[INFO] cloning repository https://github.com/holsatus/grantable-io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/holsatus/grantable-io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholsatus%2Fgrantable-io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholsatus%2Fgrantable-io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc297f0d2f88660712546911223cfbea56d38dab
[INFO] checking holsatus/grantable-io 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%2Fholsatus%2Fgrantable-io" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/holsatus/grantable-io
[INFO] finished tweaking git repo https://github.com/holsatus/grantable-io
[INFO] tweaked toml for git repo https://github.com/holsatus/grantable-io written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/holsatus/grantable-io 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/holsatus/grantable-io 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5db6aeb01a5349aa9bf9c30503ae374ae8bbde5c22075e3d92a137a15961bb2b
[INFO] running `Command { std: "docker" "start" "-a" "5db6aeb01a5349aa9bf9c30503ae374ae8bbde5c22075e3d92a137a15961bb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5db6aeb01a5349aa9bf9c30503ae374ae8bbde5c22075e3d92a137a15961bb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db6aeb01a5349aa9bf9c30503ae374ae8bbde5c22075e3d92a137a15961bb2b", kill_on_drop: false }`
[INFO] [stdout] 5db6aeb01a5349aa9bf9c30503ae374ae8bbde5c22075e3d92a137a15961bb2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0b982a3e943c7a32c70ac791a5d924794df14e6638b012a027a99b4991efd62a
[INFO] running `Command { std: "docker" "start" "-a" "0b982a3e943c7a32c70ac791a5d924794df14e6638b012a027a99b4991efd62a", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking mutex-traits v1.0.1
[INFO] [stderr]     Checking mycelium-bitfield v0.1.5
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking cordyceps v0.3.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking maitake-sync v0.2.2
[INFO] [stderr]     Checking grantable-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/app/mod.rs:181:24
[INFO] [stdout]     |
[INFO] [stdout] 181 |             assert_eq!(soft.read(buf.as_mut()).await.unwrap(), 4);
[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<usize, Infallible>
[INFO] [stdout]    --> src/app/mod.rs:181:48
[INFO] [stdout]     |
[INFO] [stdout] 181 |             assert_eq!(soft.read(buf.as_mut()).await.unwrap(), 4);
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/app/mod.rs:181:24
[INFO] [stdout]     |
[INFO] [stdout] 181 |             assert_eq!(soft.read(buf.as_mut()).await.unwrap(), 4);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/app/mod.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 |             assert_eq!(soft.read(buf.as_mut()).await.unwrap(), 4);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/app/mod.rs:184:48
[INFO] [stdout]     |
[INFO] [stdout] 184 |             assert_eq!(soft.read(buf.as_mut()).await.unwrap(), 4);
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/app/mod.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 |             assert_eq!(soft.read(buf.as_mut()).await.unwrap(), 4);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/app/mod.rs:187:24
[INFO] [stdout]     |
[INFO] [stdout] 187 |             assert_eq!(soft.read(buf.as_mut()).await.unwrap(), 4);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/app/mod.rs:187:48
[INFO] [stdout]     |
[INFO] [stdout] 187 |             assert_eq!(soft.read(buf.as_mut()).await.unwrap(), 4);
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/app/mod.rs:187:24
[INFO] [stdout]     |
[INFO] [stdout] 187 |             assert_eq!(soft.read(buf.as_mut()).await.unwrap(), 4);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grantable-io` (lib test) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0b982a3e943c7a32c70ac791a5d924794df14e6638b012a027a99b4991efd62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b982a3e943c7a32c70ac791a5d924794df14e6638b012a027a99b4991efd62a", kill_on_drop: false }`
[INFO] [stdout] 0b982a3e943c7a32c70ac791a5d924794df14e6638b012a027a99b4991efd62a