[INFO] crate sozuctl 0.11.0 is already in cache
[INFO] extracting crate sozuctl 0.11.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/sozuctl/0.11.0
[INFO] extracting crate sozuctl 0.11.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sozuctl/0.11.0
[INFO] validating manifest of sozuctl-0.11.0 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 sozuctl-0.11.0 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 sozuctl-0.11.0
[INFO] finished frobbing sozuctl-0.11.0
[INFO] frobbed toml for sozuctl-0.11.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/sozuctl/0.11.0/Cargo.toml
[INFO] started frobbing sozuctl-0.11.0
[INFO] finished frobbing sozuctl-0.11.0
[INFO] frobbed toml for sozuctl-0.11.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sozuctl/0.11.0/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 sozuctl-0.11.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/sozuctl/0.11.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 0a51a3ef558435e35c56a59c7c00cc312c63fa858a81f7f9a8aa3cc65140fefe
[INFO] running `"docker" "start" "-a" "0a51a3ef558435e35c56a59c7c00cc312c63fa858a81f7f9a8aa3cc65140fefe"`
[INFO] [stderr]    Compiling sozuctl v0.11.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling pool v0.1.4
[INFO] [stderr]    Compiling pem v0.5.1
[INFO] [stderr]    Compiling prettytable-rs v0.7.0
[INFO] [stderr]    Compiling sozu-command-lib v0.11.0
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:529:17
[INFO] [stderr]     |
[INFO] [stderr] 529 |             let mut h2: HashMap<u32, String> = if let Ok(mut state) = st.try_lock() {
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:529:58
[INFO] [stderr]     |
[INFO] [stderr] 529 |             let mut h2: HashMap<u32, String> = if let Ok(mut state) = st.try_lock() {
[INFO] [stderr]     |                                                          ----^^^^^
[INFO] [stderr]     |                                                          |
[INFO] [stderr]     |                                                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:604:56
[INFO] [stderr]     |
[INFO] [stderr] 604 |               if let Some(CommandResponseData::Metrics(mut data)) = message.data {
[INFO] [stderr]     |                                                        ----^^^^
[INFO] [stderr]     |                                                        |
[INFO] [stderr]     |                                                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:947:19
[INFO] [stderr]     |
[INFO] [stderr] 947 |               let mut application_headers = vec!["id", "sticky_session", "https_redirect"];
[INFO] [stderr]     |                   ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:950:19
[INFO] [stderr]     |
[INFO] [stderr] 950 |               let mut http_headers = vec!["id", "hostname", "path begin"];
[INFO] [stderr]     |                   ----^^^^^^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:953:19
[INFO] [stderr]     |
[INFO] [stderr] 953 |               let mut https_headers = vec!["id", "hostname", "path begin"];
[INFO] [stderr]     |                   ----^^^^^^^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:956:19
[INFO] [stderr]     |
[INFO] [stderr] 956 |               let mut tcp_headers = vec!["id", "address"];
[INFO] [stderr]     |                   ----^^^^^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:959:19
[INFO] [stderr]     |
[INFO] [stderr] 959 |               let mut backend_headers = vec!["backend id", "IP address", "Backup"];
[INFO] [stderr]     |                   ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:974:25
[INFO] [stderr]     |
[INFO] [stderr] 974 |                     let mut entry = application_data.entry(app).or_insert(Vec::new());
[INFO] [stderr]     |                         ----^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:978:27
[INFO] [stderr]     |
[INFO] [stderr] 978 |                       let mut entry = frontend_data.entry(frontend).or_insert(Vec::new());
[INFO] [stderr]     |                           ----^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:983:27
[INFO] [stderr]     |
[INFO] [stderr] 983 |                       let mut entry = https_frontend_data.entry(frontend).or_insert(Vec::new());
[INFO] [stderr]     |                           ----^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:988:27
[INFO] [stderr]     |
[INFO] [stderr] 988 |                       let mut entry = tcp_frontend_data.entry(frontend).or_insert(Vec::new());
[INFO] [stderr]     |                           ----^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:993:27
[INFO] [stderr]     |
[INFO] [stderr] 993 |                       let mut entry = backend_data.entry(backend).or_insert(Vec::new());
[INFO] [stderr]     |                           ----^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.70s
[INFO] running `"docker" "inspect" "0a51a3ef558435e35c56a59c7c00cc312c63fa858a81f7f9a8aa3cc65140fefe"`
