[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] checking thekvs/fake-smtpd against master#a5db378dc14a40dd1580c27fb8362156446382c3 for pr-136490
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekvs%2Ffake-smtpd" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thekvs/fake-smtpd on toolchain a5db378dc14a40dd1580c27fb8362156446382c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "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-6-tc1/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" "+a5db378dc14a40dd1580c27fb8362156446382c3" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 065f4694bbe59f84f20b5a69907c7de7e78f31b5c5d1a45e2ff5b7e1bfaac881
[INFO] running `Command { std: "docker" "start" "-a" "065f4694bbe59f84f20b5a69907c7de7e78f31b5c5d1a45e2ff5b7e1bfaac881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "065f4694bbe59f84f20b5a69907c7de7e78f31b5c5d1a45e2ff5b7e1bfaac881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065f4694bbe59f84f20b5a69907c7de7e78f31b5c5d1a45e2ff5b7e1bfaac881", kill_on_drop: false }`
[INFO] [stdout] 065f4694bbe59f84f20b5a69907c7de7e78f31b5c5d1a45e2ff5b7e1bfaac881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b0bbc45f854396868fda0fc04fb9c74167c391c16e3c39f236fdc1984fbd7bc
[INFO] running `Command { std: "docker" "start" "-a" "7b0bbc45f854396868fda0fc04fb9c74167c391c16e3c39f236fdc1984fbd7bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ctrlc v3.4.2
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking 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] [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 `dev` profile [unoptimized + debuginfo] target(s) in 10.55s
[INFO] running `Command { std: "docker" "inspect" "7b0bbc45f854396868fda0fc04fb9c74167c391c16e3c39f236fdc1984fbd7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0bbc45f854396868fda0fc04fb9c74167c391c16e3c39f236fdc1984fbd7bc", kill_on_drop: false }`
[INFO] [stdout] 7b0bbc45f854396868fda0fc04fb9c74167c391c16e3c39f236fdc1984fbd7bc