Dec 19 17:32:05.781 INFO checking eiko/turtle_shell against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:32:05.781 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/eiko/turtle_shell:/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=forbid" "-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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:32:06.260 INFO [stdout] 6edb4cb98abd05f3694c1e16034a4e4ada8dfc815c282489fe72196cd83cab6e
Dec 19 17:32:06.268 INFO running `"docker" "start" "-a" "6edb4cb98abd05f3694c1e16034a4e4ada8dfc815c282489fe72196cd83cab6e"`
Dec 19 17:32:07.268 INFO [stderr]    Compiling gdk-pixbuf v0.1.2
Dec 19 17:32:07.268 INFO [stderr]    Compiling gio v0.1.2
Dec 19 17:32:07.280 INFO [stderr]    Compiling cairo-rs v0.1.2
Dec 19 17:32:07.280 INFO [stderr]    Compiling gdk v0.5.2
Dec 19 17:32:07.284 INFO [stderr]    Compiling gtk v0.1.2
Dec 19 17:32:07.292 INFO [stderr]    Compiling gio-sys v0.3.3
Dec 19 17:32:07.292 INFO [stderr]    Compiling pango-sys v0.3.3
Dec 19 17:32:07.292 INFO [stderr]    Compiling gdk-pixbuf-sys v0.3.3
Dec 19 17:32:08.468 INFO [stderr]    Compiling cairo-sys-rs v0.3.3
Dec 19 17:32:08.567 INFO [stderr]    Compiling gdk-sys v0.3.3
Dec 19 17:32:08.567 INFO [stderr]    Compiling gtk-sys v0.3.3
Dec 19 17:32:11.057 INFO [stderr]     Checking pango v0.1.2
Dec 19 17:32:36.952 INFO [stderr]     Checking turtle_shell v0.1.0 (/opt/crater/workdir)
Dec 19 17:32:37.200 INFO [stderr] warning: unused import: `std::path::Path`
Dec 19 17:32:37.200 INFO [stderr]  --> src/main.rs:3:5
Dec 19 17:32:37.200 INFO [stderr]   |
Dec 19 17:32:37.200 INFO [stderr] 3 | use std::path::Path;
Dec 19 17:32:37.200 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 17:32:37.200 INFO [stderr]   |
Dec 19 17:32:37.200 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:32:37.200 INFO [stderr] 
Dec 19 17:32:37.200 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 17:32:37.200 INFO [stderr]  --> src/core.rs:2:5
Dec 19 17:32:37.200 INFO [stderr]   |
Dec 19 17:32:37.200 INFO [stderr] 2 | use std::collections::HashMap;
Dec 19 17:32:37.200 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.200 INFO [stderr] 
Dec 19 17:32:37.240 INFO [stderr] warning: unused import: `std::path::Path`
Dec 19 17:32:37.240 INFO [stderr]  --> src/main.rs:3:5
Dec 19 17:32:37.240 INFO [stderr]   |
Dec 19 17:32:37.240 INFO [stderr] 3 | use std::path::Path;
Dec 19 17:32:37.240 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 17:32:37.240 INFO [stderr]   |
Dec 19 17:32:37.240 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:32:37.240 INFO [stderr] 
Dec 19 17:32:37.240 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 17:32:37.240 INFO [stderr]  --> src/core.rs:2:5
Dec 19 17:32:37.240 INFO [stderr]   |
Dec 19 17:32:37.240 INFO [stderr] 2 | use std::collections::HashMap;
Dec 19 17:32:37.240 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.240 INFO [stderr] 
Dec 19 17:32:37.296 INFO [stderr] warning: unused variable: `params`
Dec 19 17:32:37.296 INFO [stderr]    --> src/core.rs:173:19
Dec 19 17:32:37.296 INFO [stderr]     |
Dec 19 17:32:37.296 INFO [stderr] 173 |     fn ask(&self, params: Vec<String>) -> Result<String, String> {
Dec 19 17:32:37.296 INFO [stderr]     |                   ^^^^^^ help: consider using `_params` instead
Dec 19 17:32:37.296 INFO [stderr]     |
Dec 19 17:32:37.296 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 17:32:37.296 INFO [stderr] 
Dec 19 17:32:37.328 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:32:37.328 INFO [stderr]   --> src/turbin.rs:26:38
