[INFO] fetching crate groundhog 0.2.5...
[INFO] checking groundhog-0.2.5 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate groundhog 0.2.5 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate groundhog 0.2.5 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 227e0c28c15fdd519db8e60920bfc6b736b63ef0e8df22f0446a74d3c2e64de5
[INFO] running `Command { std: "docker" "start" "-a" "227e0c28c15fdd519db8e60920bfc6b736b63ef0e8df22f0446a74d3c2e64de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227e0c28c15fdd519db8e60920bfc6b736b63ef0e8df22f0446a74d3c2e64de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227e0c28c15fdd519db8e60920bfc6b736b63ef0e8df22f0446a74d3c2e64de5", kill_on_drop: false }`
[INFO] [stdout] 227e0c28c15fdd519db8e60920bfc6b736b63ef0e8df22f0446a74d3c2e64de5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d0a3b1e122da0d08393d52f1e901fc46548768f2ea816c3f3a0932adfc02006
[INFO] running `Command { std: "docker" "start" "-a" "4d0a3b1e122da0d08393d52f1e901fc46548768f2ea816c3f3a0932adfc02006", kill_on_drop: false }`
[INFO] [stderr]     Checking 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" "4d0a3b1e122da0d08393d52f1e901fc46548768f2ea816c3f3a0932adfc02006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0a3b1e122da0d08393d52f1e901fc46548768f2ea816c3f3a0932adfc02006", kill_on_drop: false }`
[INFO] [stdout] 4d0a3b1e122da0d08393d52f1e901fc46548768f2ea816c3f3a0932adfc02006