[INFO] fetching crate arraygen 0.1.14...
[INFO] checking arraygen-0.1.14 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate arraygen 0.1.14 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate arraygen 0.1.14 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 crates.io crate arraygen 0.1.14
[INFO] finished tweaking crates.io crate arraygen 0.1.14
[INFO] tweaked toml for crates.io crate arraygen 0.1.14 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b619683d2185a984443ffaf11b27aa9b93ce90a829c2694a56957b3b8fbf06a8
[INFO] running `Command { std: "docker" "start" "-a" "b619683d2185a984443ffaf11b27aa9b93ce90a829c2694a56957b3b8fbf06a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b619683d2185a984443ffaf11b27aa9b93ce90a829c2694a56957b3b8fbf06a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b619683d2185a984443ffaf11b27aa9b93ce90a829c2694a56957b3b8fbf06a8", kill_on_drop: false }`
[INFO] [stdout] b619683d2185a984443ffaf11b27aa9b93ce90a829c2694a56957b3b8fbf06a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b477822093c3180d7dbac199cc6520eb33c9da0389c4037c95b8127d084597fc
[INFO] running `Command { std: "docker" "start" "-a" "b477822093c3180d7dbac199cc6520eb33c9da0389c4037c95b8127d084597fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling compiletest_rs v0.5.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking syn v1.0.55
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking tester v0.7.0
[INFO] [stderr]    Compiling arraygen v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stdout] warning: Method 'foo' returns an empty array.
[INFO] [stdout]    --> tests/arraygen.rs:133:24
[INFO] [stdout]     |
[INFO] [stdout] 133 |         #[gen_array(fn foo: i32)]
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.98s
[INFO] running `Command { std: "docker" "inspect" "b477822093c3180d7dbac199cc6520eb33c9da0389c4037c95b8127d084597fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b477822093c3180d7dbac199cc6520eb33c9da0389c4037c95b8127d084597fc", kill_on_drop: false }`
[INFO] [stdout] b477822093c3180d7dbac199cc6520eb33c9da0389c4037c95b8127d084597fc