[INFO] cloning repository https://github.com/TurtlePU/elliptic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TurtlePU/elliptic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTurtlePU%2Felliptic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTurtlePU%2Felliptic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 690edc4c872d57d278662cc31389d60c5696baa8
[INFO] checking TurtlePU/elliptic against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTurtlePU%2Felliptic" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TurtlePU/elliptic on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TurtlePU/elliptic
[INFO] finished tweaking git repo https://github.com/TurtlePU/elliptic
[INFO] tweaked toml for git repo https://github.com/TurtlePU/elliptic written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/TurtlePU/elliptic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b18d8b805a1655623bf54453546924dbeb8af1d7df73eaa9a69e946f886e8d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7b18d8b805a1655623bf54453546924dbeb8af1d7df73eaa9a69e946f886e8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b18d8b805a1655623bf54453546924dbeb8af1d7df73eaa9a69e946f886e8d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b18d8b805a1655623bf54453546924dbeb8af1d7df73eaa9a69e946f886e8d7", kill_on_drop: false }`
[INFO] [stdout] 7b18d8b805a1655623bf54453546924dbeb8af1d7df73eaa9a69e946f886e8d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ec79676fbed3f93797ac1d0087852c5a67c2a32245ad4f1801eda45400930fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ec79676fbed3f93797ac1d0087852c5a67c2a32245ad4f1801eda45400930fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking elliptic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `group::Group`
[INFO] [stdout]  --> src/fin.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{group::Group, poly::Poly, ring::Ring};
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `group::Group`
[INFO] [stdout]  --> src/fin.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{group::Group, poly::Poly, ring::Ring};
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Fin<R, T>: group::Group<T>` is not satisfied
[INFO] [stdout]  --> src/fin.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl<R, T> Ring<T> for Fin<R, T> {
[INFO] [stdout]   |            ^^^^^^^ the trait `group::Group<T>` is not implemented for `Fin<R, T>`
[INFO] [stdout]   | 
[INFO] [stdout]  ::: src/ring.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Ring<T> : Group<T> {
[INFO] [stdout]   |                     -------- required by this bound in `Ring`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Fin<R, T>: group::Group<T>` is not satisfied
[INFO] [stdout]  --> src/fin.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl<R, T> Ring<T> for Fin<R, T> {
[INFO] [stdout]   |            ^^^^^^^ the trait `group::Group<T>` is not implemented for `Fin<R, T>`
[INFO] [stdout]   | 
[INFO] [stdout]  ::: src/ring.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Ring<T> : Group<T> {
[INFO] [stdout]   |                     -------- required by this bound in `Ring`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elliptic`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0ec79676fbed3f93797ac1d0087852c5a67c2a32245ad4f1801eda45400930fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec79676fbed3f93797ac1d0087852c5a67c2a32245ad4f1801eda45400930fe", kill_on_drop: false }`
[INFO] [stdout] 0ec79676fbed3f93797ac1d0087852c5a67c2a32245ad4f1801eda45400930fe