[INFO] cloning repository https://github.com/storyfeet/flamme-rouge-bots
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/storyfeet/flamme-rouge-bots" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoryfeet%2Fflamme-rouge-bots", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoryfeet%2Fflamme-rouge-bots'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c746670714108c0112b31cd8b1f30c687f54be2
[INFO] checking storyfeet/flamme-rouge-bots against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoryfeet%2Fflamme-rouge-bots" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/storyfeet/flamme-rouge-bots on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/storyfeet/flamme-rouge-bots
[INFO] finished tweaking git repo https://github.com/storyfeet/flamme-rouge-bots
[INFO] tweaked toml for git repo https://github.com/storyfeet/flamme-rouge-bots written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/storyfeet/flamme-rouge-bots already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6218351c0135a79fc2ee4f95ca80469d989509c9642b05c9b032393eab09883d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6218351c0135a79fc2ee4f95ca80469d989509c9642b05c9b032393eab09883d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6218351c0135a79fc2ee4f95ca80469d989509c9642b05c9b032393eab09883d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6218351c0135a79fc2ee4f95ca80469d989509c9642b05c9b032393eab09883d", kill_on_drop: false }`
[INFO] [stdout] 6218351c0135a79fc2ee4f95ca80469d989509c9642b05c9b032393eab09883d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 963f74c97975973f689b670001321553c931628f91f0c0aa441a108827cfeab6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "963f74c97975973f689b670001321553c931628f91f0c0aa441a108827cfeab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking card_deck v0.1.8
[INFO] [stderr]     Checking flamme-rouge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ss: &mut Vec<Box<Strategy>>,
[INFO] [stdout]    |                      ^^^^^^^^ help: use `dyn`: `dyn Strategy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ss: &mut Vec<Box<Strategy>>,
[INFO] [stdout]    |                      ^^^^^^^^ help: use `dyn`: `dyn Strategy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ss: &mut Vec<Box<Strategy>>,
[INFO] [stdout]    |                      ^^^^^^^^ help: use `dyn`: `dyn Strategy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     ss: &mut Vec<Box<Strategy>>,
[INFO] [stdout]    |                      ^^^^^^^^ help: use `dyn`: `dyn Strategy`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `scores` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         match scores.get(&winner) {
[INFO] [stdout]    |               ------ immutable borrow occurs here
[INFO] [stdout] 41 |             Some(n) => scores.insert(winner, n + 1),
[INFO] [stdout]    |                        ^^^^^^                - immutable borrow later used here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: cannot borrow `scores` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/main.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         match scores.get(&winner) {
[INFO] [stdout]    |               ------ immutable borrow occurs here
[INFO] [stdout] 41 |             Some(n) => scores.insert(winner, n + 1),
[INFO] [stdout]    |                        ^^^^^^                - immutable borrow later used here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "963f74c97975973f689b670001321553c931628f91f0c0aa441a108827cfeab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963f74c97975973f689b670001321553c931628f91f0c0aa441a108827cfeab6", kill_on_drop: false }`
[INFO] [stdout] 963f74c97975973f689b670001321553c931628f91f0c0aa441a108827cfeab6