[INFO] cloning repository https://github.com/mxrr/rustboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mxrr/rustboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxrr%2Frustboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxrr%2Frustboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 262b386ccf0327ae6532a9243e569adbf39dea1e
[INFO] testing mxrr/rustboard against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxrr%2Frustboard" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mxrr/rustboard on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mxrr/rustboard
[INFO] finished tweaking git repo https://github.com/mxrr/rustboard
[INFO] tweaked toml for git repo https://github.com/mxrr/rustboard written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mxrr/rustboard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] e1bf44c4a924dacf0fd4dd56adccfccfe593f7d602fdcc9bbe973d84156aca73
[INFO] running `Command { std: "docker" "start" "-a" "e1bf44c4a924dacf0fd4dd56adccfccfe593f7d602fdcc9bbe973d84156aca73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1bf44c4a924dacf0fd4dd56adccfccfe593f7d602fdcc9bbe973d84156aca73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1bf44c4a924dacf0fd4dd56adccfccfe593f7d602fdcc9bbe973d84156aca73", kill_on_drop: false }`
[INFO] [stdout] e1bf44c4a924dacf0fd4dd56adccfccfe593f7d602fdcc9bbe973d84156aca73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 032c1d8f64ec34b91ec31fa8aef77411a11ffe654ad835f3bed6c20753dae859
[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" "032c1d8f64ec34b91ec31fa8aef77411a11ffe654ad835f3bed6c20753dae859", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling protobuf v2.22.1
[INFO] [stderr]    Compiling state v0.4.2 (https://github.com/SergioBenitez/state.git?rev=504ef71a#504ef71a)
[INFO] [stderr]    Compiling normpath v0.2.0
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling standback v0.2.16
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling uncased v0.9.5
[INFO] [stderr]    Compiling cookie v0.15.0
[INFO] [stderr]    Compiling figment v0.10.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling rocket v0.5.0-dev (https://github.com/SergioBenitez/Rocket#b3021e2a)
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stdout] error[E0432]: unresolved import `core::task::Wake`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/standback-0.2.16/src/lib.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub use core::task::Wake;
[INFO] [stdout]     |             ^^^^^^^^^^^^----
[INFO] [stdout]     |             |           |
[INFO] [stdout]     |             |           help: a similar name exists in the module (notice the capitalization): `wake`
[INFO] [stdout]     |             no `Wake` in `task`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `standback` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "032c1d8f64ec34b91ec31fa8aef77411a11ffe654ad835f3bed6c20753dae859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032c1d8f64ec34b91ec31fa8aef77411a11ffe654ad835f3bed6c20753dae859", kill_on_drop: false }`
[INFO] [stdout] 032c1d8f64ec34b91ec31fa8aef77411a11ffe654ad835f3bed6c20753dae859