[INFO] cloning repository jonathan-s/cargo-example
[INFO] running `"git" "clone" "--bare" "git://github.com/jonathan-s/cargo-example.git" "work/cache/sources/gh/jonathan-s/cargo-example"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jonathan-s/cargo-example'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jonathan-s/cargo-example" "work/ex/beta-1.37-6/sources/1.36.0/gh/jonathan-s/cargo-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jonathan-s/cargo-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonathan-s/cargo-example" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonathan-s/cargo-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonathan-s/cargo-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 81e8771f4cfb1db758bfa9e3fdf250bc4dd2d33e
[INFO] sha for GitHub repo jonathan-s/cargo-example: 81e8771f4cfb1db758bfa9e3fdf250bc4dd2d33e
[INFO] validating manifest of jonathan-s/cargo-example 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 jonathan-s/cargo-example 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 jonathan-s/cargo-example
[INFO] finished frobbing jonathan-s/cargo-example
[INFO] frobbed toml for jonathan-s/cargo-example written to work/ex/beta-1.37-6/sources/1.36.0/gh/jonathan-s/cargo-example/Cargo.toml
[INFO] started frobbing jonathan-s/cargo-example
[INFO] finished frobbing jonathan-s/cargo-example
[INFO] frobbed toml for jonathan-s/cargo-example written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonathan-s/cargo-example/Cargo.toml
[INFO] crate jonathan-s/cargo-example 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] testing jonathan-s/cargo-example 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/gh/jonathan-s/cargo-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5efa161dc6b17df07ff25ce70be34cb7e3ca84d7bc60bef52f2c7131d98cd771
[INFO] running `"docker" "start" "-a" "5efa161dc6b17df07ff25ce70be34cb7e3ca84d7bc60bef52f2c7131d98cd771"`
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling backtrace v0.3.31
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.21
[INFO] [stderr]    Compiling hyper v0.12.31
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.18
[INFO] [stderr]    Compiling cargo-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clap::SubCommand`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use clap::SubCommand;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `crate_`
[INFO] [stderr]   --> src/lib.rs:37:20
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn execute_example(crate_: &str, example: &str) {
[INFO] [stderr]    |                    ^^^^^^ help: consider prefixing with an underscore: `_crate_`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `example`
[INFO] [stderr]   --> src/lib.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn execute_example(crate_: &str, example: &str) {
[INFO] [stderr]    |                                  ^^^^^^^ help: consider prefixing with an underscore: `_example`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `crate_`
[INFO] [stderr]   --> src/lib.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn list_examples(crate_: &str) {
[INFO] [stderr]    |                  ^^^^^^ help: consider prefixing with an underscore: `_crate_`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_directory`
[INFO] [stderr]   --> src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn create_directory() -> Result<&'static str, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `request_crate`
[INFO] [stderr]   --> src/lib.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn request_crate(crate_: &str) -> &str{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let command = &matches.subcommand;
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `"docker" "inspect" "5efa161dc6b17df07ff25ce70be34cb7e3ca84d7bc60bef52f2c7131d98cd771"`
[INFO] running `"docker" "rm" "-f" "5efa161dc6b17df07ff25ce70be34cb7e3ca84d7bc60bef52f2c7131d98cd771"`
[INFO] [stdout] 5efa161dc6b17df07ff25ce70be34cb7e3ca84d7bc60bef52f2c7131d98cd771
[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/gh/jonathan-s/cargo-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9e5bd3218bff1f30adbd572091b5363ba92100c1a7f16eda5c16b34335044a91
[INFO] running `"docker" "start" "-a" "9e5bd3218bff1f30adbd572091b5363ba92100c1a7f16eda5c16b34335044a91"`
[INFO] [stderr]    Compiling cargo-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clap::SubCommand`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use clap::SubCommand;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `crate_`
[INFO] [stderr]   --> src/lib.rs:37:20
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn execute_example(crate_: &str, example: &str) {
[INFO] [stderr]    |                    ^^^^^^ help: consider prefixing with an underscore: `_crate_`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `example`
[INFO] [stderr]   --> src/lib.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn execute_example(crate_: &str, example: &str) {
[INFO] [stderr]    |                                  ^^^^^^^ help: consider prefixing with an underscore: `_example`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `crate_`
[INFO] [stderr]   --> src/lib.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn list_examples(crate_: &str) {
[INFO] [stderr]    |                  ^^^^^^ help: consider prefixing with an underscore: `_crate_`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_directory`
[INFO] [stderr]   --> src/lib.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn create_directory() -> Result<&'static str, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let command = &matches.subcommand;
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.47s
[INFO] running `"docker" "inspect" "9e5bd3218bff1f30adbd572091b5363ba92100c1a7f16eda5c16b34335044a91"`
[INFO] running `"docker" "rm" "-f" "9e5bd3218bff1f30adbd572091b5363ba92100c1a7f16eda5c16b34335044a91"`
[INFO] [stdout] 9e5bd3218bff1f30adbd572091b5363ba92100c1a7f16eda5c16b34335044a91
[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/gh/jonathan-s/cargo-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 34840a49d1845686970722f42d8477d93aece6b6beb72cbdee73660214b62a8d
[INFO] running `"docker" "start" "-a" "34840a49d1845686970722f42d8477d93aece6b6beb72cbdee73660214b62a8d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_example-e59b1b36ebe90b1a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_request_crate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_example-e7439ae7eae87b4f
[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] [stderr]    Doc-tests cargo-example
[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" "34840a49d1845686970722f42d8477d93aece6b6beb72cbdee73660214b62a8d"`
[INFO] running `"docker" "rm" "-f" "34840a49d1845686970722f42d8477d93aece6b6beb72cbdee73660214b62a8d"`
[INFO] [stdout] 34840a49d1845686970722f42d8477d93aece6b6beb72cbdee73660214b62a8d