[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#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnicodingUnicorn%2Fbuckets" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UnicodingUnicorn/buckets on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "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-6-tc2/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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef68363379b662743352d99379f2023589107edeac0ec53571f380f2f75d9b09
[INFO] running `Command { std: "docker" "start" "-a" "ef68363379b662743352d99379f2023589107edeac0ec53571f380f2f75d9b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef68363379b662743352d99379f2023589107edeac0ec53571f380f2f75d9b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef68363379b662743352d99379f2023589107edeac0ec53571f380f2f75d9b09", kill_on_drop: false }`
[INFO] [stdout] ef68363379b662743352d99379f2023589107edeac0ec53571f380f2f75d9b09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c895bcab3a9f71b1c1a1b9b61018969dfd2e59ce40bd7de3b53de2fbf31b81d
[INFO] running `Command { std: "docker" "start" "-a" "7c895bcab3a9f71b1c1a1b9b61018969dfd2e59ce40bd7de3b53de2fbf31b81d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[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 proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling standback v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling heck v0.3.2
[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
[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 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" "7c895bcab3a9f71b1c1a1b9b61018969dfd2e59ce40bd7de3b53de2fbf31b81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c895bcab3a9f71b1c1a1b9b61018969dfd2e59ce40bd7de3b53de2fbf31b81d", kill_on_drop: false }`
[INFO] [stdout] 7c895bcab3a9f71b1c1a1b9b61018969dfd2e59ce40bd7de3b53de2fbf31b81d
