[INFO] updating cached repository https://github.com/clemado1/rust-exercise
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 545c08c97d92f7907ec656e91c78692fa76bd153
[INFO] checking clemado1/rust-exercise against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclemado1%2Frust-exercise" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  57% (522/911)   
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Checking out files: 100% (911/911), done.
[INFO] validating manifest of git repo https://github.com/clemado1/rust-exercise on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/clemado1/rust-exercise
[INFO] removed workspace from git repo https://github.com/clemado1/rust-exercise
[INFO] removed path dependency blog from git repo https://github.com/clemado1/rust-exercise
[INFO] removed path dependency gui from git repo https://github.com/clemado1/rust-exercise
[INFO] finished tweaking git repo https://github.com/clemado1/rust-exercise
[INFO] tweaked toml for git repo https://github.com/clemado1/rust-exercise written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/clemado1/rust-exercise already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (blog) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (gui) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (blog) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (gui) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf2d89b480ae5ea2905316b29594553ec106014137b5d275e63722813274e48e
[INFO] running `"docker" "start" "-a" "bf2d89b480ae5ea2905316b29594553ec106014137b5d275e63722813274e48e"`
[INFO] [stderr] warning: dependency (blog) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (gui) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking blog v0.0.0
[INFO] [stderr]    Compiling gui-derive v0.4.0
[INFO] [stderr]     Checking gui v0.4.0
[INFO] [stderr]     Checking rust_exercise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.91s
[INFO] running `"docker" "inspect" "bf2d89b480ae5ea2905316b29594553ec106014137b5d275e63722813274e48e"`
[INFO] running `"docker" "rm" "-f" "bf2d89b480ae5ea2905316b29594553ec106014137b5d275e63722813274e48e"`
[INFO] [stdout] bf2d89b480ae5ea2905316b29594553ec106014137b5d275e63722813274e48e