[INFO] cloning repository https://github.com/luckychacha/zkp-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luckychacha/zkp-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluckychacha%2Fzkp-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluckychacha%2Fzkp-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ebde1bb6f1bff6c0ecc0035b02c87c7b38a746a
[INFO] checking luckychacha/zkp-learning against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluckychacha%2Fzkp-learning" "/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/luckychacha/zkp-learning 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/luckychacha/zkp-learning
[INFO] finished tweaking git repo https://github.com/luckychacha/zkp-learning
[INFO] tweaked toml for git repo https://github.com/luckychacha/zkp-learning written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/luckychacha/zkp-learning 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] warning: /workspace/builds/worker-6-tc1/source/Cargo.toml: unused manifest key: workspace.package.name
[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] 816f2592ee8fbfaaf483952223fcdd1f23c2e0830ca137d46cbb0801b5294b8d
[INFO] running `Command { std: "docker" "start" "-a" "816f2592ee8fbfaaf483952223fcdd1f23c2e0830ca137d46cbb0801b5294b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "816f2592ee8fbfaaf483952223fcdd1f23c2e0830ca137d46cbb0801b5294b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "816f2592ee8fbfaaf483952223fcdd1f23c2e0830ca137d46cbb0801b5294b8d", kill_on_drop: false }`
[INFO] [stdout] 816f2592ee8fbfaaf483952223fcdd1f23c2e0830ca137d46cbb0801b5294b8d
[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] 7450cf74853d76ab2b4028a835228a16a85914c0dbe64d744c18baee3f684708
[INFO] running `Command { std: "docker" "start" "-a" "7450cf74853d76ab2b4028a835228a16a85914c0dbe64d744c18baee3f684708", 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] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: workspace.package.name
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking pasta_curves v0.5.1
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.39
[INFO] [stderr]     Checking halo2_proofs v0.3.0
[INFO] [stderr]     Checking simple-example v0.1.0 (/opt/rustwide/workdir/simple-example)
[INFO] [stderr]     Checking fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci)
[INFO] [stdout] warning: unused import: `halo2_proofs::arithmetic::Field`
[INFO] [stdout]  --> fibonacci/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use halo2_proofs::arithmetic::Field;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::Layout`
[INFO] [stdout]  --> fibonacci/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `halo2_proofs::arithmetic::Field`
[INFO] [stdout]  --> fibonacci/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use halo2_proofs::arithmetic::Field;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::Layout`
[INFO] [stdout]  --> fibonacci/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Assigned`
[INFO] [stdout]  --> simple-example/src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Advice, Assigned, Column, ConstraintSystem, Error, Fixed, Instance, Selector,
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Assigned`
[INFO] [stdout]  --> simple-example/src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Advice, Assigned, Column, ConstraintSystem, Error, Fixed, Instance, Selector,
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_val`
[INFO] [stdout]   --> fibonacci/src/main.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 let c_val = a.and_then(|a| b.map(|b| a + b));
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_c_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_val`
[INFO] [stdout]   --> fibonacci/src/main.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 let c_val = a.and_then(|a| b.map(|b| a + b));
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_c_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NumericInstructions` is never used
[INFO] [stdout]   --> simple-example/src/main.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | trait NumericInstructions<F: Field>: Chip<F> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FieldChip` is never constructed
[INFO] [stdout]   --> simple-example/src/main.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct FieldChip<F: Field> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `construct` and `configure` are never used
[INFO] [stdout]   --> simple-example/src/main.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<F: Field> FieldChip<F> {
[INFO] [stdout]    | --------------------------- associated functions in this implementation
[INFO] [stdout] 66 |     fn construct(config: <Self as Chip<F>>::Config) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn configure(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `advice`, `instance`, and `s_mul` are never read
[INFO] [stdout]    --> simple-example/src/main.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct FieldConfig {
[INFO] [stdout]     |        ----------- fields in this struct
[INFO] [stdout] 119 |     advice: [Column<Advice>; 2],
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 120 |     instance: Column<Instance>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 121 |     s_mul: Selector,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NumericInstructions` is never used
[INFO] [stdout]   --> simple-example/src/main.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | trait NumericInstructions<F: Field>: Chip<F> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FieldChip` is never constructed
[INFO] [stdout]   --> simple-example/src/main.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct FieldChip<F: Field> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `construct` and `configure` are never used
[INFO] [stdout]   --> simple-example/src/main.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<F: Field> FieldChip<F> {
[INFO] [stdout]    | --------------------------- associated functions in this implementation
[INFO] [stdout] 66 |     fn construct(config: <Self as Chip<F>>::Config) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn configure(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `advice`, `instance`, and `s_mul` are never read
[INFO] [stdout]    --> simple-example/src/main.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct FieldConfig {
[INFO] [stdout]     |        ----------- fields in this struct
[INFO] [stdout] 119 |     advice: [Column<Advice>; 2],
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 120 |     instance: Column<Instance>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 121 |     s_mul: Selector,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.21s
[INFO] running `Command { std: "docker" "inspect" "7450cf74853d76ab2b4028a835228a16a85914c0dbe64d744c18baee3f684708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7450cf74853d76ab2b4028a835228a16a85914c0dbe64d744c18baee3f684708", kill_on_drop: false }`
