[INFO] fetching crate tentacle-secio 0.3.4...
[INFO] documenting tentacle-secio-0.3.4 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate tentacle-secio 0.3.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tentacle-secio 0.3.4 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tentacle-secio 0.3.4
[INFO] finished tweaking crates.io crate tentacle-secio 0.3.4
[INFO] tweaked toml for crates.io crate tentacle-secio 0.3.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate tentacle-secio 0.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7205eaac4012b1c595005b01b915811c3f6df00f874533903e040179ae63ffc6
[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" "7205eaac4012b1c595005b01b915811c3f6df00f874533903e040179ae63ffc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7205eaac4012b1c595005b01b915811c3f6df00f874533903e040179ae63ffc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7205eaac4012b1c595005b01b915811c3f6df00f874533903e040179ae63ffc6", kill_on_drop: false }`
[INFO] [stdout] 7205eaac4012b1c595005b01b915811c3f6df00f874533903e040179ae63ffc6
[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" "RUSTDOCFLAGS=--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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d94a88372d9d34742f2d7eaccc0c35c7efbcb1ef28dbbc3b7d8857200bbcade
[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" "3d94a88372d9d34742f2d7eaccc0c35c7efbcb1ef28dbbc3b7d8857200bbcade", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling tentacle-secio v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling ring v0.16.12
[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 rand v0.7.3
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking secp256k1 v0.17.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]  Documenting tentacle-secio v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: Please choose a serialization format via feature. Possible choices: flatc, molc
[INFO] [stdout]   --> src/handshake/mod.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | compile_error!("Please choose a serialization format via feature. Possible choices: flatc, molc");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `tentacle-secio`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tentacle_secio src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bs58=/opt/rustwide/target/debug/deps/libbs58-ddbc2623bae3b687.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-7b2805cc1ca9dd79.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-e9563dde4038551d.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0aada07bd69e847b.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-690967df35921f78.rmeta --extern openssl_sys=/opt/rustwide/target/debug/deps/libopenssl_sys-68576252f7afc4dc.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-3ab3bfa30110ec03.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-4d98a6682d860ccf.rmeta --extern secp256k1=/opt/rustwide/target/debug/deps/libsecp256k1-0345aff0bdb99b6d.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0322dafda10431ff.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-b571a6d0aed821b4.rmeta --extern unsigned_varint=/opt/rustwide/target/debug/deps/libunsigned_varint-82b0d58a83fa8ed7.rmeta --cap-lints=forbid --cfg ossl110` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "3d94a88372d9d34742f2d7eaccc0c35c7efbcb1ef28dbbc3b7d8857200bbcade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d94a88372d9d34742f2d7eaccc0c35c7efbcb1ef28dbbc3b7d8857200bbcade", kill_on_drop: false }`
[INFO] [stdout] 3d94a88372d9d34742f2d7eaccc0c35c7efbcb1ef28dbbc3b7d8857200bbcade