[INFO] fetching crate alp 0.0.1...
[INFO] checking alp-0.0.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate alp 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate alp 0.0.1
[INFO] finished tweaking crates.io crate alp 0.0.1
[INFO] tweaked toml for crates.io crate alp 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate alp 0.0.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding fastlanes v0.1.8 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const_for v0.1.5
[INFO] [stderr]   Downloaded fastlanes v0.1.8
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f862a15b7672c3d3fdea072a29a57c691e641ecce3a2d08fc7013f35c62f5a4
[INFO] running `Command { std: "docker" "start" "-a" "7f862a15b7672c3d3fdea072a29a57c691e641ecce3a2d08fc7013f35c62f5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f862a15b7672c3d3fdea072a29a57c691e641ecce3a2d08fc7013f35c62f5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f862a15b7672c3d3fdea072a29a57c691e641ecce3a2d08fc7013f35c62f5a4", kill_on_drop: false }`
[INFO] [stdout] 7f862a15b7672c3d3fdea072a29a57c691e641ecce3a2d08fc7013f35c62f5a4
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af8c00cde99ea7b3a8cf34776ff99c2ef7547e759012568142c0f1ebac78e70d
[INFO] running `Command { std: "docker" "start" "-a" "af8c00cde99ea7b3a8cf34776ff99c2ef7547e759012568142c0f1ebac78e70d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking const_for v0.1.5
[INFO] [stderr]     Checking fastlanes v0.1.8
[INFO] [stderr]     Checking alp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `float_next_up_down` has been stable since 1.86.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(float_next_up_down)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `float_next_up_down` has been stable since 1.86.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(float_next_up_down)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_bit_width`
[INFO] [stdout]    --> src/alp_rd/mod.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let left_bit_width = bit_width!(max_code);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_bit_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PackedVec` is never constructed
[INFO] [stdout]  --> src/alp_rd/bitpack.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct PackedVec<T> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_bit_width`
[INFO] [stdout]    --> src/alp_rd/mod.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let left_bit_width = bit_width!(max_code);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_bit_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PackedVec` is never constructed
[INFO] [stdout]  --> src/alp_rd/bitpack.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct PackedVec<T> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fastlanes_pack` is never used
[INFO] [stdout]   --> src/alp_rd/bitpack.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(crate) fn fastlanes_pack<T: BitPacking>(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fastlanes_unpack` is never used
[INFO] [stdout]   --> src/alp_rd/bitpack.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub(crate) fn fastlanes_unpack<T: BitPacking>(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "af8c00cde99ea7b3a8cf34776ff99c2ef7547e759012568142c0f1ebac78e70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8c00cde99ea7b3a8cf34776ff99c2ef7547e759012568142c0f1ebac78e70d", kill_on_drop: false }`
[INFO] [stdout] af8c00cde99ea7b3a8cf34776ff99c2ef7547e759012568142c0f1ebac78e70d