[INFO] fetching crate arraygen 0.1.14...
[INFO] checking arraygen-0.1.14 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate arraygen 0.1.14 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate arraygen 0.1.14 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compiletest_rs v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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] 6cc0167b1f619f0d0b6775655b99e2df867268bbfd2d2f7e687e4665fcc2e102
[INFO] running `Command { std: "docker" "start" "-a" "6cc0167b1f619f0d0b6775655b99e2df867268bbfd2d2f7e687e4665fcc2e102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cc0167b1f619f0d0b6775655b99e2df867268bbfd2d2f7e687e4665fcc2e102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc0167b1f619f0d0b6775655b99e2df867268bbfd2d2f7e687e4665fcc2e102", kill_on_drop: false }`
[INFO] [stdout] 6cc0167b1f619f0d0b6775655b99e2df867268bbfd2d2f7e687e4665fcc2e102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f0f206fc1881c29ed0e06fce11ac6aff6c71a42e9bff1874fc45d64dfc2c813
[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" "9f0f206fc1881c29ed0e06fce11ac6aff6c71a42e9bff1874fc45d64dfc2c813", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling compiletest_rs v0.5.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking tester v0.7.0
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking arraygen v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]     Checking serde v1.0.120
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking rustfix v0.5.1
[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 42.69s
[INFO] running `Command { std: "docker" "inspect" "9f0f206fc1881c29ed0e06fce11ac6aff6c71a42e9bff1874fc45d64dfc2c813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0f206fc1881c29ed0e06fce11ac6aff6c71a42e9bff1874fc45d64dfc2c813", kill_on_drop: false }`
[INFO] [stdout] 9f0f206fc1881c29ed0e06fce11ac6aff6c71a42e9bff1874fc45d64dfc2c813