[INFO] fetching crate opentalk-types-common-identifiers 0.33.0...
[INFO] checking opentalk-types-common-identifiers-0.33.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate opentalk-types-common-identifiers 0.33.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate opentalk-types-common-identifiers 0.33.0
[INFO] finished tweaking crates.io crate opentalk-types-common-identifiers 0.33.0
[INFO] tweaked toml for crates.io crate opentalk-types-common-identifiers 0.33.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate opentalk-types-common-identifiers 0.33.0 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 opentalk-types-common-identifiers 0.33.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 76e9150b2fc80f681538e49d97c33f00f4f180f5dba33dbdd61bae87c74843af
[INFO] running `Command { std: "docker" "start" "-a" "76e9150b2fc80f681538e49d97c33f00f4f180f5dba33dbdd61bae87c74843af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76e9150b2fc80f681538e49d97c33f00f4f180f5dba33dbdd61bae87c74843af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e9150b2fc80f681538e49d97c33f00f4f180f5dba33dbdd61bae87c74843af", kill_on_drop: false }`
[INFO] [stdout] 76e9150b2fc80f681538e49d97c33f00f4f180f5dba33dbdd61bae87c74843af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 34bd326f727877fe1a33aff4af438c53cd693eae9659c2627deae376cc0ef5da
[INFO] running `Command { std: "docker" "start" "-a" "34bd326f727877fe1a33aff4af438c53cd693eae9659c2627deae376cc0ef5da", kill_on_drop: false }`
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking snafu v0.8.6
[INFO] [stderr]     Checking opentalk-types-common-identifiers v0.33.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Identifier, Infallible>
[INFO] [stdout]   --> src/identifier.rs:40:53
[INFO] [stdout]    |
[INFO] [stdout] 40 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 41 | |         Ok(s.to_string().into())
[INFO] [stdout] 42 | |     }
[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<Identifier, Infallible>
[INFO] [stdout]   --> src/identifier.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Ok(s.to_string().into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `opentalk-types-common-identifiers` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Identifier, Infallible>
[INFO] [stdout]   --> src/identifier.rs:40:53
[INFO] [stdout]    |
[INFO] [stdout] 40 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 41 | |         Ok(s.to_string().into())
[INFO] [stdout] 42 | |     }
[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<Identifier, Infallible>
[INFO] [stdout]   --> src/identifier.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Ok(s.to_string().into())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Identifier, Infallible>
[INFO] [stdout]    --> src/identifier.rs:112:34
[INFO] [stdout]     |
[INFO] [stdout] 112 |           let parsed: Identifier = "hello"
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 113 | |             .parse()
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `opentalk-types-common-identifiers` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "34bd326f727877fe1a33aff4af438c53cd693eae9659c2627deae376cc0ef5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bd326f727877fe1a33aff4af438c53cd693eae9659c2627deae376cc0ef5da", kill_on_drop: false }`
[INFO] [stdout] 34bd326f727877fe1a33aff4af438c53cd693eae9659c2627deae376cc0ef5da