[INFO] fetching crate certain-map 0.3.1...
[INFO] checking certain-map-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate certain-map 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate certain-map 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate certain-map 0.3.1
[INFO] tweaked toml for crates.io crate certain-map 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate certain-map 0.3.1 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 certain-map 0.3.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8cc3a0841e1f42d9a7b3397ea578f1b1ffab5355c88c21b4a15132539a20157f
[INFO] running `Command { std: "docker" "start" "-a" "8cc3a0841e1f42d9a7b3397ea578f1b1ffab5355c88c21b4a15132539a20157f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cc3a0841e1f42d9a7b3397ea578f1b1ffab5355c88c21b4a15132539a20157f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc3a0841e1f42d9a7b3397ea578f1b1ffab5355c88c21b4a15132539a20157f", kill_on_drop: false }`
[INFO] [stdout] 8cc3a0841e1f42d9a7b3397ea578f1b1ffab5355c88c21b4a15132539a20157f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d6b062bb712800ae1f4033f72b7f972e5414c81ff3953c8cf6c7aaa688e5b627
[INFO] running `Command { std: "docker" "start" "-a" "d6b062bb712800ae1f4033f72b7f972e5414c81ff3953c8cf6c7aaa688e5b627", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking param v0.1.2
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling certain-map-macros v0.3.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking certain-map v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> examples/demo_prefilled_service.rs:86:86
[INFO] [stdout]    |
[INFO] [stdout] 86 |       async fn call(&self, (num, cx): (u8, CX)) -> Result<Self::Response, Self::Error> {
[INFO] [stdout]    |  ______________________________________________________________________________________^
[INFO] [stdout] 87 | |         println!(
[INFO] [stdout] 88 | |             "num before add: {}",
[INFO] [stdout] 89 | |             ParamRef::<RawBeforeAdd>::param_ref(&cx).0
[INFO] [stdout] ...  |
[INFO] [stdout] 96 | |         Ok(num)
[INFO] [stdout] 97 | |     }
[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<u8, Infallible>
[INFO] [stdout]   --> examples/demo_prefilled_service.rs:86:86
[INFO] [stdout]    |
[INFO] [stdout] 86 |       async fn call(&self, (num, cx): (u8, CX)) -> Result<Self::Response, Self::Error> {
[INFO] [stdout]    |  ______________________________________________________________________________________^
[INFO] [stdout] 87 | |         println!(
[INFO] [stdout] 88 | |             "num before add: {}",
[INFO] [stdout] 89 | |             ParamRef::<RawBeforeAdd>::param_ref(&cx).0
[INFO] [stdout] ...  |
[INFO] [stdout] 96 | |         Ok(num)
[INFO] [stdout] 97 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> examples/demo_prefilled_service.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         Ok(num)
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> examples/demo_prefilled_service.rs:133:16
[INFO] [stdout]     |
[INFO] [stdout] 133 |     assert_eq!(svc.call((2, store.handler())).await.unwrap(), 6);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> examples/demo_prefilled_service.rs:133:47
[INFO] [stdout]     |
[INFO] [stdout] 133 |     assert_eq!(svc.call((2, store.handler())).await.unwrap(), 6);
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> examples/demo_prefilled_service.rs:133:16
[INFO] [stdout]     |
[INFO] [stdout] 133 |     assert_eq!(svc.call((2, store.handler())).await.unwrap(), 6);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> examples/demo_prefilled_service.rs:137:16
[INFO] [stdout]     |
[INFO] [stdout] 137 |     assert_eq!(svc.call(2).await.unwrap(), 6);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> examples/demo_prefilled_service.rs:137:28
[INFO] [stdout]     |
[INFO] [stdout] 137 |     assert_eq!(svc.call(2).await.unwrap(), 6);
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> examples/demo_prefilled_service.rs:137:16
[INFO] [stdout]     |
[INFO] [stdout] 137 |     assert_eq!(svc.call(2).await.unwrap(), 6);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `certain-map` (example "demo_prefilled_service") due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "d6b062bb712800ae1f4033f72b7f972e5414c81ff3953c8cf6c7aaa688e5b627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b062bb712800ae1f4033f72b7f972e5414c81ff3953c8cf6c7aaa688e5b627", kill_on_drop: false }`
[INFO] [stdout] d6b062bb712800ae1f4033f72b7f972e5414c81ff3953c8cf6c7aaa688e5b627