[INFO] fetching crate twitch_api2 0.5.0-alpha.5...
[INFO] checking twitch_api2-0.5.0-alpha.5 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate twitch_api2 0.5.0-alpha.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate twitch_api2 0.5.0-alpha.5 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twitch_api2 0.5.0-alpha.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twitch_api2 0.5.0-alpha.5
[INFO] tweaked toml for crates.io crate twitch_api2 0.5.0-alpha.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate twitch_api2 0.5.0-alpha.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25b008156dfa6991670ba11e73d4dbdd44be823a0997cda2845053f265637955
[INFO] running `Command { std: "docker" "start" "-a" "25b008156dfa6991670ba11e73d4dbdd44be823a0997cda2845053f265637955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25b008156dfa6991670ba11e73d4dbdd44be823a0997cda2845053f265637955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b008156dfa6991670ba11e73d4dbdd44be823a0997cda2845053f265637955", kill_on_drop: false }`
[INFO] [stdout] 25b008156dfa6991670ba11e73d4dbdd44be823a0997cda2845053f265637955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9010f902b01ef84c5cf45f6ed3e3b30160c01bac8f09e32435f439b96c89820d
[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" "9010f902b01ef84c5cf45f6ed3e3b30160c01bac8f09e32435f439b96c89820d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling serde_json v1.0.63
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling twitch_api2 v0.5.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![cfg_attr(nightly, feature(doc_cfg, doc_spotlight))]
[INFO] [stdout]   |                                       ^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `doc_notable_trait`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `twitch_api2`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9010f902b01ef84c5cf45f6ed3e3b30160c01bac8f09e32435f439b96c89820d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9010f902b01ef84c5cf45f6ed3e3b30160c01bac8f09e32435f439b96c89820d", kill_on_drop: false }`
[INFO] [stdout] 9010f902b01ef84c5cf45f6ed3e3b30160c01bac8f09e32435f439b96c89820d