[INFO] fetching crate groundhog 0.2.5...
[INFO] testing groundhog-0.2.5 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate groundhog 0.2.5 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate groundhog 0.2.5
[INFO] finished tweaking crates.io crate groundhog 0.2.5
[INFO] tweaked toml for crates.io crate groundhog 0.2.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate groundhog 0.2.5 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd8eeba12768d283853da6d9a8f522255e463e18e64a70e2e01e56475b7a1687
[INFO] running `Command { std: "docker" "start" "-a" "dd8eeba12768d283853da6d9a8f522255e463e18e64a70e2e01e56475b7a1687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd8eeba12768d283853da6d9a8f522255e463e18e64a70e2e01e56475b7a1687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8eeba12768d283853da6d9a8f522255e463e18e64a70e2e01e56475b7a1687", kill_on_drop: false }`
[INFO] [stdout] dd8eeba12768d283853da6d9a8f522255e463e18e64a70e2e01e56475b7a1687
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4008104d01fb792b8370e8f6fb45974affd944224ef61f291d88aaf18b8a0f54
[INFO] running `Command { std: "docker" "start" "-a" "4008104d01fb792b8370e8f6fb45974affd944224ef61f291d88aaf18b8a0f54", kill_on_drop: false }`
[INFO] [stderr]    Compiling groundhog v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "4008104d01fb792b8370e8f6fb45974affd944224ef61f291d88aaf18b8a0f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4008104d01fb792b8370e8f6fb45974affd944224ef61f291d88aaf18b8a0f54", kill_on_drop: false }`
[INFO] [stdout] 4008104d01fb792b8370e8f6fb45974affd944224ef61f291d88aaf18b8a0f54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b8f77c80915cc6c6dd07972c88e946bfa85a540deb2a700b5817db73a6517b83
[INFO] running `Command { std: "docker" "start" "-a" "b8f77c80915cc6c6dd07972c88e946bfa85a540deb2a700b5817db73a6517b83", kill_on_drop: false }`
[INFO] [stderr]    Compiling groundhog v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `once_cell`
[INFO] [stdout]  --> src/std_timer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use once_cell::sync::Lazy;
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `once_cell`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `once_cell`, use `cargo add once_cell` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `groundhog` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b8f77c80915cc6c6dd07972c88e946bfa85a540deb2a700b5817db73a6517b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f77c80915cc6c6dd07972c88e946bfa85a540deb2a700b5817db73a6517b83", kill_on_drop: false }`
[INFO] [stdout] b8f77c80915cc6c6dd07972c88e946bfa85a540deb2a700b5817db73a6517b83