[INFO] cloning repository https://github.com/ctfhacker/maverickcardgame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctfhacker/maverickcardgame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctfhacker%2Fmaverickcardgame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctfhacker%2Fmaverickcardgame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d8392c82564578381c5b8a2daedf9221676c394
[INFO] testing ctfhacker/maverickcardgame against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctfhacker%2Fmaverickcardgame" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ctfhacker/maverickcardgame on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ctfhacker/maverickcardgame
[INFO] finished tweaking git repo https://github.com/ctfhacker/maverickcardgame
[INFO] tweaked toml for git repo https://github.com/ctfhacker/maverickcardgame written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ctfhacker/maverickcardgame already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69817f1a1eaf9c95c9e70e25fa83451d50dc4b91f3ccbbfe2fe8e2b0dc1ac76d
[INFO] running `Command { std: "docker" "start" "-a" "69817f1a1eaf9c95c9e70e25fa83451d50dc4b91f3ccbbfe2fe8e2b0dc1ac76d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69817f1a1eaf9c95c9e70e25fa83451d50dc4b91f3ccbbfe2fe8e2b0dc1ac76d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69817f1a1eaf9c95c9e70e25fa83451d50dc4b91f3ccbbfe2fe8e2b0dc1ac76d", kill_on_drop: false }`
[INFO] [stdout] 69817f1a1eaf9c95c9e70e25fa83451d50dc4b91f3ccbbfe2fe8e2b0dc1ac76d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88694d32be03ae4b8877c3fd49327f4b217457e19220d65540711c944f3c6cb6
[INFO] running `Command { std: "docker" "start" "-a" "88694d32be03ae4b8877c3fd49327f4b217457e19220d65540711c944f3c6cb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
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[INFO] [stderr]    Compiling string_cache_shared v0.3.0
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[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde v0.9.15
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[INFO] [stderr]    Compiling mac v0.1.1
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[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling base-x v0.2.6
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[INFO] [stderr]    Compiling once_cell v1.4.0
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[INFO] [stderr]    Compiling getrandom v0.1.14
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[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling wayland-sys v0.23.6
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[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
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[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling nix v0.14.1
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[INFO] [stderr]    Compiling memmap v0.7.0
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[INFO] [stderr]    Compiling parking_lot_core v0.7.2
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[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling colored v1.9.3
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[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
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[INFO] [stderr]    Compiling osmesa-sys v0.1.2
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[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling elefont v0.1.3
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[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.3.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling html5ever v0.13.1
[INFO] [stderr]    Compiling simple_logger v1.6.0
[INFO] [stderr]    Compiling string_cache v0.4.0
[INFO] [stderr]    Compiling html5ever-atoms v0.2.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling gilrs-core v0.2.6
[INFO] [stderr]    Compiling gilrs v0.7.4
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling golem v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling html2runes v1.0.1
[INFO] [stderr]    Compiling enum-map v0.6.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling winit v0.22.2
[INFO] [stderr]    Compiling glutin v0.24.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling gestalt v0.1.0
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling platter v0.1.4
[INFO] [stderr]    Compiling webidl v0.8.0
[INFO] [stderr]    Compiling webgl_generator v0.2.0
[INFO] [stderr]    Compiling webgl_stdweb v0.3.0
[INFO] [stderr]    Compiling blinds v0.1.6
[INFO] [stderr]    Compiling quicksilver v0.4.0-alpha0.5
[INFO] [stderr]    Compiling maverick v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(exclusive_range_pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(vec_remove_item)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<ToSlay>` in the current scope
[INFO] [stdout]     --> src/main.rs:1151:30
[INFO] [stdout]      |
[INFO] [stdout] 1151 |                     to_slays.remove_item(&curr_hit);
[INFO] [stdout]      |                              ^^^^^^^^^^^ method not found in `Vec<ToSlay>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maverick`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "88694d32be03ae4b8877c3fd49327f4b217457e19220d65540711c944f3c6cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88694d32be03ae4b8877c3fd49327f4b217457e19220d65540711c944f3c6cb6", kill_on_drop: false }`
[INFO] [stdout] 88694d32be03ae4b8877c3fd49327f4b217457e19220d65540711c944f3c6cb6
