Sep 19 22:37:42.156 INFO checking mackerel_client-0.2.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 22:37:42.156 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 22:37:42.156 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-6/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 22:37:42.308 INFO blam! 101105571d55d33b5fd155a6a052531ccf21a0aa1f88903e1c6d1e307b71f0a3
Sep 19 22:37:42.309 INFO running `"docker" "start" "-a" "101105571d55d33b5fd155a6a052531ccf21a0aa1f88903e1c6d1e307b71f0a3"`
Sep 19 22:37:43.485 INFO kablam! usermod: no changes
Sep 19 22:37:43.682 INFO kablam!     Checking mackerel_client v0.2.0 (/source)
Sep 19 22:37:46.336 INFO kablam! warning: unused `#[macro_use]` import
Sep 19 22:37:46.336 INFO kablam!   --> src/lib.rs:28:1
Sep 19 22:37:46.336 INFO kablam!    |
Sep 19 22:37:46.336 INFO kablam! 28 | #[macro_use]
Sep 19 22:37:46.336 INFO kablam!    | ^^^^^^^^^^^^
Sep 19 22:37:46.336 INFO kablam!    |
Sep 19 22:37:46.336 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 19 22:37:46.336 INFO kablam! 
Sep 19 22:37:48.798 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
Sep 19 22:37:48.811 INFO kablam! su: No module specific data is present
Sep 19 22:37:49.611 INFO running `"docker" "rm" "-f" "101105571d55d33b5fd155a6a052531ccf21a0aa1f88903e1c6d1e307b71f0a3"`
Sep 19 22:37:49.728 INFO blam! 101105571d55d33b5fd155a6a052531ccf21a0aa1f88903e1c6d1e307b71f0a3