[INFO] updating cached repository https://github.com/Xe/helloworld
[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] 72070a688e321a2cd5871cdf5782c63c459ad092
[INFO] checking Xe/helloworld against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXe%2Fhelloworld" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Xe/helloworld on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Xe/helloworld
[INFO] removed workspace from git repo https://github.com/Xe/helloworld
[INFO] finished tweaking git repo https://github.com/Xe/helloworld
[INFO] tweaked toml for git repo https://github.com/Xe/helloworld written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Xe/helloworld already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] b6b277d1ef0943a2bc7fa24291b1aafc9a88cb38e0e2e7ab8351ac6b69efec80
[INFO] running `"docker" "start" "-a" "b6b277d1ef0943a2bc7fa24291b1aafc9a88cb38e0e2e7ab8351ac6b69efec80"`
[INFO] [stderr]    Compiling schemars v0.6.5
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]     Checking ring v0.13.5
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.9
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling snafu-derive v0.6.6
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking cookie v0.11.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking rocket_http v0.4.4
[INFO] [stderr]     Checking prometheus v0.8.0
[INFO] [stderr]    Compiling schemars_derive v0.6.5
[INFO] [stderr]     Checking snafu v0.6.6
[INFO] [stderr]     Checking psutil v3.0.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling rocket_codegen v0.4.4
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling rocket_okapi_codegen v0.3.6
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking rocket v0.4.4
[INFO] [stderr]     Checking okapi v0.3.0
[INFO] [stderr]     Checking rocket_contrib v0.4.4
[INFO] [stderr]     Checking rocket_prometheus v0.4.0
[INFO] [stderr]     Checking rocket_okapi v0.3.6
[INFO] [stderr]     Checking helloworld v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 34s
[INFO] running `"docker" "inspect" "b6b277d1ef0943a2bc7fa24291b1aafc9a88cb38e0e2e7ab8351ac6b69efec80"`
[INFO] running `"docker" "rm" "-f" "b6b277d1ef0943a2bc7fa24291b1aafc9a88cb38e0e2e7ab8351ac6b69efec80"`
[INFO] [stdout] b6b277d1ef0943a2bc7fa24291b1aafc9a88cb38e0e2e7ab8351ac6b69efec80