[INFO] running `"docker" "rm" "-f" "0a51a3ef558435e35c56a59c7c00cc312c63fa858a81f7f9a8aa3cc65140fefe"`
[INFO] [stdout] 0a51a3ef558435e35c56a59c7c00cc312c63fa858a81f7f9a8aa3cc65140fefe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/sozuctl/0.11.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e033b00a460378c16ea9305884bc13708c94afc3512b64a707b3f0f563431f9e
[INFO] running `"docker" "start" "-a" "e033b00a460378c16ea9305884bc13708c94afc3512b64a707b3f0f563431f9e"`
[INFO] [stderr]    Compiling sozuctl v0.11.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:529:17
[INFO] [stderr]     |
[INFO] [stderr] 529 |             let mut h2: HashMap<u32, String> = if let Ok(mut state) = st.try_lock() {
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:529:58
[INFO] [stderr]     |
[INFO] [stderr] 529 |             let mut h2: HashMap<u32, String> = if let Ok(mut state) = st.try_lock() {
[INFO] [stderr]     |                                                          ----^^^^^
[INFO] [stderr]     |                                                          |
[INFO] [stderr]     |                                                          help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:604:56
[INFO] [stderr]     |
[INFO] [stderr] 604 |               if let Some(CommandResponseData::Metrics(mut data)) = message.data {
[INFO] [stderr]     |                                                        ----^^^^
[INFO] [stderr]     |                                                        |
[INFO] [stderr]     |                                                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:947:19
[INFO] [stderr]     |
[INFO] [stderr] 947 |               let mut application_headers = vec!["id", "sticky_session", "https_redirect"];
[INFO] [stderr]     |                   ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:950:19
[INFO] [stderr]     |
[INFO] [stderr] 950 |               let mut http_headers = vec!["id", "hostname", "path begin"];
[INFO] [stderr]     |                   ----^^^^^^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:953:19
[INFO] [stderr]     |
[INFO] [stderr] 953 |               let mut https_headers = vec!["id", "hostname", "path begin"];
[INFO] [stderr]     |                   ----^^^^^^^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:956:19
[INFO] [stderr]     |
[INFO] [stderr] 956 |               let mut tcp_headers = vec!["id", "address"];
[INFO] [stderr]     |                   ----^^^^^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:959:19
[INFO] [stderr]     |
[INFO] [stderr] 959 |               let mut backend_headers = vec!["backend id", "IP address", "Backup"];
[INFO] [stderr]     |                   ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:974:25
[INFO] [stderr]     |
[INFO] [stderr] 974 |                     let mut entry = application_data.entry(app).or_insert(Vec::new());
[INFO] [stderr]     |                         ----^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:978:27
[INFO] [stderr]     |
[INFO] [stderr] 978 |                       let mut entry = frontend_data.entry(frontend).or_insert(Vec::new());
[INFO] [stderr]     |                           ----^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:983:27
[INFO] [stderr]     |
[INFO] [stderr] 983 |                       let mut entry = https_frontend_data.entry(frontend).or_insert(Vec::new());
[INFO] [stderr]     |                           ----^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:988:27
[INFO] [stderr]     |
[INFO] [stderr] 988 |                       let mut entry = tcp_frontend_data.entry(frontend).or_insert(Vec::new());
[INFO] [stderr]     |                           ----^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/command.rs:993:27
[INFO] [stderr]     |
[INFO] [stderr] 993 |                       let mut entry = backend_data.entry(backend).or_insert(Vec::new());
[INFO] [stderr]     |                           ----^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `"docker" "inspect" "e033b00a460378c16ea9305884bc13708c94afc3512b64a707b3f0f563431f9e"`
[INFO] running `"docker" "rm" "-f" "e033b00a460378c16ea9305884bc13708c94afc3512b64a707b3f0f563431f9e"`
[INFO] [stdout] e033b00a460378c16ea9305884bc13708c94afc3512b64a707b3f0f563431f9e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/sozuctl/0.11.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 7fc42171246f331a1a0c4998256b7107689baf7f484c2c67c433ae89e4f692d5
[INFO] running `"docker" "start" "-a" "7fc42171246f331a1a0c4998256b7107689baf7f484c2c67c433ae89e4f692d5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sozuctl-ae9bae42d53b10c8
[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" "7fc42171246f331a1a0c4998256b7107689baf7f484c2c67c433ae89e4f692d5"`
[INFO] running `"docker" "rm" "-f" "7fc42171246f331a1a0c4998256b7107689baf7f484c2c67c433ae89e4f692d5"`
[INFO] [stdout] 7fc42171246f331a1a0c4998256b7107689baf7f484c2c67c433ae89e4f692d5