[INFO] cloning repository https://github.com/figgyfigs/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/figgyfigs/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiggyfigs%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiggyfigs%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31ed8cdba31ea6cbb9e44f8862247607faeccb25
[INFO] checking figgyfigs/rust-practice against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiggyfigs%2Frust-practice" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/figgyfigs/rust-practice on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/figgyfigs/rust-practice
[INFO] finished tweaking git repo https://github.com/figgyfigs/rust-practice
[INFO] tweaked toml for git repo https://github.com/figgyfigs/rust-practice written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/figgyfigs/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8219a421f6e78664fe748e396fb15bc40baca32fd4c38523a2444e0e4f3a42a9
[INFO] running `Command { std: "docker" "start" "-a" "8219a421f6e78664fe748e396fb15bc40baca32fd4c38523a2444e0e4f3a42a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8219a421f6e78664fe748e396fb15bc40baca32fd4c38523a2444e0e4f3a42a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8219a421f6e78664fe748e396fb15bc40baca32fd4c38523a2444e0e4f3a42a9", kill_on_drop: false }`
[INFO] [stdout] 8219a421f6e78664fe748e396fb15bc40baca32fd4c38523a2444e0e4f3a42a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f73093b94bd1c93db559bdd3d8bad22309ed2b2ae0b48741a483efda97889f8
[INFO] running `Command { std: "docker" "start" "-a" "3f73093b94bd1c93db559bdd3d8bad22309ed2b2ae0b48741a483efda97889f8", kill_on_drop: false }`
[INFO] [stderr]     Checking company_directory v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `is_empty` found for unit type `()` in the current scope
[INFO] [stdout]   --> src/main.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 |     if department_keys.is_empty() {
[INFO] [stdout]    |                        ^^^^^^^^ method not found in `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_empty` found for unit type `()` in the current scope
[INFO] [stdout]   --> src/main.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 |     if department_keys.is_empty() {
[INFO] [stdout]    |                        ^^^^^^^^ method not found in `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `iter` found for unit type `()` in the current scope
[INFO] [stdout]   --> src/main.rs:96:41
[INFO] [stdout]    |
[INFO] [stdout] 96 |         for(i, name) in department_keys.iter().enumerate() {
[INFO] [stdout]    |                                         ^^^^ method not found in `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `iter` found for unit type `()` in the current scope
[INFO] [stdout]   --> src/main.rs:96:41
[INFO] [stdout]    |
[INFO] [stdout] 96 |         for(i, name) in department_keys.iter().enumerate() {
[INFO] [stdout]    |                                         ^^^^ method not found in `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `()`
[INFO] [stdout]    --> src/main.rs:108:25
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let selected_dept = department_keys[index].to_string();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: to access tuple elements, use tuple indexing syntax (e.g., `tuple.0`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `()`
[INFO] [stdout]    --> src/main.rs:108:25
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let selected_dept = department_keys[index].to_string();
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: to access tuple elements, use tuple indexing syntax (e.g., `tuple.0`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0608.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0608.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `company_directory` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3f73093b94bd1c93db559bdd3d8bad22309ed2b2ae0b48741a483efda97889f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f73093b94bd1c93db559bdd3d8bad22309ed2b2ae0b48741a483efda97889f8", kill_on_drop: false }`
[INFO] [stdout] 3f73093b94bd1c93db559bdd3d8bad22309ed2b2ae0b48741a483efda97889f8