[INFO] fetching crate adaptive-barrier 1.0.0...
[INFO] checking adaptive-barrier-1.0.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate adaptive-barrier 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate adaptive-barrier 1.0.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f4474b03404d27de1e3a436951ee86c3e1f3542343feff1600995321a881e8f
[INFO] running `Command { std: "docker" "start" "-a" "7f4474b03404d27de1e3a436951ee86c3e1f3542343feff1600995321a881e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f4474b03404d27de1e3a436951ee86c3e1f3542343feff1600995321a881e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f4474b03404d27de1e3a436951ee86c3e1f3542343feff1600995321a881e8f", kill_on_drop: false }`
[INFO] [stdout] 7f4474b03404d27de1e3a436951ee86c3e1f3542343feff1600995321a881e8f
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c31f6ce2205970ebb251835b022d831b9d10967a4270fd1ecd27140d9fe07f4
[INFO] running `Command { std: "docker" "start" "-a" "2c31f6ce2205970ebb251835b022d831b9d10967a4270fd1ecd27140d9fe07f4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[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 0.07s
[INFO] running `Command { std: "docker" "inspect" "2c31f6ce2205970ebb251835b022d831b9d10967a4270fd1ecd27140d9fe07f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c31f6ce2205970ebb251835b022d831b9d10967a4270fd1ecd27140d9fe07f4", kill_on_drop: false }`
[INFO] [stdout] 2c31f6ce2205970ebb251835b022d831b9d10967a4270fd1ecd27140d9fe07f4
