[INFO] cloning repository https://github.com/codeslinger/smtpd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codeslinger/smtpd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeslinger%2Fsmtpd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeslinger%2Fsmtpd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9cb890b842eb2588f5ec60ad7788f9ca4d9d40a
[INFO] testing codeslinger/smtpd against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeslinger%2Fsmtpd" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codeslinger/smtpd on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-18/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb0b9ac0007b8d9f52c924fda23116bce7a9cbd1d2c39e6d7720d5243070b157
[INFO] running `Command { std: "docker" "start" "-a" "bb0b9ac0007b8d9f52c924fda23116bce7a9cbd1d2c39e6d7720d5243070b157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb0b9ac0007b8d9f52c924fda23116bce7a9cbd1d2c39e6d7720d5243070b157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0b9ac0007b8d9f52c924fda23116bce7a9cbd1d2c39e6d7720d5243070b157", kill_on_drop: false }`
[INFO] [stdout] bb0b9ac0007b8d9f52c924fda23116bce7a9cbd1d2c39e6d7720d5243070b157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb622f1b563c5e5835c62991f658ba73819784439a3b19325e856d775fc3e412
[INFO] running `Command { std: "docker" "start" "-a" "eb622f1b563c5e5835c62991f658ba73819784439a3b19325e856d775fc3e412", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling smtpd v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `u` for number 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 numeric types (`u32`, `isize`, `f32`, 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` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "eb622f1b563c5e5835c62991f658ba73819784439a3b19325e856d775fc3e412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb622f1b563c5e5835c62991f658ba73819784439a3b19325e856d775fc3e412", kill_on_drop: false }`
[INFO] [stdout] eb622f1b563c5e5835c62991f658ba73819784439a3b19325e856d775fc3e412