[INFO] fetching crate ada 0.3.0...
[INFO] testing ada-0.3.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate ada 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ada 0.3.0 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 ada 0.3.0
[INFO] finished tweaking crates.io crate ada 0.3.0
[INFO] tweaked toml for crates.io crate ada 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ada 0.3.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded xcursor v0.3.3
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded xml-rs v0.8.3
[INFO] [stderr]   Downloaded thread_local v1.1.0
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded shlex v0.1.1
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded lazycell v1.3.0
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded env_logger v0.8.2
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded wayland-commons v0.27.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded encoding_rs v0.8.26
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded sdl2-sys v0.34.3
[INFO] [stderr]   Downloaded sdl2 v0.34.3
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded bindgen v0.56.0
[INFO] [stderr]   Downloaded nom v5.1.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded x11-dl v2.18.5
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded flate2 v1.0.19
[INFO] [stderr]   Downloaded unidiff v0.3.3
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded cexpr v0.4.0
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded cmake v0.1.45
[INFO] [stderr]   Downloaded xkbcommon-sys v0.7.5
[INFO] [stderr]   Downloaded nom v6.0.1
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.4
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] [stderr]   Downloaded raw-window-handle v0.3.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded libloading v0.6.6
[INFO] [stderr]   Downloaded wayland-cursor v0.27.0
[INFO] [stderr]   Downloaded wayland-scanner v0.27.0
[INFO] [stderr]   Downloaded wayland-sys v0.27.0
[INFO] [stderr]   Downloaded orbclient v0.3.30
[INFO] [stderr]   Downloaded xkb v0.2.1
[INFO] [stderr]   Downloaded clang-sys v1.0.3
[INFO] [stderr]   Downloaded wayland-client v0.27.0
[INFO] [stderr]   Downloaded minifb v0.19.2
[INFO] [stderr]   Downloaded wayland-protocols v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2313fff247eefc60eedfe2f05c837ebc36bfa1c1a51d3e0012a55ea9daa40149
[INFO] running `Command { std: "docker" "start" "-a" "2313fff247eefc60eedfe2f05c837ebc36bfa1c1a51d3e0012a55ea9daa40149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2313fff247eefc60eedfe2f05c837ebc36bfa1c1a51d3e0012a55ea9daa40149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2313fff247eefc60eedfe2f05c837ebc36bfa1c1a51d3e0012a55ea9daa40149", kill_on_drop: false }`
[INFO] [stdout] 2313fff247eefc60eedfe2f05c837ebc36bfa1c1a51d3e0012a55ea9daa40149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bd72e17206beab7e4b6613d08466724be275c2be3a64b8799fcc36d1d9cac9b7
[INFO] running `Command { std: "docker" "start" "-a" "bd72e17206beab7e4b6613d08466724be275c2be3a64b8799fcc36d1d9cac9b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ada v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | #![feature(test)]
[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 `ada` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bd72e17206beab7e4b6613d08466724be275c2be3a64b8799fcc36d1d9cac9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd72e17206beab7e4b6613d08466724be275c2be3a64b8799fcc36d1d9cac9b7", kill_on_drop: false }`
[INFO] [stdout] bd72e17206beab7e4b6613d08466724be275c2be3a64b8799fcc36d1d9cac9b7
