[INFO] fetching crate arcode 0.1.2...
[INFO] checking arcode-0.1.2 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate arcode 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate arcode 0.1.2 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcode 0.1.2
[INFO] finished tweaking crates.io crate arcode 0.1.2
[INFO] tweaked toml for crates.io crate arcode 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d375343ae28ead6383e972b75c09c28df5fd888eada122677c8ad40aa5ffe5f5
[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" "d375343ae28ead6383e972b75c09c28df5fd888eada122677c8ad40aa5ffe5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d375343ae28ead6383e972b75c09c28df5fd888eada122677c8ad40aa5ffe5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d375343ae28ead6383e972b75c09c28df5fd888eada122677c8ad40aa5ffe5f5", kill_on_drop: false }`
[INFO] [stdout] d375343ae28ead6383e972b75c09c28df5fd888eada122677c8ad40aa5ffe5f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f52980b4c333e40f764fbca86960d46334061d548b6d8815708a6482391dd72
[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" "0f52980b4c333e40f764fbca86960d46334061d548b6d8815708a6482391dd72", kill_on_drop: false }`
[INFO] [stderr]     Checking bitbit v0.2.0
[INFO] [stderr]     Checking fenwick v0.2.0
[INFO] [stderr]     Checking arcode v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/encode/binary_encoder.rs:24:47
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   -> Result<(), 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/decode/binary_decoder.rs:28:128
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn decode<R: Read, B: Bit>(&mut self, decoder: &mut ArithmeticDecoder, input: &mut BitReader<R, B>) -> Result<u32, Box<Error>> {
[INFO] [stdout]    |                                                                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/encode/binary_encoder.rs:24:47
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   -> Result<(), 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/decode/binary_decoder.rs:28:128
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn decode<R: Read, B: Bit>(&mut self, decoder: &mut ArithmeticDecoder, input: &mut BitReader<R, B>) -> Result<u32, Box<Error>> {
[INFO] [stdout]    |                                                                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[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 1.08s
[INFO] running `Command { std: "docker" "inspect" "0f52980b4c333e40f764fbca86960d46334061d548b6d8815708a6482391dd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f52980b4c333e40f764fbca86960d46334061d548b6d8815708a6482391dd72", kill_on_drop: false }`
[INFO] [stdout] 0f52980b4c333e40f764fbca86960d46334061d548b6d8815708a6482391dd72