Dec 19 17:32:37.328 INFO [stderr]    |
Dec 19 17:32:37.328 INFO [stderr] 26 |     fn receive(&self, message: &str, mut params: Vec<String>) -> String {
Dec 19 17:32:37.328 INFO [stderr]    |                                      ----^^^^^^
Dec 19 17:32:37.328 INFO [stderr]    |                                      |
Dec 19 17:32:37.328 INFO [stderr]    |                                      help: remove this `mut`
Dec 19 17:32:37.328 INFO [stderr]    |
Dec 19 17:32:37.328 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 17:32:37.328 INFO [stderr] 
Dec 19 17:32:37.352 INFO [stderr] warning: unused variable: `params`
Dec 19 17:32:37.352 INFO [stderr]    --> src/core.rs:173:19
Dec 19 17:32:37.352 INFO [stderr]     |
Dec 19 17:32:37.352 INFO [stderr] 173 |     fn ask(&self, params: Vec<String>) -> Result<String, String> {
Dec 19 17:32:37.352 INFO [stderr]     |                   ^^^^^^ help: consider using `_params` instead
Dec 19 17:32:37.352 INFO [stderr]     |
Dec 19 17:32:37.352 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 17:32:37.352 INFO [stderr] 
Dec 19 17:32:37.360 INFO [stderr] warning: method is never used: `name`
Dec 19 17:32:37.360 INFO [stderr]  --> src/core.rs:9:5
Dec 19 17:32:37.360 INFO [stderr]   |
Dec 19 17:32:37.360 INFO [stderr] 9 |     pub fn name(&self) -> String {
Dec 19 17:32:37.360 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.360 INFO [stderr]   |
Dec 19 17:32:37.360 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 17:32:37.360 INFO [stderr] 
Dec 19 17:32:37.360 INFO [stderr] warning: method is never used: `load`
Dec 19 17:32:37.360 INFO [stderr]   --> src/core.rs:12:5
Dec 19 17:32:37.360 INFO [stderr]    |
Dec 19 17:32:37.360 INFO [stderr] 12 |     pub fn load(&self) -> bool {
Dec 19 17:32:37.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.360 INFO [stderr] 
Dec 19 17:32:37.360 INFO [stderr] warning: method is never used: `load_plugin`
Dec 19 17:32:37.360 INFO [stderr]   --> src/main.rs:52:5
Dec 19 17:32:37.360 INFO [stderr]    |
Dec 19 17:32:37.360 INFO [stderr] 52 |     fn load_plugin(&mut self, plugin: &'a Plugin) -> bool {
Dec 19 17:32:37.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.360 INFO [stderr] 
Dec 19 17:32:37.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:37.361 INFO [stderr]    --> src/core.rs:175:9
Dec 19 17:32:37.361 INFO [stderr]     |
Dec 19 17:32:37.361 INFO [stderr] 175 |         io::stdout().flush();
Dec 19 17:32:37.361 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.361 INFO [stderr]     |
Dec 19 17:32:37.361 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 17:32:37.361 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:37.361 INFO [stderr] 
Dec 19 17:32:37.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:37.361 INFO [stderr]    --> src/core.rs:191:9
Dec 19 17:32:37.361 INFO [stderr]     |
Dec 19 17:32:37.361 INFO [stderr] 191 |         io::stdout().flush();
Dec 19 17:32:37.361 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.361 INFO [stderr]     |
Dec 19 17:32:37.361 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:37.361 INFO [stderr] 
Dec 19 17:32:37.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:37.361 INFO [stderr]    --> src/core.rs:200:9
Dec 19 17:32:37.361 INFO [stderr]     |
Dec 19 17:32:37.361 INFO [stderr] 200 |         io::stdout().flush();
Dec 19 17:32:37.365 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.365 INFO [stderr]     |
Dec 19 17:32:37.366 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:37.366 INFO [stderr] 
