[INFO] cloning repository https://github.com/souravgopal25/rust_basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/souravgopal25/rust_basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouravgopal25%2Frust_basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouravgopal25%2Frust_basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6aebd1db92ec75fdbef055e4c498032665ebdd7e
[INFO] testing souravgopal25/rust_basics against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsouravgopal25%2Frust_basics" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/souravgopal25/rust_basics on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/souravgopal25/rust_basics
[INFO] finished tweaking git repo https://github.com/souravgopal25/rust_basics
[INFO] tweaked toml for git repo https://github.com/souravgopal25/rust_basics written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/souravgopal25/rust_basics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 754fcb7886785b5d38c2c87087bc77586d3d1c33d590a58e9107eff71828db70
[INFO] running `Command { std: "docker" "start" "-a" "754fcb7886785b5d38c2c87087bc77586d3d1c33d590a58e9107eff71828db70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "754fcb7886785b5d38c2c87087bc77586d3d1c33d590a58e9107eff71828db70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754fcb7886785b5d38c2c87087bc77586d3d1c33d590a58e9107eff71828db70", kill_on_drop: false }`
[INFO] [stdout] 754fcb7886785b5d38c2c87087bc77586d3d1c33d590a58e9107eff71828db70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2303f61570b67d2b7f59af07623db37399ff5d134102e6927f2d04a41f78ce87
[INFO] running `Command { std: "docker" "start" "-a" "2303f61570b67d2b7f59af07623db37399ff5d134102e6927f2d04a41f78ce87", kill_on_drop: false }`
[INFO] [stderr]    Compiling RUST_SANDBOX v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RUST_SANDBOX` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_sandbox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "2303f61570b67d2b7f59af07623db37399ff5d134102e6927f2d04a41f78ce87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2303f61570b67d2b7f59af07623db37399ff5d134102e6927f2d04a41f78ce87", kill_on_drop: false }`
[INFO] [stdout] 2303f61570b67d2b7f59af07623db37399ff5d134102e6927f2d04a41f78ce87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 320c0ce4801ee447491e946a3a8cdb93108af843e61c40e60073194606ce95bf
[INFO] running `Command { std: "docker" "start" "-a" "320c0ce4801ee447491e946a3a8cdb93108af843e61c40e60073194606ce95bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling RUST_SANDBOX v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RUST_SANDBOX` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `rust_sandbox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "320c0ce4801ee447491e946a3a8cdb93108af843e61c40e60073194606ce95bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320c0ce4801ee447491e946a3a8cdb93108af843e61c40e60073194606ce95bf", kill_on_drop: false }`
[INFO] [stdout] 320c0ce4801ee447491e946a3a8cdb93108af843e61c40e60073194606ce95bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4018a777c3846d30a2a8ea426d6962dd559ddf279c563908b586b3a496d35d52
[INFO] running `Command { std: "docker" "start" "-a" "4018a777c3846d30a2a8ea426d6962dd559ddf279c563908b586b3a496d35d52", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: crate `RUST_SANDBOX` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_sandbox`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `RUST_SANDBOX` (bin "RUST_SANDBOX" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/RUST_SANDBOX-0c7634b727d0e106)
[INFO] running `Command { std: "docker" "inspect" "4018a777c3846d30a2a8ea426d6962dd559ddf279c563908b586b3a496d35d52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4018a777c3846d30a2a8ea426d6962dd559ddf279c563908b586b3a496d35d52", kill_on_drop: false }`
[INFO] [stdout] 4018a777c3846d30a2a8ea426d6962dd559ddf279c563908b586b3a496d35d52