[INFO] cloning repository https://github.com/shubham-kanodia/zk-learning-platform-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shubham-kanodia/zk-learning-platform-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshubham-kanodia%2Fzk-learning-platform-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshubham-kanodia%2Fzk-learning-platform-rs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshubham-kanodia%2Fzk-learning-platform-rs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/shubham-kanodia/zk-learning-platform-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shubham-kanodia/zk-learning-platform-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshubham-kanodia%2Fzk-learning-platform-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshubham-kanodia%2Fzk-learning-platform-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5154659f3733b8d0ed9b872204714a7a1f20bb3
[INFO] checking shubham-kanodia/zk-learning-platform-rs against try#51000a35bc99aeffdc092bf2226ab562eedb9eff for pr-135899
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshubham-kanodia%2Fzk-learning-platform-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shubham-kanodia/zk-learning-platform-rs on toolchain 51000a35bc99aeffdc092bf2226ab562eedb9eff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shubham-kanodia/zk-learning-platform-rs
[INFO] finished tweaking git repo https://github.com/shubham-kanodia/zk-learning-platform-rs
[INFO] tweaked toml for git repo https://github.com/shubham-kanodia/zk-learning-platform-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/shubham-kanodia/zk-learning-platform-rs 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" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "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-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebc5dc045f796c87ef5e42f8352f7527ecf395bae32d32b4e784e4fdc9305214
[INFO] running `Command { std: "docker" "start" "-a" "ebc5dc045f796c87ef5e42f8352f7527ecf395bae32d32b4e784e4fdc9305214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebc5dc045f796c87ef5e42f8352f7527ecf395bae32d32b4e784e4fdc9305214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc5dc045f796c87ef5e42f8352f7527ecf395bae32d32b4e784e4fdc9305214", kill_on_drop: false }`
[INFO] [stdout] ebc5dc045f796c87ef5e42f8352f7527ecf395bae32d32b4e784e4fdc9305214
[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" "-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+51000a35bc99aeffdc092bf2226ab562eedb9eff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d3f5b972e67c1b0ab76571db21f219dbecd4122f2cea31df82ece6a330c7ecc
[INFO] running `Command { std: "docker" "start" "-a" "1d3f5b972e67c1b0ab76571db21f219dbecd4122f2cea31df82ece6a330c7ecc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking fraction v0.13.0
[INFO] [stderr]     Checking zk-learning-platform v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `utils::R1CS`
[INFO] [stdout]  --> src/zk/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use utils::R1CS;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::R1CS`
[INFO] [stdout]  --> src/zk/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use utils::R1CS;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_polynomials` is never used
[INFO] [stdout]  --> src/math/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn add_polynomials(polynomials: &Vec<Polynomial>) -> Polynomial {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply_polynomials` is never used
[INFO] [stdout]   --> src/math/utils.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn multiply_polynomials(polynomials: &Vec<Polynomial>) -> Polynomial {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `R1CS` is never constructed
[INFO] [stdout]  --> src/zk/utils.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct R1CS {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QAP` is never constructed
[INFO] [stdout]   --> src/zk/utils.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct QAP {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_qap` is never used
[INFO] [stdout]   --> src/zk/utils.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl R1CS {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn to_qap(&self) -> QAP {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_polynomials` is never used
[INFO] [stdout]  --> src/math/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn add_polynomials(polynomials: &Vec<Polynomial>) -> Polynomial {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply_polynomials` is never used
[INFO] [stdout]   --> src/math/utils.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn multiply_polynomials(polynomials: &Vec<Polynomial>) -> Polynomial {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `b` and `c` are never read
[INFO] [stdout]   --> src/zk/utils.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct QAP {
[INFO] [stdout]    |            --- fields in this struct
[INFO] [stdout] 13 |     a: Vec<Polynomial>,
[INFO] [stdout] 14 |     b: Vec<Polynomial>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 15 |     c: Vec<Polynomial>,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/zk_learning_platform-03d7d6160618776d.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/zk-learning-platform-03d7d6160618776d/dep-test-bin-zk-learning-platform`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "1d3f5b972e67c1b0ab76571db21f219dbecd4122f2cea31df82ece6a330c7ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3f5b972e67c1b0ab76571db21f219dbecd4122f2cea31df82ece6a330c7ecc", kill_on_drop: false }`
[INFO] [stdout] 1d3f5b972e67c1b0ab76571db21f219dbecd4122f2cea31df82ece6a330c7ecc