[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] building JonathanMurray/mp4-parser against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [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 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09dbc1206fcc3b35299abcae1bef856dc26902ad6ce3725722e03d8805414f0c [INFO] running `Command { std: "docker" "start" "-a" "09dbc1206fcc3b35299abcae1bef856dc26902ad6ce3725722e03d8805414f0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09dbc1206fcc3b35299abcae1bef856dc26902ad6ce3725722e03d8805414f0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09dbc1206fcc3b35299abcae1bef856dc26902ad6ce3725722e03d8805414f0c", kill_on_drop: false }` [INFO] [stdout] 09dbc1206fcc3b35299abcae1bef856dc26902ad6ce3725722e03d8805414f0c [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af058daef32873beb9419984f5bde7bcf84560a72c51259153c73d0c7d8366d6 [INFO] running `Command { std: "docker" "start" "-a" "af058daef32873beb9419984f5bde7bcf84560a72c51259153c73d0c7d8366d6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling 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] = help: consider removing this field [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] [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] = note: `TrackInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] = note: `TrackInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.89s [INFO] running `Command { std: "docker" "inspect" "af058daef32873beb9419984f5bde7bcf84560a72c51259153c73d0c7d8366d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af058daef32873beb9419984f5bde7bcf84560a72c51259153c73d0c7d8366d6", kill_on_drop: false }` [INFO] [stdout] af058daef32873beb9419984f5bde7bcf84560a72c51259153c73d0c7d8366d6 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7305c70431bec6d688a00541f5f19b4c7cfb9f79421170451317cd230aada377 [INFO] running `Command { std: "docker" "start" "-a" "7305c70431bec6d688a00541f5f19b4c7cfb9f79421170451317cd230aada377", kill_on_drop: false }` [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] = help: consider removing this field [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] [INFO] [stdout] [INFO] [stderr] Compiling mp4-parser v0.1.0 (/opt/rustwide/workdir) [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] = note: `TrackInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] = note: `TrackInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 `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] = help: consider removing this field [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] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "7305c70431bec6d688a00541f5f19b4c7cfb9f79421170451317cd230aada377", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7305c70431bec6d688a00541f5f19b4c7cfb9f79421170451317cd230aada377", kill_on_drop: false }` [INFO] [stdout] 7305c70431bec6d688a00541f5f19b4c7cfb9f79421170451317cd230aada377