[INFO] fetching crate raffle 0.0.1...
[INFO] checking raffle-0.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate raffle 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate raffle 0.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate raffle 0.0.1
[INFO] tweaked toml for crates.io crate raffle 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate raffle 0.0.1 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 raffle 0.0.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 24256f2a785be4d19228de9618311adc91be207e02f28997b1d13da77071ac79
[INFO] running `Command { std: "docker" "start" "-a" "24256f2a785be4d19228de9618311adc91be207e02f28997b1d13da77071ac79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24256f2a785be4d19228de9618311adc91be207e02f28997b1d13da77071ac79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24256f2a785be4d19228de9618311adc91be207e02f28997b1d13da77071ac79", kill_on_drop: false }`
[INFO] [stdout] 24256f2a785be4d19228de9618311adc91be207e02f28997b1d13da77071ac79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cb4ccd0a8965f2f8c33617431da3dd98b6a1901b8d0909d125ef21c141e4003e
[INFO] running `Command { std: "docker" "start" "-a" "cb4ccd0a8965f2f8c33617431da3dd98b6a1901b8d0909d125ef21c141e4003e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking raffle v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stdout] error: this type will no longer be must used: Result<VouchingParameters, Never>
[INFO] [stdout]   --> examples/generate_raffle_parameters.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         VouchingParameters::generate(|| Ok::<u64, Never>(rng.gen())).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 `raffle` (example "generate_raffle_parameters") due to 5 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Never>
[INFO] [stdout]   --> examples/generate_raffle_parameters.rs:14:41
[INFO] [stdout]    |
[INFO] [stdout] 14 |         VouchingParameters::generate(|| Ok::<u64, Never>(rng.gen())).unwrap()
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Never>
[INFO] [stdout]   --> examples/generate_raffle_parameters.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |           let generator = || {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 26 | |             let mut buf = [0u8; 8];
[INFO] [stdout] 27 | |             reader.fill(&mut buf);
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |         };
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Never>
[INFO] [stdout]   --> examples/generate_raffle_parameters.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |             Ok::<u64, Never>(u64::from_le_bytes(buf))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<VouchingParameters, Never>
[INFO] [stdout]   --> examples/generate_raffle_parameters.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         VouchingParameters::generate(generator).unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb4ccd0a8965f2f8c33617431da3dd98b6a1901b8d0909d125ef21c141e4003e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4ccd0a8965f2f8c33617431da3dd98b6a1901b8d0909d125ef21c141e4003e", kill_on_drop: false }`
[INFO] [stdout] cb4ccd0a8965f2f8c33617431da3dd98b6a1901b8d0909d125ef21c141e4003e
