[INFO] fetching crate wrapping-macro 0.2.1...
[INFO] checking wrapping-macro-0.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate wrapping-macro 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate wrapping-macro 0.2.1
[INFO] finished tweaking crates.io crate wrapping-macro 0.2.1
[INFO] tweaked toml for crates.io crate wrapping-macro 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wrapping-macro 0.2.1 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] 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] 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 43dd02344b4c9e3ab75d0cab2406fc45e1be11d74db59ba4acff8759f12d852c
[INFO] running `Command { std: "docker" "start" "-a" "43dd02344b4c9e3ab75d0cab2406fc45e1be11d74db59ba4acff8759f12d852c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43dd02344b4c9e3ab75d0cab2406fc45e1be11d74db59ba4acff8759f12d852c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43dd02344b4c9e3ab75d0cab2406fc45e1be11d74db59ba4acff8759f12d852c", kill_on_drop: false }`
[INFO] [stdout] 43dd02344b4c9e3ab75d0cab2406fc45e1be11d74db59ba4acff8759f12d852c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e1716630b85e8a05a7e6a43b92dc6a7abedef0afa701db6226b71b33ae5951c0
[INFO] running `Command { std: "docker" "start" "-a" "e1716630b85e8a05a7e6a43b92dc6a7abedef0afa701db6226b71b33ae5951c0", kill_on_drop: false }`
[INFO] [stderr]     Checking wrapping-macro v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<StringWrapper, Infallible>
[INFO] [stdout]  --> tests/macro_wrapping_string.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | / wrapping_macro::wrapping_string! {
[INFO] [stdout] 7 | |     #[derive(Debug, Clone, PartialEq, Eq, Hash)]
[INFO] [stdout] 8 | |     pub struct StringWrapper(pub String);
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[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 `wrapping_macro::wrapping_string` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StringWrapper, Infallible>
[INFO] [stdout]  --> tests/macro_wrapping_string.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | / wrapping_macro::wrapping_string! {
[INFO] [stdout] 7 | |     #[derive(Debug, Clone, PartialEq, Eq, Hash)]
[INFO] [stdout] 8 | |     pub struct StringWrapper(pub String);
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `wrapping_macro::wrapping_string` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BoxStrWrapper, Infallible>
[INFO] [stdout]   --> tests/macro_wrapping_string.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / wrapping_macro::wrapping_box_str! {
[INFO] [stdout] 12 | |     #[derive(Debug, Clone, PartialEq, Eq, Hash)]
[INFO] [stdout] 13 | |     pub struct BoxStrWrapper(pub Box<str>);
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `wrapping_macro::wrapping_box_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BoxStrWrapper, Infallible>
[INFO] [stdout]   --> tests/macro_wrapping_string.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / wrapping_macro::wrapping_box_str! {
[INFO] [stdout] 12 | |     #[derive(Debug, Clone, PartialEq, Eq, Hash)]
[INFO] [stdout] 13 | |     pub struct BoxStrWrapper(pub Box<str>);
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `wrapping_macro::wrapping_box_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StringWrapper, Infallible>
[INFO] [stdout]   --> tests/macro_wrapping_string.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let w = "foo".parse::<StringWrapper>().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<BoxStrWrapper, Infallible>
[INFO] [stdout]   --> tests/macro_wrapping_string.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let w = "foo".parse::<BoxStrWrapper>().unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wrapping-macro` (test "macro_wrapping_string") due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e1716630b85e8a05a7e6a43b92dc6a7abedef0afa701db6226b71b33ae5951c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1716630b85e8a05a7e6a43b92dc6a7abedef0afa701db6226b71b33ae5951c0", kill_on_drop: false }`
[INFO] [stdout] e1716630b85e8a05a7e6a43b92dc6a7abedef0afa701db6226b71b33ae5951c0
