[INFO] fetching crate hydroper_jet_compiler 0.2.0...
[INFO] checking hydroper_jet_compiler-0.2.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate hydroper_jet_compiler 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate hydroper_jet_compiler 0.2.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hydroper_jet_compiler 0.2.0
[INFO] finished tweaking crates.io crate hydroper_jet_compiler 0.2.0
[INFO] tweaked toml for crates.io crate hydroper_jet_compiler 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy-regex-proc_macros v3.3.0
[INFO] [stderr]   Downloaded lazy-regex v3.3.0
[INFO] [stderr]   Downloaded late_format v1.0.0
[INFO] [stderr]   Downloaded unicode-general-category v0.6.0
[INFO] [stderr]   Downloaded by_address v1.2.1
[INFO] [stderr]   Downloaded file_paths v1.0.0
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c87f9194efe7c120c5189e656c0c8dc2abe7f77fcbfbc0af61fe8bec4c00b57
[INFO] running `Command { std: "docker" "start" "-a" "7c87f9194efe7c120c5189e656c0c8dc2abe7f77fcbfbc0af61fe8bec4c00b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c87f9194efe7c120c5189e656c0c8dc2abe7f77fcbfbc0af61fe8bec4c00b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c87f9194efe7c120c5189e656c0c8dc2abe7f77fcbfbc0af61fe8bec4c00b57", kill_on_drop: false }`
[INFO] [stdout] 7c87f9194efe7c120c5189e656c0c8dc2abe7f77fcbfbc0af61fe8bec4c00b57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a78cc173f64115da473477ebb7c9a863a2fcb88110d64dfe067a0750ae37b67b
[INFO] running `Command { std: "docker" "start" "-a" "a78cc173f64115da473477ebb7c9a863a2fcb88110d64dfe067a0750ae37b67b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking by_address v1.2.1
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.3.0
[INFO] [stderr]     Checking lazy-regex v3.3.0
[INFO] [stderr]     Checking late_format v1.0.0
[INFO] [stderr]     Checking file_paths v1.0.0
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking serde_json v1.0.127
[INFO] [stderr]     Checking hydroper_jet_compiler v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `programs`
[INFO] [stdout]   --> verifier.rs:74:39
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn verify_programs(&mut self, programs: Vec<Rc<Program>>) {
[INFO] [stdout]    |                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_programs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]   --> verifier.rs:83:41
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn verify_expression(&mut self, expression: &Rc<Expression>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> verifier.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Verifier {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 44 |     host: Rc<SymbolHost>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `programs`
[INFO] [stdout]   --> verifier.rs:74:39
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn verify_programs(&mut self, programs: Vec<Rc<Program>>) {
[INFO] [stdout]    |                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_programs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expression`
[INFO] [stdout]   --> verifier.rs:83:41
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn verify_expression(&mut self, expression: &Rc<Expression>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expression`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `host` is never read
[INFO] [stdout]   --> verifier.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Verifier {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 44 |     host: Rc<SymbolHost>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.39s
[INFO] running `Command { std: "docker" "inspect" "a78cc173f64115da473477ebb7c9a863a2fcb88110d64dfe067a0750ae37b67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78cc173f64115da473477ebb7c9a863a2fcb88110d64dfe067a0750ae37b67b", kill_on_drop: false }`
[INFO] [stdout] a78cc173f64115da473477ebb7c9a863a2fcb88110d64dfe067a0750ae37b67b