[INFO] fetching crate binserde 0.1.6... [INFO] checking binserde-0.1.6 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] extracting crate binserde 0.1.6 into /workspace/builds/worker-33/source [INFO] validating manifest of crates.io crate binserde 0.1.6 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate binserde 0.1.6 [INFO] finished tweaking crates.io crate binserde 0.1.6 [INFO] tweaked toml for crates.io crate binserde 0.1.6 written to /workspace/builds/worker-33/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3af3cc176bc29543aff9839a81814090e4b3ab16c27b6f68b0d271609042b2ac [INFO] running `Command { std: "docker" "start" "-a" "3af3cc176bc29543aff9839a81814090e4b3ab16c27b6f68b0d271609042b2ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3af3cc176bc29543aff9839a81814090e4b3ab16c27b6f68b0d271609042b2ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3af3cc176bc29543aff9839a81814090e4b3ab16c27b6f68b0d271609042b2ac", kill_on_drop: false }` [INFO] [stdout] 3af3cc176bc29543aff9839a81814090e4b3ab16c27b6f68b0d271609042b2ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c0e1bd570ed5b93efb14e63925a34cfe66fff78d92f1ef6a90ba78ffb985ee4 [INFO] running `Command { std: "docker" "start" "-a" "7c0e1bd570ed5b93efb14e63925a34cfe66fff78d92f1ef6a90ba78ffb985ee4", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [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 thiserror v1.0.26 [INFO] [stderr] Checking binserde v0.1.6 (/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: 1 warning 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.17s [INFO] running `Command { std: "docker" "inspect" "7c0e1bd570ed5b93efb14e63925a34cfe66fff78d92f1ef6a90ba78ffb985ee4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c0e1bd570ed5b93efb14e63925a34cfe66fff78d92f1ef6a90ba78ffb985ee4", kill_on_drop: false }` [INFO] [stdout] 7c0e1bd570ed5b93efb14e63925a34cfe66fff78d92f1ef6a90ba78ffb985ee4