[INFO] fetching crate trayicon 0.1.0-beta.18...
[INFO] checking trayicon-0.1.0-beta.18 against beta for pr-78714
[INFO] extracting crate trayicon 0.1.0-beta.18 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate trayicon 0.1.0-beta.18 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 crates.io crate trayicon 0.1.0-beta.18
[INFO] finished tweaking crates.io crate trayicon 0.1.0-beta.18
[INFO] tweaked toml for crates.io crate trayicon 0.1.0-beta.18 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 85763e6d560e324039bb14c265de80522ef5e3e85fb4c101eee46511fd7087a3
[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" "85763e6d560e324039bb14c265de80522ef5e3e85fb4c101eee46511fd7087a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85763e6d560e324039bb14c265de80522ef5e3e85fb4c101eee46511fd7087a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85763e6d560e324039bb14c265de80522ef5e3e85fb4c101eee46511fd7087a3", kill_on_drop: false }`
[INFO] [stdout] 85763e6d560e324039bb14c265de80522ef5e3e85fb4c101eee46511fd7087a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0d973e49e718f97609913d37b0fda6201b1f5da91e1e041603a524ec37212dc3
[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" "0d973e49e718f97609913d37b0fda6201b1f5da91e1e041603a524ec37212dc3", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking trayicon v0.1.0-beta.18 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::sys`
[INFO] [stdout]   --> src/lib.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) use crate::sys::{
[INFO] [stdout]    |                       ^^^ maybe a missing crate `sys`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IconBase`
[INFO] [stdout]  --> src/icon.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Error, IconBase};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::sys`
[INFO] [stdout]   --> src/lib.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub(crate) use crate::sys::{
[INFO] [stdout]    |                       ^^^ maybe a missing crate `sys`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IconBase`
[INFO] [stdout]  --> src/icon.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Error, IconBase};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TrayIconBase`
[INFO] [stdout]  --> src/trayicon.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Error, Icon, MenuBuilder, TrayIconBase, TrayIconBuilder};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TrayIconBase`
[INFO] [stdout]  --> src/trayicon.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Error, Icon, MenuBuilder, TrayIconBase, TrayIconBuilder};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trayicon`
[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 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0d973e49e718f97609913d37b0fda6201b1f5da91e1e041603a524ec37212dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d973e49e718f97609913d37b0fda6201b1f5da91e1e041603a524ec37212dc3", kill_on_drop: false }`
[INFO] [stdout] 0d973e49e718f97609913d37b0fda6201b1f5da91e1e041603a524ec37212dc3