Dec 19 17:32:37.372 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:32:37.372 INFO [stderr]   --> src/turbin.rs:26:38
Dec 19 17:32:37.372 INFO [stderr]    |
Dec 19 17:32:37.372 INFO [stderr] 26 |     fn receive(&self, message: &str, mut params: Vec<String>) -> String {
Dec 19 17:32:37.372 INFO [stderr]    |                                      ----^^^^^^
Dec 19 17:32:37.372 INFO [stderr]    |                                      |
Dec 19 17:32:37.372 INFO [stderr]    |                                      help: remove this `mut`
Dec 19 17:32:37.372 INFO [stderr]    |
Dec 19 17:32:37.372 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 17:32:37.372 INFO [stderr] 
Dec 19 17:32:37.396 INFO [stderr] warning: method is never used: `name`
Dec 19 17:32:37.396 INFO [stderr]  --> src/core.rs:9:5
Dec 19 17:32:37.396 INFO [stderr]   |
Dec 19 17:32:37.396 INFO [stderr] 9 |     pub fn name(&self) -> String {
Dec 19 17:32:37.396 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.396 INFO [stderr]   |
Dec 19 17:32:37.396 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 17:32:37.396 INFO [stderr] 
Dec 19 17:32:37.396 INFO [stderr] warning: method is never used: `load`
Dec 19 17:32:37.396 INFO [stderr]   --> src/core.rs:12:5
Dec 19 17:32:37.396 INFO [stderr]    |
Dec 19 17:32:37.396 INFO [stderr] 12 |     pub fn load(&self) -> bool {
Dec 19 17:32:37.396 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.396 INFO [stderr] 
Dec 19 17:32:37.396 INFO [stderr] warning: method is never used: `load_plugin`
Dec 19 17:32:37.396 INFO [stderr]   --> src/main.rs:52:5
Dec 19 17:32:37.396 INFO [stderr]    |
Dec 19 17:32:37.396 INFO [stderr] 52 |     fn load_plugin(&mut self, plugin: &'a Plugin) -> bool {
Dec 19 17:32:37.396 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.396 INFO [stderr] 
Dec 19 17:32:37.396 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:37.396 INFO [stderr]    --> src/core.rs:175:9
Dec 19 17:32:37.396 INFO [stderr]     |
Dec 19 17:32:37.396 INFO [stderr] 175 |         io::stdout().flush();
Dec 19 17:32:37.396 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.396 INFO [stderr]     |
Dec 19 17:32:37.396 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 17:32:37.396 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:37.397 INFO [stderr] 
Dec 19 17:32:37.400 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:37.401 INFO [stderr]    --> src/core.rs:191:9
Dec 19 17:32:37.401 INFO [stderr]     |
Dec 19 17:32:37.401 INFO [stderr] 191 |         io::stdout().flush();
Dec 19 17:32:37.401 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.401 INFO [stderr]     |
Dec 19 17:32:37.401 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:37.401 INFO [stderr] 
Dec 19 17:32:37.401 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:37.401 INFO [stderr]    --> src/core.rs:200:9
Dec 19 17:32:37.401 INFO [stderr]     |
Dec 19 17:32:37.401 INFO [stderr] 200 |         io::stdout().flush();
Dec 19 17:32:37.401 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.401 INFO [stderr]     |
Dec 19 17:32:37.401 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:37.401 INFO [stderr] 
Dec 19 17:32:37.424 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.29s
Dec 19 17:32:38.368 INFO running `"docker" "inspect" "6edb4cb98abd05f3694c1e16034a4e4ada8dfc815c282489fe72196cd83cab6e"`
Dec 19 17:32:38.684 INFO running `"docker" "rm" "-f" "6edb4cb98abd05f3694c1e16034a4e4ada8dfc815c282489fe72196cd83cab6e"`
Dec 19 17:32:38.980 INFO [stdout] 6edb4cb98abd05f3694c1e16034a4e4ada8dfc815c282489fe72196cd83cab6e