[INFO] cloning repository https://github.com/danielwpz/nft-mystery-box
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielwpz/nft-mystery-box" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielwpz%2Fnft-mystery-box", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielwpz%2Fnft-mystery-box'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e878fc25d8770b6cd5b3eacc32a1cc94c292a9c3
[INFO] checking danielwpz/nft-mystery-box against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielwpz%2Fnft-mystery-box" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/danielwpz/nft-mystery-box
[INFO] finished tweaking git repo https://github.com/danielwpz/nft-mystery-box
[INFO] tweaked toml for git repo https://github.com/danielwpz/nft-mystery-box written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/danielwpz/nft-mystery-box 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] crate git repo https://github.com/danielwpz/nft-mystery-box 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6e16e3a1192065d8f975d15c983096931733b9846042a16ef20b531eb13d6d1d
[INFO] running `Command { std: "docker" "start" "-a" "6e16e3a1192065d8f975d15c983096931733b9846042a16ef20b531eb13d6d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e16e3a1192065d8f975d15c983096931733b9846042a16ef20b531eb13d6d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e16e3a1192065d8f975d15c983096931733b9846042a16ef20b531eb13d6d1d", kill_on_drop: false }`
[INFO] [stdout] 6e16e3a1192065d8f975d15c983096931733b9846042a16ef20b531eb13d6d1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 712f64ae7a9712f568318639527d6dc95d4b5cbe01700e6881b4287ba180d9a1
[INFO] running `Command { std: "docker" "start" "-a" "712f64ae7a9712f568318639527d6dc95d4b5cbe01700e6881b4287ba180d9a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
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[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]     Checking tap v1.0.1
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[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking byte-slice-cast v1.2.0
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[INFO] [stderr]     Checking nft-mystery-box v0.1.0 (/opt/rustwide/workdir/contract)
[INFO] [stdout] warning: trait `NFTPayouts` is never used
[INFO] [stdout]    --> contract/src/royalty.rs:130:11
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub trait NFTPayouts {
[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<u64, Infallible>
[INFO] [stdout]   --> contract/src/util.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let r: u64 = u64::from_le_bytes(arr).try_into().unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `NFTPayouts` is never used
[INFO] [stdout]    --> contract/src/royalty.rs:130:11
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub trait NFTPayouts {
[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<u64, Infallible>
[INFO] [stdout]   --> contract/src/util.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let r: u64 = u64::from_le_bytes(arr).try_into().unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nft-mystery-box` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `nft-mystery-box` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "712f64ae7a9712f568318639527d6dc95d4b5cbe01700e6881b4287ba180d9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712f64ae7a9712f568318639527d6dc95d4b5cbe01700e6881b4287ba180d9a1", kill_on_drop: false }`
[INFO] [stdout] 712f64ae7a9712f568318639527d6dc95d4b5cbe01700e6881b4287ba180d9a1
