[INFO] fetching crate sonicd 0.6.0...
[INFO] checking sonicd-0.6.0 against beta for pr-78714
[INFO] extracting crate sonicd 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sonicd 0.6.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64cdac593dc5960c988aea5ae5ce57c8988007b9209538e376fa7484e4f8ded8
[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" "64cdac593dc5960c988aea5ae5ce57c8988007b9209538e376fa7484e4f8ded8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64cdac593dc5960c988aea5ae5ce57c8988007b9209538e376fa7484e4f8ded8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64cdac593dc5960c988aea5ae5ce57c8988007b9209538e376fa7484e4f8ded8", kill_on_drop: false }`
[INFO] [stdout] 64cdac593dc5960c988aea5ae5ce57c8988007b9209538e376fa7484e4f8ded8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 126b4829798f3c3ca059d7e7f46e46a09637711c2241d5ece457baf2f354baba
[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" "126b4829798f3c3ca059d7e7f46e46a09637711c2241d5ece457baf2f354baba", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rpassword v0.2.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking pbr v0.3.1
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling nix v0.6.0
[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 struct `String`
[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" "126b4829798f3c3ca059d7e7f46e46a09637711c2241d5ece457baf2f354baba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126b4829798f3c3ca059d7e7f46e46a09637711c2241d5ece457baf2f354baba", kill_on_drop: false }`
[INFO] [stdout] 126b4829798f3c3ca059d7e7f46e46a09637711c2241d5ece457baf2f354baba