[INFO] updating cached repository https://github.com/jdferreira/following-thebennybox-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e66183a4dfdabd6a13383b5577d5ee41ba26a2e
[INFO] checking jdferreira/following-thebennybox-tutorial against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdferreira%2Ffollowing-thebennybox-tutorial" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jdferreira/following-thebennybox-tutorial on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jdferreira/following-thebennybox-tutorial
[INFO] finished tweaking git repo https://github.com/jdferreira/following-thebennybox-tutorial
[INFO] tweaked toml for git repo https://github.com/jdferreira/following-thebennybox-tutorial written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jdferreira/following-thebennybox-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63e2ddb0afdf7237118752f5c85a10ebbe2d01f11fdadfb21f0cfb8b12bcb45b
[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" "63e2ddb0afdf7237118752f5c85a10ebbe2d01f11fdadfb21f0cfb8b12bcb45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63e2ddb0afdf7237118752f5c85a10ebbe2d01f11fdadfb21f0cfb8b12bcb45b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e2ddb0afdf7237118752f5c85a10ebbe2d01f11fdadfb21f0cfb8b12bcb45b", kill_on_drop: false }`
[INFO] [stdout] 63e2ddb0afdf7237118752f5c85a10ebbe2d01f11fdadfb21f0cfb8b12bcb45b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d92e2ac326f25aa1248b4751be4d37d2bf6a6e46ed334808daf51871160ee54
[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" "5d92e2ac326f25aa1248b4751be4d37d2bf6a6e46ed334808daf51871160ee54", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.9.1
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[INFO] [stderr]    Compiling itoa v0.3.4
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[INFO] [stdout] warning: associated function is never used: `key_is_down`
[INFO] [stdout]    --> src/engine/input.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn key_is_down(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mouse_is_down`
[INFO] [stdout]    --> src/engine/input.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub  fn mouse_is_down(&self, button: MouseButton) -> bool {
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_is_down`
[INFO] [stdout]    --> src/engine/input.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn key_is_down(&self, keycode: VirtualKeyCode) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mouse_is_down`
[INFO] [stdout]    --> src/engine/input.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub  fn mouse_is_down(&self, button: MouseButton) -> bool {
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "5d92e2ac326f25aa1248b4751be4d37d2bf6a6e46ed334808daf51871160ee54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d92e2ac326f25aa1248b4751be4d37d2bf6a6e46ed334808daf51871160ee54", kill_on_drop: false }`
[INFO] [stdout] 5d92e2ac326f25aa1248b4751be4d37d2bf6a6e46ed334808daf51871160ee54