[INFO] fetching crate nucleus 0.1.1...
[INFO] checking nucleus-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate nucleus 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nucleus 0.1.1
[INFO] finished tweaking crates.io crate nucleus 0.1.1
[INFO] tweaked toml for crates.io crate nucleus 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nucleus 0.1.1 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 crates.io crate nucleus 0.1.1 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] 38ffc9ae5dc6e047e0ba672747ddbcc59d6635691203fe41cb96563887d510f7
[INFO] running `Command { std: "docker" "start" "-a" "38ffc9ae5dc6e047e0ba672747ddbcc59d6635691203fe41cb96563887d510f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38ffc9ae5dc6e047e0ba672747ddbcc59d6635691203fe41cb96563887d510f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ffc9ae5dc6e047e0ba672747ddbcc59d6635691203fe41cb96563887d510f7", kill_on_drop: false }`
[INFO] [stdout] 38ffc9ae5dc6e047e0ba672747ddbcc59d6635691203fe41cb96563887d510f7
[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] a56a00ea4971e819995a1b07c0afd2d9938025cd48d28cce2e30a2d11f7be39d
[INFO] running `Command { std: "docker" "start" "-a" "a56a00ea4971e819995a1b07c0afd2d9938025cd48d28cce2e30a2d11f7be39d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking console v0.11.2
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking nucleus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:112:2
[INFO] [stdout]     |
[INFO] [stdout] 112 | /     /// Datapack name
[INFO] [stdout] 113 | |     #[structopt(short = "d", long = "name")]
[INFO] [stdout] 114 | |     datapack_name: Option<String>,
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:112:2
[INFO] [stdout]     |
[INFO] [stdout] 112 | /     /// Datapack name
[INFO] [stdout] 113 | |     #[structopt(short = "d", long = "name")]
[INFO] [stdout] 114 | |     datapack_name: Option<String>,
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:116:2
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     /// Datapack description
[INFO] [stdout] 117 | |     #[structopt(short = "D", long = "desc")]
[INFO] [stdout] 118 | |     description: Option<String>,
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 | /     /// Player name
[INFO] [stdout] 121 | |     #[structopt(short = "p", long = "player")]
[INFO] [stdout] 122 | |     player_name: Option<String>,
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:124:2
[INFO] [stdout]     |
[INFO] [stdout] 124 | /     /// Item use inside advancement to display datapack
[INFO] [stdout] 125 | |     #[structopt(short = "i", long = "item")]
[INFO] [stdout] 126 | |     display_item: Option<String>,
[INFO] [stdout]     | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nucleus` (bin "nucleus") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:116:2
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     /// Datapack description
[INFO] [stdout] 117 | |     #[structopt(short = "D", long = "desc")]
[INFO] [stdout] 118 | |     description: Option<String>,
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 | /     /// Player name
[INFO] [stdout] 121 | |     #[structopt(short = "p", long = "player")]
[INFO] [stdout] 122 | |     player_name: Option<String>,
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/main.rs:124:2
[INFO] [stdout]     |
[INFO] [stdout] 124 | /     /// Item use inside advancement to display datapack
[INFO] [stdout] 125 | |     #[structopt(short = "i", long = "item")]
[INFO] [stdout] 126 | |     display_item: Option<String>,
[INFO] [stdout]     | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nucleus` (bin "nucleus" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "a56a00ea4971e819995a1b07c0afd2d9938025cd48d28cce2e30a2d11f7be39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56a00ea4971e819995a1b07c0afd2d9938025cd48d28cce2e30a2d11f7be39d", kill_on_drop: false }`
[INFO] [stdout] a56a00ea4971e819995a1b07c0afd2d9938025cd48d28cce2e30a2d11f7be39d
