[INFO] cloning repository https://github.com/silvanocerza/rect-area-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/silvanocerza/rect-area-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvanocerza%2Frect-area-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvanocerza%2Frect-area-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7114c6f5c0d65d374d6c4023f652a8df449ab302
[INFO] testing silvanocerza/rect-area-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilvanocerza%2Frect-area-rust" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/silvanocerza/rect-area-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/silvanocerza/rect-area-rust
[INFO] finished tweaking git repo https://github.com/silvanocerza/rect-area-rust
[INFO] tweaked toml for git repo https://github.com/silvanocerza/rect-area-rust written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/silvanocerza/rect-area-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04eb2191e0dd3518d459d4d74980ef398e52a096a12406eb7ec6eae9be83d31a
[INFO] running `Command { std: "docker" "start" "-a" "04eb2191e0dd3518d459d4d74980ef398e52a096a12406eb7ec6eae9be83d31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04eb2191e0dd3518d459d4d74980ef398e52a096a12406eb7ec6eae9be83d31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04eb2191e0dd3518d459d4d74980ef398e52a096a12406eb7ec6eae9be83d31a", kill_on_drop: false }`
[INFO] [stdout] 04eb2191e0dd3518d459d4d74980ef398e52a096a12406eb7ec6eae9be83d31a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1966dd1c86aa8977e6444cc5cfdbe0d5adc424967e5b66c4c6542a07e79a0e19
[INFO] running `Command { std: "docker" "start" "-a" "1966dd1c86aa8977e6444cc5cfdbe0d5adc424967e5b66c4c6542a07e79a0e19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rect_area v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `square1`
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let square1 = Rectangle::square(10);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_square1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "1966dd1c86aa8977e6444cc5cfdbe0d5adc424967e5b66c4c6542a07e79a0e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1966dd1c86aa8977e6444cc5cfdbe0d5adc424967e5b66c4c6542a07e79a0e19", kill_on_drop: false }`
[INFO] [stdout] 1966dd1c86aa8977e6444cc5cfdbe0d5adc424967e5b66c4c6542a07e79a0e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 760f556c0bfb96f1e386fba88c02efb1ce98ad22e0f4caa4747c45209550848f
[INFO] running `Command { std: "docker" "start" "-a" "760f556c0bfb96f1e386fba88c02efb1ce98ad22e0f4caa4747c45209550848f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rect_area v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `square1`
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let square1 = Rectangle::square(10);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_square1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rect_area-47dff388311a18af)
[INFO] running `Command { std: "docker" "inspect" "760f556c0bfb96f1e386fba88c02efb1ce98ad22e0f4caa4747c45209550848f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "760f556c0bfb96f1e386fba88c02efb1ce98ad22e0f4caa4747c45209550848f", kill_on_drop: false }`
[INFO] [stdout] 760f556c0bfb96f1e386fba88c02efb1ce98ad22e0f4caa4747c45209550848f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d178432f478caa5f58d4dabe47685532bfe9a3dbe18f2224e3558e1f7051cea
[INFO] running `Command { std: "docker" "start" "-a" "3d178432f478caa5f58d4dabe47685532bfe9a3dbe18f2224e3558e1f7051cea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `square1`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 38 |     let square1 = Rectangle::square(10);
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_square1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rect_area` (bin "rect_area" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rect_area-47dff388311a18af)
[INFO] running `Command { std: "docker" "inspect" "3d178432f478caa5f58d4dabe47685532bfe9a3dbe18f2224e3558e1f7051cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d178432f478caa5f58d4dabe47685532bfe9a3dbe18f2224e3558e1f7051cea", kill_on_drop: false }`
[INFO] [stdout] 3d178432f478caa5f58d4dabe47685532bfe9a3dbe18f2224e3558e1f7051cea