[INFO] fetching crate labrpc 0.2.3... [INFO] checking labrpc-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate labrpc 0.2.3 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate labrpc 0.2.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate labrpc 0.2.3 [INFO] finished tweaking crates.io crate labrpc 0.2.3 [INFO] tweaked toml for crates.io crate labrpc 0.2.3 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 57 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1eea9d33a28b3ccd1b5c7df59d8137ebc69a63c10a34987f775f8fb757d0d8f2 [INFO] running `Command { std: "docker" "start" "-a" "1eea9d33a28b3ccd1b5c7df59d8137ebc69a63c10a34987f775f8fb757d0d8f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1eea9d33a28b3ccd1b5c7df59d8137ebc69a63c10a34987f775f8fb757d0d8f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1eea9d33a28b3ccd1b5c7df59d8137ebc69a63c10a34987f775f8fb757d0d8f2", kill_on_drop: false }` [INFO] [stdout] 1eea9d33a28b3ccd1b5c7df59d8137ebc69a63c10a34987f775f8fb757d0d8f2 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a584fd865c7cdedc2876ca0adbbc02d76b35e6cfcafd9a8ec60db5a132bace46 [INFO] running `Command { std: "docker" "start" "-a" "a584fd865c7cdedc2876ca0adbbc02d76b35e6cfcafd9a8ec60db5a132bace46", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking labrpc v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Sender` is imported redundantly [INFO] [stdout] --> src/client.rs:111:40 [INFO] [stdout] | [INFO] [stdout] 111 | use crossbeam_channel::{unbounded, Sender}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 112 | [INFO] [stdout] 113 | use super::*; [INFO] [stdout] | -------- the item `Sender` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/network.rs:376:47 [INFO] [stdout] | [INFO] [stdout] 376 | use crate::{ReplyMessage, RequestMessage, Result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 377 | [INFO] [stdout] 378 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.42s [INFO] running `Command { std: "docker" "inspect" "a584fd865c7cdedc2876ca0adbbc02d76b35e6cfcafd9a8ec60db5a132bace46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a584fd865c7cdedc2876ca0adbbc02d76b35e6cfcafd9a8ec60db5a132bace46", kill_on_drop: false }` [INFO] [stdout] a584fd865c7cdedc2876ca0adbbc02d76b35e6cfcafd9a8ec60db5a132bace46