[INFO] [stdout] 7450cf74853d76ab2b4028a835228a16a85914c0dbe64d744c18baee3f684708
[INFO] checking luckychacha/zkp-learning against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluckychacha%2Fzkp-learning" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luckychacha/zkp-learning on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luckychacha/zkp-learning
[INFO] finished tweaking git repo https://github.com/luckychacha/zkp-learning
[INFO] tweaked toml for git repo https://github.com/luckychacha/zkp-learning written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/luckychacha/zkp-learning 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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] warning: /workspace/builds/worker-6-tc2/source/Cargo.toml: unused manifest key: workspace.package.name
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e9b35872068d9acb1908fae751602b1030131b1411cc134152fa948abae9d06
[INFO] running `Command { std: "docker" "start" "-a" "9e9b35872068d9acb1908fae751602b1030131b1411cc134152fa948abae9d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e9b35872068d9acb1908fae751602b1030131b1411cc134152fa948abae9d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9b35872068d9acb1908fae751602b1030131b1411cc134152fa948abae9d06", kill_on_drop: false }`
[INFO] [stdout] 9e9b35872068d9acb1908fae751602b1030131b1411cc134152fa948abae9d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 072a692a5c02f03c0a6b60b3bae77f22e092a1ea07f731e56daa428f0449ad6c
[INFO] running `Command { std: "docker" "start" "-a" "072a692a5c02f03c0a6b60b3bae77f22e092a1ea07f731e56daa428f0449ad6c", 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] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: workspace.package.name
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking radium v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking pasta_curves v0.5.1
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.39
[INFO] [stderr]     Checking halo2_proofs v0.3.0
[INFO] [stderr]     Checking fibonacci v0.1.0 (/opt/rustwide/workdir/fibonacci)
[INFO] [stderr]     Checking simple-example v0.1.0 (/opt/rustwide/workdir/simple-example)
[INFO] [stdout] warning: unused import: `halo2_proofs::arithmetic::Field`
[INFO] [stdout]  --> fibonacci/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use halo2_proofs::arithmetic::Field;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::Layout`
[INFO] [stdout]  --> fibonacci/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `halo2_proofs::arithmetic::Field`
[INFO] [stdout]  --> fibonacci/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use halo2_proofs::arithmetic::Field;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::Layout`
[INFO] [stdout]  --> fibonacci/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Assigned`
[INFO] [stdout]  --> simple-example/src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Advice, Assigned, Column, ConstraintSystem, Error, Fixed, Instance, Selector,
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Assigned`
[INFO] [stdout]  --> simple-example/src/main.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Advice, Assigned, Column, ConstraintSystem, Error, Fixed, Instance, Selector,
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_val`
[INFO] [stdout]   --> fibonacci/src/main.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 let c_val = a.and_then(|a| b.map(|b| a + b));
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_c_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_val`
[INFO] [stdout]   --> fibonacci/src/main.rs:71:21
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 let c_val = a.and_then(|a| b.map(|b| a + b));
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_c_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NumericInstructions` is never used
[INFO] [stdout]   --> simple-example/src/main.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | trait NumericInstructions<F: Field>: Chip<F> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FieldChip` is never constructed
[INFO] [stdout]   --> simple-example/src/main.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct FieldChip<F: Field> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `construct` and `configure` are never used
[INFO] [stdout]   --> simple-example/src/main.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<F: Field> FieldChip<F> {
[INFO] [stdout]    | --------------------------- associated functions in this implementation
[INFO] [stdout] 66 |     fn construct(config: <Self as Chip<F>>::Config) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn configure(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `advice`, `instance`, and `s_mul` are never read
[INFO] [stdout]    --> simple-example/src/main.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct FieldConfig {
[INFO] [stdout]     |        ----------- fields in this struct
[INFO] [stdout] 119 |     advice: [Column<Advice>; 2],
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 120 |     instance: Column<Instance>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 121 |     s_mul: Selector,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NumericInstructions` is never used
[INFO] [stdout]   --> simple-example/src/main.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | trait NumericInstructions<F: Field>: Chip<F> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FieldChip` is never constructed
[INFO] [stdout]   --> simple-example/src/main.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct FieldChip<F: Field> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `construct` and `configure` are never used
[INFO] [stdout]   --> simple-example/src/main.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<F: Field> FieldChip<F> {
[INFO] [stdout]    | --------------------------- associated functions in this implementation
[INFO] [stdout] 66 |     fn construct(config: <Self as Chip<F>>::Config) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn configure(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `advice`, `instance`, and `s_mul` are never read
[INFO] [stdout]    --> simple-example/src/main.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | struct FieldConfig {
[INFO] [stdout]     |        ----------- fields in this struct
[INFO] [stdout] 119 |     advice: [Column<Advice>; 2],
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 120 |     instance: Column<Instance>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 121 |     s_mul: Selector,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FieldConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.22s
[INFO] running `Command { std: "docker" "inspect" "072a692a5c02f03c0a6b60b3bae77f22e092a1ea07f731e56daa428f0449ad6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072a692a5c02f03c0a6b60b3bae77f22e092a1ea07f731e56daa428f0449ad6c", kill_on_drop: false }`
[INFO] [stdout] 072a692a5c02f03c0a6b60b3bae77f22e092a1ea07f731e56daa428f0449ad6c