[INFO] cloning repository https://github.com/nyantec/thrusftp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyantec/thrusftp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyantec%2Fthrusftp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyantec%2Fthrusftp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7eff535dabaa814a5b45aaa7df9bccba65887799
[INFO] documenting nyantec/thrusftp against beta-2021-09-08 for beta-1.56-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyantec%2Fthrusftp" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyantec/thrusftp on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nyantec/thrusftp
[INFO] finished tweaking git repo https://github.com/nyantec/thrusftp
[INFO] tweaked toml for git repo https://github.com/nyantec/thrusftp written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nyantec/thrusftp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-stream v0.1.7
[INFO] [stderr]   Downloaded blowfish v0.8.0
[INFO] [stderr]   Downloaded yasna v0.4.0
[INFO] [stderr]   Downloaded anyhow v1.0.43
[INFO] [stderr]   Downloaded openssl v0.10.36
[INFO] [stderr]   Downloaded bcrypt-pbkdf v0.6.2
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.66
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded block-modes v0.8.1
[INFO] [stderr]   Downloaded password-hash v0.2.2
[INFO] [stderr]   Downloaded base64ct v1.0.1
[INFO] [stderr]   Downloaded thrussh-libsodium v0.2.1
[INFO] [stderr]   Downloaded cryptovec v0.6.1
[INFO] [stderr]   Downloaded libsodium-sys v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d23c242587acbe2ac14a6660b9c567792156dcff1b67cb3bec6fa0590819369
[INFO] running `Command { std: "docker" "start" "-a" "1d23c242587acbe2ac14a6660b9c567792156dcff1b67cb3bec6fa0590819369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d23c242587acbe2ac14a6660b9c567792156dcff1b67cb3bec6fa0590819369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d23c242587acbe2ac14a6660b9c567792156dcff1b67cb3bec6fa0590819369", kill_on_drop: false }`
[INFO] [stdout] 1d23c242587acbe2ac14a6660b9c567792156dcff1b67cb3bec6fa0590819369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a9d653fcfadd6f701d71eb234c8f21b72b50f7ed64ef231b40f9d5babb7656
[INFO] running `Command { std: "docker" "start" "-a" "52a9d653fcfadd6f701d71eb234c8f21b72b50f7ed64ef231b40f9d5babb7656", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking proc-macro2 v1.0.28
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]     Checking anyhow v1.0.43
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking blowfish v0.8.0
[INFO] [stderr]     Checking block-modes v0.8.1
[INFO] [stderr]     Checking aes v0.7.4
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking cryptovec v0.6.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking password-hash v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.4.0/src/biguint/convert.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 |         .div_ceil(&big_digit::BITS.into())
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.4.0/src/biguint/convert.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 |         .div_ceil(&big_digit::BITS.into())
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^ expected `u64`, found reference
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected type `u64`
[INFO] [stdout]            found reference `&_`
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 70 -         .div_ceil(&big_digit::BITS.into())
[INFO] [stdout] 70 +         .div_ceil(big_digit::BITS.into())
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.4.0/src/biguint/convert.rs:585:10
[INFO] [stdout]     |
[INFO] [stdout] 585 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.4.0/src/biguint/convert.rs:585:19
[INFO] [stdout]     |
[INFO] [stdout] 585 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 585 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 585 +         .div_ceil(u64::from(bits))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.4.0/src/biguint/convert.rs:613:10
[INFO] [stdout]     |
[INFO] [stdout] 613 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.4.0/src/biguint/convert.rs:613:19
[INFO] [stdout]     |
[INFO] [stdout] 613 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 613 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 613 +         .div_ceil(u64::from(bits))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.4.0/src/biguint.rs:398:45
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 let root_scale = extra_bits.div_ceil(&n64);
[INFO] [stdout]     |                                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.4.0/src/biguint.rs:398:54
[INFO] [stdout]     |
[INFO] [stdout] 398 |                 let root_scale = extra_bits.div_ceil(&n64);
[INFO] [stdout]     |                                                      ^^^^ expected `u64`, found `&u64`
[INFO] [stdout]     |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 398 -                 let root_scale = extra_bits.div_ceil(&n64);
[INFO] [stdout] 398 +                 let root_scale = extra_bits.div_ceil(n64);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-bigint` due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "52a9d653fcfadd6f701d71eb234c8f21b72b50f7ed64ef231b40f9d5babb7656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a9d653fcfadd6f701d71eb234c8f21b72b50f7ed64ef231b40f9d5babb7656", kill_on_drop: false }`
[INFO] [stdout] 52a9d653fcfadd6f701d71eb234c8f21b72b50f7ed64ef231b40f9d5babb7656