[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(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(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; [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; [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; [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; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, u64> [INFO] [stdout] --> src/serdeimpl.rs:88:24 [INFO] [stdout] | [INFO] [stdout] 88 | Ok(deserializer.pipe().$rvm()?.try_into()?) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | impl_int!(u64, read_u64, write_u64, read_varuint, write_varuint, u64); [INFO] [stdout] | --------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `impl_int` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/serdeimpl.rs:88:24 [INFO] [stdout] | [INFO] [stdout] 88 | Ok(deserializer.pipe().$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, i64> [INFO] [stdout] --> src/serdeimpl.rs:88:24 [INFO] [stdout] | [INFO] [stdout] 88 | Ok(deserializer.pipe().$rvm()?.try_into()?) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 120 | impl_int!(i64, read_i64, write_i64, read_varint, write_varint, i64); [INFO] [stdout] | ------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_int` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/serdeimpl.rs:88:24 [INFO] [stdout] | [INFO] [stdout] 88 | Ok(deserializer.pipe().$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, u64> [INFO] [stdout] --> src/serdeimpl.rs:88:24 [INFO] [stdout] | [INFO] [stdout] 88 | Ok(deserializer.pipe().$rvm()?.try_into()?) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | impl_int!(u64, read_u64, write_u64, read_varuint, write_varuint, u64); [INFO] [stdout] | --------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `impl_int` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/serdeimpl.rs:88:24 [INFO] [stdout] | [INFO] [stdout] 88 | Ok(deserializer.pipe().$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, i64> [INFO] [stdout] --> src/serdeimpl.rs:88:24 [INFO] [stdout] | [INFO] [stdout] 88 | Ok(deserializer.pipe().$rvm()?.try_into()?) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 120 | impl_int!(i64, read_i64, write_i64, read_varint, write_varint, i64); [INFO] [stdout] | ------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_int` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/serdeimpl.rs:88:24 [INFO] [stdout] | [INFO] [stdout] 88 | Ok(deserializer.pipe().$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