[INFO] cloning repository https://github.com/Rogach/mkprompt
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rogach/mkprompt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRogach%2Fmkprompt"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRogach%2Fmkprompt'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f7e18c6673f127cc00fd71f4d912b73962012552
[INFO] checking Rogach/mkprompt against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRogach%2Fmkprompt" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rogach/mkprompt 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/Rogach/mkprompt
[INFO] finished tweaking git repo https://github.com/Rogach/mkprompt
[INFO] tweaked toml for git repo https://github.com/Rogach/mkprompt written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Rogach/mkprompt 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 07afb13574d72064cd90ecfbdc15d7d800dbd1dece9c1c07951ac2f6a770d6c3
[INFO] running `"docker" "start" "-a" "07afb13574d72064cd90ecfbdc15d7d800dbd1dece9c1c07951ac2f6a770d6c3"`
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling curl-sys v0.4.15
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking criterion-stats v0.3.0
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking criterion-plot v0.2.7
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]     Checking handlebars v1.0.5
[INFO] [stderr]     Checking criterion v0.2.7
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking mkprompt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `"docker" "inspect" "07afb13574d72064cd90ecfbdc15d7d800dbd1dece9c1c07951ac2f6a770d6c3"`
[INFO] running `"docker" "rm" "-f" "07afb13574d72064cd90ecfbdc15d7d800dbd1dece9c1c07951ac2f6a770d6c3"`
[INFO] [stdout] 07afb13574d72064cd90ecfbdc15d7d800dbd1dece9c1c07951ac2f6a770d6c3