[INFO] cloning repository https://github.com/jgjin/annotate-music
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgjin/annotate-music" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgjin%2Fannotate-music", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgjin%2Fannotate-music'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b43e474d8948f0f2afbd0534d81ea8e26b4f1c3
[INFO] checking jgjin/annotate-music against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgjin%2Fannotate-music" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgjin/annotate-music on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jgjin/annotate-music
[INFO] finished tweaking git repo https://github.com/jgjin/annotate-music
[INFO] tweaked toml for git repo https://github.com/jgjin/annotate-music written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jgjin/annotate-music already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.9.0
[INFO] [stderr]   Downloaded darling v0.9.0
[INFO] [stderr]   Downloaded derive_builder_core v0.5.0
[INFO] [stderr]   Downloaded darling_core v0.9.0
[INFO] [stderr]   Downloaded derive_builder v0.7.2
[INFO] [stderr]   Downloaded id3 v0.3.0
[INFO] [stderr]   Downloaded mp3-duration v0.1.6
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bc88875230bee8111545d7faf4cc9cf8377cb9079914d0d173ed6a94b4c39e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4bc88875230bee8111545d7faf4cc9cf8377cb9079914d0d173ed6a94b4c39e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bc88875230bee8111545d7faf4cc9cf8377cb9079914d0d173ed6a94b4c39e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc88875230bee8111545d7faf4cc9cf8377cb9079914d0d173ed6a94b4c39e8", kill_on_drop: false }`
[INFO] [stdout] 4bc88875230bee8111545d7faf4cc9cf8377cb9079914d0d173ed6a94b4c39e8
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1aadbbcf0363a83685b40358b0a02c9e86bf15dd1f4d3c3787747b42dbcdf71
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d1aadbbcf0363a83685b40358b0a02c9e86bf15dd1f4d3c3787747b42dbcdf71", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]     Checking miniz_oxide_c_api v0.2.2
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking regex v1.1.9
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking mp3-duration v0.1.6
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking serde v1.0.97
[INFO] [stderr]     Checking id3 v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking annotate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(custom_attribute)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `annotate`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d1aadbbcf0363a83685b40358b0a02c9e86bf15dd1f4d3c3787747b42dbcdf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1aadbbcf0363a83685b40358b0a02c9e86bf15dd1f4d3c3787747b42dbcdf71", kill_on_drop: false }`
[INFO] [stdout] d1aadbbcf0363a83685b40358b0a02c9e86bf15dd1f4d3c3787747b42dbcdf71