[INFO] cloning repository https://github.com/Rengo-Labs/CasperLabs-ERC777
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rengo-Labs/CasperLabs-ERC777" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRengo-Labs%2FCasperLabs-ERC777", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRengo-Labs%2FCasperLabs-ERC777'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 054e6da8985da11b366528421388d03868be4c5f
[INFO] documenting Rengo-Labs/CasperLabs-ERC777 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRengo-Labs%2FCasperLabs-ERC777" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rengo-Labs/CasperLabs-ERC777 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Rengo-Labs/CasperLabs-ERC777
[INFO] finished tweaking git repo https://github.com/Rengo-Labs/CasperLabs-ERC777
[INFO] tweaked toml for git repo https://github.com/Rengo-Labs/CasperLabs-ERC777 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Rengo-Labs/CasperLabs-ERC777 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded casper-execution-engine v1.3.2
[INFO] [stderr]   Downloaded casper-engine-test-support v1.3.2
[INFO] [stderr]   Downloaded casper-contract v1.3.2
[INFO] [stderr]   Downloaded casper-types v1.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 011dd352d0128bd7f950a05d1de2ae79f9fb86433db01721f95cc30f4e61139d
[INFO] running `Command { std: "docker" "start" "-a" "011dd352d0128bd7f950a05d1de2ae79f9fb86433db01721f95cc30f4e61139d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "011dd352d0128bd7f950a05d1de2ae79f9fb86433db01721f95cc30f4e61139d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011dd352d0128bd7f950a05d1de2ae79f9fb86433db01721f95cc30f4e61139d", kill_on_drop: false }`
[INFO] [stdout] 011dd352d0128bd7f950a05d1de2ae79f9fb86433db01721f95cc30f4e61139d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0491a41b21e6cae4ef38951fb8070cb2b395963b6483b014d08bd538eb5b629
[INFO] running `Command { std: "docker" "start" "-a" "e0491a41b21e6cae4ef38951fb8070cb2b395963b6483b014d08bd538eb5b629", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking bitvec v0.18.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling schemars v0.8.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]  Documenting erc1820-tests v0.1.0 (/opt/rustwide/workdir/example/tests/erc1820-tests)
[INFO] [stderr]  Documenting erc20-tests v0.0.1 (/opt/rustwide/workdir/example/tests/erc20-tests)
[INFO] [stderr]  Documenting erc777-sender-tests v0.0.1 (/opt/rustwide/workdir/example/tests/erc777-sender-tests)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> example/tests/erc777-sender-tests/src/integration_tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting erc777-recipient-tests v0.0.1 (/opt/rustwide/workdir/example/tests/erc777-recipient-tests)
[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 `erc777-sender-tests`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type bin --crate-name erc777_sender_tests example/tests/erc777-sender-tests/src/integration_tests.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=6417f117e5e5367d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> example/tests/erc777-recipient-tests/src/integration_tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[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 `erc777-recipient-tests`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type bin --crate-name erc777_recipient_tests example/tests/erc777-recipient-tests/src/integration_tests.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=779223b6d926777d -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e0491a41b21e6cae4ef38951fb8070cb2b395963b6483b014d08bd538eb5b629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0491a41b21e6cae4ef38951fb8070cb2b395963b6483b014d08bd538eb5b629", kill_on_drop: false }`
[INFO] [stdout] e0491a41b21e6cae4ef38951fb8070cb2b395963b6483b014d08bd538eb5b629
[INFO] documenting Rengo-Labs/CasperLabs-ERC777 against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRengo-Labs%2FCasperLabs-ERC777" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rengo-Labs/CasperLabs-ERC777 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Rengo-Labs/CasperLabs-ERC777
[INFO] finished tweaking git repo https://github.com/Rengo-Labs/CasperLabs-ERC777
[INFO] tweaked toml for git repo https://github.com/Rengo-Labs/CasperLabs-ERC777 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Rengo-Labs/CasperLabs-ERC777 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63723e7adbc0df65f9ad0914c9b13b7e546101ee91bfaab1d2bedb4203264fd9
[INFO] running `Command { std: "docker" "start" "-a" "63723e7adbc0df65f9ad0914c9b13b7e546101ee91bfaab1d2bedb4203264fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63723e7adbc0df65f9ad0914c9b13b7e546101ee91bfaab1d2bedb4203264fd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63723e7adbc0df65f9ad0914c9b13b7e546101ee91bfaab1d2bedb4203264fd9", kill_on_drop: false }`
[INFO] [stdout] 63723e7adbc0df65f9ad0914c9b13b7e546101ee91bfaab1d2bedb4203264fd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c3a1eee4c40ff3e3da6c9c4364998af8cfd64513fa726ef89c90239d71955cb
[INFO] running `Command { std: "docker" "start" "-a" "7c3a1eee4c40ff3e3da6c9c4364998af8cfd64513fa726ef89c90239d71955cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking bitvec v0.18.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling schemars v0.8.3
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]  Documenting erc20-tests v0.0.1 (/opt/rustwide/workdir/example/tests/erc20-tests)
[INFO] [stderr]  Documenting erc777-recipient-tests v0.0.1 (/opt/rustwide/workdir/example/tests/erc777-recipient-tests)
[INFO] [stderr]  Documenting erc777-tests v0.0.1 (/opt/rustwide/workdir/example/tests/erc777-tests)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> example/tests/erc777-recipient-tests/src/integration_tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]  Documenting erc1820-tests v0.1.0 (/opt/rustwide/workdir/example/tests/erc1820-tests)
[INFO] [stderr] error: could not document `erc777-recipient-tests`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type bin --crate-name erc777_recipient_tests example/tests/erc777-recipient-tests/src/integration_tests.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=4bba3fb5359f78ed -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[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]  --> example/tests/erc777-tests/src/integration_tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `erc777-tests`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type bin --crate-name erc777_tests example/tests/erc777-tests/src/integration_tests.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=003913a6501874d1 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7c3a1eee4c40ff3e3da6c9c4364998af8cfd64513fa726ef89c90239d71955cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3a1eee4c40ff3e3da6c9c4364998af8cfd64513fa726ef89c90239d71955cb", kill_on_drop: false }`
[INFO] [stdout] 7c3a1eee4c40ff3e3da6c9c4364998af8cfd64513fa726ef89c90239d71955cb
