[INFO] updating cached repository Skirmisher/batt-post
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Skirmisher/batt-post
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Skirmisher/batt-post" "work/ex/beta-1.37-6/sources/1.36.0/gh/Skirmisher/batt-post"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Skirmisher/batt-post'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Skirmisher/batt-post" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Skirmisher/batt-post"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Skirmisher/batt-post'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 77f4d1d9a566e12c6a9b2e566aae1d70a10ee314
[INFO] sha for GitHub repo Skirmisher/batt-post: 77f4d1d9a566e12c6a9b2e566aae1d70a10ee314
[INFO] validating manifest of Skirmisher/batt-post 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 Skirmisher/batt-post 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 Skirmisher/batt-post
[INFO] finished frobbing Skirmisher/batt-post
[INFO] frobbed toml for Skirmisher/batt-post written to work/ex/beta-1.37-6/sources/1.36.0/gh/Skirmisher/batt-post/Cargo.toml
[INFO] started frobbing Skirmisher/batt-post
[INFO] finished frobbing Skirmisher/batt-post
[INFO] frobbed toml for Skirmisher/batt-post written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Skirmisher/batt-post/Cargo.toml
[INFO] crate Skirmisher/batt-post 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] [stderr]     Blocking waiting for file lock on package cache lock
[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 Skirmisher/batt-post 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/Skirmisher/batt-post:/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] 2091f556c002b74d21a9668e1757ac2b5f14e0439059c1b11b335820d302e18b
[INFO] running `"docker" "start" "-a" "2091f556c002b74d21a9668e1757ac2b5f14e0439059c1b11b335820d302e18b"`
[INFO] [stderr]    Compiling battery v0.7.1
[INFO] [stderr]    Compiling multisock v0.1.0
[INFO] [stderr]    Compiling uom v0.22.1
[INFO] [stderr]    Compiling batt-post v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SocketAddr`
[INFO] [stderr]  --> src/main.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use multisock::{SocketAddr,Stream};
[INFO] [stderr]   |                 ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `buf` is never read
[INFO] [stderr]   --> src/main.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut buf = String::new();
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.45s
[INFO] running `"docker" "inspect" "2091f556c002b74d21a9668e1757ac2b5f14e0439059c1b11b335820d302e18b"`
[INFO] running `"docker" "rm" "-f" "2091f556c002b74d21a9668e1757ac2b5f14e0439059c1b11b335820d302e18b"`
[INFO] [stdout] 2091f556c002b74d21a9668e1757ac2b5f14e0439059c1b11b335820d302e18b
[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/Skirmisher/batt-post:/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] 70c710b76ceb00857cb86bd76d51887d3fc2aa9a897fc3a9509b53ac0b3d4684
[INFO] running `"docker" "start" "-a" "70c710b76ceb00857cb86bd76d51887d3fc2aa9a897fc3a9509b53ac0b3d4684"`
[INFO] [stderr]    Compiling batt-post v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SocketAddr`
[INFO] [stderr]  --> src/main.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use multisock::{SocketAddr,Stream};
[INFO] [stderr]   |                 ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `buf` is never read
[INFO] [stderr]   --> src/main.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut buf = String::new();
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "70c710b76ceb00857cb86bd76d51887d3fc2aa9a897fc3a9509b53ac0b3d4684"`
[INFO] running `"docker" "rm" "-f" "70c710b76ceb00857cb86bd76d51887d3fc2aa9a897fc3a9509b53ac0b3d4684"`
[INFO] [stdout] 70c710b76ceb00857cb86bd76d51887d3fc2aa9a897fc3a9509b53ac0b3d4684
[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/Skirmisher/batt-post:/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] 8d643c6529a3ffe835820c56d32d8e5280fe674972f4c7e0cf59109ffd9e3134
[INFO] running `"docker" "start" "-a" "8d643c6529a3ffe835820c56d32d8e5280fe674972f4c7e0cf59109ffd9e3134"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/batt_post-aa4dadf7b985e8bd
[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" "8d643c6529a3ffe835820c56d32d8e5280fe674972f4c7e0cf59109ffd9e3134"`
[INFO] running `"docker" "rm" "-f" "8d643c6529a3ffe835820c56d32d8e5280fe674972f4c7e0cf59109ffd9e3134"`
[INFO] [stdout] 8d643c6529a3ffe835820c56d32d8e5280fe674972f4c7e0cf59109ffd9e3134