[INFO] cloning repository https://github.com/kquirapas/rust-postgres-persistence
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kquirapas/rust-postgres-persistence" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkquirapas%2Frust-postgres-persistence", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62b4820a9e13ab328df30d61cffbdf859b55d2e0
[INFO] checking kquirapas/rust-postgres-persistence against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155500
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkquirapas%2Frust-postgres-persistence" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kquirapas/rust-postgres-persistence
[INFO] finished tweaking git repo https://github.com/kquirapas/rust-postgres-persistence
[INFO] tweaked toml for git repo https://github.com/kquirapas/rust-postgres-persistence written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kquirapas/rust-postgres-persistence on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kquirapas/rust-postgres-persistence 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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32edbb866d180b9c5016b9e626c044e61ce8118f571e41a819cb3cfd1430fcfe
[INFO] running `Command { std: "docker" "start" "-a" "32edbb866d180b9c5016b9e626c044e61ce8118f571e41a819cb3cfd1430fcfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32edbb866d180b9c5016b9e626c044e61ce8118f571e41a819cb3cfd1430fcfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32edbb866d180b9c5016b9e626c044e61ce8118f571e41a819cb3cfd1430fcfe", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "7cc813652a2ae34da4dd092337f35370b8e4dcfc1edc569129e9a1d507c0ed9d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling sqlformat v0.2.3
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[INFO] [stderr]    Compiling sqlx-macros v0.7.4
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[INFO] [stdout] warning: unused variable: `isbn`
[INFO] [stdout]   --> src/main.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 | async fn update_book(book: &Book, isbn: &str, pool: &sqlx::PgPool) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_isbn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_book` is never used
[INFO] [stdout]   --> src/main.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | async fn create_book(book: &Book, pool: &sqlx::PgPool) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `isbn`
[INFO] [stdout]   --> src/main.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 | async fn update_book(book: &Book, isbn: &str, pool: &sqlx::PgPool) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_isbn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_book` is never used
[INFO] [stdout]   --> src/main.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | async fn create_book(book: &Book, pool: &sqlx::PgPool) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: sqlx-postgres v0.7.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "7cc813652a2ae34da4dd092337f35370b8e4dcfc1edc569129e9a1d507c0ed9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc813652a2ae34da4dd092337f35370b8e4dcfc1edc569129e9a1d507c0ed9d", kill_on_drop: false }`
[INFO] [stdout] 7cc813652a2ae34da4dd092337f35370b8e4dcfc1edc569129e9a1d507c0ed9d