[INFO] fetching crate veb-tree 0.1.0...
[INFO] checking veb-tree-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate veb-tree 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate veb-tree 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate veb-tree 0.1.0
[INFO] finished tweaking crates.io crate veb-tree 0.1.0
[INFO] tweaked toml for crates.io crate veb-tree 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 137 packages to latest compatible versions
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[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpp_demangle v0.4.4
[INFO] [stderr]   Downloaded findshlibs v0.10.2
[INFO] [stderr]   Downloaded symbolic-common v10.2.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f18c7467afdeda804ee6b4e63189a3ea29136707da8e2cbacdf85f483207cd0
[INFO] running `Command { std: "docker" "start" "-a" "8f18c7467afdeda804ee6b4e63189a3ea29136707da8e2cbacdf85f483207cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f18c7467afdeda804ee6b4e63189a3ea29136707da8e2cbacdf85f483207cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f18c7467afdeda804ee6b4e63189a3ea29136707da8e2cbacdf85f483207cd0", kill_on_drop: false }`
[INFO] [stdout] 8f18c7467afdeda804ee6b4e63189a3ea29136707da8e2cbacdf85f483207cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d67f9af804f7705de1d53b3205691f8cd1bcabc3b22f6f66ac7660f6ca70c092
[INFO] running `Command { std: "docker" "start" "-a" "d67f9af804f7705de1d53b3205691f8cd1bcabc3b22f6f66ac7660f6ca70c092", kill_on_drop: false }`
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[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking veb-tree v0.1.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unused imports: `ByteCollectionMarker`, `GenericArrayMarker`, and `VecDequeMarker`
[INFO] [stdout]   --> benches/random/main.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     bitset::{ByteCollectionMarker, ByteSetMarker, VecDequeMarker},
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^                 ^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     collection::{
[INFO] [stdout] 15 |         array::{ArrayTreeCollectionMarker, GenericArrayMarker},
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `key::MaybeBorrowed`
[INFO] [stdout]    --> src/bitset/map/mod.rs:304:45
[INFO] [stdout]     |
[INFO] [stdout] 304 |     use crate::{collection::TreeCollection, key::MaybeBorrowed, VebTree};
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `U32Tree` is never used
[INFO] [stdout]    --> src/tree.rs:712:14
[INFO] [stdout]     |
[INFO] [stdout] 712 |         type U32Tree = Tree<
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.99s
[INFO] running `Command { std: "docker" "inspect" "d67f9af804f7705de1d53b3205691f8cd1bcabc3b22f6f66ac7660f6ca70c092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67f9af804f7705de1d53b3205691f8cd1bcabc3b22f6f66ac7660f6ca70c092", kill_on_drop: false }`
[INFO] [stdout] d67f9af804f7705de1d53b3205691f8cd1bcabc3b22f6f66ac7660f6ca70c092