[INFO] cloning repository https://github.com/akimbonukem/library_system_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akimbonukem/library_system_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakimbonukem%2Flibrary_system_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakimbonukem%2Flibrary_system_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] addec7232912777a796b176c35c6ca3667455e2a
[INFO] testing akimbonukem/library_system_rust against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakimbonukem%2Flibrary_system_rust" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akimbonukem/library_system_rust on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akimbonukem/library_system_rust
[INFO] finished tweaking git repo https://github.com/akimbonukem/library_system_rust
[INFO] tweaked toml for git repo https://github.com/akimbonukem/library_system_rust written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/akimbonukem/library_system_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c02246620feb59f3f36cf92779974530a39702916412be598ed206c0ecb6095
[INFO] running `Command { std: "docker" "start" "-a" "3c02246620feb59f3f36cf92779974530a39702916412be598ed206c0ecb6095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c02246620feb59f3f36cf92779974530a39702916412be598ed206c0ecb6095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c02246620feb59f3f36cf92779974530a39702916412be598ed206c0ecb6095", kill_on_drop: false }`
[INFO] [stdout] 3c02246620feb59f3f36cf92779974530a39702916412be598ed206c0ecb6095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fdb0988f497621e9c3efe9ddc790709d71ad39fa2330035ff26fd7d31963708
[INFO] running `Command { std: "docker" "start" "-a" "2fdb0988f497621e9c3efe9ddc790709d71ad39fa2330035ff26fd7d31963708", kill_on_drop: false }`
[INFO] [stderr]    Compiling library-system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:82:20
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 if all_books.get(input_id_int) {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `bool`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type `bool`
[INFO] [stdout]               found enum `Option<&Book>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `library-system`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2fdb0988f497621e9c3efe9ddc790709d71ad39fa2330035ff26fd7d31963708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fdb0988f497621e9c3efe9ddc790709d71ad39fa2330035ff26fd7d31963708", kill_on_drop: false }`
[INFO] [stdout] 2fdb0988f497621e9c3efe9ddc790709d71ad39fa2330035ff26fd7d31963708
