[INFO] fetching crate ufe_abe 0.0.2...
[INFO] testing ufe_abe-0.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ufe_abe 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ufe_abe 0.0.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-6/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8499cda2ab21326a5e77bb94b30ac0380f47e817f4429fa18e821b281fdb0899
[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" "8499cda2ab21326a5e77bb94b30ac0380f47e817f4429fa18e821b281fdb0899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8499cda2ab21326a5e77bb94b30ac0380f47e817f4429fa18e821b281fdb0899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8499cda2ab21326a5e77bb94b30ac0380f47e817f4429fa18e821b281fdb0899", kill_on_drop: false }`
[INFO] [stdout] 8499cda2ab21326a5e77bb94b30ac0380f47e817f4429fa18e821b281fdb0899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 3a2ee8e7437ebacfddda79432d1b4adcb3b389fcd46135c16f9ecfa8b1414853
[INFO] running `Command { std: "docker" "start" "-a" "3a2ee8e7437ebacfddda79432d1b4adcb3b389fcd46135c16f9ecfa8b1414853", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling inplace_it v0.3.2
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling tracing-core v0.1.14
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling wgpu-types v0.6.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling spirv_headers v1.4.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling gfx-hal v0.6.0
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling pbr v1.0.3
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling simplelog v0.8.0
[INFO] [stderr]    Compiling gfx-descriptor v0.2.0
[INFO] [stderr]    Compiling gfx-memory v0.2.0
[INFO] [stderr]    Compiling gfx-backend-empty v0.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling naga v0.2.0
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling gfx-backend-vulkan v0.6.1
[INFO] [stderr]    Compiling wgpu-core v0.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling wgpu v0.6.0
[INFO] [stderr]    Compiling 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "3a2ee8e7437ebacfddda79432d1b4adcb3b389fcd46135c16f9ecfa8b1414853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2ee8e7437ebacfddda79432d1b4adcb3b389fcd46135c16f9ecfa8b1414853", kill_on_drop: false }`
[INFO] [stdout] 3a2ee8e7437ebacfddda79432d1b4adcb3b389fcd46135c16f9ecfa8b1414853
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be59f82d3c47f90b5e08c9c4c847260af8da55f39ecb3d7c3fa40ad10b131afe
[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" "be59f82d3c47f90b5e08c9c4c847260af8da55f39ecb3d7c3fa40ad10b131afe", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "be59f82d3c47f90b5e08c9c4c847260af8da55f39ecb3d7c3fa40ad10b131afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be59f82d3c47f90b5e08c9c4c847260af8da55f39ecb3d7c3fa40ad10b131afe", kill_on_drop: false }`
[INFO] [stdout] be59f82d3c47f90b5e08c9c4c847260af8da55f39ecb3d7c3fa40ad10b131afe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca403f0e5f322425659370d61897e1d3e22913c366935a144c4f96494a9f3a44
[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" "ca403f0e5f322425659370d61897e1d3e22913c366935a144c4f96494a9f3a44", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `get_power_two_sizes`
[INFO] [stderr]   --> src/main.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn get_power_two_sizes(max_power: u32) -> Vec<usize> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ufe_abe-ea327ff4c255a32f
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca403f0e5f322425659370d61897e1d3e22913c366935a144c4f96494a9f3a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca403f0e5f322425659370d61897e1d3e22913c366935a144c4f96494a9f3a44", kill_on_drop: false }`
[INFO] [stdout] ca403f0e5f322425659370d61897e1d3e22913c366935a144c4f96494a9f3a44