[INFO] cloning repository https://github.com/micahkendall/uplc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/micahkendall/uplc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicahkendall%2Fuplc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicahkendall%2Fuplc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef24a59dba0a046ac3a3e00cf5c35398c320355d
[INFO] checking micahkendall/uplc against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicahkendall%2Fuplc" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/micahkendall/uplc on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/micahkendall/uplc
[INFO] finished tweaking git repo https://github.com/micahkendall/uplc
[INFO] tweaked toml for git repo https://github.com/micahkendall/uplc written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/micahkendall/uplc 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/aiken-lang/aiken.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peg-macros v0.8.2
[INFO] [stderr]   Downloaded secp256k1 v0.26.0
[INFO] [stderr]   Downloaded pallas-primitives v0.20.0
[INFO] [stderr]   Downloaded pallas-traverse v0.20.0
[INFO] [stderr]   Downloaded peg-runtime v0.8.2
[INFO] [stderr]   Downloaded pallas-addresses v0.20.0
[INFO] [stderr]   Downloaded minicbor-derive v0.13.0
[INFO] [stderr]   Downloaded minicbor v0.19.1
[INFO] [stderr]   Downloaded pallas-codec v0.20.0
[INFO] [stderr]   Downloaded pallas-crypto v0.20.0
[INFO] [stderr]   Downloaded cryptoxide v0.4.4
[INFO] [stderr]   Downloaded blst v0.3.11
[INFO] [stderr]   Downloaded pretty v0.11.3
[INFO] [stderr]   Downloaded peg v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11f3d1d1ba95c204f56ea9421122a2d039d4f86196f6b18f3c9ca79504177f73
[INFO] running `Command { std: "docker" "start" "-a" "11f3d1d1ba95c204f56ea9421122a2d039d4f86196f6b18f3c9ca79504177f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11f3d1d1ba95c204f56ea9421122a2d039d4f86196f6b18f3c9ca79504177f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f3d1d1ba95c204f56ea9421122a2d039d4f86196f6b18f3c9ca79504177f73", kill_on_drop: false }`
[INFO] [stdout] 11f3d1d1ba95c204f56ea9421122a2d039d4f86196f6b18f3c9ca79504177f73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dccd301b8d16da17280ddd28c140e1f4f525ebd4a924f2afe52839d4d60d8784
[INFO] running `Command { std: "docker" "start" "-a" "dccd301b8d16da17280ddd28c140e1f4f525ebd4a924f2afe52839d4d60d8784", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]    Compiling minicbor v0.19.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.89
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]     Checking cryptoxide v0.4.4
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking base58 v0.2.0
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.89
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling peg-runtime v0.8.2
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling peg-macros v0.8.2
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking pretty v0.11.3
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling blst v0.3.11
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking peg v0.8.2
[INFO] [stderr]    Compiling minicbor-derive v0.13.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.89
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking secp256k1 v0.26.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.89
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking der v0.7.8
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.89
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]     Checking js-sys v0.3.66
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]     Checking k256 v0.13.2
[INFO] [stderr]     Checking pallas-codec v0.20.0
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking pallas-crypto v0.20.0
[INFO] [stderr]     Checking pallas-addresses v0.20.0
[INFO] [stderr]     Checking pallas-primitives v0.20.0
[INFO] [stderr]     Checking pallas-traverse v0.20.0
[INFO] [stderr]     Checking uplc v1.0.21-alpha (https://github.com/aiken-lang/aiken.git#30a6b771)
[INFO] [stderr]     Checking uplc-wrapper v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `js_sys` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use js_sys;
[INFO] [stdout]   |     ^^^^^^ the item `js_sys` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `js_sys` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use js_sys;
[INFO] [stdout]   |     ^^^^^^ the item `js_sys` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "dccd301b8d16da17280ddd28c140e1f4f525ebd4a924f2afe52839d4d60d8784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dccd301b8d16da17280ddd28c140e1f4f525ebd4a924f2afe52839d4d60d8784", kill_on_drop: false }`
[INFO] [stdout] dccd301b8d16da17280ddd28c140e1f4f525ebd4a924f2afe52839d4d60d8784