[INFO] cloning repository https://github.com/JonathanMurray/mp4-parser [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonathanMurray/mp4-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanMurray%2Fmp4-parser", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanMurray%2Fmp4-parser'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23265f60d927a91ec1f9925d58786f345f0e566a [INFO] checking JonathanMurray/mp4-parser against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanMurray%2Fmp4-parser" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JonathanMurray/mp4-parser on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JonathanMurray/mp4-parser [INFO] finished tweaking git repo https://github.com/JonathanMurray/mp4-parser [INFO] tweaked toml for git repo https://github.com/JonathanMurray/mp4-parser written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JonathanMurray/mp4-parser already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3af1e1f335c6d6169af3598267f43b0bb695f179e54c7f0d7a6b94252979c24f [INFO] running `Command { std: "docker" "start" "-a" "3af1e1f335c6d6169af3598267f43b0bb695f179e54c7f0d7a6b94252979c24f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3af1e1f335c6d6169af3598267f43b0bb695f179e54c7f0d7a6b94252979c24f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3af1e1f335c6d6169af3598267f43b0bb695f179e54c7f0d7a6b94252979c24f", kill_on_drop: false }` [INFO] [stdout] 3af1e1f335c6d6169af3598267f43b0bb695f179e54c7f0d7a6b94252979c24f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72c9034d4c237550c43ba2751904ba12f9c278990b8ad11c92cff6c2249f2927 [INFO] running `Command { std: "docker" "start" "-a" "72c9034d4c237550c43ba2751904ba12f9c278990b8ad11c92cff6c2249f2927", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking mp4-parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/quicktime.rs:18:23 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct EncoderTag(String); [INFO] [stdout] | ---------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `EncoderTag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 | pub struct EncoderTag(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/quicktime.rs:18:23 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct EncoderTag(String); [INFO] [stdout] | ---------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `EncoderTag` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 | pub struct EncoderTag(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tracks` is never read [INFO] [stdout] --> src/bin/info.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 31 | struct Info { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 32 | tracks: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Info` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `info` are never read [INFO] [stdout] --> src/bin/info.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct Track { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 37 | id: u32, [INFO] [stdout] | ^^ [INFO] [stdout] 38 | info: TrackInfo, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Track` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/info.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 43 | Audio(AudioTrack), [INFO] [stdout] | ----- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 43 | Audio(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/info.rs:44:11 [INFO] [stdout] | [INFO] [stdout] 44 | Video(VideoTrack), [INFO] [stdout] | ----- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 44 | Video(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `channel_count` and `sample_rate` are never read [INFO] [stdout] --> src/bin/info.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 48 | struct AudioTrack { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 49 | channel_count: u16, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 50 | sample_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AudioTrack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/bin/info.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 54 | struct VideoTrack { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 55 | width: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 56 | height: u16, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VideoTrack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `tracks` is never read [INFO] [stdout] --> src/bin/info.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 31 | struct Info { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 32 | tracks: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Info` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `info` are never read [INFO] [stdout] --> src/bin/info.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct Track { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 37 | id: u32, [INFO] [stdout] | ^^ [INFO] [stdout] 38 | info: TrackInfo, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Track` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/info.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 43 | Audio(AudioTrack), [INFO] [stdout] | ----- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 43 | Audio(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/bin/info.rs:44:11 [INFO] [stdout] | [INFO] [stdout] 44 | Video(VideoTrack), [INFO] [stdout] | ----- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 44 | Video(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `channel_count` and `sample_rate` are never read [INFO] [stdout] --> src/bin/info.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 48 | struct AudioTrack { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 49 | channel_count: u16, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 50 | sample_rate: f32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AudioTrack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width` and `height` are never read [INFO] [stdout] --> src/bin/info.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 54 | struct VideoTrack { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 55 | width: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 56 | height: u16, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `VideoTrack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.84s [INFO] running `Command { std: "docker" "inspect" "72c9034d4c237550c43ba2751904ba12f9c278990b8ad11c92cff6c2249f2927", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72c9034d4c237550c43ba2751904ba12f9c278990b8ad11c92cff6c2249f2927", kill_on_drop: false }` [INFO] [stdout] 72c9034d4c237550c43ba2751904ba12f9c278990b8ad11c92cff6c2249f2927 [INFO] checking JonathanMurray/mp4-parser against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanMurray%2Fmp4-parser" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JonathanMurray/mp4-parser on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JonathanMurray/mp4-parser [INFO] finished tweaking git repo https://github.com/JonathanMurray/mp4-parser [INFO] tweaked toml for git repo https://github.com/JonathanMurray/mp4-parser written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JonathanMurray/mp4-parser already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f1915e4e43bfd34a4a43039e696a6097af86b4b7eff87eb90242c400fbcddd4 [INFO] running `Command { std: "docker" "start" "-a" "2f1915e4e43bfd34a4a43039e696a6097af86b4b7eff87eb90242c400fbcddd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f1915e4e43bfd34a4a43039e696a6097af86b4b7eff87eb90242c400fbcddd4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f1915e4e43bfd34a4a43039e696a6097af86b4b7eff87eb90242c400fbcddd4", kill_on_drop: false }` [INFO] [stdout] 2f1915e4e43bfd34a4a43039e696a6097af86b4b7eff87eb90242c400fbcddd4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 21be3c92347290007b0704f9c2a4cd83adf5ecddd3b89425ef5d43bee283cd63 [INFO] running `Command { std: "docker" "start" "-a" "21be3c92347290007b0704f9c2a4cd83adf5ecddd3b89425ef5d43bee283cd63", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.19/src/format/parse.rs:491:21 [INFO] [stdout] | [INFO] [stdout] 491 | Err(INVALID)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 491 | Err::(INVALID)?; [INFO] [stdout] | +++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `chrono` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "21be3c92347290007b0704f9c2a4cd83adf5ecddd3b89425ef5d43bee283cd63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21be3c92347290007b0704f9c2a4cd83adf5ecddd3b89425ef5d43bee283cd63", kill_on_drop: false }` [INFO] [stdout] 21be3c92347290007b0704f9c2a4cd83adf5ecddd3b89425ef5d43bee283cd63