[INFO] fetching crate rarathon 0.0.1...
[INFO] testing rarathon-0.0.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate rarathon 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rarathon 0.0.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rarathon 0.0.1
[INFO] finished tweaking crates.io crate rarathon 0.0.1
[INFO] tweaked toml for crates.io crate rarathon 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a41e398891db7888fd615cb260b5ae8bfe0c93f30813e99101bdc82cd1cc84b
[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" "8a41e398891db7888fd615cb260b5ae8bfe0c93f30813e99101bdc82cd1cc84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a41e398891db7888fd615cb260b5ae8bfe0c93f30813e99101bdc82cd1cc84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a41e398891db7888fd615cb260b5ae8bfe0c93f30813e99101bdc82cd1cc84b", kill_on_drop: false }`
[INFO] [stdout] 8a41e398891db7888fd615cb260b5ae8bfe0c93f30813e99101bdc82cd1cc84b
[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=warn" "-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" "+beta-2020-10-09" "build" "--frozen" "--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] 6c1534b13edd2222009af24aed5ea4dc3d49965218bfd4f90b86e06bf0135ec4
[INFO] running `Command { std: "docker" "start" "-a" "6c1534b13edd2222009af24aed5ea4dc3d49965218bfd4f90b86e06bf0135ec4", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.6
[INFO] [stderr]    Compiling futures-task v0.3.6
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling tracing v0.1.21
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling hyper v0.13.8
[INFO] [stderr]    Compiling rarathon v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found `"rustc-serialize"`
[INFO] [stdout]  --> src/lib.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate "rustc-serialize" as rustc_serialize;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^ expected identifier
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rarathon`
[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" "6c1534b13edd2222009af24aed5ea4dc3d49965218bfd4f90b86e06bf0135ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1534b13edd2222009af24aed5ea4dc3d49965218bfd4f90b86e06bf0135ec4", kill_on_drop: false }`
[INFO] [stdout] 6c1534b13edd2222009af24aed5ea4dc3d49965218bfd4f90b86e06bf0135ec4
