[INFO] cloning repository https://github.com/xdevs23/terribly-failed-doubly-linked-list-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xdevs23/terribly-failed-doubly-linked-list-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdevs23%2Fterribly-failed-doubly-linked-list-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdevs23%2Fterribly-failed-doubly-linked-list-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e87d03b837f5ce67b81d4afbe12d0a62ccd05eaf
[INFO] checking xdevs23/terribly-failed-doubly-linked-list-in-rust against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxdevs23%2Fterribly-failed-doubly-linked-list-in-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xdevs23/terribly-failed-doubly-linked-list-in-rust
[INFO] finished tweaking git repo https://github.com/xdevs23/terribly-failed-doubly-linked-list-in-rust
[INFO] tweaked toml for git repo https://github.com/xdevs23/terribly-failed-doubly-linked-list-in-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xdevs23/terribly-failed-doubly-linked-list-in-rust on toolchain f21fbac535ab2c3bc50db20547f4d48477357103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xdevs23/terribly-failed-doubly-linked-list-in-rust 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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8106f2948d209cedcb5014cf6baa2607f5c8c89b4d5e97d00bf34194e874038
[INFO] running `Command { std: "docker" "start" "-a" "a8106f2948d209cedcb5014cf6baa2607f5c8c89b4d5e97d00bf34194e874038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8106f2948d209cedcb5014cf6baa2607f5c8c89b4d5e97d00bf34194e874038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8106f2948d209cedcb5014cf6baa2607f5c8c89b4d5e97d00bf34194e874038", kill_on_drop: false }`
[INFO] [stdout] a8106f2948d209cedcb5014cf6baa2607f5c8c89b4d5e97d00bf34194e874038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 538de578d5b022211611e9465bdb45b5b90413371726b699b7ba5091b8f31271
[INFO] running `Command { std: "docker" "start" "-a" "538de578d5b022211611e9465bdb45b5b90413371726b699b7ba5091b8f31271", kill_on_drop: false }`
[INFO] [stderr]     Checking dbl-ll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `list`
[INFO] [stdout]   --> src/main.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let list = LinkedList {
[INFO] [stdout]    |         ---- move occurs because `list` has type `LinkedList<'_, &str>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 58 |     list.add(&data);
[INFO] [stdout]    |          ---------- `list` moved due to this method call
[INFO] [stdout] 59 |     let newdata = list.get(0);
[INFO] [stdout]    |                   ^^^^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] note: `LinkedList::<'a, T>::add` takes ownership of the receiver `self`, which moves `list`
[INFO] [stdout]   --> src/main.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn add(self, data: &'a T) {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `list`
[INFO] [stdout]   --> src/main.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let list = LinkedList {
[INFO] [stdout]    |         ---- move occurs because `list` has type `LinkedList<'_, &str>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 58 |     list.add(&data);
[INFO] [stdout]    |          ---------- `list` moved due to this method call
[INFO] [stdout] 59 |     let newdata = list.get(0);
[INFO] [stdout]    |                   ^^^^ value used here after move
[INFO] [stdout]    |
[INFO] [stdout] note: `LinkedList::<'a, T>::add` takes ownership of the receiver `self`, which moves `list`
[INFO] [stdout]   --> src/main.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn add(self, data: &'a T) {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dbl-ll` (bin "dbl-ll") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `dbl-ll` (bin "dbl-ll" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "538de578d5b022211611e9465bdb45b5b90413371726b699b7ba5091b8f31271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "538de578d5b022211611e9465bdb45b5b90413371726b699b7ba5091b8f31271", kill_on_drop: false }`
[INFO] [stdout] 538de578d5b022211611e9465bdb45b5b90413371726b699b7ba5091b8f31271