[INFO] cloning repository https://github.com/elbaro/perceptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elbaro/perceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Fperceptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Fperceptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e07791c29e368b18d8b4f2be7140692c7624f5b
[INFO] checking elbaro/perceptron against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbaro%2Fperceptron" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elbaro/perceptron on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elbaro/perceptron
[INFO] finished tweaking git repo https://github.com/elbaro/perceptron
[INFO] tweaked toml for git repo https://github.com/elbaro/perceptron written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/elbaro/perceptron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gleam v0.6.5
[INFO] [stderr]   Downloaded daggy v0.6.0
[INFO] [stderr]   Downloaded pistoncore-input v0.21.0
[INFO] [stderr]   Downloaded pennereq v0.2.0
[INFO] [stderr]   Downloaded conrod v0.61.1
[INFO] [stderr]   Downloaded rosc v0.1.5
[INFO] [stderr]   Downloaded palette v0.2.1
[INFO] [stderr]   Downloaded conrod_derive v0.1.2
[INFO] [stderr]   Downloaded sample v0.9.1
[INFO] [stderr]   Downloaded nannou v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] e2671dd9b92950fafbfd3b24c769aa59732f1ec94afaf7254fdbf09f9dcde520
[INFO] running `Command { std: "docker" "start" "-a" "e2671dd9b92950fafbfd3b24c769aa59732f1ec94afaf7254fdbf09f9dcde520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2671dd9b92950fafbfd3b24c769aa59732f1ec94afaf7254fdbf09f9dcde520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2671dd9b92950fafbfd3b24c769aa59732f1ec94afaf7254fdbf09f9dcde520", kill_on_drop: false }`
[INFO] [stdout] e2671dd9b92950fafbfd3b24c769aa59732f1ec94afaf7254fdbf09f9dcde520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ea9c0e9a5c9b7bfc4756088c64d8bfa3ae9a3ffd15b80f7c0e7c70b0d84a99
[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" "84ea9c0e9a5c9b7bfc4756088c64d8bfa3ae9a3ffd15b80f7c0e7c70b0d84a99", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking sample v0.9.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking rosc v0.1.5
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking daggy v0.6.0
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking noise v0.4.1
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking rusttype v0.5.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking pennereq v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]    Compiling conrod_derive v0.1.2
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking conrod v0.61.1
[INFO] [stderr]     Checking nannou v0.8.0
[INFO] [stderr]     Checking svm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `Command { std: "docker" "inspect" "84ea9c0e9a5c9b7bfc4756088c64d8bfa3ae9a3ffd15b80f7c0e7c70b0d84a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ea9c0e9a5c9b7bfc4756088c64d8bfa3ae9a3ffd15b80f7c0e7c70b0d84a99", kill_on_drop: false }`
[INFO] [stdout] 84ea9c0e9a5c9b7bfc4756088c64d8bfa3ae9a3ffd15b80f7c0e7c70b0d84a99