[INFO] fetching crate book_lib 0.1.3...
[INFO] checking book_lib-0.1.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate book_lib 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate book_lib 0.1.3
[INFO] finished tweaking crates.io crate book_lib 0.1.3
[INFO] tweaked toml for crates.io crate book_lib 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate book_lib 0.1.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 190 packages to latest compatible versions
[INFO] [stderr]       Adding rusqlite v0.32.1 (available: v0.36.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50316af41c012c2058eb01380ad85235f308e01ebfac56d8eea2f875fabf336b
[INFO] running `Command { std: "docker" "start" "-a" "50316af41c012c2058eb01380ad85235f308e01ebfac56d8eea2f875fabf336b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50316af41c012c2058eb01380ad85235f308e01ebfac56d8eea2f875fabf336b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50316af41c012c2058eb01380ad85235f308e01ebfac56d8eea2f875fabf336b", kill_on_drop: false }`
[INFO] [stdout] 50316af41c012c2058eb01380ad85235f308e01ebfac56d8eea2f875fabf336b
[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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c54985e48d55a642be76df060a20b18bce58f707eb970c0f953d60a6ac52a8e
[INFO] running `Command { std: "docker" "start" "-a" "2c54985e48d55a642be76df060a20b18bce58f707eb970c0f953d60a6ac52a8e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling zeroize_derive v1.4.2
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[INFO] [stderr]     Checking book_lib v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/db.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         Err(e) => panic!("Couldn't run app because the db doesn't exist"),
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/db.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         Err(e) => panic!("Couldn't run app because the db doesn't exist"),
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.30s
[INFO] running `Command { std: "docker" "inspect" "2c54985e48d55a642be76df060a20b18bce58f707eb970c0f953d60a6ac52a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c54985e48d55a642be76df060a20b18bce58f707eb970c0f953d60a6ac52a8e", kill_on_drop: false }`
[INFO] [stdout] 2c54985e48d55a642be76df060a20b18bce58f707eb970c0f953d60a6ac52a8e