[INFO] fetching crate libhashfind 0.1.0...
[INFO] testing libhashfind-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate libhashfind 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate libhashfind 0.1.0
[INFO] finished tweaking crates.io crate libhashfind 0.1.0
[INFO] tweaked toml for crates.io crate libhashfind 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libhashfind 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded addr2line v0.25.1
[INFO] [stderr]   Downloaded libhashfindutils v0.1.0
[INFO] [stderr]   Downloaded backtrace v0.3.76
[INFO] [stderr]   Downloaded gimli v0.32.3
[INFO] [stderr]   Downloaded object v0.37.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00841d045859277c6dfa9d297b0e341abd66179a861aa006981ec65d2bc3afdd
[INFO] running `Command { std: "docker" "start" "-a" "00841d045859277c6dfa9d297b0e341abd66179a861aa006981ec65d2bc3afdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00841d045859277c6dfa9d297b0e341abd66179a861aa006981ec65d2bc3afdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00841d045859277c6dfa9d297b0e341abd66179a861aa006981ec65d2bc3afdd", kill_on_drop: false }`
[INFO] [stdout] 00841d045859277c6dfa9d297b0e341abd66179a861aa006981ec65d2bc3afdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d0e0a53c1ec567cb10e02668e7e0a805e283c2a08167d868dc666b9d0e522b
[INFO] running `Command { std: "docker" "start" "-a" "a6d0e0a53c1ec567cb10e02668e7e0a805e283c2a08167d868dc666b9d0e522b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling libhashfindutils v0.1.0
[INFO] [stderr]    Compiling libhashfind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(file_create_new)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `file_create_new` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(file_create_new)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libhashfind` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a6d0e0a53c1ec567cb10e02668e7e0a805e283c2a08167d868dc666b9d0e522b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d0e0a53c1ec567cb10e02668e7e0a805e283c2a08167d868dc666b9d0e522b", kill_on_drop: false }`
[INFO] [stdout] a6d0e0a53c1ec567cb10e02668e7e0a805e283c2a08167d868dc666b9d0e522b
