[INFO] cloning repository https://github.com/gballet/jupiter-contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gballet/jupiter-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgballet%2Fjupiter-contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgballet%2Fjupiter-contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16e43af5dc8900de80479bd5a22f3ab30ce8bba0
[INFO] documenting gballet/jupiter-contract against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgballet%2Fjupiter-contract" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gballet/jupiter-contract on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gballet/jupiter-contract
[INFO] finished tweaking git repo https://github.com/gballet/jupiter-contract
[INFO] tweaked toml for git repo https://github.com/gballet/jupiter-contract written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/gballet/jupiter-contract already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jupiter-account v0.1.10
[INFO] [stderr]   Downloaded multiproof-rs v0.1.9
[INFO] [stderr]   Downloaded serde_cbor v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d73b82eb1bffed298db3badda8c0c2c5377777551423966d6c773cd6d0466939
[INFO] running `Command { std: "docker" "start" "-a" "d73b82eb1bffed298db3badda8c0c2c5377777551423966d6c773cd6d0466939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d73b82eb1bffed298db3badda8c0c2c5377777551423966d6c773cd6d0466939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d73b82eb1bffed298db3badda8c0c2c5377777551423966d6c773cd6d0466939", kill_on_drop: false }`
[INFO] [stdout] d73b82eb1bffed298db3badda8c0c2c5377777551423966d6c773cd6d0466939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 627d72b0dda3c9e1d750466be5a6b7e82491dde73a7de9e781f89ea608cd6a9d
[INFO] running `Command { std: "docker" "start" "-a" "627d72b0dda3c9e1d750466be5a6b7e82491dde73a7de9e781f89ea608cd6a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking crunchy v0.2.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking multiproof-rs v0.1.9
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/multiproof-rs-0.1.9/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax, box_patterns)]
[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 `multiproof-rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "627d72b0dda3c9e1d750466be5a6b7e82491dde73a7de9e781f89ea608cd6a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "627d72b0dda3c9e1d750466be5a6b7e82491dde73a7de9e781f89ea608cd6a9d", kill_on_drop: false }`
[INFO] [stdout] 627d72b0dda3c9e1d750466be5a6b7e82491dde73a7de9e781f89ea608cd6a9d
