[INFO] cloning repository https://github.com/thekvs/fake-smtpd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thekvs/fake-smtpd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekvs%2Ffake-smtpd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekvs%2Ffake-smtpd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e243e65b27019ef93854b643b8bee829d520a49
[INFO] testing thekvs/fake-smtpd against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekvs%2Ffake-smtpd" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thekvs/fake-smtpd on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thekvs/fake-smtpd
[INFO] finished tweaking git repo https://github.com/thekvs/fake-smtpd
[INFO] tweaked toml for git repo https://github.com/thekvs/fake-smtpd written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/thekvs/fake-smtpd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b227bde43dc030ce1f4bc95c2654d98a9380c45d8c02de06ed6971c7adf48eb
[INFO] running `Command { std: "docker" "start" "-a" "4b227bde43dc030ce1f4bc95c2654d98a9380c45d8c02de06ed6971c7adf48eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b227bde43dc030ce1f4bc95c2654d98a9380c45d8c02de06ed6971c7adf48eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b227bde43dc030ce1f4bc95c2654d98a9380c45d8c02de06ed6971c7adf48eb", kill_on_drop: false }`
[INFO] [stdout] 4b227bde43dc030ce1f4bc95c2654d98a9380c45d8c02de06ed6971c7adf48eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b62472a3111eb8bb6e557497f258dcdb00ff4d9c0d79d71dc2467d5d8824699b
[INFO] running `Command { std: "docker" "start" "-a" "b62472a3111eb8bb6e557497f258dcdb00ff4d9c0d79d71dc2467d5d8824699b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ctrlc v3.4.2
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling fake-smtpd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `last_command` is never read
[INFO] [stdout]   --> src/proto.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Protocol {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub last_command: Command,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Protocol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `origin` is never read
[INFO] [stdout]  --> src/proto/command.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Command {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub origin: String,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.56s
[INFO] running `Command { std: "docker" "inspect" "b62472a3111eb8bb6e557497f258dcdb00ff4d9c0d79d71dc2467d5d8824699b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62472a3111eb8bb6e557497f258dcdb00ff4d9c0d79d71dc2467d5d8824699b", kill_on_drop: false }`
[INFO] [stdout] b62472a3111eb8bb6e557497f258dcdb00ff4d9c0d79d71dc2467d5d8824699b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab210342cd46b85d268caa77fac2e4a23dda5f0a298b2eb2e298a2b66cac3492
[INFO] running `Command { std: "docker" "start" "-a" "ab210342cd46b85d268caa77fac2e4a23dda5f0a298b2eb2e298a2b66cac3492", kill_on_drop: false }`
[INFO] [stderr]    Compiling fake-smtpd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `last_command` is never read
[INFO] [stdout]   --> src/proto.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Protocol {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub last_command: Command,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Protocol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "ab210342cd46b85d268caa77fac2e4a23dda5f0a298b2eb2e298a2b66cac3492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab210342cd46b85d268caa77fac2e4a23dda5f0a298b2eb2e298a2b66cac3492", kill_on_drop: false }`
[INFO] [stdout] ab210342cd46b85d268caa77fac2e4a23dda5f0a298b2eb2e298a2b66cac3492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6ef8f5487b72aac06b4f69c62c793a25caee6c0a16cf26b71a895e6fa157748
[INFO] running `Command { std: "docker" "start" "-a" "c6ef8f5487b72aac06b4f69c62c793a25caee6c0a16cf26b71a895e6fa157748", kill_on_drop: false }`
[INFO] [stderr] warning: field `last_command` is never read
[INFO] [stderr]   --> src/proto.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct Protocol {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub last_command: Command,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Protocol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fake-smtpd` (bin "fake-smtpd" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fake_smtpd-191631a780b1be7a)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test proto::command::tests::parse_command_test2 ... ok
[INFO] [stdout] test proto::command::tests::parse_command_test1 ... ok
[INFO] [stdout] test proto::tests::mail_command_test3 ... ok
[INFO] [stdout] test proto::tests::mail_command_test2 ... ok
[INFO] [stdout] test proto::tests::mail_command_test4 ... ok
[INFO] [stdout] test proto::tests::mail_command_test1 ... ok
[INFO] [stdout] test proto::tests::rcpt_command_test2 ... ok
[INFO] [stdout] test proto::tests::rcpt_command_test3 ... ok
[INFO] [stdout] test proto::tests::rcpt_command_test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6ef8f5487b72aac06b4f69c62c793a25caee6c0a16cf26b71a895e6fa157748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ef8f5487b72aac06b4f69c62c793a25caee6c0a16cf26b71a895e6fa157748", kill_on_drop: false }`
[INFO] [stdout] c6ef8f5487b72aac06b4f69c62c793a25caee6c0a16cf26b71a895e6fa157748