Nov 01 08:06:04.918 INFO checking benbrunton/rust_minesweeper against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 08:06:04.920 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 08:06:05.329 INFO blam! c89ae7521873beae3846016bd59332f0af0b992555b4b96ad86f174e2c6675e6
Nov 01 08:06:05.331 INFO running `"docker" "start" "-a" "c89ae7521873beae3846016bd59332f0af0b992555b4b96ad86f174e2c6675e6"`
Nov 01 08:06:06.394 INFO kablam! usermod: no changes
Nov 01 08:06:06.437 INFO kablam!     Checking libc v0.2.9
Nov 01 08:06:06.438 INFO kablam!     Checking mempool v0.3.1
Nov 01 08:06:06.438 INFO kablam!     Checking regex-syntax v0.3.1
Nov 01 08:06:07.478 INFO kablam!     Checking memchr v0.1.11
Nov 01 08:06:07.478 INFO kablam!     Checking rand v0.3.14
Nov 01 08:06:08.556 INFO kablam!     Checking aho-corasick v0.5.1
Nov 01 08:06:09.556 INFO kablam!     Checking regex v0.1.65
Nov 01 08:06:11.774 INFO kablam!     Checking rust-mines v0.1.0 (/source)
Nov 01 08:06:12.872 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.46s
Nov 01 08:06:12.874 INFO kablam! su: No module specific data is present
Nov 01 08:06:13.584 INFO running `"docker" "rm" "-f" "c89ae7521873beae3846016bd59332f0af0b992555b4b96ad86f174e2c6675e6"`
Nov 01 08:06:13.771 INFO blam! c89ae7521873beae3846016bd59332f0af0b992555b4b96ad86f174e2c6675e6