[INFO] cloning repository https://github.com/umigv/rust_laser_logger
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umigv/rust_laser_logger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumigv%2Frust_laser_logger"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumigv%2Frust_laser_logger'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 06b0d3ffc7308e7138d139ae81a047c088824c79
[INFO] checking umigv/rust_laser_logger against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumigv%2Frust_laser_logger" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umigv/rust_laser_logger on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/umigv/rust_laser_logger
[INFO] finished tweaking git repo https://github.com/umigv/rust_laser_logger
[INFO] tweaked toml for git repo https://github.com/umigv/rust_laser_logger written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/umigv/rust_laser_logger already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: path `/workspace/builds/worker-4/source/src/log_laserscan.rs` was erroneously implicitly accepted for library `log_laserscan`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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] 9972912e530c034056be244f760b22385832ef58431bfa7b0ac8e48c8f82eb70
[INFO] running `"docker" "start" "-a" "9972912e530c034056be244f760b22385832ef58431bfa7b0ac8e48c8f82eb70"`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/log_laserscan.rs` was erroneously implicitly accepted for library `log_laserscan`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]    Compiling rust_laser_logger v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> build.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut dirs = match env::var(variable) {
[INFO] [stderr]   |         ----^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> build.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut dir_iter = dirs.split(":");
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error[E0464]: multiple matching crates for `test`
[INFO] [stderr]   |
[INFO] [stderr]   = note: candidates:
[INFO] [stderr]           crate `test`: /opt/rustwide/rustup-home/toolchains/ba14a92a10441c4b839ce71e6ef5f7a48bbff18f/lib/libtest-4948206aa0ac4302.so
[INFO] [stderr]           /opt/rustwide/rustup-home/toolchains/ba14a92a10441c4b839ce71e6ef5f7a48bbff18f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-4948206aa0ac4302.rlib
[INFO] [stderr] 
[INFO] [stderr] error[E0514]: found crate `test` compiled by an incompatible version of rustc
[INFO] [stderr]   |
[INFO] [stderr]   = help: please recompile that crate using this compiler (rustc 1.40.0-nightly (ba14a92a1 2019-10-25))
[INFO] [stderr]   = note: the following crate versions were found:
[INFO] [stderr]           crate `test` compiled by rustc 1.40.0-nightly (b61e69433 2019-09-28): /opt/rustwide/target/debug/deps/libtest_assets-9101d7fb85c0285f.rmeta
[INFO] [stderr]           crate `test` compiled by rustc 1.40.0-nightly (b61e69433 2019-09-28): /opt/rustwide/target/debug/deps/libtestcontainers-1704b9c504dd4fb0.rmeta
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rust_laser_logger`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9972912e530c034056be244f760b22385832ef58431bfa7b0ac8e48c8f82eb70"`
[INFO] running `"docker" "rm" "-f" "9972912e530c034056be244f760b22385832ef58431bfa7b0ac8e48c8f82eb70"`
[INFO] [stdout] 9972912e530c034056be244f760b22385832ef58431bfa7b0ac8e48c8f82eb70