[INFO] cloning repository https://github.com/ssiloti/snap-dedup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ssiloti/snap-dedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiloti%2Fsnap-dedup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiloti%2Fsnap-dedup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07c27a3d537c6cdcbbdaf0dd5df787e3bc776773
[INFO] checking ssiloti/snap-dedup against try#c34df645207dd0b6887b2312cf109109ba3a0ffb for pr-102513
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssiloti%2Fsnap-dedup" "/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/ssiloti/snap-dedup on toolchain c34df645207dd0b6887b2312cf109109ba3a0ffb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ssiloti/snap-dedup
[INFO] finished tweaking git repo https://github.com/ssiloti/snap-dedup
[INFO] tweaked toml for git repo https://github.com/ssiloti/snap-dedup written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ssiloti/snap-dedup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d72fa338416f85d3134d6f57d7cbf8d368988f35ee25e5a49d869e0db01f82d2
[INFO] running `Command { std: "docker" "start" "-a" "d72fa338416f85d3134d6f57d7cbf8d368988f35ee25e5a49d869e0db01f82d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d72fa338416f85d3134d6f57d7cbf8d368988f35ee25e5a49d869e0db01f82d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72fa338416f85d3134d6f57d7cbf8d368988f35ee25e5a49d869e0db01f82d2", kill_on_drop: false }`
[INFO] [stdout] d72fa338416f85d3134d6f57d7cbf8d368988f35ee25e5a49d869e0db01f82d2
[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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+c34df645207dd0b6887b2312cf109109ba3a0ffb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd9decadf09ca0ce48f6168072bb1841fd25d92417ca36370044e3870d3db7f4
[INFO] running `Command { std: "docker" "start" "-a" "cd9decadf09ca0ce48f6168072bb1841fd25d92417ca36370044e3870d3db7f4", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling gcc v0.3.46
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking crc v1.4.0
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking ioctl v0.3.3
[INFO] [stderr]     Checking minilzo v0.1.2
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking flate2 v0.2.19
[INFO] [stderr]     Checking btrfs v1.2.1
[INFO] [stdout] error[E0791]: reference to packed field is unaligned
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/btrfs-1.2.1/src/diskformat/extentdata.rs:215:7
[INFO] [stdout]     |
[INFO] [stdout] 215 |                         self.data ().other_encoding)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
[INFO] [stdout]     = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
[INFO] [stdout]     = note: this error originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0791`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `btrfs` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cd9decadf09ca0ce48f6168072bb1841fd25d92417ca36370044e3870d3db7f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9decadf09ca0ce48f6168072bb1841fd25d92417ca36370044e3870d3db7f4", kill_on_drop: false }`
[INFO] [stdout] cd9decadf09ca0ce48f6168072bb1841fd25d92417ca36370044e3870d3db7f4