Dec 19 17:32:06.346 INFO checking eiko/turtle_shell against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 17:32:06.347 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:32:06.715 INFO [stdout] 50dcf107e5903854406416e4c1655563410a4faa2bccefa1db2deb0e15c93a17
Dec 19 17:32:06.717 INFO running `"docker" "start" "-a" "50dcf107e5903854406416e4c1655563410a4faa2bccefa1db2deb0e15c93a17"`
Dec 19 17:32:08.077 INFO [stderr]    Compiling cairo-rs v0.1.2
Dec 19 17:32:08.077 INFO [stderr]    Compiling gio v0.1.2
Dec 19 17:32:08.077 INFO [stderr]    Compiling gdk-pixbuf v0.1.2
Dec 19 17:32:08.083 INFO [stderr]    Compiling gdk v0.5.2
Dec 19 17:32:08.083 INFO [stderr]    Compiling gtk v0.1.2
Dec 19 17:32:08.090 INFO [stderr]    Compiling gio-sys v0.3.3
Dec 19 17:32:08.100 INFO [stderr]    Compiling pango-sys v0.3.3
Dec 19 17:32:08.101 INFO [stderr]    Compiling gdk-pixbuf-sys v0.3.3
Dec 19 17:32:09.396 INFO [stderr]    Compiling cairo-sys-rs v0.3.3
Dec 19 17:32:09.448 INFO [stderr]    Compiling gdk-sys v0.3.3
Dec 19 17:32:09.592 INFO [stderr]    Compiling gtk-sys v0.3.3
Dec 19 17:32:11.977 INFO [stderr]     Checking pango v0.1.2
Dec 19 17:32:36.031 INFO [stderr]     Checking turtle_shell v0.1.0 (/opt/crater/workdir)
Dec 19 17:32:36.444 INFO [stderr] warning: unused import: `std::path::Path`
Dec 19 17:32:36.444 INFO [stderr]  --> src/main.rs:3:5
Dec 19 17:32:36.444 INFO [stderr]   |
Dec 19 17:32:36.444 INFO [stderr] 3 | use std::path::Path;
Dec 19 17:32:36.444 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 17:32:36.444 INFO [stderr]   |
Dec 19 17:32:36.444 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:32:36.444 INFO [stderr] 
Dec 19 17:32:36.448 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 17:32:36.448 INFO [stderr]  --> src/core.rs:2:5
Dec 19 17:32:36.448 INFO [stderr]   |
Dec 19 17:32:36.448 INFO [stderr] 2 | use std::collections::HashMap;
Dec 19 17:32:36.448 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:36.464 INFO [stderr] 
Dec 19 17:32:36.683 INFO [stderr] warning: unused import: `std::path::Path`
Dec 19 17:32:36.683 INFO [stderr]  --> src/main.rs:3:5
Dec 19 17:32:36.683 INFO [stderr]   |
Dec 19 17:32:36.683 INFO [stderr] 3 | use std::path::Path;
Dec 19 17:32:36.683 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 17:32:36.683 INFO [stderr]   |
Dec 19 17:32:36.683 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 17:32:36.683 INFO [stderr] 
Dec 19 17:32:36.683 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 17:32:36.683 INFO [stderr]  --> src/core.rs:2:5
Dec 19 17:32:36.683 INFO [stderr]   |
Dec 19 17:32:36.683 INFO [stderr] 2 | use std::collections::HashMap;
Dec 19 17:32:36.683 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:36.683 INFO [stderr] 
Dec 19 17:32:36.804 INFO [stderr] warning: unused variable: `params`
Dec 19 17:32:36.804 INFO [stderr]    --> src/core.rs:173:19
Dec 19 17:32:36.804 INFO [stderr]     |
Dec 19 17:32:36.804 INFO [stderr] 173 |     fn ask(&self, params: Vec<String>) -> Result<String, String> {
Dec 19 17:32:36.804 INFO [stderr]     |                   ^^^^^^ help: consider using `_params` instead
Dec 19 17:32:36.804 INFO [stderr]     |
Dec 19 17:32:36.804 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 17:32:36.804 INFO [stderr] 
Dec 19 17:32:36.860 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:32:36.860 INFO [stderr]   --> src/turbin.rs:26:38
Dec 19 17:32:36.860 INFO [stderr]    |
Dec 19 17:32:36.860 INFO [stderr] 26 |     fn receive(&self, message: &str, mut params: Vec<String>) -> String {
