[INFO] fetching crate fast_new_type 0.1.7...
[INFO] checking fast_new_type-0.1.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate fast_new_type 0.1.7 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate fast_new_type 0.1.7
[INFO] finished tweaking crates.io crate fast_new_type 0.1.7
[INFO] tweaked toml for crates.io crate fast_new_type 0.1.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fast_new_type 0.1.7 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 2 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 2685f48954915f5408db2416bf9a46a9a7eb731e2c9196d76d5c2457eb9e2465
[INFO] running `Command { std: "docker" "start" "-a" "2685f48954915f5408db2416bf9a46a9a7eb731e2c9196d76d5c2457eb9e2465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2685f48954915f5408db2416bf9a46a9a7eb731e2c9196d76d5c2457eb9e2465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2685f48954915f5408db2416bf9a46a9a7eb731e2c9196d76d5c2457eb9e2465", kill_on_drop: false }`
[INFO] [stdout] 2685f48954915f5408db2416bf9a46a9a7eb731e2c9196d76d5c2457eb9e2465
[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] 34e5b207fbcc5066053f1e584ede6f574e512c70ae417d98577bff8201a25562
[INFO] running `Command { std: "docker" "start" "-a" "34e5b207fbcc5066053f1e584ede6f574e512c70ae417d98577bff8201a25562", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed_len_str v0.2.9
[INFO] [stderr]     Checking syn_str v0.1.58
[INFO] [stderr]     Checking fast_new_type v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `from_struct_for_field`
[INFO] [stdout]    --> src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     if cfg!(feature = "from_struct_for_field") {
[INFO] [stdout]     |             ^^^^^^^^^^-----------------------
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: there is a expected value with a similar name: `"from_struct_for_type"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `from_struct_for_type`
[INFO] [stdout]     = help: consider adding `from_struct_for_field` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Err(s) => format!("compile_error!(\"{}\")", s).parse().unwrap()
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast_new_type` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unexpected `cfg` condition value: `from_struct_for_field`
[INFO] [stdout]    --> src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     if cfg!(feature = "from_struct_for_field") {
[INFO] [stdout]     |             ^^^^^^^^^^-----------------------
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: there is a expected value with a similar name: `"from_struct_for_type"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `from_struct_for_type`
[INFO] [stdout]     = help: consider adding `from_struct_for_field` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::string::String, Infallible>
[INFO] [stdout]   --> src/lib.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Err(s) => format!("compile_error!(\"{}\")", s).parse().unwrap()
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast_new_type` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "34e5b207fbcc5066053f1e584ede6f574e512c70ae417d98577bff8201a25562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e5b207fbcc5066053f1e584ede6f574e512c70ae417d98577bff8201a25562", kill_on_drop: false }`
[INFO] [stdout] 34e5b207fbcc5066053f1e584ede6f574e512c70ae417d98577bff8201a25562
