[INFO] fetching crate rexsgdata 0.12.0...
[INFO] checking rexsgdata-0.12.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate rexsgdata 0.12.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rexsgdata 0.12.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rexsgdata 0.12.0
[INFO] finished tweaking crates.io crate rexsgdata 0.12.0
[INFO] tweaked toml for crates.io crate rexsgdata 0.12.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding semver v0.11.0 (latest: v1.0.22)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_test v1.0.176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56619379c68d04e3e64a5cc685d27705da9da8d7b77bf8f173bc91039e395c8a
[INFO] running `Command { std: "docker" "start" "-a" "56619379c68d04e3e64a5cc685d27705da9da8d7b77bf8f173bc91039e395c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56619379c68d04e3e64a5cc685d27705da9da8d7b77bf8f173bc91039e395c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56619379c68d04e3e64a5cc685d27705da9da8d7b77bf8f173bc91039e395c8a", kill_on_drop: false }`
[INFO] [stdout] 56619379c68d04e3e64a5cc685d27705da9da8d7b77bf8f173bc91039e395c8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c72b8e84d0851d97a39bd7bfce23b1eb909a677da0f5bbc587b452e9dc57ae60
[INFO] running `Command { std: "docker" "start" "-a" "c72b8e84d0851d97a39bd7bfce23b1eb909a677da0f5bbc587b452e9dc57ae60", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking ucd-trie v0.1.6
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking pest v2.7.9
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking rexsgdata v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: the item `iovec` is imported redundantly
[INFO] [stdout]    --> src/sgdata.rs:247:24
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use super::*;
[INFO] [stdout]     |         -------- the item `iovec` is already imported here
[INFO] [stdout] 246 |     use bincode::{deserialize, serialize};
[INFO] [stdout] 247 |     use libc::{c_void, iovec};
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:18:9
[INFO] [stdout]     |
[INFO] [stdout] 18  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the item `once` is imported redundantly
[INFO] [stdout]    --> src/sgdata.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use super::*;
[INFO] [stdout]     |         -------- the item `once` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 248 |     use std::iter::once;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rexsgdata` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c72b8e84d0851d97a39bd7bfce23b1eb909a677da0f5bbc587b452e9dc57ae60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72b8e84d0851d97a39bd7bfce23b1eb909a677da0f5bbc587b452e9dc57ae60", kill_on_drop: false }`
[INFO] [stdout] c72b8e84d0851d97a39bd7bfce23b1eb909a677da0f5bbc587b452e9dc57ae60