[INFO] cloning repository https://github.com/vbrandl/bind9-api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vbrandl/bind9-api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbrandl%2Fbind9-api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbrandl%2Fbind9-api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bee19e4c78f983be5ec0b2f5a7cf20c9225887e5
[INFO] checking vbrandl/bind9-api against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvbrandl%2Fbind9-api" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vbrandl/bind9-api on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vbrandl/bind9-api
[INFO] finished tweaking git repo https://github.com/vbrandl/bind9-api
[INFO] tweaked toml for git repo https://github.com/vbrandl/bind9-api written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vbrandl/bind9-api already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a14c7da9dc1479f4805c87a9a5cc8227ba9564815022be28de72d2bb76c0e06d
[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" "a14c7da9dc1479f4805c87a9a5cc8227ba9564815022be28de72d2bb76c0e06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a14c7da9dc1479f4805c87a9a5cc8227ba9564815022be28de72d2bb76c0e06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14c7da9dc1479f4805c87a9a5cc8227ba9564815022be28de72d2bb76c0e06d", kill_on_drop: false }`
[INFO] [stdout] a14c7da9dc1479f4805c87a9a5cc8227ba9564815022be28de72d2bb76c0e06d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "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] f56220619ca8504ef0357dd1427494feb61138745f4365d31ed98f33ccc60717
[INFO] running `Command { std: "docker" "start" "-a" "f56220619ca8504ef0357dd1427494feb61138745f4365d31ed98f33ccc60717", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
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[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking openssl-sys v0.9.47
[INFO] [stderr]    Compiling native-tls v0.2.3
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[INFO] [stderr]     Checking parking_lot v0.7.1
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[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking h2 v0.1.20
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling v_escape_derive v0.5.3
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking crypto v0.1.0 (/opt/rustwide/workdir/crypto)
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `String` in the current scope
[INFO] [stdout]   --> crypto/src/lib.rs:97:66
[INFO] [stdout]    |
[INFO] [stdout] 97 |             assert_eq!(hex_str_to_bytes(&bytes_to_hex_str(&data).unwrap()).unwrap(), data);
[INFO] [stdout]    |                                                                  ^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crypto`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f56220619ca8504ef0357dd1427494feb61138745f4365d31ed98f33ccc60717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56220619ca8504ef0357dd1427494feb61138745f4365d31ed98f33ccc60717", kill_on_drop: false }`
[INFO] [stdout] f56220619ca8504ef0357dd1427494feb61138745f4365d31ed98f33ccc60717