[INFO] cloning repository https://github.com/eightfx/galois_field
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eightfx/galois_field" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feightfx%2Fgalois_field", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feightfx%2Fgalois_field'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cb8bd08d3b8616d0a6169f1a8e79aed397c8cdc
[INFO] checking eightfx/galois_field against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feightfx%2Fgalois_field" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eightfx/galois_field
[INFO] finished tweaking git repo https://github.com/eightfx/galois_field
[INFO] tweaked toml for git repo https://github.com/eightfx/galois_field written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eightfx/galois_field on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eightfx/galois_field 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.keyword
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea12e8d2ff1ff3e42f1a6701f6741e3be62eed8dd4dbf6caf7e7c72354c76436
[INFO] running `Command { std: "docker" "start" "-a" "ea12e8d2ff1ff3e42f1a6701f6741e3be62eed8dd4dbf6caf7e7c72354c76436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea12e8d2ff1ff3e42f1a6701f6741e3be62eed8dd4dbf6caf7e7c72354c76436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea12e8d2ff1ff3e42f1a6701f6741e3be62eed8dd4dbf6caf7e7c72354c76436", kill_on_drop: false }`
[INFO] [stdout] ea12e8d2ff1ff3e42f1a6701f6741e3be62eed8dd4dbf6caf7e7c72354c76436
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e53e598f4bbfb3ad924ba4971d6bf778ca32df19b1201580a381f77ea6d9ff7
[INFO] running `Command { std: "docker" "start" "-a" "7e53e598f4bbfb3ad924ba4971d6bf778ca32df19b1201580a381f77ea6d9ff7", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.keyword
[INFO] [stderr]     Checking galois_field v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `quotient` is never read
[INFO] [stdout]    --> src/lib.rs:687:13
[INFO] [stdout]     |
[INFO] [stdout] 687 |             quotient = Polynomial {
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `quotient` is never read
[INFO] [stdout]    --> src/lib.rs:687:13
[INFO] [stdout]     |
[INFO] [stdout] 687 |             quotient = Polynomial {
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `answer`
[INFO] [stdout]     --> src/lib.rs:1288:13
[INFO] [stdout]      |
[INFO] [stdout] 1288 |         let answer = element0 + element1;
[INFO] [stdout]      |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_answer`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `it_works` is never used
[INFO] [stdout]     --> src/lib.rs:1278:8
[INFO] [stdout]      |
[INFO] [stdout] 1278 |     fn it_works() {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/matrix.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut matrix_element:Vec<Vec<FiniteField>> = vec![
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/matrix.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut m = Matrix{
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/matrix.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut sweep_matrix = m.sweep_method();
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `!`, found `::`
[INFO] [stdout]  --> examples/assign_values.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | is_field::*;
[INFO] [stdout]   |         ^^ expected `!`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `galois_field` (example "assign_values") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7e53e598f4bbfb3ad924ba4971d6bf778ca32df19b1201580a381f77ea6d9ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e53e598f4bbfb3ad924ba4971d6bf778ca32df19b1201580a381f77ea6d9ff7", kill_on_drop: false }`
[INFO] [stdout] 7e53e598f4bbfb3ad924ba4971d6bf778ca32df19b1201580a381f77ea6d9ff7
