[INFO] cloning repository https://github.com/Acasune/btreemap-sample-codes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Acasune/btreemap-sample-codes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcasune%2Fbtreemap-sample-codes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcasune%2Fbtreemap-sample-codes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66f6ac73a54762cb2abfbaf1913af64ba81cde9d
[INFO] testing Acasune/btreemap-sample-codes against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcasune%2Fbtreemap-sample-codes" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Acasune/btreemap-sample-codes on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Acasune/btreemap-sample-codes
[INFO] finished tweaking git repo https://github.com/Acasune/btreemap-sample-codes
[INFO] tweaked toml for git repo https://github.com/Acasune/btreemap-sample-codes written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Acasune/btreemap-sample-codes 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 878841b56f866df952e86f13b7784b92588e557a8ac711e8070f38d646ddc1cc
[INFO] running `Command { std: "docker" "start" "-a" "878841b56f866df952e86f13b7784b92588e557a8ac711e8070f38d646ddc1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "878841b56f866df952e86f13b7784b92588e557a8ac711e8070f38d646ddc1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878841b56f866df952e86f13b7784b92588e557a8ac711e8070f38d646ddc1cc", kill_on_drop: false }`
[INFO] [stdout] 878841b56f866df952e86f13b7784b92588e557a8ac711e8070f38d646ddc1cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04167b57e687fe1fff1e4c5d2624de77c5278e17fdd37dc83b2955d7da72327a
[INFO] running `Command { std: "docker" "start" "-a" "04167b57e687fe1fff1e4c5d2624de77c5278e17fdd37dc83b2955d7da72327a", kill_on_drop: false }`
[INFO] [stderr]    Compiling btreemap-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/02.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             &value.push(4);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let _ = &value.push(4);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of a shared reference
[INFO] [stdout]   --> src/01.rs:19:39
[INFO] [stdout]    |
[INFO] [stdout] 19 |         if let Some((&key, &value)) = map.range((idx)..).next() {
[INFO] [stdout]    |                             -----     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             data moved here
[INFO] [stdout]    |                             move occurs because `value` has type `Vec<i32>`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout] help: consider borrowing the pattern binding
[INFO] [stdout]    |
[INFO] [stdout] 19 |         if let Some((&key, &ref value)) = map.range((idx)..).next() {
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `btreemap-test` (bin "01") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04167b57e687fe1fff1e4c5d2624de77c5278e17fdd37dc83b2955d7da72327a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04167b57e687fe1fff1e4c5d2624de77c5278e17fdd37dc83b2955d7da72327a", kill_on_drop: false }`
[INFO] [stdout] 04167b57e687fe1fff1e4c5d2624de77c5278e17fdd37dc83b2955d7da72327a
