[INFO] crate rsudo-rs_support 0.1.0 is already in cache
[INFO] extracting crate rsudo-rs_support 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rsudo-rs_support/0.1.0
[INFO] extracting crate rsudo-rs_support 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rsudo-rs_support/0.1.0
[INFO] validating manifest of rsudo-rs_support-0.1.0 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 rsudo-rs_support-0.1.0 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 rsudo-rs_support-0.1.0
[INFO] finished frobbing rsudo-rs_support-0.1.0
[INFO] frobbed toml for rsudo-rs_support-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rsudo-rs_support/0.1.0/Cargo.toml
[INFO] started frobbing rsudo-rs_support-0.1.0
[INFO] finished frobbing rsudo-rs_support-0.1.0
[INFO] frobbed toml for rsudo-rs_support-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rsudo-rs_support/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] testing rsudo-rs_support-0.1.0 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-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rsudo-rs_support/0.1.0:/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] 0f246030247329c9c3341d78aaf980aea5859d3298a7738f29bada43030cfa5c
[INFO] running `"docker" "start" "-a" "0f246030247329c9c3341d78aaf980aea5859d3298a7738f29bada43030cfa5c"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling rsudo-rs_support v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `RsudoSocket`
[INFO] [stderr]  --> src/socket.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct RsudoSocket {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/socket.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/socket.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/socket.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `"docker" "inspect" "0f246030247329c9c3341d78aaf980aea5859d3298a7738f29bada43030cfa5c"`
[INFO] running `"docker" "rm" "-f" "0f246030247329c9c3341d78aaf980aea5859d3298a7738f29bada43030cfa5c"`
[INFO] [stdout] 0f246030247329c9c3341d78aaf980aea5859d3298a7738f29bada43030cfa5c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rsudo-rs_support/0.1.0:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9c4386c78058f9c1a2ecde0252dd6ac55c76c830ed334a8620e7fac761c57168
[INFO] running `"docker" "start" "-a" "9c4386c78058f9c1a2ecde0252dd6ac55c76c830ed334a8620e7fac761c57168"`
[INFO] [stderr]    Compiling rsudo-rs_support v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `RsudoSocket`
[INFO] [stderr]  --> src/socket.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct RsudoSocket {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/socket.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/socket.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/socket.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "9c4386c78058f9c1a2ecde0252dd6ac55c76c830ed334a8620e7fac761c57168"`
[INFO] running `"docker" "rm" "-f" "9c4386c78058f9c1a2ecde0252dd6ac55c76c830ed334a8620e7fac761c57168"`
[INFO] [stdout] 9c4386c78058f9c1a2ecde0252dd6ac55c76c830ed334a8620e7fac761c57168
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rsudo-rs_support/0.1.0:/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" "test" "--frozen"`
[INFO] [stdout] ec4968d3a419b91d66d30402e8aabb300bc036628904a2e6f771c230c33b81e5
[INFO] running `"docker" "start" "-a" "ec4968d3a419b91d66d30402e8aabb300bc036628904a2e6f771c230c33b81e5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rsudo_rs_support-e249ea8098a8c1e8
[INFO] [stderr]    Doc-tests rsudo-rs_support
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ec4968d3a419b91d66d30402e8aabb300bc036628904a2e6f771c230c33b81e5"`
[INFO] running `"docker" "rm" "-f" "ec4968d3a419b91d66d30402e8aabb300bc036628904a2e6f771c230c33b81e5"`
[INFO] [stdout] ec4968d3a419b91d66d30402e8aabb300bc036628904a2e6f771c230c33b81e5