[INFO] fetching crate bnf_sampler 0.3.5...
[INFO] checking bnf_sampler-0.3.5 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate bnf_sampler 0.3.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bnf_sampler 0.3.5 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bnf_sampler 0.3.5
[INFO] finished tweaking crates.io crate bnf_sampler 0.3.5
[INFO] tweaked toml for crates.io crate bnf_sampler 0.3.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded nohash-hasher v0.2.0
[INFO] [stderr]   Downloaded bnf v0.5.0
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded qp-trie v0.8.2
[INFO] [stderr]   Downloaded mimalloc v0.1.39
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75f94c06fe9c4882e5808fcdbf01545d5a9d466a89bb616a8327b81769bc13d8
[INFO] running `Command { std: "docker" "start" "-a" "75f94c06fe9c4882e5808fcdbf01545d5a9d466a89bb616a8327b81769bc13d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75f94c06fe9c4882e5808fcdbf01545d5a9d466a89bb616a8327b81769bc13d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f94c06fe9c4882e5808fcdbf01545d5a9d466a89bb616a8327b81769bc13d8", kill_on_drop: false }`
[INFO] [stdout] 75f94c06fe9c4882e5808fcdbf01545d5a9d466a89bb616a8327b81769bc13d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 239c49cb9d23ff34080dccdd66fa8b2cd9bdfeca7c8523b54a81195bd449bd0b
[INFO] running `Command { std: "docker" "start" "-a" "239c49cb9d23ff34080dccdd66fa8b2cd9bdfeca7c8523b54a81195bd449bd0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling anyhow v1.0.76
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking qp-trie v0.8.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.35
[INFO] [stderr]     Checking mimalloc v0.1.39
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking bnf v0.5.0
[INFO] [stderr]     Checking bnf_sampler v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::utils::SliceU8Wrapper`
[INFO] [stdout]   --> src/sampler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::SliceU8Wrapper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::SliceU8Wrapper`
[INFO] [stdout]   --> src/sampler.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::utils::SliceU8Wrapper;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/sampler.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]   --> src/sampler.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::cmp;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/sampler.rs:260:33
[INFO] [stdout]     |
[INFO] [stdout] 260 | ...                   let now = Instant::now();
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/sampler.rs:260:33
[INFO] [stdout]     |
[INFO] [stdout] 260 | ...                   let now = Instant::now();
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "239c49cb9d23ff34080dccdd66fa8b2cd9bdfeca7c8523b54a81195bd449bd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "239c49cb9d23ff34080dccdd66fa8b2cd9bdfeca7c8523b54a81195bd449bd0b", kill_on_drop: false }`
[INFO] [stdout] 239c49cb9d23ff34080dccdd66fa8b2cd9bdfeca7c8523b54a81195bd449bd0b
