[INFO] cloning repository https://github.com/71/computed-settings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/71/computed-settings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F71%2Fcomputed-settings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F71%2Fcomputed-settings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f06f9ac68b429a5ee406517a747b25dc1c4cff9
[INFO] testing 71/computed-settings against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F71%2Fcomputed-settings" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/71/computed-settings 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 git repo https://github.com/71/computed-settings
[INFO] finished tweaking git repo https://github.com/71/computed-settings
[INFO] tweaked toml for git repo https://github.com/71/computed-settings written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/71/computed-settings 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] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wit-walrus v0.6.0
[INFO] [stderr]   Downloaded wit-writer v0.2.0
[INFO] [stderr]   Downloaded wit-parser v0.2.0
[INFO] [stderr]   Downloaded wasmparser v0.77.0
[INFO] [stderr]   Downloaded wasm-bindgen-wasm-conventions v0.2.84
[INFO] [stderr]   Downloaded simple-counter v0.1.0
[INFO] [stderr]   Downloaded wast v21.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-cli-support v0.2.84
[INFO] [stderr]   Downloaded lalrpop v0.19.9
[INFO] [stderr]   Downloaded rustix v0.37.5
[INFO] [stderr]   Downloaded wasmparser v0.59.0
[INFO] [stderr]   Downloaded wit-validator v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-threads-xform v0.2.84
[INFO] [stderr]   Downloaded lalrpop-util v0.19.9
[INFO] [stderr]   Downloaded wasm-bindgen-multi-value-xform v0.2.84
[INFO] [stderr]   Downloaded wit-text v0.8.0
[INFO] [stderr]   Downloaded wit-schema-version v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-externref-xform v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-wasm-interpreter v0.2.84
[INFO] [stderr]   Downloaded nickel-lang v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] edb2cf9fafe7bfb44dec4b96b57d7c000fb66b234e33a1e4a221d9d7cc0cd193
[INFO] running `Command { std: "docker" "start" "-a" "edb2cf9fafe7bfb44dec4b96b57d7c000fb66b234e33a1e4a221d9d7cc0cd193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edb2cf9fafe7bfb44dec4b96b57d7c000fb66b234e33a1e4a221d9d7cc0cd193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb2cf9fafe7bfb44dec4b96b57d7c000fb66b234e33a1e4a221d9d7cc0cd193", kill_on_drop: false }`
[INFO] [stdout] edb2cf9fafe7bfb44dec4b96b57d7c000fb66b234e33a1e4a221d9d7cc0cd193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 23e4fd50a0c6c10259acee6c92095908df5eb7d20bff4aff7a7167527e28c3fc
[INFO] running `Command { std: "docker" "start" "-a" "23e4fd50a0c6c10259acee6c92095908df5eb7d20bff4aff7a7167527e28c3fc", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.84
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling rustix v0.37.5
[INFO] [stderr]    Compiling bumpalo v3.12.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling wasmparser v0.77.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.84
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling wit-schema-version v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling wit-parser v0.2.0
[INFO] [stderr]    Compiling wit-writer v0.2.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cpufeatures v0.2.6
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.12
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling wast v21.0.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling wasmparser v0.59.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling sha-1 v0.10.1
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling md-5 v0.10.5
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling wit-validator v0.2.1
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling codespan v0.11.1
[INFO] [stderr]    Compiling pretty v0.11.3
[INFO] [stderr]    Compiling simple-counter v0.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lalrpop-util v0.19.9
[INFO] [stderr]    Compiling is-terminal v0.4.6
[INFO] [stderr]    Compiling tempfile v3.5.0
[INFO] [stderr]    Compiling lalrpop v0.19.9
[INFO] [stderr]    Compiling wit-text v0.8.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.84
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]    Compiling walrus-macro v0.19.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.84
[INFO] [stderr]    Compiling walrus v0.19.0
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling logos v0.12.1
[INFO] [stderr]    Compiling js-sys v0.3.61
[INFO] [stderr]    Compiling wasm-bindgen-wasm-conventions v0.2.84
[INFO] [stderr]    Compiling wasm-bindgen-multi-value-xform v0.2.84
[INFO] [stderr]    Compiling wasm-bindgen-externref-xform v0.2.84
[INFO] [stderr]    Compiling wit-walrus v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-wasm-interpreter v0.2.84
[INFO] [stderr]    Compiling wasm-bindgen-threads-xform v0.2.84
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.34
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling serde-wasm-bindgen v0.4.5
[INFO] [stderr]    Compiling serde-wasm-bindgen v0.5.0
[INFO] [stderr]    Compiling wasm-bindgen-cli-support v0.2.84
[INFO] [stderr]    Compiling nickel-lang v0.3.1
[INFO] [stderr]    Compiling build-wasm v0.0.0 (/opt/rustwide/workdir/build-wasm)
[INFO] [stderr]    Compiling nickel-js v0.1.0 (/opt/rustwide/workdir/nickel-js)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> nickel-js/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(char_indices_offset)]
[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 `nickel-js` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "23e4fd50a0c6c10259acee6c92095908df5eb7d20bff4aff7a7167527e28c3fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e4fd50a0c6c10259acee6c92095908df5eb7d20bff4aff7a7167527e28c3fc", kill_on_drop: false }`
[INFO] [stdout] 23e4fd50a0c6c10259acee6c92095908df5eb7d20bff4aff7a7167527e28c3fc
