[INFO] cloning repository Baoyx007/pna
[INFO] running `"git" "clone" "--bare" "git://github.com/Baoyx007/pna.git" "work/cache/sources/gh/Baoyx007/pna"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Baoyx007/pna'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Baoyx007/pna" "work/ex/beta-1.37-6/sources/1.36.0/gh/Baoyx007/pna"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Baoyx007/pna'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Baoyx007/pna" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Baoyx007/pna"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Baoyx007/pna'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e899327622a1cf9a198394e12573401c744ad6eb
[INFO] sha for GitHub repo Baoyx007/pna: e899327622a1cf9a198394e12573401c744ad6eb
[INFO] validating manifest of Baoyx007/pna on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Baoyx007/pna on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Baoyx007/pna
[INFO] finished frobbing Baoyx007/pna
[INFO] frobbed toml for Baoyx007/pna written to work/ex/beta-1.37-6/sources/1.36.0/gh/Baoyx007/pna/Cargo.toml
[INFO] started frobbing Baoyx007/pna
[INFO] finished frobbing Baoyx007/pna
[INFO] frobbed toml for Baoyx007/pna written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Baoyx007/pna/Cargo.toml
[INFO] crate Baoyx007/pna already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Baoyx007/pna against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Baoyx007/pna:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3012929e4fae9d5530bcb529449b6cd813d581f3f037a92d2937f0414c501322
[INFO] running `"docker" "start" "-a" "3012929e4fae9d5530bcb529449b6cd813d581f3f037a92d2937f0414c501322"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling backtrace-sys v0.1.29
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(seek_convenience)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/kv.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/kv.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `kvs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3012929e4fae9d5530bcb529449b6cd813d581f3f037a92d2937f0414c501322"`
[INFO] running `"docker" "rm" "-f" "3012929e4fae9d5530bcb529449b6cd813d581f3f037a92d2937f0414c501322"`
[INFO] [stdout] 3012929e4fae9d5530bcb529449b6cd813d581f3f037a92d2937f0414c501322