[INFO] cloning repository https://github.com/vectorizer-labs/bitreader-async
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vectorizer-labs/bitreader-async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvectorizer-labs%2Fbitreader-async", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvectorizer-labs%2Fbitreader-async'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d550e077a6c37ace326d3189e38093f98572e00
[INFO] checking vectorizer-labs/bitreader-async against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvectorizer-labs%2Fbitreader-async" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vectorizer-labs/bitreader-async on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vectorizer-labs/bitreader-async
[INFO] finished tweaking git repo https://github.com/vectorizer-labs/bitreader-async
[INFO] tweaked toml for git repo https://github.com/vectorizer-labs/bitreader-async written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/vectorizer-labs/bitreader-async already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-trait v0.1.21
[INFO] [stderr]   Downloaded bit_reverse v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "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] 39e1fce5c536894f1962605b31d22a1cdd4dcd794fc1d0bd5956ec2276b01121
[INFO] running `Command { std: "docker" "start" "-a" "39e1fce5c536894f1962605b31d22a1cdd4dcd794fc1d0bd5956ec2276b01121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39e1fce5c536894f1962605b31d22a1cdd4dcd794fc1d0bd5956ec2276b01121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39e1fce5c536894f1962605b31d22a1cdd4dcd794fc1d0bd5956ec2276b01121", kill_on_drop: false }`
[INFO] [stdout] 39e1fce5c536894f1962605b31d22a1cdd4dcd794fc1d0bd5956ec2276b01121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7683c3e896f6ca7a227c5858aeb931eb3eefbdba6f49a0f27002faa0f7791b89
[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" "7683c3e896f6ca7a227c5858aeb931eb3eefbdba6f49a0f27002faa0f7791b89", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking bit_reverse v0.1.8
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking async-macros v2.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.21
[INFO] [stderr]     Checking async-std v1.2.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking bitreader_async v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/byte_reader.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         #[async_trait]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/byte_reader.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         #[async_trait]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/byte_reader.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         #[async_trait]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/byte_reader.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         #[async_trait]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: remove these parentheses
[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 43.16s
[INFO] running `Command { std: "docker" "inspect" "7683c3e896f6ca7a227c5858aeb931eb3eefbdba6f49a0f27002faa0f7791b89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7683c3e896f6ca7a227c5858aeb931eb3eefbdba6f49a0f27002faa0f7791b89", kill_on_drop: false }`
[INFO] [stdout] 7683c3e896f6ca7a227c5858aeb931eb3eefbdba6f49a0f27002faa0f7791b89