[INFO] fetching crate ttv-rs 0.1.1...
[INFO] checking ttv-rs-0.1.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate ttv-rs 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ttv-rs 0.1.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ttv-rs 0.1.1
[INFO] finished tweaking crates.io crate ttv-rs 0.1.1
[INFO] tweaked toml for crates.io crate ttv-rs 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6747b5121cd408b88392732c05dbc2db5dc9596abd42fc8f0b489d0c91e2e1d6
[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" "6747b5121cd408b88392732c05dbc2db5dc9596abd42fc8f0b489d0c91e2e1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6747b5121cd408b88392732c05dbc2db5dc9596abd42fc8f0b489d0c91e2e1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6747b5121cd408b88392732c05dbc2db5dc9596abd42fc8f0b489d0c91e2e1d6", kill_on_drop: false }`
[INFO] [stdout] 6747b5121cd408b88392732c05dbc2db5dc9596abd42fc8f0b489d0c91e2e1d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b3730669fa47567daf407b5a69f04ee81bf50955e93fd712482f6c1aae32f5a
[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" "6b3730669fa47567daf407b5a69f04ee81bf50955e93fd712482f6c1aae32f5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking twitchchat v0.14.8
[INFO] [stderr]     Checking ttv-v5 v0.1.1
[INFO] [stderr]     Checking ttv-webhooks v0.1.1
[INFO] [stderr]     Checking ttv-extensions v0.1.1
[INFO] [stderr]    Compiling twitch_oauth2 v0.5.0-beta.1
[INFO] [stderr]    Compiling twitch_api2 v0.5.0-alpha.5
[INFO] [stderr]     Checking sha2 v0.9.4
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking ttv-chat v0.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling displaydoc v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling typed-builder v0.9.0
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_path_to_error v0.1.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking oauth2 v4.0.0
[INFO] [stderr]     Checking ttv-auth v0.1.1
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/twitch_api2-0.5.0-alpha.5/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] running `Command { std: "docker" "inspect" "6b3730669fa47567daf407b5a69f04ee81bf50955e93fd712482f6c1aae32f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3730669fa47567daf407b5a69f04ee81bf50955e93fd712482f6c1aae32f5a", kill_on_drop: false }`
[INFO] [stdout] 6b3730669fa47567daf407b5a69f04ee81bf50955e93fd712482f6c1aae32f5a