[INFO] cloning repository https://github.com/erikdesjardins/silkgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erikdesjardins/silkgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikdesjardins%2Fsilkgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferikdesjardins%2Fsilkgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b1d759cdfe2d93e98393bbe95845fa4eb5b940f
[INFO] checking erikdesjardins/silkgen 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%2Ferikdesjardins%2Fsilkgen" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/erikdesjardins/silkgen
[INFO] finished tweaking git repo https://github.com/erikdesjardins/silkgen
[INFO] tweaked toml for git repo https://github.com/erikdesjardins/silkgen written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/erikdesjardins/silkgen 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/erikdesjardins/silkgen 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] f7439ebc4bc9174b116d3831e759ffc46f0bad41a5c7c3cbdffe1fb566466bcb
[INFO] running `Command { std: "docker" "start" "-a" "f7439ebc4bc9174b116d3831e759ffc46f0bad41a5c7c3cbdffe1fb566466bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7439ebc4bc9174b116d3831e759ffc46f0bad41a5c7c3cbdffe1fb566466bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7439ebc4bc9174b116d3831e759ffc46f0bad41a5c7c3cbdffe1fb566466bcb", kill_on_drop: false }`
[INFO] [stdout] f7439ebc4bc9174b116d3831e759ffc46f0bad41a5c7c3cbdffe1fb566466bcb
[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] e16be7fbfa9823bd911501b3b2f2c611f570ebe6a25943b44c555fe6992c53ea
[INFO] running `Command { std: "docker" "start" "-a" "e16be7fbfa9823bd911501b3b2f2c611f570ebe6a25943b44c555fe6992c53ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fixed v1.24.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling half v2.3.1
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking similar v2.3.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking insta v1.34.0
[INFO] [stderr]     Checking image v0.24.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]    Compiling fixed-macro-impl v1.2.0
[INFO] [stderr]     Checking fixed-macro-types v1.2.0
[INFO] [stderr]     Checking fixed-macro v1.2.0
[INFO] [stderr]     Checking silkgen v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]   --> src/generate.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |         ChaCha12Rng::from_seed(hasher.finalize().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 `silkgen` (bin "silkgen") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]   --> src/generate.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |         ChaCha12Rng::from_seed(hasher.finalize().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 `silkgen` (bin "silkgen" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e16be7fbfa9823bd911501b3b2f2c611f570ebe6a25943b44c555fe6992c53ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16be7fbfa9823bd911501b3b2f2c611f570ebe6a25943b44c555fe6992c53ea", kill_on_drop: false }`
[INFO] [stdout] e16be7fbfa9823bd911501b3b2f2c611f570ebe6a25943b44c555fe6992c53ea