[INFO] cloning repository https://github.com/FlyingCanoe/number
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FlyingCanoe/number" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlyingCanoe%2Fnumber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlyingCanoe%2Fnumber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d59b6e8c63c7459d8f0ee8df08bacf116ca38a0e
[INFO] checking FlyingCanoe/number against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlyingCanoe%2Fnumber" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FlyingCanoe/number on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FlyingCanoe/number
[INFO] finished tweaking git repo https://github.com/FlyingCanoe/number
[INFO] tweaked toml for git repo https://github.com/FlyingCanoe/number written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/FlyingCanoe/number already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0465ddd1e7595e6f5dda3059836a480de4007826e2e89f82abc6aec0ab5837fe
[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" "0465ddd1e7595e6f5dda3059836a480de4007826e2e89f82abc6aec0ab5837fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0465ddd1e7595e6f5dda3059836a480de4007826e2e89f82abc6aec0ab5837fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0465ddd1e7595e6f5dda3059836a480de4007826e2e89f82abc6aec0ab5837fe", kill_on_drop: false }`
[INFO] [stdout] 0465ddd1e7595e6f5dda3059836a480de4007826e2e89f82abc6aec0ab5837fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea1fc64c31f730d7d916743de1cb34a8c91552a8bea5aaf8fab08a9c3d8e4ecc
[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" "ea1fc64c31f730d7d916743de1cb34a8c91552a8bea5aaf8fab08a9c3d8e4ecc", kill_on_drop: false }`
[INFO] [stderr]     Checking number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `element_algebrique`
[INFO] [stdout]   --> src/eqution/simplification.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for element_algebrique in self.list_d_element {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_algebrique`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_algebrique`
[INFO] [stdout]   --> src/eqution/simplification.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for element_algebrique in self.list_d_element {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_algebrique`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.list_d_element` which is behind a mutable reference
[INFO] [stdout]   --> src/eqution/simplification.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for element_algebrique in self.list_d_element {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   move occurs because `self.list_d_element` has type `Vec<eqution::ElementAlgebrique>`, which does not implement the `Copy` trait
[INFO] [stdout]    |                                   help: consider iterating over a slice of the `Vec<_>`'s content: `&self.list_d_element`
[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 E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `number`
[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] [stdout] error[E0507]: cannot move out of `self.list_d_element` which is behind a mutable reference
[INFO] [stdout]   --> src/eqution/simplification.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for element_algebrique in self.list_d_element {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   move occurs because `self.list_d_element` has type `Vec<eqution::ElementAlgebrique>`, which does not implement the `Copy` trait
[INFO] [stdout]    |                                   help: consider iterating over a slice of the `Vec<_>`'s content: `&self.list_d_element`
[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 E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ea1fc64c31f730d7d916743de1cb34a8c91552a8bea5aaf8fab08a9c3d8e4ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1fc64c31f730d7d916743de1cb34a8c91552a8bea5aaf8fab08a9c3d8e4ecc", kill_on_drop: false }`
[INFO] [stdout] ea1fc64c31f730d7d916743de1cb34a8c91552a8bea5aaf8fab08a9c3d8e4ecc