[INFO] cloning repository https://github.com/NeedPainkillers/gtkexample
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NeedPainkillers/gtkexample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeedPainkillers%2Fgtkexample"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeedPainkillers%2Fgtkexample'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 74e6a0f7d993a7f95767c5b2767772b7ef62ce5f
[INFO] checking NeedPainkillers/gtkexample against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeedPainkillers%2Fgtkexample" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NeedPainkillers/gtkexample on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/NeedPainkillers/gtkexample
[INFO] finished tweaking git repo https://github.com/NeedPainkillers/gtkexample
[INFO] tweaked toml for git repo https://github.com/NeedPainkillers/gtkexample written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/NeedPainkillers/gtkexample already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a61dfff535b2b65eb23a3296aefaf9ca03394a5edc4186d52bbb5b5600b724f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a61dfff535b2b65eb23a3296aefaf9ca03394a5edc4186d52bbb5b5600b724f1"`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking gtkexample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `ApplicationWindow`, `Button`, `Grid`
[INFO] [stderr]   --> src/form.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | use gtk::{ApplicationWindow, Builder, Button, Grid, Entry};
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^           ^^^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gtk::MenuItem`
[INFO] [stderr]   --> src/form.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use gtk::MenuItem;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufWriter`
[INFO] [stderr]   --> src/form.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::io::BufWriter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]   --> src/form.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::env::args;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string`
[INFO] [stderr]  --> src/libs/model/student.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::string;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/libs/model/student.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::libs::app::app::app`
[INFO] [stderr]   --> src/libs/model/student.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::libs::app::app::app;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/libs/model/student.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/libs/model/student.rs:142:50
[INFO] [stderr]     |
[INFO] [stderr] 142 |         writer.write_all(text.as_bytes()).expect((format!("{0}{1}{2}", "Cannot write to file '", path, "'").as_str()));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/libs/model/student.rs:158:50
[INFO] [stderr]     |
[INFO] [stderr] 158 |         writer.write_all(text.as_bytes()).expect((format!("{0}", "Cannot write to file").as_str()));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::app::app`
[INFO] [stderr]  --> src/libs/model/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::app::app;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `app` should have an upper camel case name
[INFO] [stderr]  --> src/libs/app/app.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct app
[INFO] [stderr]   |            ^^^ help: convert the identifier to upper camel case: `App`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::model::*`
[INFO] [stderr]  --> src/libs/app/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::model::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libs::app`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use libs::app;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ApplicationWindow`, `Button`, `Grid`
[INFO] [stderr]   --> src/form.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | use gtk::{ApplicationWindow, Builder, Button, Grid, Entry};
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^           ^^^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gtk::MenuItem`
[INFO] [stderr]   --> src/form.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use gtk::MenuItem;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufWriter`
[INFO] [stderr]   --> src/form.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::io::BufWriter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]   --> src/form.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::env::args;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string`
[INFO] [stderr]  --> src/libs/model/student.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::string;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/libs/model/student.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::libs::app::app::app`
[INFO] [stderr]   --> src/libs/model/student.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::libs::app::app::app;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/libs/model/student.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/libs/model/student.rs:142:50
[INFO] [stderr]     |
[INFO] [stderr] 142 |         writer.write_all(text.as_bytes()).expect((format!("{0}{1}{2}", "Cannot write to file '", path, "'").as_str()));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/libs/model/student.rs:158:50
[INFO] [stderr]     |
[INFO] [stderr] 158 |         writer.write_all(text.as_bytes()).expect((format!("{0}", "Cannot write to file").as_str()));
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::app::app`
[INFO] [stderr]  --> src/libs/model/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::app::app;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `app` should have an upper camel case name
[INFO] [stderr]  --> src/libs/app/app.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct app
[INFO] [stderr]   |            ^^^ help: convert the identifier to upper camel case: `App`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::model::*`
[INFO] [stderr]  --> src/libs/app/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use super::model::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `libs::app`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use libs::app;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gtk::prelude`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use gtk::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gio::prelude`
[INFO] [stderr]  --> src/form.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use gio::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BorrowMut`
[INFO] [stderr]   --> src/libs/model/student.rs:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stderr]    |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Borrow`
[INFO] [stderr]   --> src/libs/model/student.rs:13:30
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stderr]    |                              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gtk::prelude`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use gtk::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gio::prelude`
[INFO] [stderr]  --> src/form.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use gio::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BorrowMut`
[INFO] [stderr]   --> src/libs/model/student.rs:13:19
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stderr]    |                   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Borrow`
[INFO] [stderr]   --> src/libs/model/student.rs:13:30
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stderr]    |                              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `"docker" "inspect" "a61dfff535b2b65eb23a3296aefaf9ca03394a5edc4186d52bbb5b5600b724f1"`
[INFO] running `"docker" "rm" "-f" "a61dfff535b2b65eb23a3296aefaf9ca03394a5edc4186d52bbb5b5600b724f1"`
[INFO] [stdout] a61dfff535b2b65eb23a3296aefaf9ca03394a5edc4186d52bbb5b5600b724f1