[INFO] cloning repository https://github.com/kevinzg/librari
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinzg/librari" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinzg%2Flibrari", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinzg%2Flibrari'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18acc01dff9a006df5bc2c383e8c555c247c75cd
[INFO] checking kevinzg/librari against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinzg%2Flibrari" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kevinzg/librari
[INFO] finished tweaking git repo https://github.com/kevinzg/librari
[INFO] tweaked toml for git repo https://github.com/kevinzg/librari written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kevinzg/librari on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kevinzg/librari 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "aeec58b2e411493e68d0f42fdb0ba93f0fbf4cfb9bb2b1810e95029f78741a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeec58b2e411493e68d0f42fdb0ba93f0fbf4cfb9bb2b1810e95029f78741a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeec58b2e411493e68d0f42fdb0ba93f0fbf4cfb9bb2b1810e95029f78741a79", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf5aac1977bbcbf5c8c91da631531462e3fa3f1ccecd5c03d1408b26acf8ec28
[INFO] running `Command { std: "docker" "start" "-a" "bf5aac1977bbcbf5c8c91da631531462e3fa3f1ccecd5c03d1408b26acf8ec28", kill_on_drop: false }`
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[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/library.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub struct Book {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 207 |     pub id: u64,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/library.rs:240:15
[INFO] [stdout]     |
[INFO] [stdout] 240 |     InvalidId(String),
[INFO] [stdout]     |     --------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 240 -     InvalidId(String),
[INFO] [stdout] 240 +     InvalidId(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/library.rs:241:8
[INFO] [stdout]     |
[INFO] [stdout] 241 |     Io(std::io::Error),
[INFO] [stdout]     |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 241 -     Io(std::io::Error),
[INFO] [stdout] 241 +     Io(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/library.rs:242:10
[INFO] [stdout]     |
[INFO] [stdout] 242 |     Epub(epub::doc::DocError),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 242 -     Epub(epub::doc::DocError),
[INFO] [stdout] 242 +     Epub(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/library.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     Sqlite(rusqlite::Error),
[INFO] [stdout]     |     ------ ^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 243 -     Sqlite(rusqlite::Error),
[INFO] [stdout] 243 +     Sqlite(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/library.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub struct Book {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 207 |     pub id: u64,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/library.rs:240:15
[INFO] [stdout]     |
[INFO] [stdout] 240 |     InvalidId(String),
[INFO] [stdout]     |     --------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 240 -     InvalidId(String),
[INFO] [stdout] 240 +     InvalidId(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/library.rs:241:8
[INFO] [stdout]     |
[INFO] [stdout] 241 |     Io(std::io::Error),
[INFO] [stdout]     |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 241 -     Io(std::io::Error),
[INFO] [stdout] 241 +     Io(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/library.rs:242:10
[INFO] [stdout]     |
[INFO] [stdout] 242 |     Epub(epub::doc::DocError),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 242 -     Epub(epub::doc::DocError),
[INFO] [stdout] 242 +     Epub(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/library.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     Sqlite(rusqlite::Error),
[INFO] [stdout]     |     ------ ^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 243 -     Sqlite(rusqlite::Error),
[INFO] [stdout] 243 +     Sqlite(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.00s
[INFO] running `Command { std: "docker" "inspect" "bf5aac1977bbcbf5c8c91da631531462e3fa3f1ccecd5c03d1408b26acf8ec28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5aac1977bbcbf5c8c91da631531462e3fa3f1ccecd5c03d1408b26acf8ec28", kill_on_drop: false }`
[INFO] [stdout] bf5aac1977bbcbf5c8c91da631531462e3fa3f1ccecd5c03d1408b26acf8ec28
