[INFO] cloning repository https://github.com/SLMT/six-nimmt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SLMT/six-nimmt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSLMT%2Fsix-nimmt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSLMT%2Fsix-nimmt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31c07f4aa92c66915b08ec9423a6eb5391b7a3df
[INFO] checking SLMT/six-nimmt against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSLMT%2Fsix-nimmt" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SLMT/six-nimmt on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SLMT/six-nimmt
[INFO] finished tweaking git repo https://github.com/SLMT/six-nimmt
[INFO] tweaked toml for git repo https://github.com/SLMT/six-nimmt written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SLMT/six-nimmt 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a2bb010931517b6c63cf5ef01b293552ca4174e3710c6145708621d77b0c0d1
[INFO] running `Command { std: "docker" "start" "-a" "4a2bb010931517b6c63cf5ef01b293552ca4174e3710c6145708621d77b0c0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a2bb010931517b6c63cf5ef01b293552ca4174e3710c6145708621d77b0c0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2bb010931517b6c63cf5ef01b293552ca4174e3710c6145708621d77b0c0d1", kill_on_drop: false }`
[INFO] [stdout] 4a2bb010931517b6c63cf5ef01b293552ca4174e3710c6145708621d77b0c0d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e27ebc3ef97e7c0145c3429feb8ac2387a83e8a953e22bd6f6b33efb908966ac
[INFO] running `Command { std: "docker" "start" "-a" "e27ebc3ef97e7c0145c3429feb8ac2387a83e8a953e22bd6f6b33efb908966ac", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking six-nimmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0596]: cannot borrow `**player` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/game.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 match player.take_card(card_id) {
[INFO] [stdout]    |                       ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `**player` as mutable, as it is behind a `&` reference
[INFO] [stdout]   --> src/game.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 match player.take_card(card_id) {
[INFO] [stdout]    |                       ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `six-nimmt` (bin "six-nimmt") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `six-nimmt` (bin "six-nimmt" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e27ebc3ef97e7c0145c3429feb8ac2387a83e8a953e22bd6f6b33efb908966ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27ebc3ef97e7c0145c3429feb8ac2387a83e8a953e22bd6f6b33efb908966ac", kill_on_drop: false }`
[INFO] [stdout] e27ebc3ef97e7c0145c3429feb8ac2387a83e8a953e22bd6f6b33efb908966ac