[INFO] fetching crate engine_io_warp 0.1.0...
[INFO] checking engine_io_warp-0.1.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate engine_io_warp 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate engine_io_warp 0.1.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate engine_io_warp 0.1.0
[INFO] finished tweaking crates.io crate engine_io_warp 0.1.0
[INFO] tweaked toml for crates.io crate engine_io_warp 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded engine_io_server v0.1.0
[INFO] [stderr]   Downloaded engine_io_parser v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ce231c83056fd6a904a65e8012f4c9ede2ba52d7f831e19438c795f4cab9cc6
[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" "6ce231c83056fd6a904a65e8012f4c9ede2ba52d7f831e19438c795f4cab9cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ce231c83056fd6a904a65e8012f4c9ede2ba52d7f831e19438c795f4cab9cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce231c83056fd6a904a65e8012f4c9ede2ba52d7f831e19438c795f4cab9cc6", kill_on_drop: false }`
[INFO] [stdout] 6ce231c83056fd6a904a65e8012f4c9ede2ba52d7f831e19438c795f4cab9cc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ec9b1c6515586d1f81c6fbded283eb4630498adbba9839cb36dadf7b62ae523f
[INFO] running `Command { std: "docker" "start" "-a" "ec9b1c6515586d1f81c6fbded283eb4630498adbba9839cb36dadf7b62ae523f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking urlencoding v1.3.3
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/buf_redux-0.8.4/src/policy.rs:25:57
[INFO] [stdout]     |
[INFO] [stdout] 25  |     ($val:expr) => ( return $crate::policy::DoRead($val); );
[INFO] [stdout]     |                                                         ^
[INFO] [stdout] ...
[INFO] [stdout] 118 |         if buffer.len() >= self.0 { do_read!(false) }
[INFO] [stdout]     |                                     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `do_read` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `buf_redux`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ec9b1c6515586d1f81c6fbded283eb4630498adbba9839cb36dadf7b62ae523f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9b1c6515586d1f81c6fbded283eb4630498adbba9839cb36dadf7b62ae523f", kill_on_drop: false }`
[INFO] [stdout] ec9b1c6515586d1f81c6fbded283eb4630498adbba9839cb36dadf7b62ae523f