[INFO] updating cached repository https://github.com/FauxFaux/annul
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f46330f956bc87ea2919a858e0cf08722ea3781
[INFO] checking FauxFaux/annul against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFauxFaux%2Fannul" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FauxFaux/annul on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FauxFaux/annul
[INFO] finished tweaking git repo https://github.com/FauxFaux/annul
[INFO] tweaked toml for git repo https://github.com/FauxFaux/annul written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/FauxFaux/annul already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7eb059c12552d99e10de9193484435cb9c7b677d1269b23b95454d654aa7fccf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7eb059c12552d99e10de9193484435cb9c7b677d1269b23b95454d654aa7fccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7eb059c12552d99e10de9193484435cb9c7b677d1269b23b95454d654aa7fccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb059c12552d99e10de9193484435cb9c7b677d1269b23b95454d654aa7fccf", kill_on_drop: false }`
[INFO] [stdout] 7eb059c12552d99e10de9193484435cb9c7b677d1269b23b95454d654aa7fccf
[INFO] running `Command { std: "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d05933f6845f0d6977ae86324e38d20afacef303f67a2fa71e592c06dc046769
[INFO] running `Command { std: "docker" "start" "-a" "d05933f6845f0d6977ae86324e38d20afacef303f67a2fa71e592c06dc046769", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking iowrap v0.2.0
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking miniz_oxide v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking ar v0.6.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking libflate v0.1.20
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking twoway v0.2.0
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking filetime v0.2.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tar v0.4.20
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking tempfile-fast v0.3.0
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling lzma-sys v0.1.13
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking zip v0.5.0
[INFO] [stderr]    Compiling blob v0.2.1
[INFO] [stderr]    Compiling zstd-sys v1.4.8+zstd.1.3.8
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking splayers v0.1.0 (https://github.com/FauxFaux/splayers#cfe6fc03)
[INFO] [stderr]     Checking http_req v0.4.4
[INFO] [stderr]     Checking zstd-safe v1.4.7+zstd.1.3.8
[INFO] [stderr]     Checking zstd v0.4.22+zstd.1.3.8
[INFO] [stderr]     Checking annul v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "d05933f6845f0d6977ae86324e38d20afacef303f67a2fa71e592c06dc046769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d05933f6845f0d6977ae86324e38d20afacef303f67a2fa71e592c06dc046769", kill_on_drop: false }`
[INFO] [stdout] d05933f6845f0d6977ae86324e38d20afacef303f67a2fa71e592c06dc046769