[INFO] crate bigbro 0.5.2 is already in cache
[INFO] checking bigbro-0.5.2 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate bigbro 0.5.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate bigbro 0.5.2 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/.cargo/config
[INFO] started tweaking crates.io crate bigbro 0.5.2
[INFO] finished tweaking crates.io crate bigbro 0.5.2
[INFO] tweaked toml for crates.io crate bigbro 0.5.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95e99e0b578c00aacbd454be1b904eac95deac8925b543f15b1f0a11e05da3e6
[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" "95e99e0b578c00aacbd454be1b904eac95deac8925b543f15b1f0a11e05da3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95e99e0b578c00aacbd454be1b904eac95deac8925b543f15b1f0a11e05da3e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e99e0b578c00aacbd454be1b904eac95deac8925b543f15b1f0a11e05da3e6", kill_on_drop: false }`
[INFO] [stdout] 95e99e0b578c00aacbd454be1b904eac95deac8925b543f15b1f0a11e05da3e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c95270b93a1303b49ea45eab7e1669b33c2a9fdedf3d9e5864160266856daf4
[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" "4c95270b93a1303b49ea45eab7e1669b33c2a9fdedf3d9e5864160266856daf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling seccomp-droundy-sys v0.1.2
[INFO] [stderr]     Checking seccomp-droundy v0.1.0
[INFO] [stderr]     Checking bigbro v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/linux.rs:144:60
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[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:622:60
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/linux.rs:144:60
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[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:622:60
[INFO] [stdout]     |
[INFO] [stdout] 622 |     pub fn stdout(&mut self) -> std::io::Result<Option<Box<std::io::Read>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "4c95270b93a1303b49ea45eab7e1669b33c2a9fdedf3d9e5864160266856daf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c95270b93a1303b49ea45eab7e1669b33c2a9fdedf3d9e5864160266856daf4", kill_on_drop: false }`
[INFO] [stdout] 4c95270b93a1303b49ea45eab7e1669b33c2a9fdedf3d9e5864160266856daf4