[INFO] cloning repository https://github.com/yufengwng/wallsplash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yufengwng/wallsplash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyufengwng%2Fwallsplash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyufengwng%2Fwallsplash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 847ab9f11af163c3a8cb10a080f4f0799e35856c
[INFO] checking yufengwng/wallsplash against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyufengwng%2Fwallsplash" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yufengwng/wallsplash on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yufengwng/wallsplash
[INFO] finished tweaking git repo https://github.com/yufengwng/wallsplash
[INFO] tweaked toml for git repo https://github.com/yufengwng/wallsplash written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/yufengwng/wallsplash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c002e3a29d5735442f5a0241a06d090e50508b96169e9131727e65998ed24bd
[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" "9c002e3a29d5735442f5a0241a06d090e50508b96169e9131727e65998ed24bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c002e3a29d5735442f5a0241a06d090e50508b96169e9131727e65998ed24bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c002e3a29d5735442f5a0241a06d090e50508b96169e9131727e65998ed24bd", kill_on_drop: false }`
[INFO] [stdout] 9c002e3a29d5735442f5a0241a06d090e50508b96169e9131727e65998ed24bd
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4545420a583ea2167dc86e7737e026b30977aa420b5be445916ae2aac84b6a
[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" "ec4545420a583ea2167dc86e7737e026b30977aa420b5be445916ae2aac84b6a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling gcc v0.3.46
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking unicode-bidi v0.2.6
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking libflate v0.1.6
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]    Compiling hyper v0.10.10
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[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/libflate-0.1.6/src/gzip.rs:452:61
[INFO] [stdout]     |
[INFO] [stdout] 452 |         writer.write_u16::<LittleEndian>(self.data.len() as u16())?;
[INFO] [stdout]     |                                                             ^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking mime v0.2.4
[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]     Checking serde_json v1.0.2
[INFO] [stderr] error: could not compile `libflate`
[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" "ec4545420a583ea2167dc86e7737e026b30977aa420b5be445916ae2aac84b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4545420a583ea2167dc86e7737e026b30977aa420b5be445916ae2aac84b6a", kill_on_drop: false }`
[INFO] [stdout] ec4545420a583ea2167dc86e7737e026b30977aa420b5be445916ae2aac84b6a