[INFO] cloning repository https://github.com/ebfull/powersoftau
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ebfull/powersoftau" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febfull%2Fpowersoftau", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febfull%2Fpowersoftau'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5429415959175082207fd61c10319e47a6b56e87
[INFO] documenting ebfull/powersoftau against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febfull%2Fpowersoftau" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ebfull/powersoftau on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ebfull/powersoftau
[INFO] finished tweaking git repo https://github.com/ebfull/powersoftau
[INFO] tweaked toml for git repo https://github.com/ebfull/powersoftau written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ebfull/powersoftau already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-mac v0.4.0
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded bellman v0.1.0
[INFO] [stderr]   Downloaded blake2 v0.6.1
[INFO] [stderr]   Downloaded futures v0.1.21
[INFO] [stderr]   Downloaded generic-array v0.8.3
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] [stderr]   Downloaded digest v0.6.2
[INFO] [stderr]   Downloaded hex-literal-impl v0.1.1
[INFO] [stderr]   Downloaded crossbeam v0.3.2
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.0
[INFO] [stderr]   Downloaded hex-literal v0.1.1
[INFO] [stderr]   Downloaded byteorder v1.2.2
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded pairing v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", 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] 2fe2806d8a8491278bccf04f5e3a31ae448e087af3777229d2bb9e5755d645ee
[INFO] running `Command { std: "docker" "start" "-a" "2fe2806d8a8491278bccf04f5e3a31ae448e087af3777229d2bb9e5755d645ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fe2806d8a8491278bccf04f5e3a31ae448e087af3777229d2bb9e5755d645ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe2806d8a8491278bccf04f5e3a31ae448e087af3777229d2bb9e5755d645ee", kill_on_drop: false }`
[INFO] [stdout] 2fe2806d8a8491278bccf04f5e3a31ae448e087af3777229d2bb9e5755d645ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aac65d21d1d36d3beb41477828e74928ff0307999c157590830901a039d9b36
[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" "1aac65d21d1d36d3beb41477828e74928ff0307999c157590830901a039d9b36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]     Checking pairing v0.14.1
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking blake2 v0.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]     Checking bellman v0.1.0
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]     Checking hex-literal v0.1.1
[INFO] [stderr]     Checking powersoftau v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting powersoftau v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:57:34
[INFO] [stdout]    |
[INFO] [stdout] 57 | const TAU_POWERS_LENGTH: usize = (1 << 21);
[INFO] [stdout]    |                                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:664:21
[INFO] [stdout]     |
[INFO] [stdout] 44  | use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                 --- the item `Arc` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 664 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:664:26
[INFO] [stdout]     |
[INFO] [stdout] 44  | use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                      ----- the item `Mutex` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 664 |     use std::sync::{Arc, Mutex};
[INFO] [stdout]     |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:57:34
[INFO] [stdout]    |
[INFO] [stdout] 57 | const TAU_POWERS_LENGTH: usize = (1 << 21);
[INFO] [stdout]    |                                  ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]   --> src/bin/beacon.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut cur_hash: [u8; 32] = hex!("00000000000000000034b33e842ac1c50456abe5fa92b60f6b3dfc5d247f7b58");
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: assertion failed: source.starts_with(prefix)
[INFO] [stdout]    = note: this error originates in the macro `hex` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `proc_macro_call` in this scope
[INFO] [stdout]   --> src/bin/beacon.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut cur_hash: [u8; 32] = hex!("00000000000000000034b33e842ac1c50456abe5fa92b60f6b3dfc5d247f7b58");
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `hex` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `powersoftau`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name beacon src/bin/beacon.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bellman=/opt/rustwide/target/debug/deps/libbellman-542caba31ff5d241.rmeta --extern blake2=/opt/rustwide/target/debug/deps/libblake2-9c3e740190e47443.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-e755f5e5da3fd1d1.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-9a61dc5ecbad376f.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-d350f9fe143f5b2a.rmeta --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-1a15bcc29d2b3e8f.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-46fb83d71a041418.rmeta --extern pairing=/opt/rustwide/target/debug/deps/libpairing-e52b8b8d4db0808f.rmeta --extern powersoftau=/opt/rustwide/target/debug/deps/libpowersoftau-0dc414737f66724f.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-2e1fabd91ddf3550.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-ce25c93569c06502.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-345e76ff7bb8ec0c.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1aac65d21d1d36d3beb41477828e74928ff0307999c157590830901a039d9b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aac65d21d1d36d3beb41477828e74928ff0307999c157590830901a039d9b36", kill_on_drop: false }`
[INFO] [stdout] 1aac65d21d1d36d3beb41477828e74928ff0307999c157590830901a039d9b36
