[INFO] fetching crate khaki 0.2.0...
[INFO] checking khaki-0.2.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate khaki 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate khaki 0.2.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate khaki 0.2.0
[INFO] finished tweaking crates.io crate khaki 0.2.0
[INFO] tweaked toml for crates.io crate khaki 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate khaki 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e647739155b47c886012b461a779118d5465d51d173ec0f8159e623d7484ad3
[INFO] running `Command { std: "docker" "start" "-a" "9e647739155b47c886012b461a779118d5465d51d173ec0f8159e623d7484ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e647739155b47c886012b461a779118d5465d51d173ec0f8159e623d7484ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e647739155b47c886012b461a779118d5465d51d173ec0f8159e623d7484ad3", kill_on_drop: false }`
[INFO] [stdout] 9e647739155b47c886012b461a779118d5465d51d173ec0f8159e623d7484ad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 287fb3f4a5a9ee2e7f89ddaccbb4985bd6f20466ee8d44fb4e954ff4092cb663
[INFO] running `Command { std: "docker" "start" "-a" "287fb3f4a5a9ee2e7f89ddaccbb4985bd6f20466ee8d44fb4e954ff4092cb663", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[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 v0.2.0 (/opt/rustwide/workdir)
[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] [stderr] error: could not compile `khaki` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "287fb3f4a5a9ee2e7f89ddaccbb4985bd6f20466ee8d44fb4e954ff4092cb663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287fb3f4a5a9ee2e7f89ddaccbb4985bd6f20466ee8d44fb4e954ff4092cb663", kill_on_drop: false }`
[INFO] [stdout] 287fb3f4a5a9ee2e7f89ddaccbb4985bd6f20466ee8d44fb4e954ff4092cb663