[INFO] cloning repository https://github.com/polnio/scalas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/polnio/scalas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolnio%2Fscalas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolnio%2Fscalas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2438b2644beec687c4c8dd5a68562fe82ffbaa45
[INFO] checking polnio/scalas against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolnio%2Fscalas" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/polnio/scalas
[INFO] finished tweaking git repo https://github.com/polnio/scalas
[INFO] tweaked toml for git repo https://github.com/polnio/scalas written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/polnio/scalas on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/polnio/scalas 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chumsky v0.10.1
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b46262eee10a95fae4884a70da4b9225b621d8a292421084225fb69d4449d67
[INFO] running `Command { std: "docker" "start" "-a" "9b46262eee10a95fae4884a70da4b9225b621d8a292421084225fb69d4449d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b46262eee10a95fae4884a70da4b9225b621d8a292421084225fb69d4449d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b46262eee10a95fae4884a70da4b9225b621d8a292421084225fb69d4449d67", kill_on_drop: false }`
[INFO] [stdout] 9b46262eee10a95fae4884a70da4b9225b621d8a292421084225fb69d4449d67
[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=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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 993f9253cb579d404a3a55ee4ac08475c18ba1ea81b6d4022b8c7973488c056a
[INFO] running `Command { std: "docker" "start" "-a" "993f9253cb579d404a3a55ee4ac08475c18ba1ea81b6d4022b8c7973488c056a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling chumsky v0.10.1
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking clap_builder v4.5.37
[INFO] [stderr]     Checking convert_case v0.8.0
[INFO] [stderr]     Checking ariadne v0.5.1
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling psm v0.1.25
[INFO] [stderr]    Compiling stacker v0.1.20
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking clap v4.5.37
[INFO] [stderr]     Checking scalas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `BUILTINS_IDENTIFIERS` is never used
[INFO] [stdout]  --> src/builtins.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const BUILTINS_IDENTIFIERS: &[&str] = &["println", "print"];
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `args` and `ret` are never read
[INFO] [stdout]   --> src/compiler.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct Function {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 89 |     args: Vec<AppliedType>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 90 |     ret: AppliedType,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/compiler.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl Env {
[INFO] [stdout]     | -------- associated function in this implementation
[INFO] [stdout] 105 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `span` is never used
[INFO] [stdout]   --> src/parser.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Expr<'_> {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 49 |     pub fn span(&self) -> SimpleSpan {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `span` is never used
[INFO] [stdout]   --> src/parser.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl Stmt<'_> {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 79 |     pub fn span(&self) -> SimpleSpan {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUILTINS_IDENTIFIERS` is never used
[INFO] [stdout]  --> src/builtins.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const BUILTINS_IDENTIFIERS: &[&str] = &["println", "print"];
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `args` and `ret` are never read
[INFO] [stdout]   --> src/compiler.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 88 | struct Function {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 89 |     args: Vec<AppliedType>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 90 |     ret: AppliedType,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/compiler.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl Env {
[INFO] [stdout]     | -------- associated function in this implementation
[INFO] [stdout] 105 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `span` is never used
[INFO] [stdout]   --> src/parser.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Expr<'_> {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 49 |     pub fn span(&self) -> SimpleSpan {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `span` is never used
[INFO] [stdout]   --> src/parser.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl Stmt<'_> {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 79 |     pub fn span(&self) -> SimpleSpan {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.81s
[INFO] running `Command { std: "docker" "inspect" "993f9253cb579d404a3a55ee4ac08475c18ba1ea81b6d4022b8c7973488c056a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993f9253cb579d404a3a55ee4ac08475c18ba1ea81b6d4022b8c7973488c056a", kill_on_drop: false }`
[INFO] [stdout] 993f9253cb579d404a3a55ee4ac08475c18ba1ea81b6d4022b8c7973488c056a