[INFO] cloning repository https://github.com/staktrace/khaki
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/staktrace/khaki" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstaktrace%2Fkhaki", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstaktrace%2Fkhaki'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c833d8de4037070c8a80442d27eb0678588c6649
[INFO] checking staktrace/khaki against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstaktrace%2Fkhaki" "/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/staktrace/khaki on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/staktrace/khaki
[INFO] finished tweaking git repo https://github.com/staktrace/khaki
[INFO] tweaked toml for git repo https://github.com/staktrace/khaki written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/staktrace/khaki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec5094c7c2a2b5cc9f005c37d7a4e1cddf89695522ab26d175de3ac55b62d4ff
[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" "ec5094c7c2a2b5cc9f005c37d7a4e1cddf89695522ab26d175de3ac55b62d4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec5094c7c2a2b5cc9f005c37d7a4e1cddf89695522ab26d175de3ac55b62d4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5094c7c2a2b5cc9f005c37d7a4e1cddf89695522ab26d175de3ac55b62d4ff", kill_on_drop: false }`
[INFO] [stdout] ec5094c7c2a2b5cc9f005c37d7a4e1cddf89695522ab26d175de3ac55b62d4ff
[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=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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1f19ecda700ac56a1b8f01db6a2c2463fe44955ab3ee7738947649f412a56b6
[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" "b1f19ecda700ac56a1b8f01db6a2c2463fe44955ab3ee7738947649f412a56b6", kill_on_drop: false }`
[INFO] [stderr]     Checking hmac-sha256 v0.1.2
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking khaki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found keyword `for`
[INFO] [stdout]  --> examples/args.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | for arg in args().skip(1) {
[INFO] [stdout]   | ^^^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `khaki`
[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: expected item, found keyword `let`
[INFO] [stdout]  --> examples/echo.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | let stdin = stdin();
[INFO] [stdout]   | ^^^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b1f19ecda700ac56a1b8f01db6a2c2463fe44955ab3ee7738947649f412a56b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f19ecda700ac56a1b8f01db6a2c2463fe44955ab3ee7738947649f412a56b6", kill_on_drop: false }`
[INFO] [stdout] b1f19ecda700ac56a1b8f01db6a2c2463fe44955ab3ee7738947649f412a56b6