[INFO] cloning repository https://github.com/lemonadern/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lemonadern/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemonadern%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemonadern%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de4948d73dfba1d589c15fc9c3f537fe0c269d9e
[INFO] checking lemonadern/rust-playground against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flemonadern%2Frust-playground" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lemonadern/rust-playground on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/lemonadern/rust-playground
[INFO] finished tweaking git repo https://github.com/lemonadern/rust-playground
[INFO] tweaked toml for git repo https://github.com/lemonadern/rust-playground written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lemonadern/rust-playground 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4604d8c8dbf503dcca2cbe52b7f2c44de7334f693bc84052172644349c58388d
[INFO] running `Command { std: "docker" "start" "-a" "4604d8c8dbf503dcca2cbe52b7f2c44de7334f693bc84052172644349c58388d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4604d8c8dbf503dcca2cbe52b7f2c44de7334f693bc84052172644349c58388d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4604d8c8dbf503dcca2cbe52b7f2c44de7334f693bc84052172644349c58388d", kill_on_drop: false }`
[INFO] [stdout] 4604d8c8dbf503dcca2cbe52b7f2c44de7334f693bc84052172644349c58388d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 838452d4bbb2894d86385fc0c9b71ecfbd54895fc4dd048d624a89634bc0f4f1
[INFO] running `Command { std: "docker" "start" "-a" "838452d4bbb2894d86385fc0c9b71ecfbd54895fc4dd048d624a89634bc0f4f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]  --> examples/get_panic_info.rs:8:53
[INFO] [stdout]   |
[INFO] [stdout] 8 |         println!("{:#?}", err.downcast_ref::<panic::PanicInfo>()); // None
[INFO] [stdout]   |                                                     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "838452d4bbb2894d86385fc0c9b71ecfbd54895fc4dd048d624a89634bc0f4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838452d4bbb2894d86385fc0c9b71ecfbd54895fc4dd048d624a89634bc0f4f1", kill_on_drop: false }`
[INFO] [stdout] 838452d4bbb2894d86385fc0c9b71ecfbd54895fc4dd048d624a89634bc0f4f1