[INFO] cloning repository https://github.com/jamespharaoh/btrfs-dedupe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamespharaoh/btrfs-dedupe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamespharaoh%2Fbtrfs-dedupe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamespharaoh%2Fbtrfs-dedupe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72c6a301d20f935827b994db210bf0a1e121273a
[INFO] checking jamespharaoh/btrfs-dedupe against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamespharaoh%2Fbtrfs-dedupe" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamespharaoh/btrfs-dedupe on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jamespharaoh/btrfs-dedupe
[INFO] finished tweaking git repo https://github.com/jamespharaoh/btrfs-dedupe
[INFO] tweaked toml for git repo https://github.com/jamespharaoh/btrfs-dedupe written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jamespharaoh/btrfs-dedupe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded serde_codegen v0.8.21
[INFO] [stderr]   Downloaded term_size v0.2.1
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded unicode-segmentation v1.0.1
[INFO] [stderr]   Downloaded uuid v0.3.1
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded lazy_static v0.2.2
[INFO] [stderr]   Downloaded syntex_errors v0.52.0
[INFO] [stderr]   Downloaded syntex_pos v0.52.0
[INFO] [stderr]   Downloaded time v0.1.35
[INFO] [stderr]   Downloaded serde v0.8.21
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded clap v2.20.0
[INFO] [stderr]   Downloaded flate2 v0.2.14
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded syn v0.10.6
[INFO] [stderr]   Downloaded syntex v0.52.0
[INFO] [stderr]   Downloaded syntex_syntax v0.52.0
[INFO] [stderr]   Downloaded odds v0.2.25
[INFO] [stderr]   Downloaded termion v1.1.4
[INFO] [stderr]   Downloaded generic-array v0.6.0
[INFO] [stderr]   Downloaded quote v0.3.10
[INFO] [stderr]   Downloaded serde_json v0.8.4
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.3
[INFO] [stderr]   Downloaded nodrop v0.1.8
[INFO] [stderr]   Downloaded rustc-serialize v0.3.22
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded minilzo-sys v0.1.0
[INFO] [stderr]   Downloaded term v0.4.4
[INFO] [stderr]   Downloaded digest-buffer v0.2.0
[INFO] [stderr]   Downloaded minilzo v0.1.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.7
[INFO] [stderr]   Downloaded digest v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.18
[INFO] [stderr]   Downloaded gcc v0.3.41
[INFO] [stderr]   Downloaded output v0.4.1
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded byte-tools v0.1.2
[INFO] [stderr]   Downloaded crc v1.4.0
[INFO] [stderr]   Downloaded vec_map v0.6.0
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded sha2 v0.4.0
[INFO] [stderr]   Downloaded ioctl v0.3.3
[INFO] [stderr]   Downloaded btrfs v1.2.1
[INFO] [stderr]   Downloaded typenum v1.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e287c53f2b5de82ac17f00b1144788d12bccf002a9c0df806f97249f41a881a
[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" "9e287c53f2b5de82ac17f00b1144788d12bccf002a9c0df806f97249f41a881a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e287c53f2b5de82ac17f00b1144788d12bccf002a9c0df806f97249f41a881a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e287c53f2b5de82ac17f00b1144788d12bccf002a9c0df806f97249f41a881a", kill_on_drop: false }`
[INFO] [stdout] 9e287c53f2b5de82ac17f00b1144788d12bccf002a9c0df806f97249f41a881a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] a83e4d641a525d2c8ed2c62f1da3876cfc7322b551976cb4b3a9bc1e079f5dc1
[INFO] running `Command { std: "docker" "start" "-a" "a83e4d641a525d2c8ed2c62f1da3876cfc7322b551976cb4b3a9bc1e079f5dc1", 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]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling typenum v1.5.1
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking byte-tools v0.1.2
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking serde v0.8.21
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]    Compiling syn v0.10.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking nodrop v0.1.8
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking ioctl v0.3.3
[INFO] [stderr]     Checking termion v1.1.4
[INFO] [stderr]     Checking clap v2.20.0
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.20.0/src/macros.rs:621:41
[INFO] [stdout]     |
[INFO] [stdout] 621 |     (@arg ($arg:expr) $modes:tt !$ident $($tail:tt)*) => {
[INFO] [stdout]     |                                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking minilzo v0.1.0
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]     Checking output v0.4.1
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking btrfs v1.2.1
[INFO] [stderr]     Checking generic-array v0.6.0
[INFO] [stderr]     Checking digest v0.4.0
[INFO] [stderr]     Checking digest-buffer v0.2.0
[INFO] [stderr]     Checking sha2 v0.4.0
[INFO] [stderr]    Compiling syntex_pos v0.52.0
[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" "a83e4d641a525d2c8ed2c62f1da3876cfc7322b551976cb4b3a9bc1e079f5dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83e4d641a525d2c8ed2c62f1da3876cfc7322b551976cb4b3a9bc1e079f5dc1", kill_on_drop: false }`
[INFO] [stdout] a83e4d641a525d2c8ed2c62f1da3876cfc7322b551976cb4b3a9bc1e079f5dc1