[INFO] cloning repository https://github.com/hugefiver/tpping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hugefiver/tpping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugefiver%2Ftpping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugefiver%2Ftpping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1eefb94a5673a0fe2d51b35968e40189edfcef5b
[INFO] checking hugefiver/tpping against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhugefiver%2Ftpping" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hugefiver/tpping on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hugefiver/tpping
[INFO] finished tweaking git repo https://github.com/hugefiver/tpping
[INFO] tweaked toml for git repo https://github.com/hugefiver/tpping written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/hugefiver/tpping already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6658d9fee7889fbb1faa9e840a7950349a953d8a3fbc2678e79d87f1e6f11dce
[INFO] running `Command { std: "docker" "start" "-a" "6658d9fee7889fbb1faa9e840a7950349a953d8a3fbc2678e79d87f1e6f11dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6658d9fee7889fbb1faa9e840a7950349a953d8a3fbc2678e79d87f1e6f11dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6658d9fee7889fbb1faa9e840a7950349a953d8a3fbc2678e79d87f1e6f11dce", kill_on_drop: false }`
[INFO] [stdout] 6658d9fee7889fbb1faa9e840a7950349a953d8a3fbc2678e79d87f1e6f11dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 630e8691b6b7a36a8df53ecfd84773bdaf41a4f2a6b71107c71f74fe0afc8ef5
[INFO] running `Command { std: "docker" "start" "-a" "630e8691b6b7a36a8df53ecfd84773bdaf41a4f2a6b71107c71f74fe0afc8ef5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking crossterm v0.20.0
[INFO] [stderr]     Checking tui v0.15.0
[INFO] [stderr]     Checking tping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut term = Terminal::new(backend).expect("Can not start terminal UI. ");
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut term = Terminal::new(backend).expect("Can not start terminal UI. ");
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut term = Terminal::new(backend).expect("Can not start terminal UI. ");
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut term = Terminal::new(backend).expect("Can not start terminal UI. ");
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.48s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "630e8691b6b7a36a8df53ecfd84773bdaf41a4f2a6b71107c71f74fe0afc8ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630e8691b6b7a36a8df53ecfd84773bdaf41a4f2a6b71107c71f74fe0afc8ef5", kill_on_drop: false }`
[INFO] [stdout] 630e8691b6b7a36a8df53ecfd84773bdaf41a4f2a6b71107c71f74fe0afc8ef5