[INFO] updating cached repository batisteo/checkboxes-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/batisteo/checkboxes-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/batisteo/checkboxes-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/batisteo/checkboxes-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/batisteo/checkboxes-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/batisteo/checkboxes-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/batisteo/checkboxes-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/batisteo/checkboxes-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a73bb3c63c8520372234489af72886a13b958c8
[INFO] sha for GitHub repo batisteo/checkboxes-example: 4a73bb3c63c8520372234489af72886a13b958c8
[INFO] validating manifest of batisteo/checkboxes-example 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 batisteo/checkboxes-example 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 batisteo/checkboxes-example
[INFO] finished frobbing batisteo/checkboxes-example
[INFO] frobbed toml for batisteo/checkboxes-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/batisteo/checkboxes-example/Cargo.toml
[INFO] started frobbing batisteo/checkboxes-example
[INFO] finished frobbing batisteo/checkboxes-example
[INFO] frobbed toml for batisteo/checkboxes-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/batisteo/checkboxes-example/Cargo.toml
[INFO] crate batisteo/checkboxes-example 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 batisteo/checkboxes-example 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/batisteo/checkboxes-example:/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] a440b2f485cb01c72f028886fc115d9f2b711d6f26cae597112f23a589aa791e
[INFO] running `"docker" "start" "-a" "a440b2f485cb01c72f028886fc115d9f2b711d6f26cae597112f23a589aa791e"`
[INFO] [stderr]    Compiling actix-service v0.4.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling string v0.2.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling actix-codec v0.1.2
[INFO] [stderr]    Compiling actix-utils v0.4.1
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling actix-rt v0.2.2
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling actix-server-config v0.1.1
[INFO] [stderr]    Compiling trust-dns-proto v0.7.4
[INFO] [stderr]    Compiling actix-server v0.5.1
[INFO] [stderr]    Compiling h2 v0.1.23
[INFO] [stderr]    Compiling actix-router v0.1.5
[INFO] [stderr]    Compiling trust-dns-resolver v0.11.1
[INFO] [stderr]    Compiling actix-connect v0.2.0
[INFO] [stderr]    Compiling actix-http v0.2.3
[INFO] [stderr]    Compiling awc v0.2.1
[INFO] [stderr]    Compiling actix-web v1.0.0
[INFO] [stderr]    Compiling checkboxes-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `identity`
[INFO] [stderr]   --> src/main.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let identity = id.identity();
[INFO] [stderr]    |                 ^^^^^^^^ help: consider prefixing with an underscore: `_identity`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `"docker" "inspect" "a440b2f485cb01c72f028886fc115d9f2b711d6f26cae597112f23a589aa791e"`
[INFO] running `"docker" "rm" "-f" "a440b2f485cb01c72f028886fc115d9f2b711d6f26cae597112f23a589aa791e"`
[INFO] [stdout] a440b2f485cb01c72f028886fc115d9f2b711d6f26cae597112f23a589aa791e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/batisteo/checkboxes-example:/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] 5167d39e0b324b442abb246353f5a19a72f1ce1fe29ba84568bea3f7e7e57cc8
[INFO] running `"docker" "start" "-a" "5167d39e0b324b442abb246353f5a19a72f1ce1fe29ba84568bea3f7e7e57cc8"`
[INFO] [stderr]    Compiling checkboxes-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `identity`
[INFO] [stderr]   --> src/main.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let identity = id.identity();
[INFO] [stderr]    |                 ^^^^^^^^ help: consider prefixing with an underscore: `_identity`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `"docker" "inspect" "5167d39e0b324b442abb246353f5a19a72f1ce1fe29ba84568bea3f7e7e57cc8"`
[INFO] running `"docker" "rm" "-f" "5167d39e0b324b442abb246353f5a19a72f1ce1fe29ba84568bea3f7e7e57cc8"`
[INFO] [stdout] 5167d39e0b324b442abb246353f5a19a72f1ce1fe29ba84568bea3f7e7e57cc8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/batisteo/checkboxes-example:/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] 3b32076eba8918c774b3860957cf18eee0f8df37296c1ce03aacadb8367db886
[INFO] running `"docker" "start" "-a" "3b32076eba8918c774b3860957cf18eee0f8df37296c1ce03aacadb8367db886"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/checkboxes_example-e0ddff02fba53506
[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" "3b32076eba8918c774b3860957cf18eee0f8df37296c1ce03aacadb8367db886"`
[INFO] running `"docker" "rm" "-f" "3b32076eba8918c774b3860957cf18eee0f8df37296c1ce03aacadb8367db886"`
[INFO] [stdout] 3b32076eba8918c774b3860957cf18eee0f8df37296c1ce03aacadb8367db886