[INFO] fetching crate dynamodb-book-ch20-bigtimedeals 0.3.0...
[INFO] checking dynamodb-book-ch20-bigtimedeals-0.3.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate dynamodb-book-ch20-bigtimedeals 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate dynamodb-book-ch20-bigtimedeals 0.3.0
[INFO] finished tweaking crates.io crate dynamodb-book-ch20-bigtimedeals 0.3.0
[INFO] tweaked toml for crates.io crate dynamodb-book-ch20-bigtimedeals 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dynamodb-book-ch20-bigtimedeals 0.3.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 245 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding svix-ksuid v0.7.0 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ff9a22b1ca3e7e2c4673cb2868abafb5ef2ac8bb2af00aa6caccdca9eb281f9
[INFO] running `Command { std: "docker" "start" "-a" "6ff9a22b1ca3e7e2c4673cb2868abafb5ef2ac8bb2af00aa6caccdca9eb281f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ff9a22b1ca3e7e2c4673cb2868abafb5ef2ac8bb2af00aa6caccdca9eb281f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff9a22b1ca3e7e2c4673cb2868abafb5ef2ac8bb2af00aa6caccdca9eb281f9", kill_on_drop: false }`
[INFO] [stdout] 6ff9a22b1ca3e7e2c4673cb2868abafb5ef2ac8bb2af00aa6caccdca9eb281f9
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6a866c9a97681c3e91557eff0705c8ac219f220b04b0292341d26373caa6888
[INFO] running `Command { std: "docker" "start" "-a" "c6a866c9a97681c3e91557eff0705c8ac219f220b04b0292341d26373caa6888", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `UserIndexScan` is never constructed
[INFO] [stdout]    --> src/lib.rs:582:8
[INFO] [stdout]     |
[INFO] [stdout] 582 | struct UserIndexScan;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BrandName, Infallible>
[INFO] [stdout]    --> src/lib.rs:592:1
[INFO] [stdout]     |
[INFO] [stdout] 592 | #[braid(serde)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the attribute macro `braid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<CategoryName, Infallible>
[INFO] [stdout]    --> src/lib.rs:595:1
[INFO] [stdout]     |
[INFO] [stdout] 595 | #[braid(serde)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `braid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<UserName, Infallible>
[INFO] [stdout]    --> src/lib.rs:598:1
[INFO] [stdout]     |
[INFO] [stdout] 598 | #[braid(serde)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `braid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynamodb-book-ch20-bigtimedeals` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `UserIndexScan` is never constructed
[INFO] [stdout]    --> src/lib.rs:582:8
[INFO] [stdout]     |
[INFO] [stdout] 582 | struct UserIndexScan;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BrandName, Infallible>
[INFO] [stdout]    --> src/lib.rs:592:1
[INFO] [stdout]     |
[INFO] [stdout] 592 | #[braid(serde)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the attribute macro `braid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<CategoryName, Infallible>
[INFO] [stdout]    --> src/lib.rs:595:1
[INFO] [stdout]     |
[INFO] [stdout] 595 | #[braid(serde)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `braid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<UserName, Infallible>
[INFO] [stdout]    --> src/lib.rs:598:1
[INFO] [stdout]     |
[INFO] [stdout] 598 | #[braid(serde)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `braid` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynamodb-book-ch20-bigtimedeals` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c6a866c9a97681c3e91557eff0705c8ac219f220b04b0292341d26373caa6888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a866c9a97681c3e91557eff0705c8ac219f220b04b0292341d26373caa6888", kill_on_drop: false }`
[INFO] [stdout] c6a866c9a97681c3e91557eff0705c8ac219f220b04b0292341d26373caa6888
