[INFO] fetching crate timely_sort 0.1.6...
[INFO] checking timely_sort-0.1.6 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate timely_sort 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate timely_sort 0.1.6 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate timely_sort 0.1.6
[INFO] finished tweaking crates.io crate timely_sort 0.1.6
[INFO] tweaked toml for crates.io crate timely_sort 0.1.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 072562acb34471f38ece8edb875d5400d7ad1023c87cc6fc2fb7ce81fa039ae8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "072562acb34471f38ece8edb875d5400d7ad1023c87cc6fc2fb7ce81fa039ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "072562acb34471f38ece8edb875d5400d7ad1023c87cc6fc2fb7ce81fa039ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072562acb34471f38ece8edb875d5400d7ad1023c87cc6fc2fb7ce81fa039ae8", kill_on_drop: false }`
[INFO] [stdout] 072562acb34471f38ece8edb875d5400d7ad1023c87cc6fc2fb7ce81fa039ae8
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 417613c1437e245d9cdd0c965b86269778f370bf47108a59d9de4c3681eb625a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "417613c1437e245d9cdd0c965b86269778f370bf47108a59d9de4c3681eb625a", kill_on_drop: false }`
[INFO] [stderr]     Checking timely_sort v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/msb.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / macro_rules! per_cache_line {
[INFO] [stdout] 23 | |     ($t:ty) => {{ ::std::cmp::min(64 / ::std::mem::size_of::<$t>(), 4) }}
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/msb.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | / macro_rules! lines_per_page {
[INFO] [stdout] 27 | |     () => {{ 1024 }}
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/msb.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / macro_rules! per_cache_line {
[INFO] [stdout] 23 | |     ($t:ty) => {{ ::std::cmp::min(64 / ::std::mem::size_of::<$t>(), 4) }}
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/msb.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | / macro_rules! lines_per_page {
[INFO] [stdout] 27 | |     () => {{ 1024 }}
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "417613c1437e245d9cdd0c965b86269778f370bf47108a59d9de4c3681eb625a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417613c1437e245d9cdd0c965b86269778f370bf47108a59d9de4c3681eb625a", kill_on_drop: false }`
[INFO] [stdout] 417613c1437e245d9cdd0c965b86269778f370bf47108a59d9de4c3681eb625a