[INFO] fetching crate musli-zerocopy 0.1.0...
[INFO] checking musli-zerocopy-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate musli-zerocopy 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate musli-zerocopy 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate musli-zerocopy 0.1.0
[INFO] tweaked toml for crates.io crate musli-zerocopy 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate musli-zerocopy 0.1.0 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 musli-zerocopy 0.1.0 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-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] 848d5c4522c95d85ad86fe135a834967d2685570dc8449c4e41f483d53f1f158
[INFO] running `Command { std: "docker" "start" "-a" "848d5c4522c95d85ad86fe135a834967d2685570dc8449c4e41f483d53f1f158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "848d5c4522c95d85ad86fe135a834967d2685570dc8449c4e41f483d53f1f158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848d5c4522c95d85ad86fe135a834967d2685570dc8449c4e41f483d53f1f158", kill_on_drop: false }`
[INFO] [stdout] 848d5c4522c95d85ad86fe135a834967d2685570dc8449c4e41f483d53f1f158
[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] b42f3d3689ce2cc670ccb944be698f9f1e2cfea892f847c1b1937aa8297d1ab5
[INFO] running `Command { std: "docker" "start" "-a" "b42f3d3689ce2cc670ccb944be698f9f1e2cfea892f847c1b1937aa8297d1ab5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]     Checking toml_datetime v0.7.0
[INFO] [stderr]     Checking serde_spanned v1.0.0
[INFO] [stderr]     Checking toml v0.9.5
[INFO] [stderr]    Compiling musli-zerocopy-macros v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking musli-zerocopy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: core::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/pointer/size.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     <usize as TryFrom<_>>::try_from(self).is_ok(),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 | impl_size!(u8);
[INFO] [stdout]     | -------------- in this macro invocation
[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 `impl_size` (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: core::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/pointer/size.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     <usize as TryFrom<_>>::try_from(self).is_ok(),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 | impl_size!(u16);
[INFO] [stdout]     | --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_size` (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: core::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/pointer/size.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     <usize as TryFrom<_>>::try_from(self).is_ok(),
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 | impl_size!(usize);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_size` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `musli-zerocopy` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b42f3d3689ce2cc670ccb944be698f9f1e2cfea892f847c1b1937aa8297d1ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b42f3d3689ce2cc670ccb944be698f9f1e2cfea892f847c1b1937aa8297d1ab5", kill_on_drop: false }`
[INFO] [stdout] b42f3d3689ce2cc670ccb944be698f9f1e2cfea892f847c1b1937aa8297d1ab5