[INFO] cloning repository https://github.com/AnInsaneJimJam/linear_regression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnInsaneJimJam/linear_regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnInsaneJimJam%2Flinear_regression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnInsaneJimJam%2Flinear_regression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 166f37dcf87d75aab7becdd880f1a372b89cbb1c
[INFO] testing AnInsaneJimJam/linear_regression against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnInsaneJimJam%2Flinear_regression" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AnInsaneJimJam/linear_regression
[INFO] finished tweaking git repo https://github.com/AnInsaneJimJam/linear_regression
[INFO] tweaked toml for git repo https://github.com/AnInsaneJimJam/linear_regression written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AnInsaneJimJam/linear_regression on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AnInsaneJimJam/linear_regression 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20d5617575787a94555c3a990206f1581856f6cb7eb2708b1a32ff38641b2723
[INFO] running `Command { std: "docker" "start" "-a" "20d5617575787a94555c3a990206f1581856f6cb7eb2708b1a32ff38641b2723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20d5617575787a94555c3a990206f1581856f6cb7eb2708b1a32ff38641b2723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d5617575787a94555c3a990206f1581856f6cb7eb2708b1a32ff38641b2723", kill_on_drop: false }`
[INFO] [stdout] 20d5617575787a94555c3a990206f1581856f6cb7eb2708b1a32ff38641b2723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1023508394ecd4e82f027fec31ffd3c8bd8ee743f7c04fdd259bbb1c58f0b445
[INFO] running `Command { std: "docker" "start" "-a" "1023508394ecd4e82f027fec31ffd3c8bd8ee743f7c04fdd259bbb1c58f0b445", kill_on_drop: false }`
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling winter-utils v0.12.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling winter-math v0.12.0
[INFO] [stderr]    Compiling winter-crypto v0.12.0
[INFO] [stderr]    Compiling winter-fri v0.12.2
[INFO] [stderr]    Compiling winter-air v0.12.3
[INFO] [stderr]    Compiling winter-verifier v0.12.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling winter-maybe-async v0.12.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling winter-prover v0.12.3
[INFO] [stderr]    Compiling winterfell v0.12.0
[INFO] [stderr]    Compiling linear_regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ConstraintEvaluator` and `TraceLde`
[INFO] [stdout]  --> src/main.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |     TracePolyTable, ConstraintEvaluator, TraceLde, ConstraintCompositionCoefficients,
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let mut i = 0;
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let mut i = 0;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "1023508394ecd4e82f027fec31ffd3c8bd8ee743f7c04fdd259bbb1c58f0b445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1023508394ecd4e82f027fec31ffd3c8bd8ee743f7c04fdd259bbb1c58f0b445", kill_on_drop: false }`
[INFO] [stdout] 1023508394ecd4e82f027fec31ffd3c8bd8ee743f7c04fdd259bbb1c58f0b445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f09fb897ee0123a2c9018be213a7c13d96f4e113fa71a013169b74bed1c43028
[INFO] running `Command { std: "docker" "start" "-a" "f09fb897ee0123a2c9018be213a7c13d96f4e113fa71a013169b74bed1c43028", kill_on_drop: false }`
[INFO] [stderr]    Compiling linear_regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ConstraintEvaluator` and `TraceLde`
[INFO] [stdout]  --> src/main.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |     TracePolyTable, ConstraintEvaluator, TraceLde, ConstraintCompositionCoefficients,
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let mut i = 0;
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let mut i = 0;
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.66s
[INFO] running `Command { std: "docker" "inspect" "f09fb897ee0123a2c9018be213a7c13d96f4e113fa71a013169b74bed1c43028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09fb897ee0123a2c9018be213a7c13d96f4e113fa71a013169b74bed1c43028", kill_on_drop: false }`
[INFO] [stdout] f09fb897ee0123a2c9018be213a7c13d96f4e113fa71a013169b74bed1c43028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbebb3c3e0f66b8694b4d507ff37c31e1c076dbedabc7925353b803e021a4b6b
[INFO] running `Command { std: "docker" "start" "-a" "bbebb3c3e0f66b8694b4d507ff37c31e1c076dbedabc7925353b803e021a4b6b", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ConstraintEvaluator` and `TraceLde`
[INFO] [stderr]  --> src/main.rs:9:21
[INFO] [stderr]   |
[INFO] [stderr] 9 |     TracePolyTable, ConstraintEvaluator, TraceLde, ConstraintCompositionCoefficients,
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let mut i = 0;
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:203:13
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let mut i = 0;
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `linear_regression` (bin "linear_regression" test) generated 3 warnings (run `cargo fix --bin "linear_regression" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/linear_regression-0c64fe14be1b606e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_linear_regression_proof ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bbebb3c3e0f66b8694b4d507ff37c31e1c076dbedabc7925353b803e021a4b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbebb3c3e0f66b8694b4d507ff37c31e1c076dbedabc7925353b803e021a4b6b", kill_on_drop: false }`
[INFO] [stdout] bbebb3c3e0f66b8694b4d507ff37c31e1c076dbedabc7925353b803e021a4b6b
