[INFO] cloning repository https://github.com/Astodialo/stark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Astodialo/stark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAstodialo%2Fstark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAstodialo%2Fstark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fffe85d83774dc75a301c073295086739af177d5
[INFO] building Astodialo/stark against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAstodialo%2Fstark" "/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/Astodialo/stark on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Astodialo/stark
[INFO] finished tweaking git repo https://github.com/Astodialo/stark
[INFO] tweaked toml for git repo https://github.com/Astodialo/stark written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Astodialo/stark 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8084d5e1a5d73c77fae0bbbaf1eab8da9b56049f500e8249e3278c37fa9138e7
[INFO] running `Command { std: "docker" "start" "-a" "8084d5e1a5d73c77fae0bbbaf1eab8da9b56049f500e8249e3278c37fa9138e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8084d5e1a5d73c77fae0bbbaf1eab8da9b56049f500e8249e3278c37fa9138e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8084d5e1a5d73c77fae0bbbaf1eab8da9b56049f500e8249e3278c37fa9138e7", kill_on_drop: false }`
[INFO] [stdout] 8084d5e1a5d73c77fae0bbbaf1eab8da9b56049f500e8249e3278c37fa9138e7
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f0b2c1ef26ec8fb9b641f564cea61a3a4ad2fee3a3f0e519b1c93a6cf679712
[INFO] running `Command { std: "docker" "start" "-a" "9f0b2c1ef26ec8fb9b641f564cea61a3a4ad2fee3a3f0e519b1c93a6cf679712", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling heapsize v0.3.9
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling elastic-array v0.7.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling sputnikvm-rlp v0.2.0
[INFO] [stderr]    Compiling sputnikvm-bigint v0.2.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling stark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RandomBits`
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_bigint::{BigInt, RandomBits, ToBigInt};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zero`
[INFO] [stdout]   --> src/polynomials.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let zero = self.coefficients[0].field.zero();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_zero`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/polynomials.rs:131:14
[INFO] [stdout]     |
[INFO] [stdout] 131 |         for (i, coeff) in quotient_coefficients.clone().iter_mut().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coeff`
[INFO] [stdout]    --> src/polynomials.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |         for (i, coeff) in quotient_coefficients.clone().iter_mut().enumerate() {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_coeff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `quo`
[INFO] [stdout]    --> src/polynomials.rs:158:14
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let (quo, rem) = self.divide(other).unwrap();
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_quo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut poly_zero = Polynomial::new([element.field.zero(), element.field.zero()].to_vec());
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `truediv` and `modulo` are never used
[INFO] [stdout]    --> src/polynomials.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 9   | impl Polynomial {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn truediv(&mut self, other: &mut Polynomial) -> Polynomial {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn modulo(&mut self, other: &mut Polynomial) -> Polynomial {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "9f0b2c1ef26ec8fb9b641f564cea61a3a4ad2fee3a3f0e519b1c93a6cf679712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0b2c1ef26ec8fb9b641f564cea61a3a4ad2fee3a3f0e519b1c93a6cf679712", kill_on_drop: false }`
[INFO] [stdout] 9f0b2c1ef26ec8fb9b641f564cea61a3a4ad2fee3a3f0e519b1c93a6cf679712
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a58395d38ae381e155de9f0a0211a2b628703be3c2a5ec4947e67eb99aed7df1
[INFO] running `Command { std: "docker" "start" "-a" "a58395d38ae381e155de9f0a0211a2b628703be3c2a5ec4947e67eb99aed7df1", kill_on_drop: false }`
[INFO] [stderr]    Compiling stark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RandomBits`
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_bigint::{BigInt, RandomBits, ToBigInt};
[INFO] [stdout]   |                          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zero`
[INFO] [stdout]   --> src/polynomials.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let zero = self.coefficients[0].field.zero();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_zero`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/polynomials.rs:131:14
[INFO] [stdout]     |
[INFO] [stdout] 131 |         for (i, coeff) in quotient_coefficients.clone().iter_mut().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coeff`
[INFO] [stdout]    --> src/polynomials.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |         for (i, coeff) in quotient_coefficients.clone().iter_mut().enumerate() {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_coeff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `quo`
[INFO] [stdout]    --> src/polynomials.rs:158:14
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let (quo, rem) = self.divide(other).unwrap();
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_quo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut poly_zero = Polynomial::new([element.field.zero(), element.field.zero()].to_vec());
[INFO] [stdout]    |         ----^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `truediv` and `modulo` are never used
[INFO] [stdout]    --> src/polynomials.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 9   | impl Polynomial {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn truediv(&mut self, other: &mut Polynomial) -> Polynomial {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |     pub fn modulo(&mut self, other: &mut Polynomial) -> Polynomial {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "a58395d38ae381e155de9f0a0211a2b628703be3c2a5ec4947e67eb99aed7df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a58395d38ae381e155de9f0a0211a2b628703be3c2a5ec4947e67eb99aed7df1", kill_on_drop: false }`
[INFO] [stdout] a58395d38ae381e155de9f0a0211a2b628703be3c2a5ec4947e67eb99aed7df1
