[INFO] fetching crate gd 0.0.0...
[INFO] checking gd-0.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate gd 0.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate gd 0.0.0
[INFO] finished tweaking crates.io crate gd 0.0.0
[INFO] tweaked toml for crates.io crate gd 0.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gd 0.0.0 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 gd 0.0.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3e3261f18c94257a35fae82bf21c1f8e0c41ba53cb4bb17fd19a2eaba0e4dd7a
[INFO] running `Command { std: "docker" "start" "-a" "3e3261f18c94257a35fae82bf21c1f8e0c41ba53cb4bb17fd19a2eaba0e4dd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e3261f18c94257a35fae82bf21c1f8e0c41ba53cb4bb17fd19a2eaba0e4dd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3261f18c94257a35fae82bf21c1f8e0c41ba53cb4bb17fd19a2eaba0e4dd7a", kill_on_drop: false }`
[INFO] [stdout] 3e3261f18c94257a35fae82bf21c1f8e0c41ba53cb4bb17fd19a2eaba0e4dd7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ae21137124ff351c44ead5b2a6f7d9bcde44f79d21c6aaac5c43792787ce5f58
[INFO] running `Command { std: "docker" "start" "-a" "ae21137124ff351c44ead5b2a6f7d9bcde44f79d21c6aaac5c43792787ce5f58", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking gimli v0.31.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking supports-color v3.0.1
[INFO] [stderr]     Checking encoding_rs v0.8.34
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking rustls-pemfile v2.1.3
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking supports-hyperlinks v3.0.0
[INFO] [stderr]     Checking ipnet v2.10.0
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking ecb v0.1.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking xor-cipher v4.0.0
[INFO] [stderr]     Checking capnp v0.20.0
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking addr2line v0.24.1
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking h2 v0.4.6
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling miette-derive v7.2.0
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking miette v7.2.0
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]     Checking hyper v1.4.1
[INFO] [stderr]    Compiling bon-macros v2.3.0
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking hyper-util v0.1.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking bon v2.3.0
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking reqwest v0.12.7
[INFO] [stderr]     Checking gd v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/crypto/base64.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub source: ErrorSource,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/crypto/robtop.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub source: ErrorSource,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/crypto/base64.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub source: ErrorSource,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/crypto/robtop.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub source: ErrorSource,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sequence`, `splitter`, `source`, and `delimiter` are never read
[INFO] [stdout]   --> src/internals/serde/de/mod.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct IndexedDeserializer<'de> {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout]  7 |     sequence: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  8 |     splitter: Split<'de, &'de str>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     source: &'de str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     delimiter: &'de str,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IndexedDeserializer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, str>, Infallible>
[INFO] [stdout]   --> src/crypto/base64.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |       ) -> Result<Cow<'p, str>, Self::UnprocessError> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 47 | |         Ok(Cow::Owned(encode(processed.as_ref())))
[INFO] [stdout] 48 | |     }
[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<Cow<'_, str>, Infallible>
[INFO] [stdout]   --> src/crypto/base64.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Ok(Cow::Owned(encode(processed.as_ref())))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, str>, Infallible>
[INFO] [stdout]    --> src/crypto/base64.rs:106:53
[INFO] [stdout]     |
[INFO] [stdout] 106 |       ) -> Result<Cow<'p, str>, Self::UnprocessError> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 107 | |         Ok(Cow::Owned(encode(processed.as_ref())))
[INFO] [stdout] 108 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, str>, Infallible>
[INFO] [stdout]    --> src/crypto/base64.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         Ok(Cow::Owned(encode(processed.as_ref())))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gd` (lib) due to 4 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `sequence`, `splitter`, `source`, and `delimiter` are never read
[INFO] [stdout]   --> src/internals/serde/de/mod.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct IndexedDeserializer<'de> {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout]  7 |     sequence: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  8 |     splitter: Split<'de, &'de str>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     source: &'de str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     delimiter: &'de str,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IndexedDeserializer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, str>, Infallible>
[INFO] [stdout]   --> src/crypto/base64.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |       ) -> Result<Cow<'p, str>, Self::UnprocessError> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 47 | |         Ok(Cow::Owned(encode(processed.as_ref())))
[INFO] [stdout] 48 | |     }
[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<Cow<'_, str>, Infallible>
[INFO] [stdout]   --> src/crypto/base64.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Ok(Cow::Owned(encode(processed.as_ref())))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, str>, Infallible>
[INFO] [stdout]    --> src/crypto/base64.rs:106:53
[INFO] [stdout]     |
[INFO] [stdout] 106 |       ) -> Result<Cow<'p, str>, Self::UnprocessError> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 107 | |         Ok(Cow::Owned(encode(processed.as_ref())))
[INFO] [stdout] 108 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Cow<'_, str>, Infallible>
[INFO] [stdout]    --> src/crypto/base64.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         Ok(Cow::Owned(encode(processed.as_ref())))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gd` (lib test) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ae21137124ff351c44ead5b2a6f7d9bcde44f79d21c6aaac5c43792787ce5f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae21137124ff351c44ead5b2a6f7d9bcde44f79d21c6aaac5c43792787ce5f58", kill_on_drop: false }`
[INFO] [stdout] ae21137124ff351c44ead5b2a6f7d9bcde44f79d21c6aaac5c43792787ce5f58
