[INFO] fetching crate arcode 0.1.2...
[INFO] checking arcode-0.1.2 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate arcode 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate arcode 0.1.2 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitbit v0.2.0
[INFO] [stderr]   Downloaded fenwick v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 779c9e9b41ee0036b3b934d92de41496dd4e3f3f8be85eb736b5a9d7e1a7b3c0
[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" "779c9e9b41ee0036b3b934d92de41496dd4e3f3f8be85eb736b5a9d7e1a7b3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "779c9e9b41ee0036b3b934d92de41496dd4e3f3f8be85eb736b5a9d7e1a7b3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779c9e9b41ee0036b3b934d92de41496dd4e3f3f8be85eb736b5a9d7e1a7b3c0", kill_on_drop: false }`
[INFO] [stdout] 779c9e9b41ee0036b3b934d92de41496dd4e3f3f8be85eb736b5a9d7e1a7b3c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6c3add85e5ab737daaa6e4d8d79ea2606867eff7a4e25e331e1eba8f6c77c56
[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" "b6c3add85e5ab737daaa6e4d8d79ea2606867eff7a4e25e331e1eba8f6c77c56", 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 0.96s
[INFO] running `Command { std: "docker" "inspect" "b6c3add85e5ab737daaa6e4d8d79ea2606867eff7a4e25e331e1eba8f6c77c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c3add85e5ab737daaa6e4d8d79ea2606867eff7a4e25e331e1eba8f6c77c56", kill_on_drop: false }`
[INFO] [stdout] b6c3add85e5ab737daaa6e4d8d79ea2606867eff7a4e25e331e1eba8f6c77c56