[INFO] fetching crate rollbuf 0.1.0...
[INFO] checking rollbuf-0.1.0 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate rollbuf 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rollbuf 0.1.0 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rollbuf 0.1.0
[INFO] finished tweaking crates.io crate rollbuf 0.1.0
[INFO] tweaked toml for crates.io crate rollbuf 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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] ecde96c0eeae7dab5bc2501e2e1cc8b05d8bb7f845c21de4ca85876bc1a9487a
[INFO] running `Command { std: "docker" "start" "-a" "ecde96c0eeae7dab5bc2501e2e1cc8b05d8bb7f845c21de4ca85876bc1a9487a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecde96c0eeae7dab5bc2501e2e1cc8b05d8bb7f845c21de4ca85876bc1a9487a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecde96c0eeae7dab5bc2501e2e1cc8b05d8bb7f845c21de4ca85876bc1a9487a", kill_on_drop: false }`
[INFO] [stdout] ecde96c0eeae7dab5bc2501e2e1cc8b05d8bb7f845c21de4ca85876bc1a9487a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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] f24330473aa935d436125f5a65ea61ac555d7cc5a9446ded34f4de524cd76300
[INFO] running `Command { std: "docker" "start" "-a" "f24330473aa935d436125f5a65ea61ac555d7cc5a9446ded34f4de524cd76300", kill_on_drop: false }`
[INFO] [stderr]     Checking rollbuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:52
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn fill_buf(&mut self) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:52
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn fill_buf(&mut self) -> Result<bool, Box<Error>> {
[INFO] [stdout]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "f24330473aa935d436125f5a65ea61ac555d7cc5a9446ded34f4de524cd76300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24330473aa935d436125f5a65ea61ac555d7cc5a9446ded34f4de524cd76300", kill_on_drop: false }`
[INFO] [stdout] f24330473aa935d436125f5a65ea61ac555d7cc5a9446ded34f4de524cd76300