Dec 19 17:32:36.860 INFO [stderr]    |                                      ----^^^^^^
Dec 19 17:32:36.860 INFO [stderr]    |                                      |
Dec 19 17:32:36.860 INFO [stderr]    |                                      help: remove this `mut`
Dec 19 17:32:36.860 INFO [stderr]    |
Dec 19 17:32:36.860 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 17:32:36.860 INFO [stderr] 
Dec 19 17:32:36.926 INFO [stderr] warning: method is never used: `name`
Dec 19 17:32:36.926 INFO [stderr]  --> src/core.rs:9:5
Dec 19 17:32:36.927 INFO [stderr]   |
Dec 19 17:32:36.927 INFO [stderr] 9 |     pub fn name(&self) -> String {
Dec 19 17:32:36.927 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:36.927 INFO [stderr]   |
Dec 19 17:32:36.928 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 17:32:36.928 INFO [stderr] 
Dec 19 17:32:36.928 INFO [stderr] warning: method is never used: `load`
Dec 19 17:32:36.929 INFO [stderr]   --> src/core.rs:12:5
Dec 19 17:32:36.929 INFO [stderr]    |
Dec 19 17:32:36.929 INFO [stderr] 12 |     pub fn load(&self) -> bool {
Dec 19 17:32:36.930 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:36.930 INFO [stderr] 
Dec 19 17:32:36.930 INFO [stderr] warning: method is never used: `load_plugin`
Dec 19 17:32:36.930 INFO [stderr]   --> src/main.rs:52:5
Dec 19 17:32:36.930 INFO [stderr]    |
Dec 19 17:32:36.930 INFO [stderr] 52 |     fn load_plugin(&mut self, plugin: &'a Plugin) -> bool {
Dec 19 17:32:36.930 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:36.930 INFO [stderr] 
Dec 19 17:32:36.932 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:36.932 INFO [stderr]    --> src/core.rs:175:9
Dec 19 17:32:36.932 INFO [stderr]     |
Dec 19 17:32:36.932 INFO [stderr] 175 |         io::stdout().flush();
Dec 19 17:32:36.932 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:36.932 INFO [stderr]     |
Dec 19 17:32:36.932 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 17:32:36.932 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:36.932 INFO [stderr] 
Dec 19 17:32:36.933 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:36.933 INFO [stderr]    --> src/core.rs:191:9
Dec 19 17:32:36.933 INFO [stderr]     |
Dec 19 17:32:36.934 INFO [stderr] 191 |         io::stdout().flush();
Dec 19 17:32:36.934 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:36.934 INFO [stderr]     |
Dec 19 17:32:36.935 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:36.935 INFO [stderr] 
Dec 19 17:32:36.935 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:36.936 INFO [stderr]    --> src/core.rs:200:9
Dec 19 17:32:36.936 INFO [stderr]     |
Dec 19 17:32:36.936 INFO [stderr] 200 |         io::stdout().flush();
Dec 19 17:32:36.936 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:36.937 INFO [stderr]     |
Dec 19 17:32:36.937 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:36.937 INFO [stderr] 
Dec 19 17:32:36.996 INFO [stderr] warning: unused variable: `params`
Dec 19 17:32:36.996 INFO [stderr]    --> src/core.rs:173:19
Dec 19 17:32:36.996 INFO [stderr]     |
Dec 19 17:32:36.996 INFO [stderr] 173 |     fn ask(&self, params: Vec<String>) -> Result<String, String> {
Dec 19 17:32:36.996 INFO [stderr]     |                   ^^^^^^ help: consider using `_params` instead
Dec 19 17:32:36.996 INFO [stderr]     |
Dec 19 17:32:36.996 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 17:32:36.996 INFO [stderr] 
Dec 19 17:32:37.040 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:32:37.040 INFO [stderr]   --> src/turbin.rs:26:38
