[INFO] fetching crate adaptive-barrier 1.0.0...
[INFO] checking adaptive-barrier-1.0.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate adaptive-barrier 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate adaptive-barrier 1.0.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adaptive-barrier 1.0.0
[INFO] finished tweaking crates.io crate adaptive-barrier 1.0.0
[INFO] tweaked toml for crates.io crate adaptive-barrier 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e15857a50044937816c68fe48e59668b7bf5907c2ef599a70ba0af36444b148b
[INFO] running `Command { std: "docker" "start" "-a" "e15857a50044937816c68fe48e59668b7bf5907c2ef599a70ba0af36444b148b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e15857a50044937816c68fe48e59668b7bf5907c2ef599a70ba0af36444b148b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15857a50044937816c68fe48e59668b7bf5907c2ef599a70ba0af36444b148b", kill_on_drop: false }`
[INFO] [stdout] e15857a50044937816c68fe48e59668b7bf5907c2ef599a70ba0af36444b148b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06ebe2fd8cd8a53c86f573634b3720919488b8ee4a29366866c4eae3aef2eba5
[INFO] running `Command { std: "docker" "start" "-a" "06ebe2fd8cd8a53c86f573634b3720919488b8ee4a29366866c4eae3aef2eba5", kill_on_drop: false }`
[INFO] [stderr]     Checking adaptive-barrier v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `thread` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:251:23
[INFO] [stdout]     |
[INFO] [stdout] 251 |     use std::thread::{self, sleep};
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     use super::*;
[INFO] [stdout]     |         -------- the item `thread` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "06ebe2fd8cd8a53c86f573634b3720919488b8ee4a29366866c4eae3aef2eba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ebe2fd8cd8a53c86f573634b3720919488b8ee4a29366866c4eae3aef2eba5", kill_on_drop: false }`
[INFO] [stdout] 06ebe2fd8cd8a53c86f573634b3720919488b8ee4a29366866c4eae3aef2eba5
