[INFO] fetching crate rs-youtube 0.2.2...
[INFO] building rs-youtube-0.2.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rs-youtube 0.2.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rs-youtube 0.2.2
[INFO] finished tweaking crates.io crate rs-youtube 0.2.2
[INFO] tweaked toml for crates.io crate rs-youtube 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-youtube 0.2.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rs-youtube 0.2.2 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91404e9fb127dd4c6bcf9af233fd0fd598bd9c777588e82c817488392540880b
[INFO] running `Command { std: "docker" "start" "-a" "91404e9fb127dd4c6bcf9af233fd0fd598bd9c777588e82c817488392540880b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91404e9fb127dd4c6bcf9af233fd0fd598bd9c777588e82c817488392540880b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91404e9fb127dd4c6bcf9af233fd0fd598bd9c777588e82c817488392540880b", kill_on_drop: false }`
[INFO] [stdout] 91404e9fb127dd4c6bcf9af233fd0fd598bd9c777588e82c817488392540880b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4b83680aa3ef44c5ecaf373deb19f30eb06cb8fab43c028e99b77c3cb590d1
[INFO] running `Command { std: "docker" "start" "-a" "6b4b83680aa3ef44c5ecaf373deb19f30eb06cb8fab43c028e99b77c3cb590d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling chunked_transfer v1.4.0
[INFO] [stderr]    Compiling webbrowser v0.5.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling directories v3.0.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling serde-query-derive v0.1.3
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling serde-query v0.1.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ureq v2.1.0
[INFO] [stderr]    Compiling rs-youtube v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `description` and `video_count` are never read
[INFO] [stdout]   --> src/backend/youtube/search.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct YoutubeChannel {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     description: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 43 |     video_count: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `YoutubeChannel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `return_string` is never read
[INFO] [stdout]   --> src/frontend/generic_menu.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct OrderedItem {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 16 |     pub(crate) label: String,
[INFO] [stdout] 17 |     pub(crate) return_string: Option<String>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OrderedItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.22s
[INFO] running `Command { std: "docker" "inspect" "6b4b83680aa3ef44c5ecaf373deb19f30eb06cb8fab43c028e99b77c3cb590d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4b83680aa3ef44c5ecaf373deb19f30eb06cb8fab43c028e99b77c3cb590d1", kill_on_drop: false }`
[INFO] [stdout] 6b4b83680aa3ef44c5ecaf373deb19f30eb06cb8fab43c028e99b77c3cb590d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efa5df0cd7b80ea93e9f5b4cdb389f1565ede8e163c3899d6f6fbac6756684fa
[INFO] running `Command { std: "docker" "start" "-a" "efa5df0cd7b80ea93e9f5b4cdb389f1565ede8e163c3899d6f6fbac6756684fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-youtube v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `return_string` is never read
[INFO] [stdout]   --> src/frontend/generic_menu.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct OrderedItem {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 16 |     pub(crate) label: String,
[INFO] [stdout] 17 |     pub(crate) return_string: Option<String>,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OrderedItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `description` and `video_count` are never read
[INFO] [stdout]   --> src/backend/youtube/search.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct YoutubeChannel {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     description: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 43 |     video_count: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `YoutubeChannel` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "efa5df0cd7b80ea93e9f5b4cdb389f1565ede8e163c3899d6f6fbac6756684fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa5df0cd7b80ea93e9f5b4cdb389f1565ede8e163c3899d6f6fbac6756684fa", kill_on_drop: false }`
[INFO] [stdout] efa5df0cd7b80ea93e9f5b4cdb389f1565ede8e163c3899d6f6fbac6756684fa