[INFO] updating cached repository dave-leeper/rusty_spider_server [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/dave-leeper/rusty_spider_server [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/dave-leeper/rusty_spider_server" "work/ex/beta-1.38-1/sources/1.37.0/gh/dave-leeper/rusty_spider_server"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dave-leeper/rusty_spider_server'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/dave-leeper/rusty_spider_server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dave-leeper/rusty_spider_server"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dave-leeper/rusty_spider_server'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] da4932cf474d232c36d37f1881c1bb29509fec4f [INFO] sha for GitHub repo dave-leeper/rusty_spider_server: da4932cf474d232c36d37f1881c1bb29509fec4f [INFO] validating manifest of dave-leeper/rusty_spider_server 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 dave-leeper/rusty_spider_server 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 dave-leeper/rusty_spider_server [INFO] finished frobbing dave-leeper/rusty_spider_server [INFO] frobbed toml for dave-leeper/rusty_spider_server written to work/ex/beta-1.38-1/sources/1.37.0/gh/dave-leeper/rusty_spider_server/Cargo.toml [INFO] started frobbing dave-leeper/rusty_spider_server [INFO] finished frobbing dave-leeper/rusty_spider_server [INFO] frobbed toml for dave-leeper/rusty_spider_server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dave-leeper/rusty_spider_server/Cargo.toml [INFO] crate dave-leeper/rusty_spider_server 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 dave-leeper/rusty_spider_server 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dave-leeper/rusty_spider_server:/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] f76c92f683e7fbca9809c7e354156da66de896d3064243fb80b5147d296de723 [INFO] running `"docker" "start" "-a" "f76c92f683e7fbca9809c7e354156da66de896d3064243fb80b5147d296de723"` [INFO] [stderr] Compiling smallvec v0.6.2 [INFO] [stderr] Compiling log v0.4.2 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling clicolors-control v0.2.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling crossbeam-epoch v0.4.3 [INFO] [stderr] Compiling tokio-timer v0.2.4 [INFO] [stderr] Compiling lock_api v0.1.3 [INFO] [stderr] Compiling http v0.1.7 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling chrono v0.4.4 [INFO] [stderr] Compiling mio v0.6.14 [INFO] [stderr] Compiling tokio-io v0.1.7 [INFO] [stderr] Compiling want v0.0.5 [INFO] [stderr] Compiling crossbeam-deque v0.3.1 [INFO] [stderr] Compiling parking_lot v0.6.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.4 [INFO] [stderr] Compiling tokio-codec v0.1.0 [INFO] [stderr] Compiling tokio-reactor v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.1 [INFO] [stderr] Compiling tokio-udp v0.1.1 [INFO] [stderr] Compiling tokio-tcp v0.1.0 [INFO] [stderr] Compiling console v0.6.1 [INFO] [stderr] Compiling tokio v0.1.7 [INFO] [stderr] Compiling h2 v0.1.10 [INFO] [stderr] Compiling hyper v0.12.3 [INFO] [stderr] Compiling web_server v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `strings` [INFO] [stderr] --> src/i18n.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use strings; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std` [INFO] [stderr] --> src/config.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `config` [INFO] [stderr] --> src/router.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use config; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `hyper::service::service_fn` [INFO] [stderr] --> src/router.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use hyper::service::service_fn; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/mock_handler.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i18n` [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let i18n = &I18N; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_i18n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `response_type_holder` is never read [INFO] [stderr] --> src/config.rs:307:17 [INFO] [stderr] | [INFO] [stderr] 307 | let mut response_type_holder = "UNKNOWN"; [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] warning: value assigned to `hbs_data_option` is never read [INFO] [stderr] --> src/config.rs:329:17 [INFO] [stderr] | [INFO] [stderr] 329 | let mut hbs_data_option = None; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/config.rs:458:21 [INFO] [stderr] | [INFO] [stderr] 458 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/mock_handler.rs:107:22 [INFO] [stderr] | [INFO] [stderr] 107 | fn handle(&self, req: &Request, res: & mut Response, i18n: & i18n::I18n, request_info: &MockRequestInfo) -> Result>, log::StructuredError> { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_req` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/mock_handler.rs:107:43 [INFO] [stderr] | [INFO] [stderr] 107 | fn handle(&self, req: &Request, res: & mut Response, i18n: & i18n::I18n, request_info: &MockRequestInfo) -> Result>, log::StructuredError> { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/mock_handler.rs:139:13 [INFO] [stderr] | [INFO] [stderr] 139 | let mut response = Response::new(Body::from( contents )); [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: method is never used: `init` [INFO] [stderr] --> src/i18n.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn init(&mut self, locale: String, path: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `init` [INFO] [stderr] --> src/log.rs:200:5 [INFO] [stderr] | [INFO] [stderr] 200 | pub fn init(&mut self, level: Level, i18n: &i18n::I18n) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set` [INFO] [stderr] --> src/log.rs:210:5 [INFO] [stderr] | [INFO] [stderr] 210 | pub fn set(&mut self, level: Level) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `AUTHORIZATION_NOT_CONFIGURED` [INFO] [stderr] --> src/strings.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub static AUTHORIZATION_NOT_CONFIGURED: usize = 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `UNAUTHORIZED` [INFO] [stderr] --> src/strings.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub static UNAUTHORIZED: usize = 2; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `LOGIN_REQUIRED` [INFO] [stderr] --> src/strings.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | pub static LOGIN_REQUIRED: usize = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `INCORRECT_USER_NAME` [INFO] [stderr] --> src/strings.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub static INCORRECT_USER_NAME: usize = 4; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `INCORRECT_PASSWORD` [INFO] [stderr] --> src/strings.