[INFO] fetching crate hyperloglogplus 0.4.1...
[INFO] checking hyperloglogplus-0.4.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate hyperloglogplus 0.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate hyperloglogplus 0.4.1
[INFO] finished tweaking crates.io crate hyperloglogplus 0.4.1
[INFO] tweaked toml for crates.io crate hyperloglogplus 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hyperloglogplus 0.4.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding siphasher v0.3.11 (available: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc419c70278733feac67f415ec16a88953e77b3dcaafec97d0c84d328c22c880
[INFO] running `Command { std: "docker" "start" "-a" "dc419c70278733feac67f415ec16a88953e77b3dcaafec97d0c84d328c22c880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc419c70278733feac67f415ec16a88953e77b3dcaafec97d0c84d328c22c880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc419c70278733feac67f415ec16a88953e77b3dcaafec97d0c84d328c22c880", kill_on_drop: false }`
[INFO] [stdout] dc419c70278733feac67f415ec16a88953e77b3dcaafec97d0c84d328c22c880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9782b0646fbfd004013c6ee80dce373fa017dfc1abdd6e3933cff603c349627
[INFO] running `Command { std: "docker" "start" "-a" "e9782b0646fbfd004013c6ee80dce373fa017dfc1abdd6e3933cff603c349627", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking hyperloglogplus v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `estimate_raw` is never used
[INFO] [stdout]    --> src/common.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub trait HyperLogLogCommon {
[INFO] [stdout]     |           ----------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn estimate_raw<I>(registers: I, count: usize) -> (f64, usize)
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `estimate_raw` is never used
[INFO] [stdout]    --> src/common.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub trait HyperLogLogCommon {
[INFO] [stdout]     |           ----------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 150 |     fn estimate_raw<I>(registers: I, count: usize) -> (f64, usize)
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DefaultBuildHasher` is never constructed
[INFO] [stdout]    --> src/hyperloglogplus.rs:566:12
[INFO] [stdout]     |
[INFO] [stdout] 566 |     struct DefaultBuildHasher;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.54s
[INFO] running `Command { std: "docker" "inspect" "e9782b0646fbfd004013c6ee80dce373fa017dfc1abdd6e3933cff603c349627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9782b0646fbfd004013c6ee80dce373fa017dfc1abdd6e3933cff603c349627", kill_on_drop: false }`
[INFO] [stdout] e9782b0646fbfd004013c6ee80dce373fa017dfc1abdd6e3933cff603c349627