[INFO] cloning repository https://github.com/mikemiller35/my_order_book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikemiller35/my_order_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikemiller35%2Fmy_order_book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikemiller35%2Fmy_order_book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd25f05b9786ac21b984d2fd5bd4fcb81dddfbb8
[INFO] testing mikemiller35/my_order_book against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikemiller35%2Fmy_order_book" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mikemiller35/my_order_book
[INFO] finished tweaking git repo https://github.com/mikemiller35/my_order_book
[INFO] tweaked toml for git repo https://github.com/mikemiller35/my_order_book written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mikemiller35/my_order_book on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mikemiller35/my_order_book 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" "+beta-2025-10-28" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b91a70f3a2949f58aade87bc8082f8ed57625a8129bf50897ba44ba2f68947a1
[INFO] running `Command { std: "docker" "start" "-a" "b91a70f3a2949f58aade87bc8082f8ed57625a8129bf50897ba44ba2f68947a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b91a70f3a2949f58aade87bc8082f8ed57625a8129bf50897ba44ba2f68947a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91a70f3a2949f58aade87bc8082f8ed57625a8129bf50897ba44ba2f68947a1", kill_on_drop: false }`
[INFO] [stdout] b91a70f3a2949f58aade87bc8082f8ed57625a8129bf50897ba44ba2f68947a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a9ca694747b761ddc63d3e9bed124e82722483af623d7324401013e86f3a3d9
[INFO] running `Command { std: "docker" "start" "-a" "9a9ca694747b761ddc63d3e9bed124e82722483af623d7324401013e86f3a3d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_order_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> src/main.rs:12:67
[INFO] [stdout]    |
[INFO] [stdout] 12 |              if result1.trades.is_empty() { "No trades" } else { &format!("{} trades", result1.trades.len()) });
[INFO] [stdout]    |                                                                  -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                                                                  ||                                        |
[INFO] [stdout]    |                                                                  ||                                        temporary value is freed at the end of this statement
[INFO] [stdout]    |                                                                  |creates a temporary value which is freed while still in use
[INFO] [stdout]    |                                                                  borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout]    = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> src/main.rs:14:67
[INFO] [stdout]    |
[INFO] [stdout] 14 |              if result2.trades.is_empty() { "No trades" } else { &format!("{} trades", result2.trades.len()) });
[INFO] [stdout]    |                                                                  -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                                                                  ||                                        |
[INFO] [stdout]    |                                                                  ||                                        temporary value is freed at the end of this statement
[INFO] [stdout]    |                                                                  |creates a temporary value which is freed while still in use
[INFO] [stdout]    |                                                                  borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout]    = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> src/main.rs:21:67
[INFO] [stdout]    |
[INFO] [stdout] 21 |              if result3.trades.is_empty() { "No trades" } else { &format!("{} trades", result3.trades.len()) });
[INFO] [stdout]    |                                                                  -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                                                                  ||                                        |
[INFO] [stdout]    |                                                                  ||                                        temporary value is freed at the end of this statement
[INFO] [stdout]    |                                                                  |creates a temporary value which is freed while still in use
[INFO] [stdout]    |                                                                  borrow later used here
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout]    = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my_order_book` (bin "my_order_book") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "9a9ca694747b761ddc63d3e9bed124e82722483af623d7324401013e86f3a3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9ca694747b761ddc63d3e9bed124e82722483af623d7324401013e86f3a3d9", kill_on_drop: false }`
[INFO] [stdout] 9a9ca694747b761ddc63d3e9bed124e82722483af623d7324401013e86f3a3d9
