[INFO] cloning repository https://github.com/aeyoll/rust-music-folder-rename
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aeyoll/rust-music-folder-rename" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faeyoll%2Frust-music-folder-rename", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faeyoll%2Frust-music-folder-rename'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42c8f5e0be538e917dad565cb6dab4070141c9ca
[INFO] documenting aeyoll/rust-music-folder-rename against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faeyoll%2Frust-music-folder-rename" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aeyoll/rust-music-folder-rename on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aeyoll/rust-music-folder-rename
[INFO] finished tweaking git repo https://github.com/aeyoll/rust-music-folder-rename
[INFO] tweaked toml for git repo https://github.com/aeyoll/rust-music-folder-rename written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/aeyoll/rust-music-folder-rename already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mime_guess v1.8.1
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded flate2 v0.2.14
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.7
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded mime v0.2.2
[INFO] [stderr]   Downloaded unicase v1.4.0
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] [stderr]   Downloaded libc v0.2.18
[INFO] [stderr]   Downloaded id3 v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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-2020-08-29" "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] c21c4515112dce7a4bea74ab3e4931f4a19c77f570f562f87e7d6631e6114b92
[INFO] running `Command { std: "docker" "start" "-a" "c21c4515112dce7a4bea74ab3e4931f4a19c77f570f562f87e7d6631e6114b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c21c4515112dce7a4bea74ab3e4931f4a19c77f570f562f87e7d6631e6114b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21c4515112dce7a4bea74ab3e4931f4a19c77f570f562f87e7d6631e6114b92", kill_on_drop: false }`
[INFO] [stdout] c21c4515112dce7a4bea74ab3e4931f4a19c77f570f562f87e7d6631e6114b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 394af6706c5c329d6d4b6e39d43e2751a188a409d963fe66bbe6a115e00bd264
[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" "394af6706c5c329d6d4b6e39d43e2751a188a409d963fe66bbe6a115e00bd264", 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] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]     Checking phf v0.7.20
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.19.3/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]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]    Compiling mime_guess v1.8.1
[INFO] [stderr]     Checking id3 v0.1.11
[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" "394af6706c5c329d6d4b6e39d43e2751a188a409d963fe66bbe6a115e00bd264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394af6706c5c329d6d4b6e39d43e2751a188a409d963fe66bbe6a115e00bd264", kill_on_drop: false }`
[INFO] [stdout] 394af6706c5c329d6d4b6e39d43e2751a188a409d963fe66bbe6a115e00bd264