[INFO] crate acacia 0.1.2 is already in cache
[INFO] checking acacia-0.1.2 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate acacia 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate acacia 0.1.2 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate acacia 0.1.2
[INFO] finished tweaking crates.io crate acacia 0.1.2
[INFO] tweaked toml for crates.io crate acacia 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99d8b7a037e7ea53c5777a7f9d272132c1672f93a914d8e6e6de6b5c3768c395
[INFO] running `"docker" "start" "-a" "99d8b7a037e7ea53c5777a7f9d272132c1672f93a914d8e6e6de6b5c3768c395"`
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking nalgebra v0.10.1
[INFO] [stderr]     Checking acacia v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/partition/mod.rs:97:1
[INFO] [stderr]     |
[INFO] [stderr] 97  | / macro_rules! partition_quickcheck (
[INFO] [stderr] 98  | |     ($testfn: ident, $p: ty, $t: ty) => (
[INFO] [stderr] 99  | |         mod $testfn {
[INFO] [stderr] 100 | |             use $crate::partition::{
[INFO] [stderr] ...   |
[INFO] [stderr] 122 | |     )
[INFO] [stderr] 123 | | );
[INFO] [stderr]     | |__^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/partition/unitquad.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         use rand::Rng;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Node`
[INFO] [stderr]    --> src/data_tree.rs:148:29
[INFO] [stderr]     |
[INFO] [stderr] 148 |     use traits::{NodeState, Node, Positioned};
[INFO] [stderr]     |                             ^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.71s
[INFO] running `"docker" "inspect" "99d8b7a037e7ea53c5777a7f9d272132c1672f93a914d8e6e6de6b5c3768c395"`
[INFO] running `"docker" "rm" "-f" "99d8b7a037e7ea53c5777a7f9d272132c1672f93a914d8e6e6de6b5c3768c395"`
[INFO] [stdout] 99d8b7a037e7ea53c5777a7f9d272132c1672f93a914d8e6e6de6b5c3768c395