[INFO] cloning repository https://github.com/JosephTLyons/solitaire
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JosephTLyons/solitaire" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fsolitaire", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fsolitaire'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76f43ba775f944ebee2b9b422bcfad74aca0ff27
[INFO] checking JosephTLyons/solitaire against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJosephTLyons%2Fsolitaire" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JosephTLyons/solitaire on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JosephTLyons/solitaire
[INFO] finished tweaking git repo https://github.com/JosephTLyons/solitaire
[INFO] tweaked toml for git repo https://github.com/JosephTLyons/solitaire written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JosephTLyons/solitaire 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8d6f5c069cd88f0e54735b3f00bd3e3512c3b163c08cd9cd03bf48d6d16bebf
[INFO] running `Command { std: "docker" "start" "-a" "c8d6f5c069cd88f0e54735b3f00bd3e3512c3b163c08cd9cd03bf48d6d16bebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8d6f5c069cd88f0e54735b3f00bd3e3512c3b163c08cd9cd03bf48d6d16bebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d6f5c069cd88f0e54735b3f00bd3e3512c3b163c08cd9cd03bf48d6d16bebf", kill_on_drop: false }`
[INFO] [stdout] c8d6f5c069cd88f0e54735b3f00bd3e3512c3b163c08cd9cd03bf48d6d16bebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e6ffd0e96ec54f99206182a0d9e60be208311f268368e925a229c86be33115e
[INFO] running `Command { std: "docker" "start" "-a" "2e6ffd0e96ec54f99206182a0d9e60be208311f268368e925a229c86be33115e", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking solitaire v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> src/game.rs:199:20
[INFO] [stdout]     |
[INFO] [stdout] 187 |             if let Some(x) = self.get_pile_reference() {
[INFO] [stdout]     |                              ---- mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 199 |                 if self.move_to_deposit_pile_ok(&move_card, to.index(0)) {
[INFO] [stdout]     |                    ^^^^ immutable borrow occurs here        -- mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> src/game.rs:199:20
[INFO] [stdout]     |
[INFO] [stdout] 187 |             if let Some(x) = self.get_pile_reference() {
[INFO] [stdout]     |                              ---- mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 199 |                 if self.move_to_deposit_pile_ok(&move_card, to.index(0)) {
[INFO] [stdout]     |                    ^^^^ immutable borrow occurs here        -- mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> src/game.rs:204:20
[INFO] [stdout]     |
[INFO] [stdout] 187 |             if let Some(x) = self.get_pile_reference() {
[INFO] [stdout]     |                              ---- mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 204 |                 if self.move_to_flip_pile_ok(&move_card, to.index(0)) {
[INFO] [stdout]     |                    ^^^^ immutable borrow occurs here     -- mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> src/game.rs:204:20
[INFO] [stdout]     |
[INFO] [stdout] 187 |             if let Some(x) = self.get_pile_reference() {
[INFO] [stdout]     |                              ---- mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 204 |                 if self.move_to_flip_pile_ok(&move_card, to.index(0)) {
[INFO] [stdout]     |                    ^^^^ immutable borrow occurs here     -- mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `solitaire` (bin "solitaire") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `solitaire` (bin "solitaire" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2e6ffd0e96ec54f99206182a0d9e60be208311f268368e925a229c86be33115e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6ffd0e96ec54f99206182a0d9e60be208311f268368e925a229c86be33115e", kill_on_drop: false }`
[INFO] [stdout] 2e6ffd0e96ec54f99206182a0d9e60be208311f268368e925a229c86be33115e