[INFO] fetching crate oursh 0.4.4...
[INFO] testing oursh-0.4.4 against 1.75.0 for beta-1.76-1
[INFO] extracting crate oursh 0.4.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate oursh 0.4.4 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] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate oursh 0.4.4
[INFO] finished tweaking crates.io crate oursh 0.4.4
[INFO] tweaked toml for crates.io crate oursh 0.4.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate oursh 0.4.4 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.2.5
[INFO] [stderr]   Downloaded lalrpop-util v0.19.9
[INFO] [stderr]   Downloaded lalrpop v0.19.9
[INFO] [stderr]   Downloaded nix v0.20.2
[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] e067e6e6caf3b4c2cb4d9d15b39a046ad126a3de8fa52a1adabb8ba0c912dfbc
[INFO] running `Command { std: "docker" "start" "-a" "e067e6e6caf3b4c2cb4d9d15b39a046ad126a3de8fa52a1adabb8ba0c912dfbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e067e6e6caf3b4c2cb4d9d15b39a046ad126a3de8fa52a1adabb8ba0c912dfbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e067e6e6caf3b4c2cb4d9d15b39a046ad126a3de8fa52a1adabb8ba0c912dfbc", kill_on_drop: false }`
[INFO] [stdout] e067e6e6caf3b4c2cb4d9d15b39a046ad126a3de8fa52a1adabb8ba0c912dfbc
[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] 2a861a296aaac89d8ec4b663ba82ad9213e3cc76e8211284537fcf11ec29bc53
[INFO] running `Command { std: "docker" "start" "-a" "2a861a296aaac89d8ec4b663ba82ad9213e3cc76e8211284537fcf11ec29bc53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling rustix v0.37.13
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling linux-raw-sys v0.3.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.20.2
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling fd-lock v2.0.0
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling ctrlc v3.2.5
[INFO] [stderr]    Compiling lalrpop-util v0.19.9
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling lalrpop v0.19.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling rustyline v8.2.0
[INFO] [stderr]    Compiling pwd v1.4.0
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling oursh v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:65:1
[INFO] [stdout]    |
[INFO] [stdout] 65 | #![feature(box_patterns)]
[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 `oursh` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2a861a296aaac89d8ec4b663ba82ad9213e3cc76e8211284537fcf11ec29bc53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a861a296aaac89d8ec4b663ba82ad9213e3cc76e8211284537fcf11ec29bc53", kill_on_drop: false }`
[INFO] [stdout] 2a861a296aaac89d8ec4b663ba82ad9213e3cc76e8211284537fcf11ec29bc53
