[INFO] cloning repository https://github.com/neverRare/butter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neverRare/butter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FneverRare%2Fbutter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FneverRare%2Fbutter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0bc54aa4d5d3fae16f5893b84a2567c8957315d6 [INFO] testing neverRare/butter against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FneverRare%2Fbutter" "/workspace/builds/worker-108/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/neverRare/butter on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/neverRare/butter [INFO] finished tweaking git repo https://github.com/neverRare/butter [INFO] tweaked toml for git repo https://github.com/neverRare/butter written to /workspace/builds/worker-108/source/Cargo.toml [INFO] crate git repo https://github.com/neverRare/butter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 46298784b2956d5ade12f04563d16dc00609cd6861f47b42cdd32ad34408e773 [INFO] running `Command { std: "docker" "start" "-a" "46298784b2956d5ade12f04563d16dc00609cd6861f47b42cdd32ad34408e773", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46298784b2956d5ade12f04563d16dc00609cd6861f47b42cdd32ad34408e773", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46298784b2956d5ade12f04563d16dc00609cd6861f47b42cdd32ad34408e773", kill_on_drop: false }` [INFO] [stdout] 46298784b2956d5ade12f04563d16dc00609cd6861f47b42cdd32ad34408e773 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 29104e4bb5e588ea5c2df5bc013b2256e6014cec9e22b25948ef19bbe1bebfb3 [INFO] running `Command { std: "docker" "start" "-a" "29104e4bb5e588ea5c2df5bc013b2256e6014cec9e22b25948ef19bbe1bebfb3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.122 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling combine v4.6.3 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.12.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling string_cache v0.8.4 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.2 [INFO] [stderr] Compiling hir v0.1.0 (/opt/rustwide/workdir/hir) [INFO] [stderr] Compiling type-system v0.1.0 (/opt/rustwide/workdir/type-system) [INFO] [stderr] Compiling parser v0.1.0 (/opt/rustwide/workdir/parser) [INFO] [stdout] warning: unused variable: `statements` [INFO] [stdout] --> type-system/src/lib.rs:1034:14 [INFO] [stdout] | [INFO] [stdout] 1034 | pub fn infer(statements: Vec>) -> Result>, TypeError> { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statements` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left1` [INFO] [stdout] --> type-system/src/ty/cons.rs:414:24 [INFO] [stdout] | [INFO] [stdout] 414 | (Self::Row(left1, rest1, right1), Self::Row(left2, rest2, right2)) => todo!(), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_left1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rest1` [INFO] [stdout] --> type-system/src/ty/cons.rs:414:31 [INFO] [stdout] | [INFO] [stdout] 414 | (Self::Row(left1, rest1, right1), Self::Row(left2, rest2, right2)) => todo!(), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rest1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right1` [INFO] [stdout] --> type-system/src/ty/cons.rs:414:38 [INFO] [stdout] | [INFO] [stdout] 414 | (Self::Row(left1, rest1, right1), Self::Row(left2, rest2, right2)) => todo!(), [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_right1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left2` [INFO] [stdout] --> type-system/src/ty/cons.rs:414:57 [INFO] [stdout] | [INFO] [stdout] 414 | (Self::Row(left1, rest1, right1), Self::Row(left2, rest2, right2)) => todo!(), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_left2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rest2` [INFO] [stdout] --> type-system/src/ty/cons.rs:414:64 [INFO] [stdout] | [INFO] [stdout] 414 | (Self::Row(left1, rest1, right1), Self::Row(left2, rest2, right2)) => todo!(), [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rest2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right2` [INFO] [stdout] --> type-system/src/ty/cons.rs:414:71 [INFO] [stdout] | [INFO] [stdout] 414 | (Self::Row(left1, rest1, right1), Self::Row(left2, rest2, right2)) => todo!(), [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_right2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `kind` [INFO] [stdout] --> type-system/src/ty.rs:201:8 [INFO] [stdout] | [INFO] [stdout] 201 | fn kind(&self) -> Kind { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling clap_derive v3.1.7 [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling clap v3.1.8 [INFO] [stderr] Compiling butter v0.1.0 (/opt/rustwide/workdir/cli) [INFO] [stderr] error: could not compile `butter` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name butter --edition=2021 cli/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=98398da79d77309c -C extra-filename=-98398da79d77309c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-8ddd8f89a87bd2b1.rlib --extern hir=/opt/rustwide/target/debug/deps/libhir-d9bc43e80a4bbdca.rlib --extern parser=/opt/rustwide/target/debug/deps/libparser-b0d7623871fca73b.rlib --extern type_system=/opt/rustwide/target/debug/deps/libtype_system-d909f5cf95e2fecb.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "29104e4bb5e588ea5c2df5bc013b2256e6014cec9e22b25948ef19bbe1bebfb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29104e4bb5e588ea5c2df5bc013b2256e6014cec9e22b25948ef19bbe1bebfb3", kill_on_drop: false }` [INFO] [stdout] 29104e4bb5e588ea5c2df5bc013b2256e6014cec9e22b25948ef19bbe1bebfb3