[INFO] cloning repository https://github.com/mishazharov/cryptopals_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mishazharov/cryptopals_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishazharov%2Fcryptopals_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmishazharov%2Fcryptopals_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53b45881c48e385fecf88a9a33bb11564e98511b
[INFO] documenting mishazharov/cryptopals_rust 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%2Fmishazharov%2Fcryptopals_rust" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mishazharov/cryptopals_rust 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/mishazharov/cryptopals_rust
[INFO] finished tweaking git repo https://github.com/mishazharov/cryptopals_rust
[INFO] tweaked toml for git repo https://github.com/mishazharov/cryptopals_rust written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/mishazharov/cryptopals_rust 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-literal v0.3.0
[INFO] [stderr]   Downloaded md4 v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 03598c199c90bca80e748c7c345da12cd152a5b7d5a4e733448a2ca43f810a19
[INFO] running `Command { std: "docker" "start" "-a" "03598c199c90bca80e748c7c345da12cd152a5b7d5a4e733448a2ca43f810a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03598c199c90bca80e748c7c345da12cd152a5b7d5a4e733448a2ca43f810a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03598c199c90bca80e748c7c345da12cd152a5b7d5a4e733448a2ca43f810a19", kill_on_drop: false }`
[INFO] [stdout] 03598c199c90bca80e748c7c345da12cd152a5b7d5a4e733448a2ca43f810a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 3ba39d3627106d934412dabf11baa60aae45577f63d3dba4983bc60368195642
[INFO] running `Command { std: "docker" "start" "-a" "3ba39d3627106d934412dabf11baa60aae45577f63d3dba4983bc60368195642", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling hex-literal v0.3.0
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.0/src/biguint.rs:198:10
[INFO] [stdout]     |
[INFO] [stdout] 198 |         .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-0.3.0/src/biguint.rs:198:19
[INFO] [stdout]     |
[INFO] [stdout] 198 |         .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] 198 -         .div_ceil(&big_digit::BITS.into())
[INFO] [stdout] 198 +         .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-0.3.0/src/biguint.rs:1700:41
[INFO] [stdout]      |
[INFO] [stdout] 1700 |             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-0.3.0/src/biguint.rs:1700:50
[INFO] [stdout]      |
[INFO] [stdout] 1700 |             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] 1700 -             let root_scale = extra_bits.div_ceil(&n64);
[INFO] [stdout] 1700 +             let root_scale = extra_bits.div_ceil(n64);
[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-0.3.0/src/biguint.rs:2119:10
[INFO] [stdout]      |
[INFO] [stdout] 2119 |         .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-0.3.0/src/biguint.rs:2119:19
[INFO] [stdout]      |
[INFO] [stdout] 2119 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]      |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]      |
[INFO] [stdout] 2119 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 2119 +         .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-0.3.0/src/biguint.rs:2147:10
[INFO] [stdout]      |
[INFO] [stdout] 2147 |         .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-0.3.0/src/biguint.rs:2147:19
[INFO] [stdout]      |
[INFO] [stdout] 2147 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]      |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]      |
[INFO] [stdout] 2147 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 2147 +         .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-0.3.0/src/bigrand.rs:70:38
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let native_digits = bit_size.div_ceil(&64);
[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-0.3.0/src/bigrand.rs:70:47
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let native_digits = bit_size.div_ceil(&64);
[INFO] [stdout]    |                                               ^^^ expected `u64`, found `&{integer}`
[INFO] [stdout]    |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 70 -         let native_digits = bit_size.div_ceil(&64);
[INFO] [stdout] 70 +         let native_digits = bit_size.div_ceil(64);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 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 11 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3ba39d3627106d934412dabf11baa60aae45577f63d3dba4983bc60368195642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba39d3627106d934412dabf11baa60aae45577f63d3dba4983bc60368195642", kill_on_drop: false }`
[INFO] [stdout] 3ba39d3627106d934412dabf11baa60aae45577f63d3dba4983bc60368195642