[INFO] cloning repository https://github.com/sybblow/tokio-echo-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sybblow/tokio-echo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsybblow%2Ftokio-echo-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsybblow%2Ftokio-echo-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f71de238c5e7450566ce8d0b5ef94a32427d4c76
[INFO] checking sybblow/tokio-echo-server against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsybblow%2Ftokio-echo-server" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sybblow/tokio-echo-server on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sybblow/tokio-echo-server
[INFO] finished tweaking git repo https://github.com/sybblow/tokio-echo-server
[INFO] tweaked toml for git repo https://github.com/sybblow/tokio-echo-server written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sybblow/tokio-echo-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ff589729adf96ccba36ad5c9e82aed3e5683435107969d7e46bd7674d8cb2f5
[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" "7ff589729adf96ccba36ad5c9e82aed3e5683435107969d7e46bd7674d8cb2f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ff589729adf96ccba36ad5c9e82aed3e5683435107969d7e46bd7674d8cb2f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff589729adf96ccba36ad5c9e82aed3e5683435107969d7e46bd7674d8cb2f5", kill_on_drop: false }`
[INFO] [stdout] 7ff589729adf96ccba36ad5c9e82aed3e5683435107969d7e46bd7674d8cb2f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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] 6ca757b6868e6bd13db44810ba3dccb4b9dbbf6a6ff616f10e159352745d4f57
[INFO] running `Command { std: "docker" "start" "-a" "6ca757b6868e6bd13db44810ba3dccb4b9dbbf6a6ff616f10e159352745d4f57", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking futures v0.1.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking clap v2.19.2
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.19.2/src/macros.rs:510:41
[INFO] [stdout]     |
[INFO] [stdout] 510 |     (@arg ($arg:expr) $modes:tt !$ident $($tail:tt)*) => {
[INFO] [stdout]     |                                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clap`
[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" "6ca757b6868e6bd13db44810ba3dccb4b9dbbf6a6ff616f10e159352745d4f57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca757b6868e6bd13db44810ba3dccb4b9dbbf6a6ff616f10e159352745d4f57", kill_on_drop: false }`
[INFO] [stdout] 6ca757b6868e6bd13db44810ba3dccb4b9dbbf6a6ff616f10e159352745d4f57