[INFO] fetching crate binserde 0.1.7...
[INFO] checking binserde-0.1.7 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate binserde 0.1.7 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate binserde 0.1.7
[INFO] finished tweaking crates.io crate binserde 0.1.7
[INFO] tweaked toml for crates.io crate binserde 0.1.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate binserde 0.1.7 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 15 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-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] e3cf65e571e2734009987873d1279e2466d8a579aba1ddd073a8be8961539929
[INFO] running `Command { std: "docker" "start" "-a" "e3cf65e571e2734009987873d1279e2466d8a579aba1ddd073a8be8961539929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3cf65e571e2734009987873d1279e2466d8a579aba1ddd073a8be8961539929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cf65e571e2734009987873d1279e2466d8a579aba1ddd073a8be8961539929", kill_on_drop: false }`
[INFO] [stdout] e3cf65e571e2734009987873d1279e2466d8a579aba1ddd073a8be8961539929
[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] 2eb272f71cf8fa560358ddde181bb320c2dc8199b171bf1ce09937dcd6a0f44b
[INFO] running `Command { std: "docker" "start" "-a" "2eb272f71cf8fa560358ddde181bb320c2dc8199b171bf1ce09937dcd6a0f44b", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling binserde_derive v0.1.4
[INFO] [stderr]     Checking binserde v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/util.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn serialize_iter<I, S>(mut iter: I, mut serializer: S) -> Result<()>
[INFO] [stdout]    |                             ----^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/util.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn serialize_iter<I, S>(mut iter: I, mut serializer: S) -> Result<()>
[INFO] [stdout]    |                             ----^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_str` is never used
[INFO] [stdout]   --> src/write_ext.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait WriteExt {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] 10 |     fn write_str(&mut self, s: &str) -> Result<usize>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_str` is never used
[INFO] [stdout]   --> src/write_ext.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub trait ReadExt {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 40 |     fn read_str(&mut self) -> Result<String>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_str` is never used
[INFO] [stdout]   --> src/write_ext.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait WriteExt {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] 10 |     fn write_str(&mut self, s: &str) -> Result<usize>;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_str` is never used
[INFO] [stdout]   --> src/write_ext.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub trait ReadExt {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 40 |     fn read_str(&mut self) -> Result<String>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, u64>
[INFO] [stdout]    --> src/serdeimpl.rs:88:24
[INFO] [stdout]     |
[INFO] [stdout]  88 |                     Ok(deserializer.pipe().$rvm()?.try_into()?)
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 | impl_int!(u64, read_u64, write_u64, read_varuint, write_varuint, u64);
[INFO] [stdout]     | --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u64, Infallible>
[INFO] [stdout]    --> src/serdeimpl.rs:88:24
[INFO] [stdout]     |
[INFO] [stdout]  88 |                     Ok(deserializer.pipe().$rvm()?.try_into()?)
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 | impl_int!(u64, read_u64, write_u64, read_varuint, write_varuint, u64);
[INFO] [stdout]     | --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_int` (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: ControlFlow<std::result::Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/serdeimpl.rs:88:24
[INFO] [stdout]     |
[INFO] [stdout]  88 |                     Ok(deserializer.pipe().$rvm()?.try_into()?)
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 | impl_int!(i64, read_i64, write_i64, read_varint, write_varint, i64);
[INFO] [stdout]     | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/serdeimpl.rs:88:24
[INFO] [stdout]     |
[INFO] [stdout]  88 |                     Ok(deserializer.pipe().$rvm()?.try_into()?)
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 | impl_int!(i64, read_i64, write_i64, read_varint, write_varint, i64);
[INFO] [stdout]     | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_int` (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: ControlFlow<std::result::Result<Infallible, Infallible>, u64>
[INFO] [stdout]    --> src/serdeimpl.rs:88:24
[INFO] [stdout]     |
[INFO] [stdout]  88 |                     Ok(deserializer.pipe().$rvm()?.try_into()?)
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 | impl_int!(u64, read_u64, write_u64, read_varuint, write_varuint, u64);
[INFO] [stdout]     | --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `impl_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<u64, Infallible>
[INFO] [stdout]    --> src/serdeimpl.rs:88:24
[INFO] [stdout]     |
[INFO] [stdout]  88 |                     Ok(deserializer.pipe().$rvm()?.try_into()?)
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 | impl_int!(u64, read_u64, write_u64, read_varuint, write_varuint, u64);
[INFO] [stdout]     | --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_int` (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: ControlFlow<std::result::Result<Infallible, Infallible>, i64>
[INFO] [stdout]    --> src/serdeimpl.rs:88:24
[INFO] [stdout]     |
[INFO] [stdout]  88 |                     Ok(deserializer.pipe().$rvm()?.try_into()?)
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 | impl_int!(i64, read_i64, write_i64, read_varint, write_varint, i64);
[INFO] [stdout]     | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<i64, Infallible>
[INFO] [stdout]    --> src/serdeimpl.rs:88:24
[INFO] [stdout]     |
[INFO] [stdout]  88 |                     Ok(deserializer.pipe().$rvm()?.try_into()?)
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 | impl_int!(i64, read_i64, write_i64, read_varint, write_varint, i64);
[INFO] [stdout]     | ------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_int` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `binserde` (lib test) due to 4 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `binserde` (lib) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2eb272f71cf8fa560358ddde181bb320c2dc8199b171bf1ce09937dcd6a0f44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb272f71cf8fa560358ddde181bb320c2dc8199b171bf1ce09937dcd6a0f44b", kill_on_drop: false }`
[INFO] [stdout] 2eb272f71cf8fa560358ddde181bb320c2dc8199b171bf1ce09937dcd6a0f44b
