[INFO] cloning repository https://github.com/xcaptain/mofang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xcaptain/mofang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxcaptain%2Fmofang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxcaptain%2Fmofang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23d4cdae88e0ced95be785f6a421f61b9c5e70f2
[INFO] checking xcaptain/mofang against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxcaptain%2Fmofang" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xcaptain/mofang on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xcaptain/mofang
[INFO] finished tweaking git repo https://github.com/xcaptain/mofang
[INFO] tweaked toml for git repo https://github.com/xcaptain/mofang written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/xcaptain/mofang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 630ad20e7d347746a1cd76b3d5bbe3d7015f87ab18d0eff53ef144ee45e28bb0
[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" "630ad20e7d347746a1cd76b3d5bbe3d7015f87ab18d0eff53ef144ee45e28bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "630ad20e7d347746a1cd76b3d5bbe3d7015f87ab18d0eff53ef144ee45e28bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630ad20e7d347746a1cd76b3d5bbe3d7015f87ab18d0eff53ef144ee45e28bb0", kill_on_drop: false }`
[INFO] [stdout] 630ad20e7d347746a1cd76b3d5bbe3d7015f87ab18d0eff53ef144ee45e28bb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb3d76d6495850b5778c94f89d2b9678f1c8e4a47de9bf47cf1a519954e5494a
[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" "cb3d76d6495850b5778c94f89d2b9678f1c8e4a47de9bf47cf1a519954e5494a", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]     Checking mofang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Widget`
[INFO] [stdout]  --> src/main.rs:9:60
[INFO] [stdout]   |
[INFO] [stdout] 9 |     widgets::{Block, BorderType, Borders, Paragraph, Text, Widget},
[INFO] [stdout]   |                                                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Widget`
[INFO] [stdout]  --> src/main.rs:9:60
[INFO] [stdout]   |
[INFO] [stdout] 9 |     widgets::{Block, BorderType, Borders, Paragraph, Text, Widget},
[INFO] [stdout]   |                                                            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     for i in 0..round {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     for i in 0..round {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]    --> src/main.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]    --> src/main.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]    --> src/main.rs:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |     input_handle: thread::JoinHandle<()>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]    --> src/main.rs:225:5
[INFO] [stdout]     |
[INFO] [stdout] 225 |     tick_handle: thread::JoinHandle<()>,
[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 7.55s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cb3d76d6495850b5778c94f89d2b9678f1c8e4a47de9bf47cf1a519954e5494a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3d76d6495850b5778c94f89d2b9678f1c8e4a47de9bf47cf1a519954e5494a", kill_on_drop: false }`
[INFO] [stdout] cb3d76d6495850b5778c94f89d2b9678f1c8e4a47de9bf47cf1a519954e5494a