[INFO] updating cached repository https://github.com/derekdreery/jack-volume
[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] a7bdbf9b602a33c377c32008ec52c41be0413a3b
[INFO] checking derekdreery/jack-volume against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekdreery%2Fjack-volume" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/derekdreery/jack-volume on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/derekdreery/jack-volume
[INFO] removed path dependency jack from git repo https://github.com/derekdreery/jack-volume
[INFO] finished tweaking git repo https://github.com/derekdreery/jack-volume
[INFO] tweaked toml for git repo https://github.com/derekdreery/jack-volume written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/derekdreery/jack-volume already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (jack) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/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[INFO] the lockfile is outdated, regenerating it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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (jack) 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 6864c6379a3c7b38e7fd642ca13a7b687cb260ec0301b0c2d74379583ab01326
[INFO] running `"docker" "start" "-a" "6864c6379a3c7b38e7fd642ca13a7b687cb260ec0301b0c2d74379583ab01326"`
[INFO] [stderr] warning: dependency (jack) 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking jack-sys v0.2.0
[INFO] [stderr]     Checking jack v0.6.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking glib v0.8.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking pretty_env_logger v0.3.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking nom-midi v0.5.1
[INFO] [stderr]     Checking jack-volume v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `"docker" "inspect" "6864c6379a3c7b38e7fd642ca13a7b687cb260ec0301b0c2d74379583ab01326"`
[INFO] running `"docker" "rm" "-f" "6864c6379a3c7b38e7fd642ca13a7b687cb260ec0301b0c2d74379583ab01326"`
[INFO] [stdout] 6864c6379a3c7b38e7fd642ca13a7b687cb260ec0301b0c2d74379583ab01326