Dec 19 17:32:37.040 INFO [stderr]    |
Dec 19 17:32:37.040 INFO [stderr] 26 |     fn receive(&self, message: &str, mut params: Vec<String>) -> String {
Dec 19 17:32:37.040 INFO [stderr]    |                                      ----^^^^^^
Dec 19 17:32:37.040 INFO [stderr]    |                                      |
Dec 19 17:32:37.040 INFO [stderr]    |                                      help: remove this `mut`
Dec 19 17:32:37.040 INFO [stderr]    |
Dec 19 17:32:37.040 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 17:32:37.040 INFO [stderr] 
Dec 19 17:32:37.087 INFO [stderr] warning: method is never used: `name`
Dec 19 17:32:37.087 INFO [stderr]  --> src/core.rs:9:5
Dec 19 17:32:37.087 INFO [stderr]   |
Dec 19 17:32:37.087 INFO [stderr] 9 |     pub fn name(&self) -> String {
Dec 19 17:32:37.087 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.087 INFO [stderr]   |
Dec 19 17:32:37.087 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 17:32:37.087 INFO [stderr] 
Dec 19 17:32:37.087 INFO [stderr] warning: method is never used: `load`
Dec 19 17:32:37.087 INFO [stderr]   --> src/core.rs:12:5
Dec 19 17:32:37.087 INFO [stderr]    |
Dec 19 17:32:37.087 INFO [stderr] 12 |     pub fn load(&self) -> bool {
Dec 19 17:32:37.087 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.087 INFO [stderr] 
Dec 19 17:32:37.087 INFO [stderr] warning: method is never used: `load_plugin`
Dec 19 17:32:37.087 INFO [stderr]   --> src/main.rs:52:5
Dec 19 17:32:37.087 INFO [stderr]    |
Dec 19 17:32:37.088 INFO [stderr] 52 |     fn load_plugin(&mut self, plugin: &'a Plugin) -> bool {
Dec 19 17:32:37.088 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.088 INFO [stderr] 
Dec 19 17:32:37.088 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:37.088 INFO [stderr]    --> src/core.rs:175:9
Dec 19 17:32:37.088 INFO [stderr]     |
Dec 19 17:32:37.088 INFO [stderr] 175 |         io::stdout().flush();
Dec 19 17:32:37.088 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.088 INFO [stderr]     |
Dec 19 17:32:37.088 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 17:32:37.088 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:37.088 INFO [stderr] 
Dec 19 17:32:37.088 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:37.088 INFO [stderr]    --> src/core.rs:191:9
Dec 19 17:32:37.088 INFO [stderr]     |
Dec 19 17:32:37.088 INFO [stderr] 191 |         io::stdout().flush();
Dec 19 17:32:37.088 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.088 INFO [stderr]     |
Dec 19 17:32:37.088 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:37.088 INFO [stderr] 
Dec 19 17:32:37.088 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 17:32:37.088 INFO [stderr]    --> src/core.rs:200:9
Dec 19 17:32:37.088 INFO [stderr]     |
Dec 19 17:32:37.088 INFO [stderr] 200 |         io::stdout().flush();
Dec 19 17:32:37.088 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:37.088 INFO [stderr]     |
Dec 19 17:32:37.088 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 17:32:37.088 INFO [stderr] 
Dec 19 17:32:37.149 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.16s
Dec 19 17:32:38.029 INFO running `"docker" "inspect" "50dcf107e5903854406416e4c1655563410a4faa2bccefa1db2deb0e15c93a17"`
Dec 19 17:32:38.342 INFO running `"docker" "rm" "-f" "50dcf107e5903854406416e4c1655563410a4faa2bccefa1db2deb0e15c93a17"`
Dec 19 17:32:38.686 INFO [stdout] 50dcf107e5903854406416e4c1655563410a4faa2bccefa1db2deb0e15c93a17