[INFO] cloning repository https://github.com/whostolemyhat/dungeon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whostolemyhat/dungeon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fdungeon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fdungeon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c5441313d98b57b8090a73af56bd81b7cd7c78f
[INFO] checking whostolemyhat/dungeon against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhostolemyhat%2Fdungeon" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whostolemyhat/dungeon on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whostolemyhat/dungeon
[INFO] finished tweaking git repo https://github.com/whostolemyhat/dungeon
[INFO] tweaked toml for git repo https://github.com/whostolemyhat/dungeon written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/whostolemyhat/dungeon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4efe4906ac430afac25eb23f6b6addbe439094ea36a37175c2266f0c856b2fec
[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" "4efe4906ac430afac25eb23f6b6addbe439094ea36a37175c2266f0c856b2fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4efe4906ac430afac25eb23f6b6addbe439094ea36a37175c2266f0c856b2fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efe4906ac430afac25eb23f6b6addbe439094ea36a37175c2266f0c856b2fec", kill_on_drop: false }`
[INFO] [stdout] 4efe4906ac430afac25eb23f6b6addbe439094ea36a37175c2266f0c856b2fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 316b1fe71dffef4b37f0686596ca8eff768664d082fd3cb05071c22eb9b294b9
[INFO] running `Command { std: "docker" "start" "-a" "316b1fe71dffef4b37f0686596ca8eff768664d082fd3cb05071c22eb9b294b9", 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] [stderr]    Compiling serde v1.0.68
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking rand v0.5.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.4
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.68
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking dungeon v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/room.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / macro_rules! room {
[INFO] [stdout] 12 | |     (
[INFO] [stdout] 13 | |         $([$( $x:expr ),*]),*
[INFO] [stdout] 14 | |     ) => (
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     )
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.51s
[INFO] running `Command { std: "docker" "inspect" "316b1fe71dffef4b37f0686596ca8eff768664d082fd3cb05071c22eb9b294b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316b1fe71dffef4b37f0686596ca8eff768664d082fd3cb05071c22eb9b294b9", kill_on_drop: false }`
[INFO] [stdout] 316b1fe71dffef4b37f0686596ca8eff768664d082fd3cb05071c22eb9b294b9