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub static INCORRECT_PASSWORD: usize = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `LOGIN_SUCCESSFUL` [INFO] [stderr] --> src/strings.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub static LOGIN_SUCCESSFUL: usize = 6; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `LISTENING_ON_PORT` [INFO] [stderr] --> src/strings.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub static LISTENING_ON_PORT: usize = 7; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `NO_FILE_SPECIFIED` [INFO] [stderr] --> src/strings.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | pub static NO_FILE_SPECIFIED: usize = 26; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `COUNT` [INFO] [stderr] --> src/strings.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | pub static COUNT: usize = 30; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.21s [INFO] running `"docker" "inspect" "f76c92f683e7fbca9809c7e354156da66de896d3064243fb80b5147d296de723"` [INFO] running `"docker" "rm" "-f" "f76c92f683e7fbca9809c7e354156da66de896d3064243fb80b5147d296de723"` [INFO] [stdout] f76c92f683e7fbca9809c7e354156da66de896d3064243fb80b5147d296de723 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dave-leeper/rusty_spider_server:/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] e4c5d278fdc059f8e9aa13738bb906b49d782f716d1127ad20b15949d453e724 [INFO] running `"docker" "start" "-a" "e4c5d278fdc059f8e9aa13738bb906b49d782f716d1127ad20b15949d453e724"` [INFO] [stderr] Compiling web_server v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std` [INFO] [stderr] --> src/config.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `config` [INFO] [stderr] --> src/router.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use config; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `hyper::service::service_fn` [INFO] [stderr] --> src/router.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use hyper::service::service_fn; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `hyper::Method` [INFO] [stderr] --> src/router.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | use hyper::Method; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `hyper::Uri` [INFO] [stderr] --> src/router.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | use hyper::Uri; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/mock_handler.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `hyper::Method` [INFO] [stderr] --> src/mock_handler.rs:160:9 [INFO] [stderr] | [INFO] [stderr] 160 | use hyper::Method; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `hyper::Uri` [INFO] [stderr] --> src/mock_handler.rs:161:9 [INFO] [stderr] | [INFO] [stderr] 161 | use hyper::Uri; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i18n` [INFO] [stderr] --> src/main.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let i18n = &I18N; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_i18n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `response_type_holder` is never read [INFO] [stderr] --> src/config.rs:307:17 [INFO] [stderr] | [INFO] [stderr] 307 | let mut response_type_holder = "UNKNOWN"; [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] warning: value assigned to `hbs_data_option` is never read [INFO] [stderr] --> src/config.rs:329:17 [INFO] [stderr] | [INFO] [stderr] 329 | let mut hbs_data_option = None; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/config.rs:458:21 [INFO] [stderr] | [INFO] [stderr] 458 | Err(e) => { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mock3` [INFO] [stderr] --> src/router.rs:82:13 [INFO] [stderr] | [INFO] [stderr] 82 | let mock3 = config::prelude::MockService { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_mock3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/mock_handler.rs:107:22 [INFO] [stderr] | [INFO] [stderr] 107 | fn handle(&self, req: &Request, res: & mut Response, i18n: & i18n::I18n, request_info: &MockRequestInfo) -> Result>, log::StructuredError> { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_req` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `res` [INFO] [stderr] --> src/mock_handler.rs:107:43 [INFO] [stderr] | [INFO] [stderr] 107 | fn handle(&self, req: &Request, res: & mut Response, i18n: & i18n::I18n, request_info: &MockRequestInfo) -> Result>, log::StructuredError> { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_res` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `some_response` [INFO] [stderr] --> src/mock_handler.rs:194:13 [INFO] [stderr] | [INFO] [stderr] 194 | let some_response = match unwrapped_result { [INFO] [stderr] | ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_some_response` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/mock_handler.rs:139:13 [INFO] [stderr] | [INFO] [stderr] 139 | let mut response = Response::new(Body::from( contents )); [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: method is never used: `init` [INFO] [stderr] --> src/i18n.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn init(&mut self, locale: String, path: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `NO_FILE_SPECIFIED` [INFO] [stderr] --> src/strings.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | pub static NO_FILE_SPECIFIED: usize = 26; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: Could not compile `web_server`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name web_server src/main.rs --color never --emit=dep-info,link -C debuginfo=2 --test -C metadata=86943af074e5bcc0 -C extra-filename=-86943af074e5bcc0 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern chrono=/opt/crater/target/debug/deps/libchrono-9f557b82c33213fc.rlib --extern console=/opt/crater/target/debug/deps/libconsole-556b4c1f66d3e878.rlib --extern hostname=/opt/crater/target/debug/deps/libhostname-1a6bfc38ab6eda24.rlib --extern hyper=/opt/crater/target/debug/deps/libhyper-cb282db60ef9bcff.rlib --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-159edd98394cf90d.rlib --extern serde=/opt/crater/target/debug/deps/libserde-8929913d6ecc5a47.rlib --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-95333e118bc5464b.so --extern serde_json=/opt/crater/target/debug/deps/libserde_json-a808934fd8213032.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill) [INFO] running `"docker" "inspect" "e4c5d278fdc059f8e9aa13738bb906b49d782f716d1127ad20b15949d453e724"` [INFO] running `"docker" "rm" "-f" "e4c5d278fdc059f8e9aa13738bb906b49d782f716d1127ad20b15949d453e724"` [INFO] [stdout] e4c5d278fdc059f8e9aa13738bb906b49d782f716d1127ad20b15949d453e724