[INFO] cloning repository https://github.com/Trikzon/minesweeper-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Trikzon/minesweeper-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrikzon%2Fminesweeper-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrikzon%2Fminesweeper-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aac108df3355d351c4fe8f436a580e81c96e339e
[INFO] checking Trikzon/minesweeper-rs against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrikzon%2Fminesweeper-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Trikzon/minesweeper-rs on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Trikzon/minesweeper-rs
[INFO] removed path dependency engine from git repo https://github.com/Trikzon/minesweeper-rs
[INFO] finished tweaking git repo https://github.com/Trikzon/minesweeper-rs
[INFO] tweaked toml for git repo https://github.com/Trikzon/minesweeper-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (engine) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bd05c4a0e609414fe871c4636d208cd9b728aec62ec3fa7972e594223539252
[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" "8bd05c4a0e609414fe871c4636d208cd9b728aec62ec3fa7972e594223539252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bd05c4a0e609414fe871c4636d208cd9b728aec62ec3fa7972e594223539252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd05c4a0e609414fe871c4636d208cd9b728aec62ec3fa7972e594223539252", kill_on_drop: false }`
[INFO] [stdout] 8bd05c4a0e609414fe871c4636d208cd9b728aec62ec3fa7972e594223539252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ad155624dddcc17299b7744e64fccd5728b629bcaadfdc623ec28f6c78df509
[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" "8ad155624dddcc17299b7744e64fccd5728b629bcaadfdc623ec28f6c78df509", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (engine) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.52
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking engine v0.0.0
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `Engine` in crate `engine`
[INFO] [stdout]  --> src/platform/desktop.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn app_init<'a> (engine: &'a engine::Engine<'a>) -> crate::App<'a> {
[INFO] [stdout]   |                                          ^^^^^^ not found in `engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Engine` in crate `engine`
[INFO] [stdout]  --> src/lib.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     engine: &'a engine::Engine<'a>,
[INFO] [stdout]   |                         ^^^^^^ not found in `engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Engine` in crate `engine`
[INFO] [stdout]   --> src/lib.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn init(engine: &'a engine::Engine<'a>) -> Self {
[INFO] [stdout]    |                                     ^^^^^^ not found in `engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Engine` in crate `engine`
[INFO] [stdout]  --> src/platform/desktop.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn app_init<'a> (engine: &'a engine::Engine<'a>) -> crate::App<'a> {
[INFO] [stdout]   |                                          ^^^^^^ not found in `engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Engine` in crate `engine`
[INFO] [stdout]  --> src/lib.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     engine: &'a engine::Engine<'a>,
[INFO] [stdout]   |                         ^^^^^^ not found in `engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Engine` in crate `engine`
[INFO] [stdout]   --> src/lib.rs:14:37
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn init(engine: &'a engine::Engine<'a>) -> Self {
[INFO] [stdout]    |                                     ^^^^^^ not found in `engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `app`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8ad155624dddcc17299b7744e64fccd5728b629bcaadfdc623ec28f6c78df509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad155624dddcc17299b7744e64fccd5728b629bcaadfdc623ec28f6c78df509", kill_on_drop: false }`
[INFO] [stdout] 8ad155624dddcc17299b7744e64fccd5728b629bcaadfdc623ec28f6c78df509