[INFO] fetching crate vec_arith 1.0.4...
[INFO] checking vec_arith-1.0.4 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] extracting crate vec_arith 1.0.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate vec_arith 1.0.4 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vec_arith 1.0.4
[INFO] finished tweaking crates.io crate vec_arith 1.0.4
[INFO] tweaked toml for crates.io crate vec_arith 1.0.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4fd404aa33ca8890043c43487cd538ee47b6fa994e6c339a3396bda5c09656c
[INFO] running `Command { std: "docker" "start" "-a" "d4fd404aa33ca8890043c43487cd538ee47b6fa994e6c339a3396bda5c09656c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4fd404aa33ca8890043c43487cd538ee47b6fa994e6c339a3396bda5c09656c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fd404aa33ca8890043c43487cd538ee47b6fa994e6c339a3396bda5c09656c", kill_on_drop: false }`
[INFO] [stdout] d4fd404aa33ca8890043c43487cd538ee47b6fa994e6c339a3396bda5c09656c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7fc8ccc72f47a7c40c509a8c0105433a22ad22a2f0df8ba86e9f1f219e5455c
[INFO] running `Command { std: "docker" "start" "-a" "f7fc8ccc72f47a7c40c509a8c0105433a22ad22a2f0df8ba86e9f1f219e5455c", kill_on_drop: false }`
[INFO] [stderr]     Checking vec_arith v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]     --> src/lib.rs:3889:6
[INFO] [stdout]      |
[INFO] [stdout] 3889 |     use super::*;
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]     --> src/lib.rs:3751:7
[INFO] [stdout]      |
[INFO] [stdout] 3751 |         use super::*;
[INFO] [stdout]      |             ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]     --> src/lib.rs:3889:6
[INFO] [stdout]      |
[INFO] [stdout] 3889 |     use super::*;
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "f7fc8ccc72f47a7c40c509a8c0105433a22ad22a2f0df8ba86e9f1f219e5455c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7fc8ccc72f47a7c40c509a8c0105433a22ad22a2f0df8ba86e9f1f219e5455c", kill_on_drop: false }`
[INFO] [stdout] f7fc8ccc72f47a7c40c509a8c0105433a22ad22a2f0df8ba86e9f1f219e5455c