[INFO] fetching crate smtpbis 0.1.7...
[INFO] checking smtpbis-0.1.7 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate smtpbis 0.1.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate smtpbis 0.1.7 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smtpbis 0.1.7
[INFO] finished tweaking crates.io crate smtpbis 0.1.7
[INFO] tweaked toml for crates.io crate smtpbis 0.1.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate smtpbis 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-stream v0.1.0
[INFO] [stderr]   Downloaded rustyknife v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e76ba82b66107f24219bae8b708892a8ff4f68e194a2ecddcff10cef80b8b203
[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" "e76ba82b66107f24219bae8b708892a8ff4f68e194a2ecddcff10cef80b8b203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e76ba82b66107f24219bae8b708892a8ff4f68e194a2ecddcff10cef80b8b203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76ba82b66107f24219bae8b708892a8ff4f68e194a2ecddcff10cef80b8b203", kill_on_drop: false }`
[INFO] [stdout] e76ba82b66107f24219bae8b708892a8ff4f68e194a2ecddcff10cef80b8b203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f9cb0a3ecf09155d9f6b0a944010689c1564873d5deae9fa53d4bfe3e5bcc63
[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" "0f9cb0a3ecf09155d9f6b0a944010689c1564873d5deae9fa53d4bfe3e5bcc63", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking rustyknife v0.2.11
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking tokio-stream v0.1.0
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tokio-util v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking smtpbis v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `helo`
[INFO] [stdout]   --> src/bin/smtpbis-server/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     helo: Option<DomainPart>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mail`
[INFO] [stdout]   --> src/bin/smtpbis-server/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     mail: Option<ReversePath>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `helo`
[INFO] [stdout]   --> src/bin/smtpbis-server/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     helo: Option<DomainPart>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mail`
[INFO] [stdout]   --> src/bin/smtpbis-server/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     mail: Option<ReversePath>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "0f9cb0a3ecf09155d9f6b0a944010689c1564873d5deae9fa53d4bfe3e5bcc63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f9cb0a3ecf09155d9f6b0a944010689c1564873d5deae9fa53d4bfe3e5bcc63", kill_on_drop: false }`
[INFO] [stdout] 0f9cb0a3ecf09155d9f6b0a944010689c1564873d5deae9fa53d4bfe3e5bcc63