[INFO] fetching crate portal-tunneler 0.1.0-beta.0...
[INFO] testing portal-tunneler-0.1.0-beta.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate portal-tunneler 0.1.0-beta.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate portal-tunneler 0.1.0-beta.0
[INFO] finished tweaking crates.io crate portal-tunneler 0.1.0-beta.0
[INFO] tweaked toml for crates.io crate portal-tunneler 0.1.0-beta.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate portal-tunneler 0.1.0-beta.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate portal-tunneler 0.1.0-beta.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.1
[INFO] [stderr]   Downloaded parking_lot_core v0.9.9
[INFO] [stderr]   Downloaded tokio-macros v2.2.0
[INFO] [stderr]   Downloaded bytes v1.6.0
[INFO] [stderr]   Downloaded portal-puncher-sm v0.1.0-beta.0
[INFO] [stderr]   Downloaded lock_api v0.4.11
[INFO] [stderr]   Downloaded redox_syscall v0.4.1
[INFO] [stderr]   Downloaded inlined v0.1.1
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.3
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] [stderr]   Downloaded schannel v0.1.23
[INFO] [stderr]   Downloaded security-framework v2.10.0
[INFO] [stderr]   Downloaded base64 v0.22.0
[INFO] [stderr]   Downloaded time v0.3.34
[INFO] [stderr]   Downloaded quinn v0.10.2
[INFO] [stderr]   Downloaded quinn-proto v0.10.6
[INFO] [stderr]   Downloaded serde v1.0.197
[INFO] [stderr]   Downloaded rcgen v0.12.1
[INFO] [stderr]   Downloaded socket2 v0.5.6
[INFO] [stderr]   Downloaded thiserror v1.0.58
[INFO] [stderr]   Downloaded getrandom v0.2.13
[INFO] [stderr]   Downloaded syn v2.0.58
[INFO] [stderr]   Downloaded rustls v0.21.10
[INFO] [stderr]   Downloaded portal-tunneler-proto v0.1.0-beta.0
[INFO] [stderr]   Downloaded security-framework-sys v2.10.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.58
[INFO] [stderr]   Downloaded quinn-udp v0.4.1
[INFO] [stderr]   Downloaded pem v3.0.3
[INFO] [stderr]   Downloaded web-sys v0.3.69
[INFO] [stderr]   Downloaded tokio v1.37.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bec0ecd8899b3eaf16527e8fa25c0474ce43435acbed625abd15c4cb54f25ad
[INFO] running `Command { std: "docker" "start" "-a" "5bec0ecd8899b3eaf16527e8fa25c0474ce43435acbed625abd15c4cb54f25ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bec0ecd8899b3eaf16527e8fa25c0474ce43435acbed625abd15c4cb54f25ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bec0ecd8899b3eaf16527e8fa25c0474ce43435acbed625abd15c4cb54f25ad", kill_on_drop: false }`
[INFO] [stdout] 5bec0ecd8899b3eaf16527e8fa25c0474ce43435acbed625abd15c4cb54f25ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c9c4eb76e3a80f203515557d68f2078517c1d8f6ed6f07009b99729406322fb
[INFO] running `Command { std: "docker" "start" "-a" "8c9c4eb76e3a80f203515557d68f2078517c1d8f6ed6f07009b99729406322fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.13
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling time v0.3.34
[INFO] [stderr]    Compiling pem v3.0.3
[INFO] [stderr]    Compiling base64 v0.22.0
[INFO] [stderr]    Compiling portal-puncher-sm v0.1.0-beta.0
[INFO] [stderr]    Compiling inlined v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/inlined-0.1.1/src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | #![feature(round_char_boundary)] // TODO: Remove once API is stabilized
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yasna v0.5.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inlined` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8c9c4eb76e3a80f203515557d68f2078517c1d8f6ed6f07009b99729406322fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9c4eb76e3a80f203515557d68f2078517c1d8f6ed6f07009b99729406322fb", kill_on_drop: false }`
[INFO] [stdout] 8c9c4eb76e3a80f203515557d68f2078517c1d8f6ed6f07009b99729406322fb