[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] checking Acasune/btreemap-sample-codes against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcasune%2Fbtreemap-sample-codes" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Acasune/btreemap-sample-codes on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "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-3-tc2/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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74e7eed9b5c1943d258b97ee8e473b16a9b5c25dc5bc197e07148e7b67413e35
[INFO] running `Command { std: "docker" "start" "-a" "74e7eed9b5c1943d258b97ee8e473b16a9b5c25dc5bc197e07148e7b67413e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74e7eed9b5c1943d258b97ee8e473b16a9b5c25dc5bc197e07148e7b67413e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e7eed9b5c1943d258b97ee8e473b16a9b5c25dc5bc197e07148e7b67413e35", kill_on_drop: false }`
[INFO] [stdout] 74e7eed9b5c1943d258b97ee8e473b16a9b5c25dc5bc197e07148e7b67413e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adbb3d149325de89810df81b0d94ebebd4b57acf02566f12ea48fa167be240e0
[INFO] running `Command { std: "docker" "start" "-a" "adbb3d149325de89810df81b0d94ebebd4b57acf02566f12ea48fa167be240e0", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] 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 removing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 19 -         if let Some((&key, &value)) = map.range((idx)..).next() {
[INFO] [stdout] 19 +         if let Some((&key, value)) = map.range((idx)..).next() {
[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 removing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 19 -         if let Some((&key, &value)) = map.range((idx)..).next() {
[INFO] [stdout] 19 +         if let Some((&key, value)) = map.range((idx)..).next() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0507`.
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `btreemap-test` (bin "01" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "adbb3d149325de89810df81b0d94ebebd4b57acf02566f12ea48fa167be240e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adbb3d149325de89810df81b0d94ebebd4b57acf02566f12ea48fa167be240e0", kill_on_drop: false }`
[INFO] [stdout] adbb3d149325de89810df81b0d94ebebd4b57acf02566f12ea48fa167be240e0
