[INFO] cloning repository https://github.com/bohdantrotsenko/rust-kalaha
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bohdantrotsenko/rust-kalaha" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbohdantrotsenko%2Frust-kalaha", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbohdantrotsenko%2Frust-kalaha'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07e0e593baebb957453873d4186a82dc87ea89d2
[INFO] checking bohdantrotsenko/rust-kalaha against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbohdantrotsenko%2Frust-kalaha" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bohdantrotsenko/rust-kalaha on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bohdantrotsenko/rust-kalaha
[INFO] finished tweaking git repo https://github.com/bohdantrotsenko/rust-kalaha
[INFO] tweaked toml for git repo https://github.com/bohdantrotsenko/rust-kalaha written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/bohdantrotsenko/rust-kalaha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d75b241f45b37f7472c5fda74907e30bd454ecf03e85bd25f6e71388c16925e
[INFO] running `Command { std: "docker" "start" "-a" "4d75b241f45b37f7472c5fda74907e30bd454ecf03e85bd25f6e71388c16925e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d75b241f45b37f7472c5fda74907e30bd454ecf03e85bd25f6e71388c16925e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d75b241f45b37f7472c5fda74907e30bd454ecf03e85bd25f6e71388c16925e", kill_on_drop: false }`
[INFO] [stdout] 4d75b241f45b37f7472c5fda74907e30bd454ecf03e85bd25f6e71388c16925e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 289ca55536eea2e5ff54065363d4d12274139961a91267fa93a2f7ad5cc00acd
[INFO] running `Command { std: "docker" "start" "-a" "289ca55536eea2e5ff54065363d4d12274139961a91267fa93a2f7ad5cc00acd", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v1.4.0
[INFO] [stderr]     Checking rust-kalaha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:88:35
[INFO] [stdout]    |
[INFO] [stdout] 88 |         assert!(game == unpacked, format!("packing doesn't work on {:?}", game));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 88 -         assert!(game == unpacked, format!("packing doesn't work on {:?}", game));
[INFO] [stdout] 88 +         assert!(game == unpacked, "packing doesn't work on {:?}", game);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "289ca55536eea2e5ff54065363d4d12274139961a91267fa93a2f7ad5cc00acd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "289ca55536eea2e5ff54065363d4d12274139961a91267fa93a2f7ad5cc00acd", kill_on_drop: false }`
[INFO] [stdout] 289ca55536eea2e5ff54065363d4d12274139961a91267fa93a2f7ad5cc00acd