[INFO] fetching crate bound 0.5.0...
[INFO] checking bound-0.5.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bound 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bound 0.5.0 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 bound 0.5.0
[INFO] finished tweaking crates.io crate bound 0.5.0
[INFO] tweaked toml for crates.io crate bound 0.5.0 written to /workspace/builds/worker-3-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] [stderr]     Updating crates.io index
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d08348fe7617245ee3389faa120c315177db0ea661a3b20f7589e9beafcc960d
[INFO] running `Command { std: "docker" "start" "-a" "d08348fe7617245ee3389faa120c315177db0ea661a3b20f7589e9beafcc960d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d08348fe7617245ee3389faa120c315177db0ea661a3b20f7589e9beafcc960d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08348fe7617245ee3389faa120c315177db0ea661a3b20f7589e9beafcc960d", kill_on_drop: false }`
[INFO] [stdout] d08348fe7617245ee3389faa120c315177db0ea661a3b20f7589e9beafcc960d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9d0700b88719439533a165ce6e103d555cd6c55066b54a5471e7d046e023f48a
[INFO] running `Command { std: "docker" "start" "-a" "9d0700b88719439533a165ce6e103d555cd6c55066b54a5471e7d046e023f48a", kill_on_drop: false }`
[INFO] [stderr]     Checking bound v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Deref` is imported redundantly
[INFO] [stdout]    --> src/bound.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     use std::ops::Deref;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 255 |     use super::*;
[INFO] [stdout]     |         -------- the item `Deref` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&dyn Debug` instead of dereferencing the inner type
[INFO] [stdout]    --> src/bound.rs:363:24
[INFO] [stdout]     |
[INFO] [stdout] 363 |             .field(self.deref())
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&dyn Debug` instead of dereferencing the inner type
[INFO] [stdout]    --> src/bound.rs:363:24
[INFO] [stdout]     |
[INFO] [stdout] 363 |             .field(self.deref())
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "9d0700b88719439533a165ce6e103d555cd6c55066b54a5471e7d046e023f48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d0700b88719439533a165ce6e103d555cd6c55066b54a5471e7d046e023f48a", kill_on_drop: false }`
[INFO] [stdout] 9d0700b88719439533a165ce6e103d555cd6c55066b54a5471e7d046e023f48a
