[INFO] fetching crate binserde 0.1.7... [INFO] checking binserde-0.1.7 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate binserde 0.1.7 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate binserde 0.1.7 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages to latest compatible versions [INFO] [stderr] Adding darling v0.10.2 (latest: v0.20.10) [INFO] [stderr] Adding darling_core v0.10.2 (latest: v0.20.10) [INFO] [stderr] Adding darling_macro v0.10.2 (latest: v0.20.10) [INFO] [stderr] Adding strsim v0.9.3 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded binserde_derive v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 763d70d82d73db84957a988d5441c61f90d7817e2f6e0c4feaf786b1b1e05f5f [INFO] running `Command { std: "docker" "start" "-a" "763d70d82d73db84957a988d5441c61f90d7817e2f6e0c4feaf786b1b1e05f5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "763d70d82d73db84957a988d5441c61f90d7817e2f6e0c4feaf786b1b1e05f5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "763d70d82d73db84957a988d5441c61f90d7817e2f6e0c4feaf786b1b1e05f5f", kill_on_drop: false }` [INFO] [stdout] 763d70d82d73db84957a988d5441c61f90d7817e2f6e0c4feaf786b1b1e05f5f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43b7e379f6d8889784fc624ba474acedcabb2fbdaee15a70c32eb7c43406de85 [INFO] running `Command { std: "docker" "start" "-a" "43b7e379f6d8889784fc624ba474acedcabb2fbdaee15a70c32eb7c43406de85", kill_on_drop: false }` [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling darling_core v0.10.2 [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)]` 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)]` 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: 3 warnings emitted [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)]` 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)]` 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.02s [INFO] running `Command { std: "docker" "inspect" "43b7e379f6d8889784fc624ba474acedcabb2fbdaee15a70c32eb7c43406de85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43b7e379f6d8889784fc624ba474acedcabb2fbdaee15a70c32eb7c43406de85", kill_on_drop: false }` [INFO] [stdout] 43b7e379f6d8889784fc624ba474acedcabb2fbdaee15a70c32eb7c43406de85