[INFO] cloning repository https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F603e3e81647dfd24%2Feurocrypt-stacking-2021-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F603e3e81647dfd24%2Feurocrypt-stacking-2021-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79d7b923bedb86e999aed0615a0028a97fb8c88d
[INFO] documenting 603e3e81647dfd24/eurocrypt-stacking-2021-code 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%2F603e3e81647dfd24%2Feurocrypt-stacking-2021-code" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code 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/603e3e81647dfd24/eurocrypt-stacking-2021-code
[INFO] finished tweaking git repo https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code
[INFO] tweaked toml for git repo https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] [stdout] 10504212b142279b8923fd41669d823231290e82a8bc766fa61f317f06bbabeb
[INFO] running `Command { std: "docker" "start" "-a" "10504212b142279b8923fd41669d823231290e82a8bc766fa61f317f06bbabeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10504212b142279b8923fd41669d823231290e82a8bc766fa61f317f06bbabeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10504212b142279b8923fd41669d823231290e82a8bc766fa61f317f06bbabeb", kill_on_drop: false }`
[INFO] [stdout] 10504212b142279b8923fd41669d823231290e82a8bc766fa61f317f06bbabeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] [stdout] cdd83a9ac85ccddc2cb74a3f52fadae86ea10dd78db7489158e390b6911dbdf4
[INFO] running `Command { std: "docker" "start" "-a" "cdd83a9ac85ccddc2cb74a3f52fadae86ea10dd78db7489158e390b6911dbdf4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]  Documenting stacksig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[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] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `stacksig`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name stacksig src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=07ceb8e523f166ca -L dependency=/opt/rustwide/target/debug/deps --extern curve25519_dalek=/opt/rustwide/target/debug/deps/libcurve25519_dalek-3d3a31e1f82bb79a.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-eb0ecd2aab30078c.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-89e5f5c6b1062477.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-96c7a2cd9d71e981.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cdd83a9ac85ccddc2cb74a3f52fadae86ea10dd78db7489158e390b6911dbdf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd83a9ac85ccddc2cb74a3f52fadae86ea10dd78db7489158e390b6911dbdf4", kill_on_drop: false }`
[INFO] [stdout] cdd83a9ac85ccddc2cb74a3f52fadae86ea10dd78db7489158e390b6911dbdf4