[INFO] cloning repository https://github.com/lesnikovskiy/rust_media
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lesnikovskiy/rust_media" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesnikovskiy%2Frust_media", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesnikovskiy%2Frust_media'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30b440ab4860645730656e84ae7e70c9ce6c3e40
[INFO] checking lesnikovskiy/rust_media against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesnikovskiy%2Frust_media" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lesnikovskiy/rust_media
[INFO] finished tweaking git repo https://github.com/lesnikovskiy/rust_media
[INFO] tweaked toml for git repo https://github.com/lesnikovskiy/rust_media written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lesnikovskiy/rust_media on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lesnikovskiy/rust_media 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f759eb033c078c0470297cd817f6f94c2897a20e2b7bc64d788ecc69636d672
[INFO] running `Command { std: "docker" "start" "-a" "2f759eb033c078c0470297cd817f6f94c2897a20e2b7bc64d788ecc69636d672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f759eb033c078c0470297cd817f6f94c2897a20e2b7bc64d788ecc69636d672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f759eb033c078c0470297cd817f6f94c2897a20e2b7bc64d788ecc69636d672", kill_on_drop: false }`
[INFO] [stdout] 2f759eb033c078c0470297cd817f6f94c2897a20e2b7bc64d788ecc69636d672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdd444d7eafb91454a6c0eee06ca5b25ff3782987a92220ea408b61151723a6e
[INFO] running `Command { std: "docker" "start" "-a" "fdd444d7eafb91454a6c0eee06ca5b25ff3782987a92220ea408b61151723a6e", kill_on_drop: false }`
[INFO] [stderr]     Checking media v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `title` and `author` are never read
[INFO] [stdout]  --> src/content/media.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Book {
[INFO] [stdout]   |     ---- fields in this variant
[INFO] [stdout] 4 |         title: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 5 |         author: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` 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 `title` and `director` are never read
[INFO] [stdout]  --> src/content/media.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Movie {
[INFO] [stdout]   |     ----- fields in this variant
[INFO] [stdout] 8 |         title: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 9 |         director: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` 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 `title` is never read
[INFO] [stdout]   --> src/content/media.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Audiobook {
[INFO] [stdout]    |     --------- field in this variant
[INFO] [stdout] 12 |         title: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Media` 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/content/media.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Podcast(u32),
[INFO] [stdout]    |     ------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Media` 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] 14 -     Podcast(u32),
[INFO] [stdout] 14 +     Podcast(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `description` is never used
[INFO] [stdout]   --> src/content/media.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Media {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 19 |     pub fn description(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title` and `author` are never read
[INFO] [stdout]  --> src/content/media.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Book {
[INFO] [stdout]   |     ---- fields in this variant
[INFO] [stdout] 4 |         title: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 5 |         author: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` 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 `title` and `director` are never read
[INFO] [stdout]  --> src/content/media.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Movie {
[INFO] [stdout]   |     ----- fields in this variant
[INFO] [stdout] 8 |         title: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 9 |         director: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` 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 `title` is never read
[INFO] [stdout]   --> src/content/media.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Audiobook {
[INFO] [stdout]    |     --------- field in this variant
[INFO] [stdout] 12 |         title: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Media` 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/content/media.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Podcast(u32),
[INFO] [stdout]    |     ------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Media` 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] 14 -     Podcast(u32),
[INFO] [stdout] 14 +     Podcast(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `description` is never used
[INFO] [stdout]   --> src/content/media.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Media {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 19 |     pub fn description(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "fdd444d7eafb91454a6c0eee06ca5b25ff3782987a92220ea408b61151723a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd444d7eafb91454a6c0eee06ca5b25ff3782987a92220ea408b61151723a6e", kill_on_drop: false }`
[INFO] [stdout] fdd444d7eafb91454a6c0eee06ca5b25ff3782987a92220ea408b61151723a6e