[INFO] cloning repository https://github.com/sydhds/rust_ecc_curves
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sydhds/rust_ecc_curves" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsydhds%2Frust_ecc_curves", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsydhds%2Frust_ecc_curves'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cd779d6006d0c138b3795c7e09c906e6eb934dc
[INFO] checking sydhds/rust_ecc_curves against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124305
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsydhds%2Frust_ecc_curves" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sydhds/rust_ecc_curves on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/sydhds/rust_ecc_curves
[INFO] finished tweaking git repo https://github.com/sydhds/rust_ecc_curves
[INFO] tweaked toml for git repo https://github.com/sydhds/rust_ecc_curves written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sydhds/rust_ecc_curves 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking sydhds/rust_ecc_curves against try#44523379467bbd2050af931a040d10c2b764b443 for pr-124305
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsydhds%2Frust_ecc_curves" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sydhds/rust_ecc_curves on toolchain 44523379467bbd2050af931a040d10c2b764b443
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/sydhds/rust_ecc_curves
[INFO] finished tweaking git repo https://github.com/sydhds/rust_ecc_curves
[INFO] tweaked toml for git repo https://github.com/sydhds/rust_ecc_curves written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sydhds/rust_ecc_curves 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" "+44523379467bbd2050af931a040d10c2b764b443" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking sydhds/rust_ecc_curves against try#44523379467bbd2050af931a040d10c2b764b443 for pr-124305
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsydhds%2Frust_ecc_curves" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sydhds/rust_ecc_curves on toolchain 44523379467bbd2050af931a040d10c2b764b443
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/sydhds/rust_ecc_curves
[INFO] finished tweaking git repo https://github.com/sydhds/rust_ecc_curves
[INFO] tweaked toml for git repo https://github.com/sydhds/rust_ecc_curves written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sydhds/rust_ecc_curves 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" "+44523379467bbd2050af931a040d10c2b764b443" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f4e153e6a8cfab3f941e3d0939037550e6948a4d4df1632e4b5cda243a7eac2
[INFO] running `Command { std: "docker" "start" "-a" "7f4e153e6a8cfab3f941e3d0939037550e6948a4d4df1632e4b5cda243a7eac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f4e153e6a8cfab3f941e3d0939037550e6948a4d4df1632e4b5cda243a7eac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4e153e6a8cfab3f941e3d0939037550e6948a4d4df1632e4b5cda243a7eac2", kill_on_drop: false }`
[INFO] [stdout] 7f4e153e6a8cfab3f941e3d0939037550e6948a4d4df1632e4b5cda243a7eac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+44523379467bbd2050af931a040d10c2b764b443" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76ccebab0ab7370e762743dfa69d9d7eb535d9da7c41e4357ff28ae6c6ebb1a2
[INFO] running `Command { std: "docker" "start" "-a" "76ccebab0ab7370e762743dfa69d9d7eb535d9da7c41e4357ff28ae6c6ebb1a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking rust_ecc_curves v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `EllipticCurve` is never used
[INFO] [stdout]  --> src/curve61.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait EllipticCurve {
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Curve61` is never constructed
[INFO] [stdout]   --> src/curve61.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Curve61 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `multiplication_inverse`, and `square_root` are never used
[INFO] [stdout]   --> src/ff23.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl FiniteField23Point {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn new(value: u8) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn multiplication_inverse(&self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn square_root(&self) -> Option<(Self, Self)> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `min`, `max`, `value`, `mul_inverse`, and `square_root` are never used
[INFO] [stdout]   --> src/ff61.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub(crate) trait FiniteField: Add + Sub + Mul + Neg + PartialEq + Sized {
[INFO] [stdout]    |                  ----------- associated items in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn new(value: Self::ValueType) -> Self;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 14 |
[INFO] [stdout] 15 |     fn min() -> Self;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 16 |     fn max() -> Self;
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 17 |
[INFO] [stdout] 18 |     fn value(&self) -> Self::ValueType;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn mul_inverse(&self) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 22 |     fn square_root(&self) -> Option<(Self, Self)>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "76ccebab0ab7370e762743dfa69d9d7eb535d9da7c41e4357ff28ae6c6ebb1a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ccebab0ab7370e762743dfa69d9d7eb535d9da7c41e4357ff28ae6c6ebb1a2", kill_on_drop: false }`
[INFO] [stdout] 76ccebab0ab7370e762743dfa69d9d7eb535d9da7c41e4357ff28ae6c6ebb1a2