[INFO] cloning repository https://github.com/mvniekerk/rust-tty-ws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mvniekerk/rust-tty-ws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvniekerk%2Frust-tty-ws", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvniekerk%2Frust-tty-ws'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee5561bbe1b0d66324628f25f107234159996b68
[INFO] testing mvniekerk/rust-tty-ws against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvniekerk%2Frust-tty-ws" "/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/mvniekerk/rust-tty-ws 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/mvniekerk/rust-tty-ws
[INFO] finished tweaking git repo https://github.com/mvniekerk/rust-tty-ws
[INFO] tweaked toml for git repo https://github.com/mvniekerk/rust-tty-ws written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mvniekerk/rust-tty-ws 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] 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] 8cc5cbfa6f5069eae7b737ba354c27e1e7059fd123d716db4aa9f4ce9530e98f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8cc5cbfa6f5069eae7b737ba354c27e1e7059fd123d716db4aa9f4ce9530e98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cc5cbfa6f5069eae7b737ba354c27e1e7059fd123d716db4aa9f4ce9530e98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc5cbfa6f5069eae7b737ba354c27e1e7059fd123d716db4aa9f4ce9530e98f", kill_on_drop: false }`
[INFO] [stdout] 8cc5cbfa6f5069eae7b737ba354c27e1e7059fd123d716db4aa9f4ce9530e98f
[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" "RUSTFLAGS=--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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab285eff9c53b66edd5a57a374fedd548b1b698b5d1e28c7d1b270f2b3e0b9de
[INFO] running `Command { std: "docker" "start" "-a" "ab285eff9c53b66edd5a57a374fedd548b1b698b5d1e28c7d1b270f2b3e0b9de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling once_cell v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling v_escape v0.15.0
[INFO] [stderr]    Compiling v_htmlescape v0.12.0
[INFO] [stderr]    Compiling simple-error v0.2.3
[INFO] [stderr]    Compiling chart v0.1.0 (/opt/rustwide/workdir/chart)
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling buf-min v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling darling_core v0.12.2
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.70
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling actix-threadpool v0.3.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling v_escape_derive v0.8.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-bigint-0.3.1/src/biguint.rs:208:10
[INFO] [stdout]     |
[INFO] [stdout] 208 |         .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-0.3.1/src/biguint.rs:208:19
[INFO] [stdout]     |
[INFO] [stdout] 208 |         .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] 208 -         .div_ceil(&big_digit::BITS.into())
[INFO] [stdout] 208 +         .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-0.3.1/src/biguint.rs:1712:45
[INFO] [stdout]      |
[INFO] [stdout] 1712 |                 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-0.3.1/src/biguint.rs:1712:54
[INFO] [stdout]      |
[INFO] [stdout] 1712 |                 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] 1712 -                 let root_scale = extra_bits.div_ceil(&n64);
[INFO] [stdout] 1712 +                 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-0.3.1/src/biguint.rs:2128:10
[INFO] [stdout]      |
[INFO] [stdout] 2128 |         .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-0.3.1/src/biguint.rs:2128:19
[INFO] [stdout]      |
[INFO] [stdout] 2128 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]      |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]      |
[INFO] [stdout] 2128 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 2128 +         .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-0.3.1/src/biguint.rs:2156:10
[INFO] [stdout]      |
[INFO] [stdout] 2156 |         .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-0.3.1/src/biguint.rs:2156:19
[INFO] [stdout]      |
[INFO] [stdout] 2156 |         .div_ceil(&u64::from(bits))
[INFO] [stdout]      |                   ^^^^^^^^^^^^^^^^ expected `u64`, found `&u64`
[INFO] [stdout]      |
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]      |
[INFO] [stdout] 2156 -         .div_ceil(&u64::from(bits))
[INFO] [stdout] 2156 +         .div_ceil(u64::from(bits))
[INFO] [stdout]      | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling regex v1.4.3
[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" "ab285eff9c53b66edd5a57a374fedd548b1b698b5d1e28c7d1b270f2b3e0b9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab285eff9c53b66edd5a57a374fedd548b1b698b5d1e28c7d1b270f2b3e0b9de", kill_on_drop: false }`
[INFO] [stdout] ab285eff9c53b66edd5a57a374fedd548b1b698b5d1e28c7d1b270f2b3e0b9de