[INFO] fetching crate bcmp 0.4.1...
[INFO] checking bcmp-0.4.1 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate bcmp 0.4.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bcmp 0.4.1 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bcmp 0.4.1
[INFO] finished tweaking crates.io crate bcmp 0.4.1
[INFO] tweaked toml for crates.io crate bcmp 0.4.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytepack_derive v0.2.0
[INFO] [stderr]   Downloaded bytepack v0.4.1
[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" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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] a101f3ad10b18c5a63b97b14bc2aee62e87bf119378b6873ec3155c2b61076b9
[INFO] running `Command { std: "docker" "start" "-a" "a101f3ad10b18c5a63b97b14bc2aee62e87bf119378b6873ec3155c2b61076b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a101f3ad10b18c5a63b97b14bc2aee62e87bf119378b6873ec3155c2b61076b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a101f3ad10b18c5a63b97b14bc2aee62e87bf119378b6873ec3155c2b61076b9", kill_on_drop: false }`
[INFO] [stdout] a101f3ad10b18c5a63b97b14bc2aee62e87bf119378b6873ec3155c2b61076b9
[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" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e2a81c48357b897441a57b61ed73af32c75d5b44be855b6a5f92f8127b80cb8
[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" "3e2a81c48357b897441a57b61ed73af32c75d5b44be855b6a5f92f8127b80cb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytepack_derive v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking bytepack v0.4.1
[INFO] [stderr]     Checking bcmp v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |     iter: Box<Iterator<Item=Match> + 'a>
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Match> + 'a`
[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:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |     iter: Box<Iterator<Item=Match> + 'a>
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Match> + 'a`
[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 3.47s
[INFO] running `Command { std: "docker" "inspect" "3e2a81c48357b897441a57b61ed73af32c75d5b44be855b6a5f92f8127b80cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2a81c48357b897441a57b61ed73af32c75d5b44be855b6a5f92f8127b80cb8", kill_on_drop: false }`
[INFO] [stdout] 3e2a81c48357b897441a57b61ed73af32c75d5b44be855b6a5f92f8127b80cb8