[INFO] fetching crate libmedusa-zip 0.0.9...
[INFO] checking libmedusa-zip-0.0.9 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate libmedusa-zip 0.0.9 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate libmedusa-zip 0.0.9
[INFO] finished tweaking crates.io crate libmedusa-zip 0.0.9
[INFO] tweaked toml for crates.io crate libmedusa-zip 0.0.9 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libmedusa-zip 0.0.9 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 90 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] a90b33bdff89aefdd8a725b3e30ee8ff41b7b618604b4bbc2d68b6d5b9a64bac
[INFO] running `Command { std: "docker" "start" "-a" "a90b33bdff89aefdd8a725b3e30ee8ff41b7b618604b4bbc2d68b6d5b9a64bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a90b33bdff89aefdd8a725b3e30ee8ff41b7b618604b4bbc2d68b6d5b9a64bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a90b33bdff89aefdd8a725b3e30ee8ff41b7b618604b4bbc2d68b6d5b9a64bac", kill_on_drop: false }`
[INFO] [stdout] a90b33bdff89aefdd8a725b3e30ee8ff41b7b618604b4bbc2d68b6d5b9a64bac
[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] ef0ac798a99261fb5fbdf496dac8d1ba8042784f23c0b41527bc9714890884f9
[INFO] running `Command { std: "docker" "start" "-a" "ef0ac798a99261fb5fbdf496dac8d1ba8042784f23c0b41527bc9714890884f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling static_init v1.0.4
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking deranged v0.5.5
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking num_enum v0.6.1
[INFO] [stderr]     Checking zip-merge v0.6.6
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking libmedusa-zip v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:128:3
[INFO] [stdout]     |
[INFO] [stdout] 128 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:140:3
[INFO] [stdout]     |
[INFO] [stdout] 140 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:167:3
[INFO] [stdout]     |
[INFO] [stdout] 167 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:192:3
[INFO] [stdout]     |
[INFO] [stdout] 192 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:213:3
[INFO] [stdout]     |
[INFO] [stdout] 213 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:285:3
[INFO] [stdout]     |
[INFO] [stdout] 285 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:128:3
[INFO] [stdout]     |
[INFO] [stdout] 128 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:140:3
[INFO] [stdout]     |
[INFO] [stdout] 140 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:167:3
[INFO] [stdout]     |
[INFO] [stdout] 167 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:192:3
[INFO] [stdout]     |
[INFO] [stdout] 192 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:213:3
[INFO] [stdout]     |
[INFO] [stdout] 213 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/zip.rs:285:3
[INFO] [stdout]     |
[INFO] [stdout] 285 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/zip.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |         l.try_into()
[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<i32, Infallible>
[INFO] [stdout]    --> src/zip.rs:300:9
[INFO] [stdout]     |
[INFO] [stdout] 300 |         l.try_into()
[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 `libmedusa-zip` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libmedusa-zip` (lib) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ef0ac798a99261fb5fbdf496dac8d1ba8042784f23c0b41527bc9714890884f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0ac798a99261fb5fbdf496dac8d1ba8042784f23c0b41527bc9714890884f9", kill_on_drop: false }`
[INFO] [stdout] ef0ac798a99261fb5fbdf496dac8d1ba8042784f23c0b41527bc9714890884f9
