[INFO] fetching crate immortal-http 0.1.7...
[INFO] testing immortal-http-0.1.7 against 1.75.0 for beta-1.76-1
[INFO] extracting crate immortal-http 0.1.7 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate immortal-http 0.1.7 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate immortal-http 0.1.7
[INFO] finished tweaking crates.io crate immortal-http 0.1.7
[INFO] tweaked toml for crates.io crate immortal-http 0.1.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate immortal-http 0.1.7 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debug_print v1.0.0
[INFO] [stderr]   Downloaded scoped-thread-pool v1.0.4
[INFO] [stderr]   Downloaded cc v1.0.81
[INFO] [stderr]   Downloaded rustix v0.38.6
[INFO] [stderr]   Downloaded variance v0.1.3
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f57ee3e740aa2aa4321520375d0e3ead4b74fe7b2a153800a9e895aa42f180e
[INFO] running `Command { std: "docker" "start" "-a" "1f57ee3e740aa2aa4321520375d0e3ead4b74fe7b2a153800a9e895aa42f180e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f57ee3e740aa2aa4321520375d0e3ead4b74fe7b2a153800a9e895aa42f180e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f57ee3e740aa2aa4321520375d0e3ead4b74fe7b2a153800a9e895aa42f180e", kill_on_drop: false }`
[INFO] [stdout] 1f57ee3e740aa2aa4321520375d0e3ead4b74fe7b2a153800a9e895aa42f180e
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15c14c44df2448babc7b5ca5820ea3587b7714a35c1185dc2755ef7c23e3aad0
[INFO] running `Command { std: "docker" "start" "-a" "15c14c44df2448babc7b5ca5820ea3587b7714a35c1185dc2755ef7c23e3aad0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling rustix v0.38.6
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling debug_print v1.0.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling scoped-thread-pool v1.0.4
[INFO] [stderr]    Compiling colored v2.0.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling immortal-http v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `immortal-http` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "15c14c44df2448babc7b5ca5820ea3587b7714a35c1185dc2755ef7c23e3aad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c14c44df2448babc7b5ca5820ea3587b7714a35c1185dc2755ef7c23e3aad0", kill_on_drop: false }`
[INFO] [stdout] 15c14c44df2448babc7b5ca5820ea3587b7714a35c1185dc2755ef7c23e3aad0
