[INFO] cloning repository https://github.com/Twinklebear/spline-viewer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Twinklebear/spline-viewer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwinklebear%2Fspline-viewer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwinklebear%2Fspline-viewer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e0815290d5a4d78d81723924343e5d15b2b8c9f
[INFO] checking Twinklebear/spline-viewer against try#4d7187a26f9eb7e5000e28e28662298d34d2508f for pr-102474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTwinklebear%2Fspline-viewer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Twinklebear/spline-viewer on toolchain 4d7187a26f9eb7e5000e28e28662298d34d2508f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Twinklebear/spline-viewer
[INFO] finished tweaking git repo https://github.com/Twinklebear/spline-viewer
[INFO] tweaked toml for git repo https://github.com/Twinklebear/spline-viewer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Twinklebear/spline-viewer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3d922c621956c51b34f7c953937a337373f230a0a781608a04b6fd606cc922e
[INFO] running `Command { std: "docker" "start" "-a" "d3d922c621956c51b34f7c953937a337373f230a0a781608a04b6fd606cc922e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3d922c621956c51b34f7c953937a337373f230a0a781608a04b6fd606cc922e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d922c621956c51b34f7c953937a337373f230a0a781608a04b6fd606cc922e", kill_on_drop: false }`
[INFO] [stdout] d3d922c621956c51b34f7c953937a337373f230a0a781608a04b6fd606cc922e
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4d7187a26f9eb7e5000e28e28662298d34d2508f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b2727dc62c650ceace720ddf8dab402a0ce0fe2cc5ef78dae2295fee299aa20
[INFO] running `Command { std: "docker" "start" "-a" "8b2727dc62c650ceace720ddf8dab402a0ce0fe2cc5ef78dae2295fee299aa20", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling tempfile v2.1.5
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling x11-dl v2.13.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]    Compiling imgui-sys v0.0.13
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking cgmath v0.14.0
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.8
[INFO] [stderr]     Checking wayland-kbd v0.6.3
[INFO] [stderr]     Checking wayland-window v0.4.4
[INFO] [stderr]     Checking serde v1.0.2
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking winit v0.5.11
[INFO] [stderr]     Checking arcball v0.2.0
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.1
[INFO] [stderr]     Checking imgui v0.0.13
[INFO] [stderr]     Checking imgui-glium-renderer v0.0.13
[INFO] [stderr]     Checking spline-viewer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bspline.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |               panic!(format!("Invalid number of knots, got {}, expected {}", knots.len(),
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 37 | |                 control_points.len() + degree + 1));
[INFO] [stdout]    | |__________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 36 ~             panic!("Invalid number of knots, got {}, expected {}", knots.len(),
[INFO] [stdout] 37 ~                 control_points.len() + degree + 1);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bspline.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |               panic!(format!("Invalid number of knots, got {}, expected {}", knots.len(),
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 37 | |                 control_points.len() + degree + 1));
[INFO] [stdout]    | |__________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 36 ~             panic!("Invalid number of knots, got {}, expected {}", knots.len(),
[INFO] [stdout] 37 ~                 control_points.len() + degree + 1);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "8b2727dc62c650ceace720ddf8dab402a0ce0fe2cc5ef78dae2295fee299aa20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2727dc62c650ceace720ddf8dab402a0ce0fe2cc5ef78dae2295fee299aa20", kill_on_drop: false }`
[INFO] [stdout] 8b2727dc62c650ceace720ddf8dab402a0ce0fe2cc5ef78dae2295fee299aa20