[INFO] cloning repository https://github.com/faheemuzzaman/class09
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faheemuzzaman/class09" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaheemuzzaman%2Fclass09", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaheemuzzaman%2Fclass09'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9d40d2b04b74a732c3473991ee27dc2dea0fb59
[INFO] testing faheemuzzaman/class09 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%2Ffaheemuzzaman%2Fclass09" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/faheemuzzaman/class09 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/faheemuzzaman/class09
[INFO] finished tweaking git repo https://github.com/faheemuzzaman/class09
[INFO] tweaked toml for git repo https://github.com/faheemuzzaman/class09 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/faheemuzzaman/class09 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] f7cab5a5c5aee4fe5e579a3c7229de6a5e64830b3a1b4c2d9502ab007b29a3c7
[INFO] running `Command { std: "docker" "start" "-a" "f7cab5a5c5aee4fe5e579a3c7229de6a5e64830b3a1b4c2d9502ab007b29a3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7cab5a5c5aee4fe5e579a3c7229de6a5e64830b3a1b4c2d9502ab007b29a3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7cab5a5c5aee4fe5e579a3c7229de6a5e64830b3a1b4c2d9502ab007b29a3c7", kill_on_drop: false }`
[INFO] [stdout] f7cab5a5c5aee4fe5e579a3c7229de6a5e64830b3a1b4c2d9502ab007b29a3c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 68a1371fb6d13f57d74066bbc6c611c6b44c592f69f4b3f355d484a710dc69b4
[INFO] running `Command { std: "docker" "start" "-a" "68a1371fb6d13f57d74066bbc6c611c6b44c592f69f4b3f355d484a710dc69b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling class09 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `Divide` should have a snake case name
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn Divide(x:f64,y:f64)->Option<f64>{
[INFO] [stdout]     |    ^^^^^^ help: convert the identifier to snake case: `divide`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` 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 1.57s
[INFO] running `Command { std: "docker" "inspect" "68a1371fb6d13f57d74066bbc6c611c6b44c592f69f4b3f355d484a710dc69b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a1371fb6d13f57d74066bbc6c611c6b44c592f69f4b3f355d484a710dc69b4", kill_on_drop: false }`
[INFO] [stdout] 68a1371fb6d13f57d74066bbc6c611c6b44c592f69f4b3f355d484a710dc69b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] e601256c7d75cf6f0afada425a0dc8fa4c14dba85f4d5b061f65310b0e3d1293
[INFO] running `Command { std: "docker" "start" "-a" "e601256c7d75cf6f0afada425a0dc8fa4c14dba85f4d5b061f65310b0e3d1293", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling class09 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `Divide` should have a snake case name
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn Divide(x:f64,y:f64)->Option<f64>{
[INFO] [stdout]     |    ^^^^^^ help: convert the identifier to snake case: `divide`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` 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 51.48s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/class09-0d2c8176486730c7)
[INFO] running `Command { std: "docker" "inspect" "e601256c7d75cf6f0afada425a0dc8fa4c14dba85f4d5b061f65310b0e3d1293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e601256c7d75cf6f0afada425a0dc8fa4c14dba85f4d5b061f65310b0e3d1293", kill_on_drop: false }`
[INFO] [stdout] e601256c7d75cf6f0afada425a0dc8fa4c14dba85f4d5b061f65310b0e3d1293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 6cfc1b8efe0084ee764b48d37c8f82ca074ebc76ba52f9caf7fb70f3e2e0bfa2
[INFO] running `Command { std: "docker" "start" "-a" "6cfc1b8efe0084ee764b48d37c8f82ca074ebc76ba52f9caf7fb70f3e2e0bfa2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function `Divide` should have a snake case name
[INFO] [stderr]    --> src/main.rs:130:4
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn Divide(x:f64,y:f64)->Option<f64>{
[INFO] [stderr]     |    ^^^^^^ help: convert the identifier to snake case: `divide`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `class09` (bin "class09" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/class09-0d2c8176486730c7)
[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" "6cfc1b8efe0084ee764b48d37c8f82ca074ebc76ba52f9caf7fb70f3e2e0bfa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cfc1b8efe0084ee764b48d37c8f82ca074ebc76ba52f9caf7fb70f3e2e0bfa2", kill_on_drop: false }`
[INFO] [stdout] 6cfc1b8efe0084ee764b48d37c8f82ca074ebc76ba52f9caf7fb70f3e2e0bfa2