[INFO] fetching crate beerxml 0.1.8...
[INFO] checking beerxml-0.1.8 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate beerxml 0.1.8 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate beerxml 0.1.8 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate beerxml 0.1.8
[INFO] finished tweaking crates.io crate beerxml 0.1.8
[INFO] tweaked toml for crates.io crate beerxml 0.1.8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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 strum v0.6.0
[INFO] [stderr]   Downloaded strum_macros v0.6.1
[INFO] [stderr]   Downloaded quick-xml v0.7.3
[INFO] [stderr]   Downloaded encoding_rs v0.6.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc0d4312411a9be7a747dfe2db54e3302640d7543edb57698b536bddb1f85964
[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" "fc0d4312411a9be7a747dfe2db54e3302640d7543edb57698b536bddb1f85964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc0d4312411a9be7a747dfe2db54e3302640d7543edb57698b536bddb1f85964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0d4312411a9be7a747dfe2db54e3302640d7543edb57698b536bddb1f85964", kill_on_drop: false }`
[INFO] [stdout] fc0d4312411a9be7a747dfe2db54e3302640d7543edb57698b536bddb1f85964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24967381d33f084ebc272712d8f9fb7897b516c215aa155aefec69133f3d16aa
[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" "24967381d33f084ebc272712d8f9fb7897b516c215aa155aefec69133f3d16aa", kill_on_drop: false }`
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking strum v0.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking encoding_rs v0.6.11
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling strum_macros v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stdout] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/encoding_rs-0.6.11/src/utf_16.rs:33:44
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn additional_from_state(&self) -> usize() {
[INFO] [stdout]    |                                            ^^^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0214`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `encoding_rs`
[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" "24967381d33f084ebc272712d8f9fb7897b516c215aa155aefec69133f3d16aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24967381d33f084ebc272712d8f9fb7897b516c215aa155aefec69133f3d16aa", kill_on_drop: false }`
[INFO] [stdout] 24967381d33f084ebc272712d8f9fb7897b516c215aa155aefec69133f3d16aa