[INFO] fetching crate oneline_str_enum 0.1.2...
[INFO] checking oneline_str_enum-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate oneline_str_enum 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate oneline_str_enum 0.1.2
[INFO] finished tweaking crates.io crate oneline_str_enum 0.1.2
[INFO] tweaked toml for crates.io crate oneline_str_enum 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oneline_str_enum 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d6364ff35d8fb04415c71aa48dd9d3a30668d265a377b0d60bff627f1f01dace
[INFO] running `Command { std: "docker" "start" "-a" "d6364ff35d8fb04415c71aa48dd9d3a30668d265a377b0d60bff627f1f01dace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6364ff35d8fb04415c71aa48dd9d3a30668d265a377b0d60bff627f1f01dace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6364ff35d8fb04415c71aa48dd9d3a30668d265a377b0d60bff627f1f01dace", kill_on_drop: false }`
[INFO] [stdout] d6364ff35d8fb04415c71aa48dd9d3a30668d265a377b0d60bff627f1f01dace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 62149023144db0996ad11b59197915497e084cbc0d77138699ad122450dad280
[INFO] running `Command { std: "docker" "start" "-a" "62149023144db0996ad11b59197915497e084cbc0d77138699ad122450dad280", kill_on_drop: false }`
[INFO] [stderr]     Checking simple_string_lexer v0.1.0
[INFO] [stderr]     Checking oneline_str_enum v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 |                                 $param = $type::from_str(next).map_err(|_| $crate::Error::InvalidArgument)?;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     parseable_enum!([doc = "Test doc.", derive(Debug, PartialEq)] Test, Item1(a:i64) Item2 Item3(b:String) Item4(c:u32, d: String, e:f32));
[INFO] [stdout]    |     -------------------------------------------------------------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `parseable_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oneline_str_enum` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "62149023144db0996ad11b59197915497e084cbc0d77138699ad122450dad280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62149023144db0996ad11b59197915497e084cbc0d77138699ad122450dad280", kill_on_drop: false }`
[INFO] [stdout] 62149023144db0996ad11b59197915497e084cbc0d77138699ad122450dad280