[INFO] fetching crate cargo-minify 0.5.0...
[INFO] checking cargo-minify-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cargo-minify 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate cargo-minify 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cargo-minify 0.5.0
[INFO] tweaked toml for crates.io crate cargo-minify 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-minify 0.5.0 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 cargo-minify 0.5.0 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-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] 3c09e576262227ae5b80f4cb2f983721e61f6026f77b727f0f6ce7d36286a459
[INFO] running `Command { std: "docker" "start" "-a" "3c09e576262227ae5b80f4cb2f983721e61f6026f77b727f0f6ce7d36286a459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c09e576262227ae5b80f4cb2f983721e61f6026f77b727f0f6ce7d36286a459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c09e576262227ae5b80f4cb2f983721e61f6026f77b727f0f6ce7d36286a459", kill_on_drop: false }`
[INFO] [stdout] 3c09e576262227ae5b80f4cb2f983721e61f6026f77b727f0f6ce7d36286a459
[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] 9d17d80a5e68419d58999326f656f4f25eb66d5fb92aa61e61f363e3fd165086
[INFO] running `Command { std: "docker" "start" "-a" "9d17d80a5e68419d58999326f656f4f25eb66d5fb92aa61e61f363e3fd165086", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking nu-ansi-term v0.49.0
[INFO] [stderr]     Checking glob-match v0.2.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking quote v1.0.33
[INFO] [stderr]     Checking syn v2.0.39
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]    Compiling libgit2-sys v0.15.2+1.6.4
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr]     Checking gumdrop v0.8.1
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking git2 v0.17.2
[INFO] [stderr]     Checking cargo-platform v0.1.5
[INFO] [stderr]     Checking multimap v0.9.1
[INFO] [stderr]     Checking cargo_metadata v0.17.0
[INFO] [stderr]     Checking cargo-minify v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> examples/useless.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | /// The generated function is unused, but won't be removed by cargo-minify
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `foo`
[INFO] [stdout]   --> examples/useless.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 | macro_rules! foo {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FOO` is never used
[INFO] [stdout]   --> examples/useless.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const FOO: usize = 5;
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `foo` is never used
[INFO] [stdout]   --> examples/useless.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn foo() {}
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]   --> examples/useless.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Foo {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> examples/useless.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Foo {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 19 |     fn new() {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: union `Baz` is never used
[INFO] [stdout]   --> examples/useless.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | union Baz {
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Qux` is never used
[INFO] [stdout]   --> examples/useless.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | type Qux = Bar;
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `huk` is never used
[INFO] [stdout]   --> examples/useless.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |         fn huk() {}
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 | huk!();
[INFO] [stdout]    | ------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `huk` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `baz` is never used
[INFO] [stdout]   --> examples/useless.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn baz();
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, Options)]
[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 derive macro `Options` (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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[derive(Debug, Options)]
[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 derive macro `Options` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-minify` (bin "cargo-minify" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cargo-minify` (bin "cargo-minify") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9d17d80a5e68419d58999326f656f4f25eb66d5fb92aa61e61f363e3fd165086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d17d80a5e68419d58999326f656f4f25eb66d5fb92aa61e61f363e3fd165086", kill_on_drop: false }`
[INFO] [stdout] 9d17d80a5e68419d58999326f656f4f25eb66d5fb92aa61e61f363e3fd165086
