[INFO] updating cached repository https://github.com/coreos/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/coreos/coreos-metadata
[INFO] [stderr]    3a5de1f..e7b24af  master        -> master
[INFO] [stderr]  * [new branch]      release-4.4.0 -> release-4.4.0
[INFO] [stderr]  * [new tag]         v4.4.0        -> v4.4.0
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7b24af60896e523c384e042e04e8184f89d5a4c
[INFO] checking coreos/coreos-metadata against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoreos%2Fcoreos-metadata" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coreos/coreos-metadata on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/coreos/coreos-metadata
[INFO] finished tweaking git repo https://github.com/coreos/coreos-metadata
[INFO] tweaked toml for git repo https://github.com/coreos/coreos-metadata written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/coreos/coreos-metadata already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 60b8c035db783f3f805446ae5146bf6c72bc5f97997dc784d3c0cf8fd04f56d4
[INFO] running `"docker" "start" "-a" "60b8c035db783f3f805446ae5146bf6c72bc5f97997dc784d3c0cf8fd04f56d4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking pnet_base v0.26.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking base64 v0.12.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling vmw_backdoor v0.1.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking pnet_sys v0.26.0
[INFO] [stderr]     Checking users v0.10.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling extend v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.18
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking ipnetwork v0.16.0
[INFO] [stderr]     Checking serde-xml-rs v0.4.0
[INFO] [stderr]     Checking pnet_datalink v0.26.0
[INFO] [stderr]     Checking libsystemd v0.2.1
[INFO] [stderr]     Checking assert-json-diff v1.0.3
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking mockito v0.25.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking afterburn v4.4.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 21s
[INFO] running `"docker" "inspect" "60b8c035db783f3f805446ae5146bf6c72bc5f97997dc784d3c0cf8fd04f56d4"`
[INFO] running `"docker" "rm" "-f" "60b8c035db783f3f805446ae5146bf6c72bc5f97997dc784d3c0cf8fd04f56d4"`
[INFO] [stdout] 60b8c035db783f3f805446ae5146bf6c72bc5f97997dc784d3c0cf8fd04f56d4