[INFO] fetching crate tatami 0.1.6...
[INFO] testing tatami-0.1.6 against 1.76.0 for beta-1.77-1
[INFO] extracting crate tatami 0.1.6 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate tatami 0.1.6 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tatami 0.1.6
[INFO] finished tweaking crates.io crate tatami 0.1.6
[INFO] tweaked toml for crates.io crate tatami 0.1.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus-client-derive-text-encode v0.3.0
[INFO] [stderr]   Downloaded multiaddr v0.14.0
[INFO] [stderr]   Downloaded libp2p-kad v0.41.0
[INFO] [stderr]   Downloaded prometheus-client v0.18.1
[INFO] [stderr]   Downloaded libp2p-identify v0.40.0
[INFO] [stderr]   Downloaded if-watch v2.0.0
[INFO] [stderr]   Downloaded libp2p-noise v0.40.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.39.0
[INFO] [stderr]   Downloaded libp2p-relay v0.13.0
[INFO] [stderr]   Downloaded snow v0.9.3
[INFO] [stderr]   Downloaded libp2p-swarm v0.40.1
[INFO] [stderr]   Downloaded libp2p-core v0.37.0
[INFO] [stderr]   Downloaded libp2p v0.49.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.41.0
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.42.1
[INFO] [stderr]   Downloaded libp2p-tcp v0.37.0
[INFO] [stderr]   Downloaded libp2p-request-response v0.22.1
[INFO] [stderr]   Downloaded libp2p-pnet v0.22.3
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.37.0
[INFO] [stderr]   Downloaded libp2p-dns v0.37.0
[INFO] [stderr]   Downloaded prost-codec v0.2.0
[INFO] [stderr]   Downloaded libp2p-swarm-derive v0.30.1
[INFO] [stderr]   Downloaded libp2p-uds v0.36.0
[INFO] [stderr]   Downloaded libp2p-yamux v0.41.1
[INFO] [stderr]   Downloaded libp2p-mplex v0.37.0
[INFO] [stderr]   Downloaded libp2p-metrics v0.10.0
[INFO] [stderr]   Downloaded libp2p-ping v0.40.1
[INFO] [stderr]   Downloaded hex_fmt v0.3.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.37.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.37.0
[INFO] [stderr]   Downloaded libp2p-autonat v0.8.0
[INFO] [stderr]   Downloaded libp2p-rendezvous v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5da0497c3385fb2f9e82054d2276f5cf231cf7cdaf06410eb7f0779f84c1905
[INFO] running `Command { std: "docker" "start" "-a" "b5da0497c3385fb2f9e82054d2276f5cf231cf7cdaf06410eb7f0779f84c1905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5da0497c3385fb2f9e82054d2276f5cf231cf7cdaf06410eb7f0779f84c1905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5da0497c3385fb2f9e82054d2276f5cf231cf7cdaf06410eb7f0779f84c1905", kill_on_drop: false }`
[INFO] [stdout] b5da0497c3385fb2f9e82054d2276f5cf231cf7cdaf06410eb7f0779f84c1905
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ce3adc6b19af24edafb8a4669cb3e2f864d44affd944b2cce86ddaf0af67d63
[INFO] running `Command { std: "docker" "start" "-a" "2ce3adc6b19af24edafb8a4669cb3e2f864d44affd944b2cce86ddaf0af67d63", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling unsigned-varint v0.7.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling tempfile v3.10.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling asn1_der v0.7.6
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.30.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling curve25519-dalek v3.2.1
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling pin-project v1.1.4
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling multihash v0.16.3
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling multiaddr v0.14.0
[INFO] [stderr]    Compiling libp2p-core v0.37.0
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling rw-stream-sink v0.3.0
[INFO] [stderr]    Compiling multistream-select v0.12.1
[INFO] [stderr]    Compiling libp2p-swarm v0.40.1
[INFO] [stderr]    Compiling libp2p v0.49.0
[INFO] [stderr]    Compiling tatami v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trivial_bounds)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tatami` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2ce3adc6b19af24edafb8a4669cb3e2f864d44affd944b2cce86ddaf0af67d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce3adc6b19af24edafb8a4669cb3e2f864d44affd944b2cce86ddaf0af67d63", kill_on_drop: false }`
[INFO] [stdout] 2ce3adc6b19af24edafb8a4669cb3e2f864d44affd944b2cce86ddaf0af67d63
[INFO] testing tatami-0.1.6 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate tatami 0.1.6 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate tatami 0.1.6 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tatami 0.1.6
[INFO] finished tweaking crates.io crate tatami 0.1.6
[INFO] tweaked toml for crates.io crate tatami 0.1.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30f4ee9f4bdc741c1cb227405f2237b8f2f2e2785bba7e4d60979314d73ad230
[INFO] running `Command { std: "docker" "start" "-a" "30f4ee9f4bdc741c1cb227405f2237b8f2f2e2785bba7e4d60979314d73ad230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30f4ee9f4bdc741c1cb227405f2237b8f2f2e2785bba7e4d60979314d73ad230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f4ee9f4bdc741c1cb227405f2237b8f2f2e2785bba7e4d60979314d73ad230", kill_on_drop: false }`
[INFO] [stdout] 30f4ee9f4bdc741c1cb227405f2237b8f2f2e2785bba7e4d60979314d73ad230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ad056216437ec934c3ec8e3d8473e07d91139bc04fa1e484cafc0000773f1cd
[INFO] running `Command { std: "docker" "start" "-a" "1ad056216437ec934c3ec8e3d8473e07d91139bc04fa1e484cafc0000773f1cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling unsigned-varint v0.7.2
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.10.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling asn1_der v0.7.6
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling curve25519-dalek v3.2.1
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.30.1
[INFO] [stderr]    Compiling pin-project v1.1.4
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling multihash v0.16.3
[INFO] [stderr]    Compiling multiaddr v0.14.0
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling multistream-select v0.12.1
[INFO] [stderr]    Compiling rw-stream-sink v0.3.0
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling libp2p-core v0.37.0
[INFO] [stderr]    Compiling libp2p-swarm v0.40.1
[INFO] [stderr]    Compiling libp2p v0.49.0
[INFO] [stderr]    Compiling tatami v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trivial_bounds)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tatami` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "1ad056216437ec934c3ec8e3d8473e07d91139bc04fa1e484cafc0000773f1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ad056216437ec934c3ec8e3d8473e07d91139bc04fa1e484cafc0000773f1cd", kill_on_drop: false }`
[INFO] [stdout] 1ad056216437ec934c3ec8e3d8473e07d91139bc04fa1e484cafc0000773f1cd
