-float-macro v0.4.4
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> core/src/poly.rs:475:9
[INFO] [stdout]     |
[INFO] [stdout] 475 |         input: &PolyN<In, A, Rem>,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `accum`
[INFO] [stdout]    --> core/src/poly.rs:476:9
[INFO] [stdout]     |
[INFO] [stdout] 476 |         accum: &mut Accum,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_accum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> core/src/poly.rs:477:9
[INFO] [stdout]     |
[INFO] [stdout] 477 |         f: impl Copy + Fn(&Self::Out, Scalar, &mut Accum),
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> core/src/diff.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |         input: &Diff<Poly, A>,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `accum`
[INFO] [stdout]    --> core/src/diff.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         accum: &mut Accum,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_accum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> core/src/diff.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         f: impl Copy + Fn(&Self::Out, Scalar, &mut Accum),
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> core/src/diff.rs:343:29
[INFO] [stdout]     |
[INFO] [stdout] 343 |     fn map_new<Out: Vector>(f: impl Copy + Fn(&Self) -> Out) -> Map<Self, Out> {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]    --> core/src/diff.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         map: &Map<Self, A>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> core/src/diff.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |         target: &mut Map<Self, B>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> core/src/diff.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 |         f: impl Copy + Fn(&A, &mut B),
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking astro-float v0.9.4
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> core/src/poly.rs:475:9
[INFO] [stdout]     |
[INFO] [stdout] 475 |         input: &PolyN<In, A, Rem>,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `accum`
[INFO] [stdout]    --> core/src/poly.rs:476:9
[INFO] [stdout]     |
[INFO] [stdout] 476 |         accum: &mut Accum,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_accum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> core/src/poly.rs:477:9
[INFO] [stdout]     |
[INFO] [stdout] 477 |         f: impl Copy + Fn(&Self::Out, Scalar, &mut Accum),
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> core/src/diff.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |         input: &Diff<Poly, A>,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `accum`
[INFO] [stdout]    --> core/src/diff.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         accum: &mut Accum,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_accum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> core/src/diff.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         f: impl Copy + Fn(&Self::Out, Scalar, &mut Accum),
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> core/src/diff.rs:343:29
[INFO] [stdout]     |
[INFO] [stdout] 343 |     fn map_new<Out: Vector>(f: impl Copy + Fn(&Self) -> Out) -> Map<Self, Out> {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]    --> core/src/diff.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         map: &Map<Self, A>,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> core/src/diff.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |         target: &mut Map<Self, B>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> core/src/diff.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 |         f: impl Copy + Fn(&A, &mut B),
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `Command { std: "docker" "inspect" "5cf4a6d183cf070959d98d682e1d82899eed8b7ccb1374d61f1e8bf0b324f8e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf4a6d183cf070959d98d682e1d82899eed8b7ccb1374d61f1e8bf0b324f8e2", kill_on_drop: false }`
[INFO] [stdout] 5cf4a6d183cf070959d98d682e1d82899eed8b7ccb1374d61f1e8bf0b324f8e2