[INFO] fetching crate oml-storage 0.5.6-alpha...
[INFO] checking oml-storage-0.5.6-alpha against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate oml-storage 0.5.6-alpha into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate oml-storage 0.5.6-alpha
[INFO] finished tweaking crates.io crate oml-storage 0.5.6-alpha
[INFO] tweaked toml for crates.io crate oml-storage 0.5.6-alpha written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oml-storage 0.5.6-alpha 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 oml-storage 0.5.6-alpha 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] ae05aacfba6d7308d0c1b45215fa0f1dd7210bc2dd544e1931e365488bafede6
[INFO] running `Command { std: "docker" "start" "-a" "ae05aacfba6d7308d0c1b45215fa0f1dd7210bc2dd544e1931e365488bafede6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae05aacfba6d7308d0c1b45215fa0f1dd7210bc2dd544e1931e365488bafede6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae05aacfba6d7308d0c1b45215fa0f1dd7210bc2dd544e1931e365488bafede6", kill_on_drop: false }`
[INFO] [stdout] ae05aacfba6d7308d0c1b45215fa0f1dd7210bc2dd544e1931e365488bafede6
[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] f73c2b22d59d5123ddd98e8c50192271d6f627d96561da94bd1bf3f04cf9aa77
[INFO] running `Command { std: "docker" "start" "-a" "f73c2b22d59d5123ddd98e8c50192271d6f627d96561da94bd1bf3f04cf9aa77", kill_on_drop: false }`
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[INFO] [stderr]     Checking aws-config v1.5.16
[INFO] [stderr]     Checking oml-storage v0.5.6-alpha (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]    --> src/storage_disk.rs:435:22
[INFO] [stdout]     |
[INFO] [stdout] 435 |             let id = id.parse::<Self::ID>()?;
[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<std::string::String, Infallible>
[INFO] [stdout]    --> src/storage_disk.rs:435:22
[INFO] [stdout]     |
[INFO] [stdout] 435 |             let id = id.parse::<Self::ID>()?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]    --> src/storage_dynamodb.rs:604:22
[INFO] [stdout]     |
[INFO] [stdout] 604 |             let id = id.parse::<Self::ID>()?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/storage_dynamodb.rs:604:22
[INFO] [stdout]     |
[INFO] [stdout] 604 |             let id = id.parse::<Self::ID>()?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, std::string::String>
[INFO] [stdout]    --> src/storage_null.rs:196:22
[INFO] [stdout]     |
[INFO] [stdout] 196 |             let id = id.parse::<Self::ID>()?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/storage_null.rs:196:22
[INFO] [stdout]     |
[INFO] [stdout] 196 |             let id = id.parse::<Self::ID>()?;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oml-storage` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "f73c2b22d59d5123ddd98e8c50192271d6f627d96561da94bd1bf3f04cf9aa77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f73c2b22d59d5123ddd98e8c50192271d6f627d96561da94bd1bf3f04cf9aa77", kill_on_drop: false }`
[INFO] [stdout] f73c2b22d59d5123ddd98e8c50192271d6f627d96561da94bd1bf3f04cf9aa77
