[INFO] updating cached repository https://github.com/codeslinger/smtpd
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9cb890b842eb2588f5ec60ad7788f9ca4d9d40a
[INFO] checking codeslinger/smtpd against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeslinger%2Fsmtpd" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codeslinger/smtpd on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codeslinger/smtpd
[INFO] finished tweaking git repo https://github.com/codeslinger/smtpd
[INFO] tweaked toml for git repo https://github.com/codeslinger/smtpd written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/codeslinger/smtpd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5d4f088cf2cc96d30087e60177a32e714d5aa65d15f8c981e9f5708dce44698
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d5d4f088cf2cc96d30087e60177a32e714d5aa65d15f8c981e9f5708dce44698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5d4f088cf2cc96d30087e60177a32e714d5aa65d15f8c981e9f5708dce44698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d4f088cf2cc96d30087e60177a32e714d5aa65d15f8c981e9f5708dce44698", kill_on_drop: false }`
[INFO] [stdout] d5d4f088cf2cc96d30087e60177a32e714d5aa65d15f8c981e9f5708dce44698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 544050a9bd716902cafbcd129aedc687f7c174925b1b9cab3419af2a8224de4e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "544050a9bd716902cafbcd129aedc687f7c174925b1b9cab3419af2a8224de4e", kill_on_drop: false }`
[INFO] [stderr]     Checking smtpd v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/smtpd/config.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut count = 0u;
[INFO] [stdout]    |                     ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/smtpd/config.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut count = 0u;
[INFO] [stdout]    |                     ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `log`
[INFO] [stdout]  --> src/smtpd/lib.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[phase(plugin,link)] extern crate log;
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smtpd`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `log`
[INFO] [stdout]  --> src/smtpd/lib.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[phase(plugin,link)] extern crate log;
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "544050a9bd716902cafbcd129aedc687f7c174925b1b9cab3419af2a8224de4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544050a9bd716902cafbcd129aedc687f7c174925b1b9cab3419af2a8224de4e", kill_on_drop: false }`
[INFO] [stdout] 544050a9bd716902cafbcd129aedc687f7c174925b1b9cab3419af2a8224de4e