[INFO] fetching crate sonicd 0.6.0...
[INFO] checking sonicd-0.6.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate sonicd 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sonicd 0.6.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sonicd 0.6.0
[INFO] finished tweaking crates.io crate sonicd 0.6.0
[INFO] tweaked toml for crates.io crate sonicd 0.6.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 95b7366e51c72273e312b3f5b965233758eef1a742addd0b268a54468bb36621
[INFO] running `Command { std: "docker" "start" "-a" "95b7366e51c72273e312b3f5b965233758eef1a742addd0b268a54468bb36621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95b7366e51c72273e312b3f5b965233758eef1a742addd0b268a54468bb36621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b7366e51c72273e312b3f5b965233758eef1a742addd0b268a54468bb36621", kill_on_drop: false }`
[INFO] [stdout] 95b7366e51c72273e312b3f5b965233758eef1a742addd0b268a54468bb36621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc0cc6cde54c12cbdc387c082b64bb4b35614ac0db01e335444ff4722880091f
[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" "bc0cc6cde54c12cbdc387c082b64bb4b35614ac0db01e335444ff4722880091f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking rpassword v0.2.3
[INFO] [stderr]     Checking error-chain v0.5.0
[INFO] [stderr]     Checking pbr v0.3.1
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pbr-0.3.1/src/pb.rs:348:64
[INFO] [stdout]     |
[INFO] [stdout] 348 |                         base = base + repeat!(self.bar_current.as_ref(), curr_count - 1) +
[INFO] [stdout]     |                                               -----------------^^^^^^--
[INFO] [stdout]     |                                               |                |
[INFO] [stdout]     |                                               |                cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]     |                                               this method call resolves to `&T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `String: AsRef<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pbr`
[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" "bc0cc6cde54c12cbdc387c082b64bb4b35614ac0db01e335444ff4722880091f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0cc6cde54c12cbdc387c082b64bb4b35614ac0db01e335444ff4722880091f", kill_on_drop: false }`
[INFO] [stdout] bc0cc6cde54c12cbdc387c082b64bb4b35614ac0db01e335444ff4722880091f