[INFO] updating cached repository https://github.com/klemens/2i-emulator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/klemens/2i-emulator
[INFO] [stderr]    c692a3e..f77eb46  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f77eb46d4c5674596e3b964c0d0595434782acf7
[INFO] checking klemens/2i-emulator against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklemens%2F2i-emulator" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/klemens/2i-emulator on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/klemens/2i-emulator
[INFO] finished tweaking git repo https://github.com/klemens/2i-emulator
[INFO] tweaked toml for git repo https://github.com/klemens/2i-emulator written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/klemens/2i-emulator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dadb0e50ee629638986715a0460ec719ca3be8970ae8637a02cfc8951ee6aefd
[INFO] running `"docker" "start" "-a" "dadb0e50ee629638986715a0460ec719ca3be8970ae8637a02cfc8951ee6aefd"`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking cmdline-parser v0.1.0
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking rustyline v1.0.0 (https://github.com/klemens/rustyline.git?branch=2i-emulator#2e74e40c)
[INFO] [stderr]     Checking 2i-emulator v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.61s
[INFO] running `"docker" "inspect" "dadb0e50ee629638986715a0460ec719ca3be8970ae8637a02cfc8951ee6aefd"`
[INFO] running `"docker" "rm" "-f" "dadb0e50ee629638986715a0460ec719ca3be8970ae8637a02cfc8951ee6aefd"`
[INFO] [stdout] dadb0e50ee629638986715a0460ec719ca3be8970ae8637a02cfc8951ee6aefd