[INFO] cloning repository https://github.com/jeremyletang/balrog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremyletang/balrog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyletang%2Fbalrog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyletang%2Fbalrog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4832f83478b9bf4df28ac5dd894e63366d7b735d
[INFO] documenting jeremyletang/balrog against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremyletang%2Fbalrog" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeremyletang/balrog on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeremyletang/balrog
[INFO] finished tweaking git repo https://github.com/jeremyletang/balrog
[INFO] tweaked toml for git repo https://github.com/jeremyletang/balrog written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremyletang/balrog already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 682c3a358d868d2b17a3b1f32ef1222d80f83fd44177b0e3657886d44db45d18
[INFO] running `Command { std: "docker" "start" "-a" "682c3a358d868d2b17a3b1f32ef1222d80f83fd44177b0e3657886d44db45d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "682c3a358d868d2b17a3b1f32ef1222d80f83fd44177b0e3657886d44db45d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "682c3a358d868d2b17a3b1f32ef1222d80f83fd44177b0e3657886d44db45d18", kill_on_drop: false }`
[INFO] [stdout] 682c3a358d868d2b17a3b1f32ef1222d80f83fd44177b0e3657886d44db45d18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 66faf74f25cfdb5f598b42f93d1d6261e432c9798f15f6e3415cc690f1a09022
[INFO] running `Command { std: "docker" "start" "-a" "66faf74f25cfdb5f598b42f93d1d6261e432c9798f15f6e3415cc690f1a09022", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking bitcoin_hashes v0.9.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ed25519-compact v0.1.11
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking slip10 v0.1.0 (/opt/rustwide/workdir/slip10)
[INFO] [stderr]  Documenting slip10 v0.1.0 (/opt/rustwide/workdir/slip10)
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> slip10/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slip10` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> slip10/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `slip10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name slip10 slip10/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=629adec1943e2d27 -L dependency=/opt/rustwide/target/debug/deps --extern base58=/opt/rustwide/target/debug/deps/libbase58-1fae06a883220c8c.rmeta --extern ed25519_compact=/opt/rustwide/target/debug/deps/libed25519_compact-f7c4b32fc3cdc640.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-e363d6a41d9ffc70.rmeta --extern hmac=/opt/rustwide/target/debug/deps/libhmac-dcdb5539dc790784.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-93251fd65088a55f.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-6c7d95f01bb8ca36.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "66faf74f25cfdb5f598b42f93d1d6261e432c9798f15f6e3415cc690f1a09022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66faf74f25cfdb5f598b42f93d1d6261e432c9798f15f6e3415cc690f1a09022", kill_on_drop: false }`
[INFO] [stdout] 66faf74f25cfdb5f598b42f93d1d6261e432c9798f15f6e3415cc690f1a09022