[INFO] updating cached repository https://github.com/goldfax/calc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 64c79b204ec36494f239d32f34b31b326f7c40fa
[INFO] checking goldfax/calc against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoldfax%2Fcalc" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goldfax/calc on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/goldfax/calc
[INFO] finished tweaking git repo https://github.com/goldfax/calc
[INFO] tweaked toml for git repo https://github.com/goldfax/calc written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/goldfax/calc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 906dcc33c2611bc9031c354729f0af769af2a469201a15798df1f1cbf47bf21f
[INFO] running `"docker" "start" "-a" "906dcc33c2611bc9031c354729f0af769af2a469201a15798df1f1cbf47bf21f"`
[INFO] [stderr]     Checking glib-sys v0.5.0
[INFO] [stderr]     Checking cairo-sys-rs v0.5.0
[INFO] [stderr]     Checking gobject-sys v0.5.0
[INFO] [stderr]     Checking futures-glib v0.3.2
[INFO] [stderr]     Checking gio-sys v0.5.0
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]     Checking pango-sys v0.5.0
[INFO] [stderr]     Checking atk-sys v0.5.0
[INFO] [stderr]     Checking relm-core v0.11.0
[INFO] [stderr]     Checking relm-state v0.11.0
[INFO] [stderr]     Checking pango v0.3.0
[INFO] [stderr]     Checking cairo-rs v0.3.0
[INFO] [stderr]     Checking gdk-pixbuf-sys v0.5.0
[INFO] [stderr]     Checking gio v0.3.0
[INFO] [stderr]     Checking gdk-pixbuf v0.3.0
[INFO] [stderr]     Checking gdk-sys v0.5.0
[INFO] [stderr]     Checking gtk-sys v0.5.0
[INFO] [stderr]     Checking gdk v0.7.0
[INFO] [stderr]     Checking gtk v0.3.0
[INFO] [stderr]     Checking relm v0.11.0
[INFO] [stderr]     Checking calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Relm`, `Update`, `Widget`
[INFO] [stderr]  --> src/main.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use relm::{Relm, Update, Widget};
[INFO] [stderr]   |            ^^^^  ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gtk::prelude::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use gtk::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Inhibit`, `WindowType`, `Window`
[INFO] [stderr]  --> src/main.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | use gtk::{Window, Inhibit, WindowType};
[INFO] [stderr]   |           ^^^^^^  ^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Model`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Model{
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Relm`, `Update`, `Widget`
[INFO] [stderr]  --> src/main.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use relm::{Relm, Update, Widget};
[INFO] [stderr]   |            ^^^^  ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gtk::prelude::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use gtk::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Inhibit`, `WindowType`, `Window`
[INFO] [stderr]  --> src/main.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | use gtk::{Window, Inhibit, WindowType};
[INFO] [stderr]   |           ^^^^^^  ^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Model`
[INFO] [stderr]   --> src/main.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Model{
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `"docker" "inspect" "906dcc33c2611bc9031c354729f0af769af2a469201a15798df1f1cbf47bf21f"`
[INFO] running `"docker" "rm" "-f" "906dcc33c2611bc9031c354729f0af769af2a469201a15798df1f1cbf47bf21f"`
[INFO] [stdout] 906dcc33c2611bc9031c354729f0af769af2a469201a15798df1f1cbf47bf21f