[INFO] cloning repository https://github.com/kislball/ena
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kislball/ena" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkislball%2Fena", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkislball%2Fena'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff197a174820fd435c79fa7250463786c35942cc
[INFO] checking kislball/ena against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkislball%2Fena" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kislball/ena on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kislball/ena
[INFO] finished tweaking git repo https://github.com/kislball/ena
[INFO] tweaked toml for git repo https://github.com/kislball/ena written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kislball/ena 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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]      Locking 10 packages
[INFO] [stderr]     Updating enalang v0.5.2 (/workspace/builds/worker-6-tc1/source/enalang) -> v0.6.1
[INFO] [stderr]     Updating enalang_cgen v0.5.2 (/workspace/builds/worker-6-tc1/source/enalang_cgen) -> v0.6.1
[INFO] [stderr]     Updating enalang_checker v0.5.2 (/workspace/builds/worker-6-tc1/source/enalang_checker) -> v0.6.1
[INFO] [stderr]     Updating enalang_compiler v0.5.2 (/workspace/builds/worker-6-tc1/source/enalang_compiler) -> v0.6.1
[INFO] [stderr]     Updating enalang_docgen v0.5.2 (/workspace/builds/worker-6-tc1/source/enalang_docgen) -> v0.6.1
[INFO] [stderr]     Updating enalang_ir v0.5.2 (/workspace/builds/worker-6-tc1/source/enalang_ir) -> v0.6.1
[INFO] [stderr]     Updating enalang_macro v0.5.2 (/workspace/builds/worker-6-tc1/source/enalang_macro) -> v0.6.1
[INFO] [stderr]     Updating enalang_optimizer v0.5.2 (/workspace/builds/worker-6-tc1/source/enalang_optimizer) -> v0.6.1
[INFO] [stderr]     Updating enalang_repl v0.5.2 (/workspace/builds/worker-6-tc1/source/enalang_repl) -> v0.6.1
[INFO] [stderr]     Updating enalang_vm v0.5.2 (/workspace/builds/worker-6-tc1/source/enalang_vm) -> v0.6.1
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-float v3.4.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.5
[INFO] [stderr]   Downloaded hermit-abi v0.3.0
[INFO] [stderr]   Downloaded sha256 v1.1.2
[INFO] [stderr]   Downloaded is-terminal v0.4.3
[INFO] [stderr]   Downloaded flexstr v0.9.2
[INFO] [stderr]   Downloaded clap_lex v0.3.1
[INFO] [stderr]   Downloaded radix_fmt v1.0.0
[INFO] [stderr]   Downloaded clap_derive v4.1.0
[INFO] [stderr]   Downloaded clap v4.1.4
[INFO] [stderr]   Downloaded rustix v0.36.8
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38d84d44eda05660fa3e7434623f98a350171d72874d046087b39fc4ece0f9ef
[INFO] running `Command { std: "docker" "start" "-a" "38d84d44eda05660fa3e7434623f98a350171d72874d046087b39fc4ece0f9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38d84d44eda05660fa3e7434623f98a350171d72874d046087b39fc4ece0f9ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d84d44eda05660fa3e7434623f98a350171d72874d046087b39fc4ece0f9ef", kill_on_drop: false }`
[INFO] [stdout] 38d84d44eda05660fa3e7434623f98a350171d72874d046087b39fc4ece0f9ef
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea9c6860f7e65a051e610b93d9f4b90304c55672d23c7b40525f3d2b51095601
[INFO] running `Command { std: "docker" "start" "-a" "ea9c6860f7e65a051e610b93d9f4b90304c55672d23c7b40525f3d2b51095601", 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 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking radix_fmt v1.0.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking clap_lex v0.3.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking ordered-float v3.4.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sha256 v1.1.2
[INFO] [stderr]     Checking is-terminal v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking markdown v0.3.0
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]    Compiling clap_derive v4.1.0
[INFO] [stderr]     Checking clap v4.1.4
[INFO] [stderr]     Checking flexstr v0.9.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking enalang_ir v0.6.1 (/opt/rustwide/workdir/enalang_ir)
[INFO] [stderr]     Checking enalang_vm v0.6.1 (/opt/rustwide/workdir/enalang_vm)
[INFO] [stderr]     Checking enalang_compiler v0.6.1 (/opt/rustwide/workdir/enalang_compiler)
[INFO] [stderr]     Checking enalang_cgen v0.6.1 (/opt/rustwide/workdir/enalang_cgen)
[INFO] [stdout] warning: associated function `mangle_name` is never used
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl CGen {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn mangle_name(l: LocalStr) -> LocalStr {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> enalang_vm/src/native/vm.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{self, Rng};
[INFO] [stdout]   |            ^^^^ the item `rand` 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 `rand` is imported redundantly
[INFO] [stdout]  --> enalang_vm/src/native/vm.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{self, Rng};
[INFO] [stdout]   |            ^^^^ the item `rand` 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] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stdout] warning: associated function `mangle_name` is never used
[INFO] [stdout]   --> enalang_cgen/src/gen.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl CGen {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn mangle_name(l: LocalStr) -> LocalStr {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking enalang_macro v0.6.1 (/opt/rustwide/workdir/enalang_macro)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking enalang_checker v0.6.1 (/opt/rustwide/workdir/enalang_checker)
[INFO] [stderr]     Checking enalang_optimizer v0.6.1 (/opt/rustwide/workdir/enalang_optimizer)
[INFO] [stderr]     Checking enalang_repl v0.6.1 (/opt/rustwide/workdir/enalang_repl)
[INFO] [stderr]     Checking enalang_docgen v0.6.1 (/opt/rustwide/workdir/enalang_docgen)
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> enalang_optimizer/src/optimizations/unused_blocks.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UnusedBlocksOptimization {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] 13 |     ctx: OptimizationContext,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ctx` is never read
[INFO] [stdout]   --> enalang_optimizer/src/optimizations/unused_blocks.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UnusedBlocksOptimization {
[INFO] [stdout]    |            ------------------------ field in this struct
[INFO] [stdout] 13 |     ctx: OptimizationContext,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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]     Checking enalang v0.6.1 (/opt/rustwide/workdir/enalang)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.66s
[INFO] running `Command { std: "docker" "inspect" "ea9c6860f7e65a051e610b93d9f4b90304c55672d23c7b40525f3d2b51095601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea9c6860f7e65a051e610b93d9f4b90304c55672d23c7b40525f3d2b51095601", kill_on_drop: false }`
[INFO] [stdout] ea9c6860f7e65a051e610b93d9f4b90304c55672d23c7b40525f3d2b51095601