[INFO] fetching crate ajkcalc 0.2.0...
[INFO] testing ajkcalc-0.2.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate ajkcalc 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ajkcalc 0.2.0 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 ajkcalc 0.2.0
[INFO] finished tweaking crates.io crate ajkcalc 0.2.0
[INFO] tweaked toml for crates.io crate ajkcalc 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ajkcalc 0.2.0 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 signal-hook-mio v0.2.3
[INFO] [stderr]   Downloaded serde_derive v1.0.188
[INFO] [stderr]   Downloaded colored v2.0.4
[INFO] [stderr]   Downloaded signal-hook v0.3.17
[INFO] [stderr]   Downloaded const-random v0.1.15
[INFO] [stderr]   Downloaded const-random-macro v0.1.15
[INFO] [stderr]   Downloaded drawille v0.3.0
[INFO] [stderr]   Downloaded static_assertions v1.1.0
[INFO] [stderr]   Downloaded tiny-keccak v2.0.2
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.1
[INFO] [stderr]   Downloaded smartstring v1.0.1
[INFO] [stderr]   Downloaded ron v0.8.1
[INFO] [stderr]   Downloaded gimli v0.28.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.7
[INFO] [stderr]   Downloaded rustix v0.38.14
[INFO] [stderr]   Downloaded libc v0.2.148
[INFO] [stderr]   Downloaded base64 v0.21.4
[INFO] [stderr]   Downloaded object v0.32.1
[INFO] [stderr]   Downloaded memchr v2.6.3
[INFO] [stderr]   Downloaded syn v2.0.37
[INFO] [stderr]   Downloaded functional-closures v0.2.0
[INFO] [stderr]   Downloaded crossterm v0.27.0
[INFO] [stderr]   Downloaded serde v1.0.188
[INFO] [stderr]   Downloaded proc-macro2 v1.0.67
[INFO] [stderr]   Downloaded tui v0.19.0
[INFO] [stderr]   Downloaded rhai_codegen v1.6.0
[INFO] [stderr]   Downloaded errno v0.3.3
[INFO] [stderr]   Downloaded ahash v0.8.3
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded crossterm v0.25.0
[INFO] [stderr]   Downloaded plotlib v0.5.1
[INFO] [stderr]   Downloaded svg v0.7.2
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded termplot v0.1.1
[INFO] [stderr]   Downloaded rhai v1.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eba471c39c418226838119847e57ec097a01945c6a95c35dfa2473531ade583f
[INFO] running `Command { std: "docker" "start" "-a" "eba471c39c418226838119847e57ec097a01945c6a95c35dfa2473531ade583f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eba471c39c418226838119847e57ec097a01945c6a95c35dfa2473531ade583f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba471c39c418226838119847e57ec097a01945c6a95c35dfa2473531ade583f", kill_on_drop: false }`
[INFO] [stdout] eba471c39c418226838119847e57ec097a01945c6a95c35dfa2473531ade583f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5d3fae606141597c55f4a47679ca2db01040d000948e84b682cd786d8ede3614
[INFO] running `Command { std: "docker" "start" "-a" "5d3fae606141597c55f4a47679ca2db01040d000948e84b682cd786d8ede3614", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling linux-raw-sys v0.4.7
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling base64 v0.21.4
[INFO] [stderr]    Compiling svg v0.7.2
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling ajkcalc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling functional-closures v0.2.0
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling const-random-macro v0.1.15
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling const-random v0.1.15
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling tui v0.19.0
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling plotlib v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling rhai_codegen v1.6.0
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling rhai v1.16.1
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling colored v2.0.4
[INFO] [stderr]    Compiling drawille v0.3.0
[INFO] [stderr]    Compiling termplot v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(iter_intersperse)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(fs_try_exists)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ajkcalc` (bin "ajkcalc") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "5d3fae606141597c55f4a47679ca2db01040d000948e84b682cd786d8ede3614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3fae606141597c55f4a47679ca2db01040d000948e84b682cd786d8ede3614", kill_on_drop: false }`
[INFO] [stdout] 5d3fae606141597c55f4a47679ca2db01040d000948e84b682cd786d8ede3614
