[INFO] cloning repository https://github.com/miguelis/private_optimizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miguelis/private_optimizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiguelis%2Fprivate_optimizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiguelis%2Fprivate_optimizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb457e85764b6ff7dad71d2b065bf85448f58d0a
[INFO] checking miguelis/private_optimizer against master#8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b for pr-133925
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiguelis%2Fprivate_optimizer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/miguelis/private_optimizer on toolchain 8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/miguelis/private_optimizer
[INFO] finished tweaking git repo https://github.com/miguelis/private_optimizer
[INFO] tweaked toml for git repo https://github.com/miguelis/private_optimizer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/miguelis/private_optimizer 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" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c20abd92c5b9ad3b9237eef3ae752c982c0193dbad7358e5a5b23e8d1e617a7
[INFO] running `Command { std: "docker" "start" "-a" "2c20abd92c5b9ad3b9237eef3ae752c982c0193dbad7358e5a5b23e8d1e617a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c20abd92c5b9ad3b9237eef3ae752c982c0193dbad7358e5a5b23e8d1e617a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c20abd92c5b9ad3b9237eef3ae752c982c0193dbad7358e5a5b23e8d1e617a7", kill_on_drop: false }`
[INFO] [stdout] 2c20abd92c5b9ad3b9237eef3ae752c982c0193dbad7358e5a5b23e8d1e617a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5a3b66aa5e02c31e753192414ddf1a5ab8d179b4229787cc264682fc3c6b880
[INFO] running `Command { std: "docker" "start" "-a" "d5a3b66aa5e02c31e753192414ddf1a5ab8d179b4229787cc264682fc3c6b880", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking constant_tracking v2.0.1 (/opt/rustwide/workdir/constant_tracking)
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking circom_algebra v2.0.1 (/opt/rustwide/workdir/circom_algebra)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> circom_algebra/src/algebra.rs:1164:21
[INFO] [stdout]      |
[INFO] [stdout] 1164 |                 let mut monomial;
[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: variable does not need to be mutable
[INFO] [stdout]     --> circom_algebra/src/algebra.rs:1164:21
[INFO] [stdout]      |
[INFO] [stdout] 1164 |                 let mut monomial;
[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] error: could not compile `circom_algebra` (lib test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b/bin/rustc --crate-name circom_algebra --edition=2018 circom_algebra/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=36b95b6980298aac -C extra-filename=-ceb228a62af7a3f1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern constant_tracking=/opt/rustwide/target/debug/deps/libconstant_tracking-3a41a27956f5acf1.rmeta --extern num_bigint_dig=/opt/rustwide/target/debug/deps/libnum_bigint_dig-1405d14c117094de.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-1c33dbb9cf125d0a.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaSaibAa"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `circom_algebra` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d5a3b66aa5e02c31e753192414ddf1a5ab8d179b4229787cc264682fc3c6b880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a3b66aa5e02c31e753192414ddf1a5ab8d179b4229787cc264682fc3c6b880", kill_on_drop: false }`
[INFO] [stdout] d5a3b66aa5e02c31e753192414ddf1a5ab8d179b4229787cc264682fc3c6b880