[INFO] fetching crate iota-signing-preview 0.1.0...
[INFO] documenting iota-signing-preview-0.1.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate iota-signing-preview 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate iota-signing-preview 0.1.0 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 iota-signing-preview 0.1.0
[INFO] finished tweaking crates.io crate iota-signing-preview 0.1.0
[INFO] tweaked toml for crates.io crate iota-signing-preview 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iota-ternary-preview v0.1.0
[INFO] [stderr]   Downloaded iota-crypto-preview v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 113bb433ca5d5962463a430ed2b6662803083973c6f389918b8a07be5f29369a
[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" "113bb433ca5d5962463a430ed2b6662803083973c6f389918b8a07be5f29369a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "113bb433ca5d5962463a430ed2b6662803083973c6f389918b8a07be5f29369a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113bb433ca5d5962463a430ed2b6662803083973c6f389918b8a07be5f29369a", kill_on_drop: false }`
[INFO] [stdout] 113bb433ca5d5962463a430ed2b6662803083973c6f389918b8a07be5f29369a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15ce2bfbc7607d58db813f7aa8196ae6ca78f3745686be6454a4d3681f4d0b84
[INFO] running `Command { std: "docker" "start" "-a" "15ce2bfbc7607d58db813f7aa8196ae6ca78f3745686be6454a4d3681f4d0b84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking iota-common-preview v0.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking iota-ternary-preview v0.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking iota-crypto-preview v0.1.0
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]  Documenting iota-signing-preview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.71s
[INFO] running `Command { std: "docker" "inspect" "15ce2bfbc7607d58db813f7aa8196ae6ca78f3745686be6454a4d3681f4d0b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ce2bfbc7607d58db813f7aa8196ae6ca78f3745686be6454a4d3681f4d0b84", kill_on_drop: false }`
[INFO] [stdout] 15ce2bfbc7607d58db813f7aa8196ae6ca78f3745686be6454a4d3681f4d0b84