[INFO] fetching crate yagui 0.0.2...
[INFO] testing yagui-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate yagui 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate yagui 0.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yagui 0.0.2
[INFO] finished tweaking crates.io crate yagui 0.0.2
[INFO] tweaked toml for crates.io crate yagui 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0375b5bcfa9a0ce0cb6c670923684cb8a77beb371f51e4338464b3b90a390a5
[INFO] running `Command { std: "docker" "start" "-a" "a0375b5bcfa9a0ce0cb6c670923684cb8a77beb371f51e4338464b3b90a390a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0375b5bcfa9a0ce0cb6c670923684cb8a77beb371f51e4338464b3b90a390a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0375b5bcfa9a0ce0cb6c670923684cb8a77beb371f51e4338464b3b90a390a5", kill_on_drop: false }`
[INFO] [stdout] a0375b5bcfa9a0ce0cb6c670923684cb8a77beb371f51e4338464b3b90a390a5
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e43e86db183d3b681a6b972dcecbbabf02177b90bc541cf41990cd40f5eec7c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e43e86db183d3b681a6b972dcecbbabf02177b90bc541cf41990cd40f5eec7c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]    Compiling piston-float v1.0.0
[INFO] [stderr]    Compiling takeable-option v0.5.0
[INFO] [stderr]    Compiling conrod_winit v0.71.0
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling piston-viewport v1.0.0
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glium v0.28.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling wayland-commons v0.28.6
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling conrod_derive v0.71.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling wayland-cursor v0.28.6
[INFO] [stderr]    Compiling wayland-egl v0.28.6
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling x11-clipboard v0.5.2
[INFO] [stderr]    Compiling pistoncore-input v1.0.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling smithay-clipboard v0.4.0
[INFO] [stderr]    Compiling copypasta v0.6.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling conrod_core v0.71.0
[INFO] [stderr]    Compiling glutin v0.25.1
[INFO] [stderr]    Compiling conrod_glium v0.71.0
[INFO] [stderr]    Compiling yagui v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]   --> src/gui.rs:34:43
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn add_button(&mut self, ui: &mut Ui, button: &Config) {
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `required_value`
[INFO] [stdout]   --> src/config.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn required_value(&self, key: &str) -> Result<&Yaml> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fonts`
[INFO] [stdout]  --> src/gui.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fonts: HashMap<&'static str, FontId>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_button`
[INFO] [stdout]   --> src/gui.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn add_button(&mut self, ui: &mut Ui, button: &Config) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 16s
[INFO] running `Command { std: "docker" "inspect" "e43e86db183d3b681a6b972dcecbbabf02177b90bc541cf41990cd40f5eec7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43e86db183d3b681a6b972dcecbbabf02177b90bc541cf41990cd40f5eec7c4", kill_on_drop: false }`
[INFO] [stdout] e43e86db183d3b681a6b972dcecbbabf02177b90bc541cf41990cd40f5eec7c4
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d1885e652a19ad9102ee03bf430798b435be8ea1f4649618169c8075efda73f9
[INFO] running `Command { std: "docker" "start" "-a" "d1885e652a19ad9102ee03bf430798b435be8ea1f4649618169c8075efda73f9", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]   --> src/gui.rs:34:43
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn add_button(&mut self, ui: &mut Ui, button: &Config) {
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `required_value`
[INFO] [stdout]   --> src/config.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn required_value(&self, key: &str) -> Result<&Yaml> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fonts`
[INFO] [stdout]  --> src/gui.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fonts: HashMap<&'static str, FontId>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_button`
[INFO] [stdout]   --> src/gui.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn add_button(&mut self, ui: &mut Ui, button: &Config) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling yagui v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]   --> src/gui.rs:34:43
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn add_button(&mut self, ui: &mut Ui, button: &Config) {
[INFO] [stdout]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `required_value`
[INFO] [stdout]   --> src/config.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn required_value(&self, key: &str) -> Result<&Yaml> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fonts`
[INFO] [stdout]  --> src/gui.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fonts: HashMap<&'static str, FontId>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_button`
[INFO] [stdout]   --> src/gui.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn add_button(&mut self, ui: &mut Ui, button: &Config) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "d1885e652a19ad9102ee03bf430798b435be8ea1f4649618169c8075efda73f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1885e652a19ad9102ee03bf430798b435be8ea1f4649618169c8075efda73f9", kill_on_drop: false }`
[INFO] [stdout] d1885e652a19ad9102ee03bf430798b435be8ea1f4649618169c8075efda73f9
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 739d27b4c2c67a0857fbaaad7e427382a1228a701804cbd53bd0a9fc6f179664
[INFO] running `Command { std: "docker" "start" "-a" "739d27b4c2c67a0857fbaaad7e427382a1228a701804cbd53bd0a9fc6f179664", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `button`
[INFO] [stderr]   --> src/gui.rs:34:43
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn add_button(&mut self, ui: &mut Ui, button: &Config) {
[INFO] [stderr]    |                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `required_value`
[INFO] [stderr]   --> src/config.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn required_value(&self, key: &str) -> Result<&Yaml> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `fonts`
[INFO] [stderr]  --> src/gui.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fonts: HashMap<&'static str, FontId>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_button`
[INFO] [stderr]   --> src/gui.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn add_button(&mut self, ui: &mut Ui, button: &Config) {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `yagui` (lib) generated 4 warnings
[INFO] [stderr] warning: `yagui` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yagui-e825abedf1a5c451)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests yagui
[INFO] [stdout] test config::tests::value_f64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "739d27b4c2c67a0857fbaaad7e427382a1228a701804cbd53bd0a9fc6f179664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739d27b4c2c67a0857fbaaad7e427382a1228a701804cbd53bd0a9fc6f179664", kill_on_drop: false }`
[INFO] [stdout] 739d27b4c2c67a0857fbaaad7e427382a1228a701804cbd53bd0a9fc6f179664