[INFO] fetching crate ufe_abe 0.0.2...
[INFO] checking ufe_abe-0.0.2 against beta for pr-78714
[INFO] extracting crate ufe_abe 0.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ufe_abe 0.0.2 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 ufe_abe 0.0.2
[INFO] finished tweaking crates.io crate ufe_abe 0.0.2
[INFO] tweaked toml for crates.io crate ufe_abe 0.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate ufe_abe 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 2fea49ab0b5ec74ea73348b1be6e7eed67c31e8cbc8e9935bdd8b2ebd3f3a4c0
[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" "2fea49ab0b5ec74ea73348b1be6e7eed67c31e8cbc8e9935bdd8b2ebd3f3a4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fea49ab0b5ec74ea73348b1be6e7eed67c31e8cbc8e9935bdd8b2ebd3f3a4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fea49ab0b5ec74ea73348b1be6e7eed67c31e8cbc8e9935bdd8b2ebd3f3a4c0", kill_on_drop: false }`
[INFO] [stdout] 2fea49ab0b5ec74ea73348b1be6e7eed67c31e8cbc8e9935bdd8b2ebd3f3a4c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7c6758119fde697a36a4a78747dd2c46c3b4ccefc60f67007157a2fcc20b3b09
[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" "7c6758119fde697a36a4a78747dd2c46c3b4ccefc60f67007157a2fcc20b3b09", kill_on_drop: false }`
[INFO] [stderr]     Checking inplace_it v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking wgpu-types v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking spirv_headers v1.4.2
[INFO] [stderr]     Checking pbr v1.0.3
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking naga v0.2.0
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking gfx-memory v0.2.0
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking gfx-backend-vulkan v0.6.1
[INFO] [stderr]     Checking wgpu-core v0.6.0
[INFO] [stderr]     Checking wgpu v0.6.0
[INFO] [stderr]     Checking ufe_abe v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_power_two_sizes`
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn get_power_two_sizes(max_power: u32) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_power_two_sizes`
[INFO] [stdout]   --> src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn get_power_two_sizes(max_power: u32) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.90s
[INFO] running `Command { std: "docker" "inspect" "7c6758119fde697a36a4a78747dd2c46c3b4ccefc60f67007157a2fcc20b3b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6758119fde697a36a4a78747dd2c46c3b4ccefc60f67007157a2fcc20b3b09", kill_on_drop: false }`
[INFO] [stdout] 7c6758119fde697a36a4a78747dd2c46c3b4ccefc60f67007157a2fcc20b3b09