[INFO] fetching crate r1cs 0.4.7...
[INFO] checking r1cs-0.4.7 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate r1cs 0.4.7 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate r1cs 0.4.7
[INFO] finished tweaking crates.io crate r1cs 0.4.7
[INFO] tweaked toml for crates.io crate r1cs 0.4.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r1cs 0.4.7 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding bimap v0.4.0 (available: v0.6.3)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.8.2)
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.14.0)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49e8cf3529a9bb0b4ced8d5b3354f01b8cd70cfdcaa068052532688e32aa6c52
[INFO] running `Command { std: "docker" "start" "-a" "49e8cf3529a9bb0b4ced8d5b3354f01b8cd70cfdcaa068052532688e32aa6c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e8cf3529a9bb0b4ced8d5b3354f01b8cd70cfdcaa068052532688e32aa6c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e8cf3529a9bb0b4ced8d5b3354f01b8cd70cfdcaa068052532688e32aa6c52", kill_on_drop: false }`
[INFO] [stdout] 49e8cf3529a9bb0b4ced8d5b3354f01b8cd70cfdcaa068052532688e32aa6c52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be14140006fb2e7fc1b4370539d9989e046bb0f07a7012b57db6f7fdba34c102
[INFO] running `Command { std: "docker" "start" "-a" "be14140006fb2e7fc1b4370539d9989e046bb0f07a7012b57db6f7fdba34c102", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]     Checking memchr v2.8.1
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bimap v0.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking r1cs v0.4.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `MontgomeryPointExpression` is never constructed
[INFO] [stdout]   --> src/curve.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct MontgomeryPointExpression<F: Field> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `WeierstrassPointExpression` is never constructed
[INFO] [stdout]   --> src/curve.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct WeierstrassPointExpression<F: Field> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ProjWeierstrassPointExpression` is never constructed
[INFO] [stdout]   --> src/curve.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct ProjWeierstrassPointExpression<F: Field> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/curve.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct MontgomeryPointExpression<F: Field> {
[INFO] [stdout]    |            ------------------------- fields in this struct
[INFO] [stdout] 59 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 60 |     y: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/curve.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct WeierstrassPointExpression<F: Field> {
[INFO] [stdout]    |            -------------------------- fields in this struct
[INFO] [stdout] 67 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 68 |     y: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]   --> src/curve.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct ProjWeierstrassPointExpression<F: Field> {
[INFO] [stdout]    |            ------------------------------ fields in this struct
[INFO] [stdout] 75 |     x: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 76 |     y: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 77 |     z: Expression<F>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `MiMCPermutation` is never constructed
[INFO] [stdout]   --> src/mimc.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct MiMCPermutation<F: Field> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SignatureExpression` is never used
[INFO] [stdout]  --> src/signature.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait SignatureExpression<F: Field, C: EdwardsCurve<F>, CF> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SchnorrSignatureExpression` is never constructed
[INFO] [stdout]   --> src/signature.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct SchnorrSignatureExpression<F: Field> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r1cs` (lib) due to 4 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "be14140006fb2e7fc1b4370539d9989e046bb0f07a7012b57db6f7fdba34c102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be14140006fb2e7fc1b4370539d9989e046bb0f07a7012b57db6f7fdba34c102", kill_on_drop: false }`
[INFO] [stdout] be14140006fb2e7fc1b4370539d9989e046bb0f07a7012b57db6f7fdba34c102
