[INFO] cloning repository https://github.com/kumaarpranv/simple-rust-STARK
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kumaarpranv/simple-rust-STARK" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumaarpranv%2Fsimple-rust-STARK", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumaarpranv%2Fsimple-rust-STARK'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e91c7cca8c4cedc4521d9a484a9be357c59f6a8f
[INFO] checking kumaarpranv/simple-rust-STARK against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumaarpranv%2Fsimple-rust-STARK" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kumaarpranv/simple-rust-STARK on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kumaarpranv/simple-rust-STARK
[INFO] finished tweaking git repo https://github.com/kumaarpranv/simple-rust-STARK
[INFO] tweaked toml for git repo https://github.com/kumaarpranv/simple-rust-STARK written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kumaarpranv/simple-rust-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" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc5163e5051b05aebb6e8acc23cdd2eec28da13319b8c0daea443502a8411923
[INFO] running `Command { std: "docker" "start" "-a" "bc5163e5051b05aebb6e8acc23cdd2eec28da13319b8c0daea443502a8411923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc5163e5051b05aebb6e8acc23cdd2eec28da13319b8c0daea443502a8411923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5163e5051b05aebb6e8acc23cdd2eec28da13319b8c0daea443502a8411923", kill_on_drop: false }`
[INFO] [stdout] bc5163e5051b05aebb6e8acc23cdd2eec28da13319b8c0daea443502a8411923
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5da7285648a09b475d70fc31630b099551992ebb8e2142fefbb30de2719e9ff8
[INFO] running `Command { std: "docker" "start" "-a" "5da7285648a09b475d70fc31630b099551992ebb8e2142fefbb30de2719e9ff8", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_stark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/core/algebra.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let base: i128 = 2;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/core/univariate.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for i in 0..maxlen {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/core/univariate.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut maxlen: i128 = cmp::max(
[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: unused variable: `i`
[INFO] [stdout]    --> src/core/univariate.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             for i in 0..len {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base`
[INFO] [stdout]    --> src/core/algebra.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let base: i128 = 2;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_base`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/core/univariate.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for i in 0..maxlen {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/core/univariate.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut maxlen: i128 = cmp::max(
[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: unused variable: `i`
[INFO] [stdout]    --> src/core/univariate.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |             for i in 0..len {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/rust_stark-d9d580df75fb6539.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rust_stark-d9d580df75fb6539/dep-bin-rust_stark`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/rust_stark-1995c7dcbdcd1b8e.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/rust_stark-1995c7dcbdcd1b8e/dep-test-bin-rust_stark`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "5da7285648a09b475d70fc31630b099551992ebb8e2142fefbb30de2719e9ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da7285648a09b475d70fc31630b099551992ebb8e2142fefbb30de2719e9ff8", kill_on_drop: false }`
[INFO] [stdout] 5da7285648a09b475d70fc31630b099551992ebb8e2142fefbb30de2719e9ff8