[INFO] cloning repository https://github.com/wjhuang88/epic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wjhuang88/epic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjhuang88%2Fepic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjhuang88%2Fepic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d04e861a5020d2e10d4964f5252716ad31c9b37f
[INFO] documenting wjhuang88/epic against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwjhuang88%2Fepic" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wjhuang88/epic on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wjhuang88/epic
[INFO] finished tweaking git repo https://github.com/wjhuang88/epic
[INFO] tweaked toml for git repo https://github.com/wjhuang88/epic written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wjhuang88/epic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81a2a42d9c8fcb5bd2001efd1f09615449d5f6e84f580a118a33024487bf7b7d
[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" "81a2a42d9c8fcb5bd2001efd1f09615449d5f6e84f580a118a33024487bf7b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81a2a42d9c8fcb5bd2001efd1f09615449d5f6e84f580a118a33024487bf7b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a2a42d9c8fcb5bd2001efd1f09615449d5f6e84f580a118a33024487bf7b7d", kill_on_drop: false }`
[INFO] [stdout] 81a2a42d9c8fcb5bd2001efd1f09615449d5f6e84f580a118a33024487bf7b7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6663771556c36d883ed94a235436cfc7243332b123e97f41789d47f462545fd0
[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" "6663771556c36d883ed94a235436cfc7243332b123e97f41789d47f462545fd0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.16
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.14
[INFO] [stderr]    Compiling libgit2-sys v0.12.0+0.99.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking mimalloc v0.1.18
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking actix-rt v1.0.0
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking actix-server v1.0.2
[INFO] [stderr]     Checking actix-tls v1.0.0
[INFO] [stderr]     Checking actix-testing v1.0.0
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking git2 v0.13.0
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]    Compiling npm_scripts v0.2.0
[INFO] [stderr]    Compiling epic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `epic v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/epic-3aa8228616aa54f3/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Custom { kind: NotFound, error: Compat { error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr] 
[INFO] [stderr]      0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.7/src/backtrace/internal.rs:46
[INFO] [stderr]      1: failure::backtrace::Backtrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.7/src/backtrace/mod.rs:121
[INFO] [stderr]      2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.7/src/error/error_impl.rs:19
[INFO] [stderr]      3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.7/src/error/mod.rs:36
[INFO] [stderr]      4: npm_scripts::NpmScripts::run_script
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/npm_scripts-0.2.0/src/lib.rs:75
[INFO] [stderr]      5: build_script_build::main
[INFO] [stderr]                at build.rs:29
[INFO] [stderr]      6: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]      7: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at src/libstd/rt.rs:52
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at src/libstd/panicking.rs:348
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at src/libstd/panicking.rs:325
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at src/libstd/panic.rs:394
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at src/libstd/rt.rs:51
[INFO] [stderr]      8: std::rt::lang_start
[INFO] [stderr]                at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67
[INFO] [stderr]      9: main
[INFO] [stderr]     10: __libc_start_main
[INFO] [stderr]     11: _start
[INFO] [stderr]    } }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6663771556c36d883ed94a235436cfc7243332b123e97f41789d47f462545fd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6663771556c36d883ed94a235436cfc7243332b123e97f41789d47f462545fd0", kill_on_drop: false }`
[INFO] [stdout] 6663771556c36d883ed94a235436cfc7243332b123e97f41789d47f462545fd0