[INFO] updating cached repository https://github.com/yazgoo/youtube-subscriptions
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/yazgoo/youtube-subscriptions
[INFO] [stderr]  * [new branch]      add-mark-for-video         -> add-mark-for-video
[INFO] [stderr]  * [new branch]      etag2                      -> etag2
[INFO] [stderr]    d644c5b..53dde3e  master                     -> master
[INFO] [stderr]  * [new branch]      podcast-and-itemkind       -> podcast-and-itemkind
[INFO] [stderr]  * [new branch]      podcast-support-in-non-mpv-mode -> podcast-support-in-non-mpv-mode
[INFO] [stderr]  * [new branch]      use-question-mark-operator -> use-question-mark-operator
[INFO] [stderr]  * [new tag]         0.2.66                     -> 0.2.66
[INFO] [stderr]  * [new tag]         0.2.65                     -> 0.2.65
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 53dde3e26e732e23407f5ad44a3e89258173d4bf
[INFO] checking yazgoo/youtube-subscriptions against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyazgoo%2Fyoutube-subscriptions" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yazgoo/youtube-subscriptions on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yazgoo/youtube-subscriptions
[INFO] finished tweaking git repo https://github.com/yazgoo/youtube-subscriptions
[INFO] tweaked toml for git repo https://github.com/yazgoo/youtube-subscriptions written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yazgoo/youtube-subscriptions already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f30cc70f44b98aa07857af92a7fd6f6d65779fdf42041ed7639b6ad9647e19c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f30cc70f44b98aa07857af92a7fd6f6d65779fdf42041ed7639b6ad9647e19c9"`
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking tower-service v0.3.0-alpha.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking xmlparser v0.10.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking webbrowser v0.5.2
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking utf-8 v0.6.0
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking roxmltree v0.7.1
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking crossterm_utils v0.2.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking terminal_size v0.1.8
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr] error[E0284]: type annotations needed: cannot resolve `<std::string::String as std::ops::Add<&_>>::Output == std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/roxmltree-0.7.1/src/parse.rs:708:71
[INFO] [stderr]     |
[INFO] [stderr] 708 |                         *prev_text = Cow::Owned(prev_text.to_string() + text.borrow());
[INFO] [stderr]     |                                                                       ^
[INFO] [stderr] 
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0284`.
[INFO] [stderr] error: could not compile `roxmltree`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f30cc70f44b98aa07857af92a7fd6f6d65779fdf42041ed7639b6ad9647e19c9"`
[INFO] running `"docker" "rm" "-f" "f30cc70f44b98aa07857af92a7fd6f6d65779fdf42041ed7639b6ad9647e19c9"`
[INFO] [stdout] f30cc70f44b98aa07857af92a7fd6f6d65779fdf42041ed7639b6ad9647e19c9