[INFO] cloning repository https://github.com/Sourav-Bhattacharya10/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sourav-Bhattacharya10/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSourav-Bhattacharya10%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSourav-Bhattacharya10%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cfcb49ba13c61dcf6e73a048dfe476a914a5f5b
[INFO] testing Sourav-Bhattacharya10/rust_practice/9cfcb49ba13c61dcf6e73a048dfe476a914a5f5b against master#8c0ec05f7dc9ef185eea9f36c5638e74e43935bf for pr-130285
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSourav-Bhattacharya10%2Frust_practice" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Sourav-Bhattacharya10/rust_practice on toolchain 8c0ec05f7dc9ef185eea9f36c5638e74e43935bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sourav-Bhattacharya10/rust_practice
[INFO] finished tweaking git repo https://github.com/Sourav-Bhattacharya10/rust_practice
[INFO] tweaked toml for git repo https://github.com/Sourav-Bhattacharya10/rust_practice written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Sourav-Bhattacharya10/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 901622e8323785b3dc84e8e1f08073c1324e10792c717a6c041c8b0a992cd603
[INFO] running `Command { std: "docker" "start" "-a" "901622e8323785b3dc84e8e1f08073c1324e10792c717a6c041c8b0a992cd603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "901622e8323785b3dc84e8e1f08073c1324e10792c717a6c041c8b0a992cd603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901622e8323785b3dc84e8e1f08073c1324e10792c717a6c041c8b0a992cd603", kill_on_drop: false }`
[INFO] [stdout] 901622e8323785b3dc84e8e1f08073c1324e10792c717a6c041c8b0a992cd603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d17f94edd75447a38ee60040cc7b4cc1ae450e961c87be489dc3f47fb56f674
[INFO] running `Command { std: "docker" "start" "-a" "6d17f94edd75447a38ee60040cc7b4cc1ae450e961c87be489dc3f47fb56f674", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `width`, `height`, and `label` are never read
[INFO] [stdout]   --> src/trait_object.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Button {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     pub width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 19 |     pub height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 20 |     pub label: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "6d17f94edd75447a38ee60040cc7b4cc1ae450e961c87be489dc3f47fb56f674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d17f94edd75447a38ee60040cc7b4cc1ae450e961c87be489dc3f47fb56f674", kill_on_drop: false }`
[INFO] [stdout] 6d17f94edd75447a38ee60040cc7b4cc1ae450e961c87be489dc3f47fb56f674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cca82868969ee5b33848f8393cd38090d42830380618bee045353af15c9fdb42
[INFO] running `Command { std: "docker" "start" "-a" "cca82868969ee5b33848f8393cd38090d42830380618bee045353af15c9fdb42", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `width`, `height`, and `label` are never read
[INFO] [stdout]   --> src/trait_object.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Button {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 18 |     pub width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 19 |     pub height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 20 |     pub label: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "cca82868969ee5b33848f8393cd38090d42830380618bee045353af15c9fdb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca82868969ee5b33848f8393cd38090d42830380618bee045353af15c9fdb42", kill_on_drop: false }`
[INFO] [stdout] cca82868969ee5b33848f8393cd38090d42830380618bee045353af15c9fdb42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+8c0ec05f7dc9ef185eea9f36c5638e74e43935bf" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3a2807ebdbf3aa5f67b662534779004475288575f5c562604f3e34a55c3047c
[INFO] running `Command { std: "docker" "start" "-a" "e3a2807ebdbf3aa5f67b662534779004475288575f5c562604f3e34a55c3047c", kill_on_drop: false }`
[INFO] [stderr] warning: fields `width`, `height`, and `label` are never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/trait_object.rs:18:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 17 | pub struct Button {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stdout] 
[INFO] [stderr] 18 |     pub width: u32,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 19 |     pub height: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 20 |     pub label: String,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `practice` (bin "practice" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/practice-8b5c14d02b9e85d3)
[INFO] running `Command { std: "docker" "inspect" "e3a2807ebdbf3aa5f67b662534779004475288575f5c562604f3e34a55c3047c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a2807ebdbf3aa5f67b662534779004475288575f5c562604f3e34a55c3047c", kill_on_drop: false }`
[INFO] [stdout] e3a2807ebdbf3aa5f67b662534779004475288575f5c562604f3e34a55c3047c