[INFO] updating cached repository https://github.com/flatcar-linux/coreos-metadata
[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] [stderr] From https://github.com/flatcar-linux/coreos-metadata
[INFO] [stderr]  * [new branch]      build-2296.99.0 -> build-2296.99.0
[INFO] [stderr]  * [new branch]      build-2303.0.0  -> build-2303.0.0
[INFO] [stderr]  * [new branch]      build-2303.99.0 -> build-2303.99.0
[INFO] [stderr]    c99ae40..404e2cd  master          -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stderr] warning: refname 'HEAD' is ambiguous.
[INFO] [stdout] 56549117e7ac1941e41ff0274da6950617377fff
[INFO] checking flatcar-linux/coreos-metadata against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflatcar-linux%2Fcoreos-metadata" "/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/flatcar-linux/coreos-metadata on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/flatcar-linux/coreos-metadata
[INFO] finished tweaking git repo https://github.com/flatcar-linux/coreos-metadata
[INFO] tweaked toml for git repo https://github.com/flatcar-linux/coreos-metadata written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/flatcar-linux/coreos-metadata already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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=allow" "-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" "+beta-2019-10-27" "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] 19622e6de1a2062ebedb18f1623fdd8128331543bc44f419d1941f5ec3794162
[INFO] running `"docker" "start" "-a" "19622e6de1a2062ebedb18f1623fdd8128331543bc44f419d1941f5ec3794162"`
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking pnet_sys v0.22.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking users v0.8.1
[INFO] [stderr]     Checking nix v0.13.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking serde-xml-rs v0.2.1
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking pnet_datalink v0.22.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking openssh-keys v0.4.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking slog-scope v4.0.1
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking mockito v0.17.0
[INFO] [stderr]     Checking h2 v0.1.14
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking hyper v0.12.18
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.5
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.21.0
[INFO] [stderr]    Compiling pnet_packet v0.22.0
[INFO] [stderr]     Checking pnet_transport v0.22.0
[INFO] [stderr]     Checking pnet v0.22.0
[INFO] [stderr]     Checking afterburn v4.0.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 45s
[INFO] running `"docker" "inspect" "19622e6de1a2062ebedb18f1623fdd8128331543bc44f419d1941f5ec3794162"`
[INFO] running `"docker" "rm" "-f" "19622e6de1a2062ebedb18f1623fdd8128331543bc44f419d1941f5ec3794162"`
[INFO] [stdout] 19622e6de1a2062ebedb18f1623fdd8128331543bc44f419d1941f5ec3794162