[INFO] cloning repository https://github.com/Kneelawk/julia-in-motion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kneelawk/julia-in-motion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Fjulia-in-motion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Fjulia-in-motion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6165ef517d1cdddc8df259e39e8a621d20ad4db2
[INFO] checking Kneelawk/julia-in-motion against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Fjulia-in-motion" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kneelawk/julia-in-motion on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kneelawk/julia-in-motion
[INFO] finished tweaking git repo https://github.com/Kneelawk/julia-in-motion
[INFO] tweaked toml for git repo https://github.com/Kneelawk/julia-in-motion written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Kneelawk/julia-in-motion already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 381871b291600fa6a12ad574108bb3345f8d32eb721b5e3ae36bced24671391d
[INFO] running `Command { std: "docker" "start" "-a" "381871b291600fa6a12ad574108bb3345f8d32eb721b5e3ae36bced24671391d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "381871b291600fa6a12ad574108bb3345f8d32eb721b5e3ae36bced24671391d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381871b291600fa6a12ad574108bb3345f8d32eb721b5e3ae36bced24671391d", kill_on_drop: false }`
[INFO] [stdout] 381871b291600fa6a12ad574108bb3345f8d32eb721b5e3ae36bced24671391d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f5eee2c7953c279fb6b09d0a41369fa23e50ea54e058d6218b3d1bdd6e6b0ef
[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" "6f5eee2c7953c279fb6b09d0a41369fa23e50ea54e058d6218b3d1bdd6e6b0ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ucd-util v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking wayland-sys v0.24.1
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling ffmpeg4 v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling minifb v0.15.3
[INFO] [stderr]    Compiling wayland-scanner v0.24.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking euclid v0.20.7
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking sid v0.6.1
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[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.42
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[INFO] [stderr]     Checking raw-window-handle v0.3.3
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[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking lyon_geom v0.15.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking lyon_path v0.15.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking lyon_algorithms v0.15.0
[INFO] [stderr]    Compiling wayland-client v0.24.1
[INFO] [stderr]    Compiling wayland-protocols v0.24.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking wayland-commons v0.24.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking xmlparser v0.3.0
[INFO] [stderr]     Checking svgparser v0.8.1
[INFO] [stderr]     Checking lyon_svg v0.15.0
[INFO] [stderr]    Compiling ffmpeg4-sys v4.2.2
[INFO] [stderr]     Checking julia-in-motion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::option::NoneError`
[INFO] [stdout]  --> src/output/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{option::NoneError, path::Path};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^ no `NoneError` in `option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::option::NoneError`
[INFO] [stdout]  --> src/output/mod.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{option::NoneError, path::Path};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^ no `NoneError` in `option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/output/mod.rs:26:83
[INFO] [stdout]     |
[INFO] [stdout] 17  | /     pub fn new<P: AsRef<Path>, R: Into<Rational>>(
[INFO] [stdout] 18  | |         path: &P,
[INFO] [stdout] 19  | |         width: u32,
[INFO] [stdout] 20  | |         height: u32,
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             encoder::find(format_context.format().codec(path, media::Type::Video))?.video()?;
[INFO] [stdout]     | |                                                                                   ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<MediaOutput, MediaOutputCreationError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 63  | |         })
[INFO] [stdout] 64  | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<MediaOutput, MediaOutputCreationError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/output/mod.rs:83:46
[INFO] [stdout]     |
[INFO] [stdout] 72  | /     pub fn write_frame(
[INFO] [stdout] 73  | |         &mut self,
[INFO] [stdout] 74  | |         frame: &frame::Video,
[INFO] [stdout] 75  | |     ) -> Result<MediaWriteResult, MediaWriteError> {
[INFO] [stdout] ...   |
[INFO] [stdout] 83  | |                 self.format_context.stream(0)?.time_base(),
[INFO] [stdout]     | |                                              ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<MediaWriteResult, MediaWriteError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 90  | |         }
[INFO] [stdout] 91  | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<MediaWriteResult, MediaWriteError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/output/mod.rs:101:46
[INFO] [stdout]     |
[INFO] [stdout] 93  | /     pub fn finish(&mut self) -> Result<MediaWriteResult, MediaWriteError> {
[INFO] [stdout] 94  | |         let mut res = MediaWriteResult::NoPacketWritten;
[INFO] [stdout] 95  | |
[INFO] [stdout] 96  | |         // sometimes there are a bunch of unwritten frames
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |                 self.format_context.stream(0)?.time_base(),
[INFO] [stdout]     | |                                              ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<MediaWriteResult, MediaWriteError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 110 | |         Ok(res)
[INFO] [stdout] 111 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<MediaWriteResult, MediaWriteError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/output/mod.rs:26:83
[INFO] [stdout]     |
[INFO] [stdout] 17  | /     pub fn new<P: AsRef<Path>, R: Into<Rational>>(
[INFO] [stdout] 18  | |         path: &P,
[INFO] [stdout] 19  | |         width: u32,
[INFO] [stdout] 20  | |         height: u32,
[INFO] [stdout] ...   |
[INFO] [stdout] 26  | |             encoder::find(format_context.format().codec(path, media::Type::Video))?.video()?;
[INFO] [stdout]     | |                                                                                   ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<MediaOutput, MediaOutputCreationError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 63  | |         })
[INFO] [stdout] 64  | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<MediaOutput, MediaOutputCreationError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/output/mod.rs:83:46
[INFO] [stdout]     |
[INFO] [stdout] 72  | /     pub fn write_frame(
[INFO] [stdout] 73  | |         &mut self,
[INFO] [stdout] 74  | |         frame: &frame::Video,
[INFO] [stdout] 75  | |     ) -> Result<MediaWriteResult, MediaWriteError> {
[INFO] [stdout] ...   |
[INFO] [stdout] 83  | |                 self.format_context.stream(0)?.time_base(),
[INFO] [stdout]     | |                                              ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<MediaWriteResult, MediaWriteError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 90  | |         }
[INFO] [stdout] 91  | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<MediaWriteResult, MediaWriteError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/output/mod.rs:101:46
[INFO] [stdout]     |
[INFO] [stdout] 93  | /     pub fn finish(&mut self) -> Result<MediaWriteResult, MediaWriteError> {
[INFO] [stdout] 94  | |         let mut res = MediaWriteResult::NoPacketWritten;
[INFO] [stdout] 95  | |
[INFO] [stdout] 96  | |         // sometimes there are a bunch of unwritten frames
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |                 self.format_context.stream(0)?.time_base(),
[INFO] [stdout]     | |                                              ^ use `.ok_or(...)?` to provide an error compatible with `std::result::Result<MediaWriteResult, MediaWriteError>`
[INFO] [stdout] ...   |
[INFO] [stdout] 110 | |         Ok(res)
[INFO] [stdout] 111 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `std::result::Result<MediaWriteResult, MediaWriteError>`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `julia-in-motion` due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6f5eee2c7953c279fb6b09d0a41369fa23e50ea54e058d6218b3d1bdd6e6b0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5eee2c7953c279fb6b09d0a41369fa23e50ea54e058d6218b3d1bdd6e6b0ef", kill_on_drop: false }`
[INFO] [stdout] 6f5eee2c7953c279fb6b09d0a41369fa23e50ea54e058d6218b3d1bdd6e6b0ef
