[INFO] fetching crate gfa 0.8.0...
[INFO] checking gfa-0.8.0 against beta for pr-78714
[INFO] extracting crate gfa 0.8.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate gfa 0.8.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfa 0.8.0
[INFO] finished tweaking crates.io crate gfa 0.8.0
[INFO] tweaked toml for crates.io crate gfa 0.8.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 07d1e1e43526e3d0adb594e881686b188c993dac68eb20f606d33d4919e09d5c
[INFO] running `Command { std: "docker" "start" "-a" "07d1e1e43526e3d0adb594e881686b188c993dac68eb20f606d33d4919e09d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07d1e1e43526e3d0adb594e881686b188c993dac68eb20f606d33d4919e09d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d1e1e43526e3d0adb594e881686b188c993dac68eb20f606d33d4919e09d5c", kill_on_drop: false }`
[INFO] [stdout] 07d1e1e43526e3d0adb594e881686b188c993dac68eb20f606d33d4919e09d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3ec0b26b9813fd0d8fe9ba641c8ac4b095c4db76012662e0c8841ae4afba2e6
[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" "a3ec0b26b9813fd0d8fe9ba641c8ac4b095c4db76012662e0c8841ae4afba2e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bytemuck_derive v1.0.0
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking gfa v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `parse_lines`
[INFO] [stdout]   --> benches/parsing_benchmark.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_lines<T: OptFields>(input: &[Vec<u8>]) -> GFA<BString, T> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_lines_noopt`
[INFO] [stdout]   --> benches/parsing_benchmark.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn parse_lines_noopt(input: &[Vec<u8>]) -> GFA<BString, ()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_lines_withopt`
[INFO] [stdout]   --> benches/parsing_benchmark.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn parse_lines_withopt(input: &[Vec<u8>]) -> GFA<BString, OptionalFields> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.76s
[INFO] running `Command { std: "docker" "inspect" "a3ec0b26b9813fd0d8fe9ba641c8ac4b095c4db76012662e0c8841ae4afba2e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ec0b26b9813fd0d8fe9ba641c8ac4b095c4db76012662e0c8841ae4afba2e6", kill_on_drop: false }`
[INFO] [stdout] a3ec0b26b9813fd0d8fe9ba641c8ac4b095c4db76012662e0c8841ae4afba2e6