[INFO] cloning repository https://github.com/UnicodingUnicorn/buckets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UnicodingUnicorn/buckets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicodingUnicorn%2Fbuckets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicodingUnicorn%2Fbuckets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d14686e3e5c67c27a562fc93caaff133c06d9513
[INFO] checking UnicodingUnicorn/buckets against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicodingUnicorn%2Fbuckets" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UnicodingUnicorn/buckets on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/UnicodingUnicorn/buckets
[INFO] finished tweaking git repo https://github.com/UnicodingUnicorn/buckets
[INFO] tweaked toml for git repo https://github.com/UnicodingUnicorn/buckets written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/UnicodingUnicorn/buckets already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.72
[INFO] [stderr]   Downloaded handlebars v3.5.3
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.72
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.72
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.72
[INFO] [stderr]   Downloaded standback v0.2.16
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.72
[INFO] [stderr]   Downloaded libc v0.2.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2950e255b47755d9795f3bda3867c5e77f022512c12c3c7d18735c374f1673b6
[INFO] running `Command { std: "docker" "start" "-a" "2950e255b47755d9795f3bda3867c5e77f022512c12c3c7d18735c374f1673b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2950e255b47755d9795f3bda3867c5e77f022512c12c3c7d18735c374f1673b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2950e255b47755d9795f3bda3867c5e77f022512c12c3c7d18735c374f1673b6", kill_on_drop: false }`
[INFO] [stdout] 2950e255b47755d9795f3bda3867c5e77f022512c12c3c7d18735c374f1673b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3edeb2011e8228920ad4fc506ce147bdf6ebc9727683853b4722931cf21d6377
[INFO] running `Command { std: "docker" "start" "-a" "3edeb2011e8228920ad4fc506ce147bdf6ebc9727683853b4722931cf21d6377", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling standback v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stdout] error[E0432]: unresolved import `core::task::Wake`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/standback-0.2.16/src/lib.rs:520:13
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub use core::task::Wake;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ no `Wake` in `task`
[INFO] [stdout]     |
[INFO] [stdout] help: a similar name exists in the module (notice the capitalization difference)
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub use core::task::wake;
[INFO] [stdout]     |                         ~~~~
[INFO] [stdout] help: consider importing this trait instead
[INFO] [stdout]     |
[INFO] [stdout] 520 |     pub use std::task::Wake;
[INFO] [stdout]     |             ~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3edeb2011e8228920ad4fc506ce147bdf6ebc9727683853b4722931cf21d6377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3edeb2011e8228920ad4fc506ce147bdf6ebc9727683853b4722931cf21d6377", kill_on_drop: false }`
[INFO] [stdout] 3edeb2011e8228920ad4fc506ce147bdf6ebc9727683853b4722931cf21d6377