[INFO] fetching crate choreographer 0.0.4...
[INFO] checking choreographer-0.0.4 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate choreographer 0.0.4 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate choreographer 0.0.4 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate choreographer 0.0.4
[INFO] finished tweaking crates.io crate choreographer 0.0.4
[INFO] tweaked toml for crates.io crate choreographer 0.0.4 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smart-leds-trait v0.2.1
[INFO] [stderr]   Downloaded rgb v0.8.27
[INFO] [stderr]   Downloaded micromath v2.0.0
[INFO] [stderr]   Downloaded smart-leds v0.3.0
[INFO] [stderr]   Downloaded groundhog v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cdc17a502529ff88d80c8ce51433bdf472882647edc28a31fb7a00475bee52f
[INFO] running `Command { std: "docker" "start" "-a" "9cdc17a502529ff88d80c8ce51433bdf472882647edc28a31fb7a00475bee52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cdc17a502529ff88d80c8ce51433bdf472882647edc28a31fb7a00475bee52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cdc17a502529ff88d80c8ce51433bdf472882647edc28a31fb7a00475bee52f", kill_on_drop: false }`
[INFO] [stdout] 9cdc17a502529ff88d80c8ce51433bdf472882647edc28a31fb7a00475bee52f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c3d31bc09d39dcbbc4899552aa6889854043e652925bba33484d86b3edfe9c7
[INFO] running `Command { std: "docker" "start" "-a" "0c3d31bc09d39dcbbc4899552aa6889854043e652925bba33484d86b3edfe9c7", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]    Compiling heapless v0.7.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking groundhog v0.2.5
[INFO] [stderr]     Checking micromath v2.0.0
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking smart-leds-trait v0.2.1
[INFO] [stderr]     Checking smart-leds v0.3.0
[INFO] [stderr]     Checking choreographer v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `groundhog::std_timer`
[INFO] [stdout]    --> src/lib.rs:162:20
[INFO] [stdout]     |
[INFO] [stdout] 162 |     use groundhog::std_timer::Timer;
[INFO] [stdout]     |                    ^^^^^^^^^ could not find `std_timer` in `groundhog`
[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 `choreographer` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0c3d31bc09d39dcbbc4899552aa6889854043e652925bba33484d86b3edfe9c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3d31bc09d39dcbbc4899552aa6889854043e652925bba33484d86b3edfe9c7", kill_on_drop: false }`
[INFO] [stdout] 0c3d31bc09d39dcbbc4899552aa6889854043e652925bba33484d86b3edfe9c7