[INFO] updating cached repository Mandar-Shinde/rust-alerts
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Mandar-Shinde/rust-alerts
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Mandar-Shinde/rust-alerts" "work/ex/beta-1.38-1/sources/1.37.0/gh/Mandar-Shinde/rust-alerts"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Mandar-Shinde/rust-alerts'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Mandar-Shinde/rust-alerts" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mandar-Shinde/rust-alerts"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mandar-Shinde/rust-alerts'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5ff886e60b719e9250a50ac41abe3c8b70195b93
[INFO] sha for GitHub repo Mandar-Shinde/rust-alerts: 5ff886e60b719e9250a50ac41abe3c8b70195b93
[INFO] validating manifest of Mandar-Shinde/rust-alerts on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Mandar-Shinde/rust-alerts on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Mandar-Shinde/rust-alerts
[INFO] finished frobbing Mandar-Shinde/rust-alerts
[INFO] frobbed toml for Mandar-Shinde/rust-alerts written to work/ex/beta-1.38-1/sources/1.37.0/gh/Mandar-Shinde/rust-alerts/Cargo.toml
[INFO] started frobbing Mandar-Shinde/rust-alerts
[INFO] finished frobbing Mandar-Shinde/rust-alerts
[INFO] frobbed toml for Mandar-Shinde/rust-alerts written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Mandar-Shinde/rust-alerts/Cargo.toml
[INFO] crate Mandar-Shinde/rust-alerts already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Mandar-Shinde/rust-alerts against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Mandar-Shinde/rust-alerts:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 23b92b81379575ac372a043b6fe6551a17b9827785e116d440a30299b0d66f4c
[INFO] running `"docker" "start" "-a" "23b92b81379575ac372a043b6fe6551a17b9827785e116d440a30299b0d66f4c"`
[INFO] [stderr]    Compiling alerts v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `head`
[INFO] [stderr]   --> src/alert.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn alert_message(head: &str,msg: &str,_wflags: i32) -> Result<(), Error> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_head`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "23b92b81379575ac372a043b6fe6551a17b9827785e116d440a30299b0d66f4c"`
[INFO] running `"docker" "rm" "-f" "23b92b81379575ac372a043b6fe6551a17b9827785e116d440a30299b0d66f4c"`
[INFO] [stdout] 23b92b81379575ac372a043b6fe6551a17b9827785e116d440a30299b0d66f4c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Mandar-Shinde/rust-alerts:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 77d16f167cdefac57578bc12196c48e5fec3ce92a503126b059f8e5420164b2e
[INFO] running `"docker" "start" "-a" "77d16f167cdefac57578bc12196c48e5fec3ce92a503126b059f8e5420164b2e"`
[INFO] [stderr]    Compiling alerts v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `head`
[INFO] [stderr]   --> src/alert.rs:33:18
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn alert_message(head: &str,msg: &str,_wflags: i32) -> Result<(), Error> {
[INFO] [stderr]    |                  ^^^^ help: consider prefixing with an underscore: `_head`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "77d16f167cdefac57578bc12196c48e5fec3ce92a503126b059f8e5420164b2e"`
[INFO] running `"docker" "rm" "-f" "77d16f167cdefac57578bc12196c48e5fec3ce92a503126b059f8e5420164b2e"`
[INFO] [stdout] 77d16f167cdefac57578bc12196c48e5fec3ce92a503126b059f8e5420164b2e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Mandar-Shinde/rust-alerts:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a11892eb313deba779d72471a4f4a683e9b8f08c77d11e48b18bdefc6062083b
[INFO] running `"docker" "start" "-a" "a11892eb313deba779d72471a4f4a683e9b8f08c77d11e48b18bdefc6062083b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/alert-d30adf7886c1b0b6
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alert
[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 1 test
[INFO] [stdout] test src/alert.rs -  (line 6) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/alert.rs -  (line 6) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `alerts`
[INFO] [stdout]  --> src/alert.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate alerts;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/alert.rs -  (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "a11892eb313deba779d72471a4f4a683e9b8f08c77d11e48b18bdefc6062083b"`
[INFO] running `"docker" "rm" "-f" "a11892eb313deba779d72471a4f4a683e9b8f08c77d11e48b18bdefc6062083b"`
[INFO] [stdout] a11892eb313deba779d72471a4f4a683e9b8f08c77d11e48b18bdefc6062083b