[INFO] fetching crate dump 0.1.1...
[INFO] checking dump-0.1.1 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate dump 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dump 0.1.1 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dump 0.1.1
[INFO] finished tweaking crates.io crate dump 0.1.1
[INFO] tweaked toml for crates.io crate dump 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d205bb695ae99393e09ee8e4319542c0721b55dd18ccd389f1e7ac5aeec22b2e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d205bb695ae99393e09ee8e4319542c0721b55dd18ccd389f1e7ac5aeec22b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d205bb695ae99393e09ee8e4319542c0721b55dd18ccd389f1e7ac5aeec22b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d205bb695ae99393e09ee8e4319542c0721b55dd18ccd389f1e7ac5aeec22b2e", kill_on_drop: false }`
[INFO] [stdout] d205bb695ae99393e09ee8e4319542c0721b55dd18ccd389f1e7ac5aeec22b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 940ab3665e791b788eeab26133a07984518a28bdbb5fd8d11c1698d750b99cd3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "940ab3665e791b788eeab26133a07984518a28bdbb5fd8d11c1698d750b99cd3", kill_on_drop: false }`
[INFO] [stderr]     Checking dump v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]  --> src/lib.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     unsafe {
[INFO] [stdout]   |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]  --> src/lib.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     unsafe {
[INFO] [stdout]   |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "940ab3665e791b788eeab26133a07984518a28bdbb5fd8d11c1698d750b99cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940ab3665e791b788eeab26133a07984518a28bdbb5fd8d11c1698d750b99cd3", kill_on_drop: false }`
[INFO] [stdout] 940ab3665e791b788eeab26133a07984518a28bdbb5fd8d11c1698d750b99cd3