[INFO] cloning repository https://github.com/Seeker14491/bbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Seeker14491/bbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeeker14491%2Fbbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeeker14491%2Fbbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9364d2e48dcb1c011a40d618d9e4c07552650c52
[INFO] checking Seeker14491/bbrot against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSeeker14491%2Fbbrot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Seeker14491/bbrot on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Seeker14491/bbrot
[INFO] finished tweaking git repo https://github.com/Seeker14491/bbrot
[INFO] tweaked toml for git repo https://github.com/Seeker14491/bbrot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Seeker14491/bbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.6.0
[INFO] [stderr]   Downloaded clap v2.25.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f3e9bcdf841924eb7432f272869268ec15d103fc0aa24a67e88c94e16d6b1d5
[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" "1f3e9bcdf841924eb7432f272869268ec15d103fc0aa24a67e88c94e16d6b1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f3e9bcdf841924eb7432f272869268ec15d103fc0aa24a67e88c94e16d6b1d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3e9bcdf841924eb7432f272869268ec15d103fc0aa24a67e88c94e16d6b1d5", kill_on_drop: false }`
[INFO] [stdout] 1f3e9bcdf841924eb7432f272869268ec15d103fc0aa24a67e88c94e16d6b1d5
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b5623b8df1c16d9438082444ee51311fe20d3b8a9a55785e2d87aac15668574
[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" "8b5623b8df1c16d9438082444ee51311fe20d3b8a9a55785e2d87aac15668574", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking deflate v0.7.11
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.6.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-complex v0.1.38
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking clap v2.25.0
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]     Checking num-bigint v0.1.39
[INFO] [stderr]     Checking png v0.8.0
[INFO] [stderr]     Checking num-rational v0.1.38
[INFO] [stderr]     Checking rayon-core v1.2.1
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking rayon v0.8.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.14.0
[INFO] [stderr]     Checking bbrot-lib v0.0.1 (/opt/rustwide/workdir/bbrot-lib)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> bbrot-lib/src/path_iterator/mod.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     (q * (q + c.re - one_quarter) < one_quarter * c.im.powi(2))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> bbrot-lib/src/path_iterator/mod.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     ((c.re + T::one()).powi(2) + c.im.powi(2) < FromPrimitive::from_f64(1.0 / 16.0).unwrap())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> bbrot-lib/src/bucket_field/nonatomic_bucket_field.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(width: usize, height: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> bbrot-lib/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait, integer_atomics, try_from)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> bbrot-lib/src/lib.rs:1:54
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(conservative_impl_trait, integer_atomics, try_from)]
[INFO] [stdout]   |                                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking bbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.86s
[INFO] running `Command { std: "docker" "inspect" "8b5623b8df1c16d9438082444ee51311fe20d3b8a9a55785e2d87aac15668574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5623b8df1c16d9438082444ee51311fe20d3b8a9a55785e2d87aac15668574", kill_on_drop: false }`
[INFO] [stdout] 8b5623b8df1c16d9438082444ee51311fe20d3b8a9a55785e2d87aac15668574