[INFO] fetching crate istos 0.0.3...
[INFO] testing istos-0.0.3 against 1.76.0 for beta-1.77-1
[INFO] extracting crate istos 0.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate istos 0.0.3 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 istos 0.0.3
[INFO] finished tweaking crates.io crate istos 0.0.3
[INFO] tweaked toml for crates.io crate istos 0.0.3 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] 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] 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] 0dc02fb8ef520194279744644b5f290238c7951f813788ccb0cb021dc83fb189
[INFO] running `Command { std: "docker" "start" "-a" "0dc02fb8ef520194279744644b5f290238c7951f813788ccb0cb021dc83fb189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dc02fb8ef520194279744644b5f290238c7951f813788ccb0cb021dc83fb189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc02fb8ef520194279744644b5f290238c7951f813788ccb0cb021dc83fb189", kill_on_drop: false }`
[INFO] [stdout] 0dc02fb8ef520194279744644b5f290238c7951f813788ccb0cb021dc83fb189
[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] f30106555fda0a82c8ff7bd60b3c27fc5b092294bca7cc0d00ddb3f91ff5d508
[INFO] running `Command { std: "docker" "start" "-a" "f30106555fda0a82c8ff7bd60b3c27fc5b092294bca7cc0d00ddb3f91ff5d508", kill_on_drop: false }`
[INFO] [stderr]    Compiling istos v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(adt_const_params)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `istos` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f30106555fda0a82c8ff7bd60b3c27fc5b092294bca7cc0d00ddb3f91ff5d508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30106555fda0a82c8ff7bd60b3c27fc5b092294bca7cc0d00ddb3f91ff5d508", kill_on_drop: false }`
[INFO] [stdout] f30106555fda0a82c8ff7bd60b3c27fc5b092294bca7cc0d00ddb3f91ff5d508
[INFO] testing istos-0.0.3 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate istos 0.0.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate istos 0.0.3 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 istos 0.0.3
[INFO] finished tweaking crates.io crate istos 0.0.3
[INFO] tweaked toml for crates.io crate istos 0.0.3 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]     Blocking waiting for file lock on package cache
[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] 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] a40e5bfe399fba140f9c3b7f23087ca6767d71034210612b9f3a36744c343172
[INFO] running `Command { std: "docker" "start" "-a" "a40e5bfe399fba140f9c3b7f23087ca6767d71034210612b9f3a36744c343172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a40e5bfe399fba140f9c3b7f23087ca6767d71034210612b9f3a36744c343172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40e5bfe399fba140f9c3b7f23087ca6767d71034210612b9f3a36744c343172", kill_on_drop: false }`
[INFO] [stdout] a40e5bfe399fba140f9c3b7f23087ca6767d71034210612b9f3a36744c343172
[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] 8316d3acc48628a7a41ccb3cc02985c1063576b82f7e45051ca85ef84043240a
[INFO] running `Command { std: "docker" "start" "-a" "8316d3acc48628a7a41ccb3cc02985c1063576b82f7e45051ca85ef84043240a", kill_on_drop: false }`
[INFO] [stderr]    Compiling istos v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(adt_const_params)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `istos` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8316d3acc48628a7a41ccb3cc02985c1063576b82f7e45051ca85ef84043240a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8316d3acc48628a7a41ccb3cc02985c1063576b82f7e45051ca85ef84043240a", kill_on_drop: false }`
[INFO] [stdout] 8316d3acc48628a7a41ccb3cc02985c1063576b82f7e45051ca85ef84043240a
