[INFO] fetching crate rmilter 0.2.0...
[INFO] building rmilter-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rmilter 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rmilter 0.2.0
[INFO] finished tweaking crates.io crate rmilter 0.2.0
[INFO] tweaked toml for crates.io crate rmilter 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmilter 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding quoted_printable v0.4.8 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9577d0b7e1621a3c296876869f958302c42bfb94e1313f3a8cab36c69085a0c1
[INFO] running `Command { std: "docker" "start" "-a" "9577d0b7e1621a3c296876869f958302c42bfb94e1313f3a8cab36c69085a0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9577d0b7e1621a3c296876869f958302c42bfb94e1313f3a8cab36c69085a0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9577d0b7e1621a3c296876869f958302c42bfb94e1313f3a8cab36c69085a0c1", kill_on_drop: false }`
[INFO] [stdout] 9577d0b7e1621a3c296876869f958302c42bfb94e1313f3a8cab36c69085a0c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fd367f0aaa066f739f600d0939c322cd9842360a6c0d2a0e07add661fa999c3
[INFO] running `Command { std: "docker" "start" "-a" "0fd367f0aaa066f739f600d0939c322cd9842360a6c0d2a0e07add661fa999c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling quoted_printable v0.4.8
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling charset v0.1.5
[INFO] [stderr]    Compiling rmilter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `protocol` is never read
[INFO] [stdout]   --> src/milter_message.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     OptionNegotiation {
[INFO] [stdout]    |     ----------------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 40 |         protocol: MilterProtocol,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MilterMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]    --> src/milter_message.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub struct MilterMacro {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 180 |     /// The name of the macro.
[INFO] [stdout] 181 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 182 |     /// The macro value.
[INFO] [stdout] 183 |     value: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MilterMacro` 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 3.40s
[INFO] running `Command { std: "docker" "inspect" "0fd367f0aaa066f739f600d0939c322cd9842360a6c0d2a0e07add661fa999c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd367f0aaa066f739f600d0939c322cd9842360a6c0d2a0e07add661fa999c3", kill_on_drop: false }`
[INFO] [stdout] 0fd367f0aaa066f739f600d0939c322cd9842360a6c0d2a0e07add661fa999c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b20bd1e856760fe3e947b3a2c2994baca2e3109b79d7e234ea520c1fed1067d1
[INFO] running `Command { std: "docker" "start" "-a" "b20bd1e856760fe3e947b3a2c2994baca2e3109b79d7e234ea520c1fed1067d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmilter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `protocol` is never read
[INFO] [stdout]   --> src/milter_message.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     OptionNegotiation {
[INFO] [stdout]    |     ----------------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 40 |         protocol: MilterProtocol,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MilterMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]    --> src/milter_message.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub struct MilterMacro {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 180 |     /// The name of the macro.
[INFO] [stdout] 181 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 182 |     /// The macro value.
[INFO] [stdout] 183 |     value: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MilterMacro` 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 `protocol` is never read
[INFO] [stdout]   --> src/milter_message.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     OptionNegotiation {
[INFO] [stdout]    |     ----------------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 40 |         protocol: MilterProtocol,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MilterMessage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `value` are never read
[INFO] [stdout]    --> src/milter_message.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub struct MilterMacro {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 180 |     /// The name of the macro.
[INFO] [stdout] 181 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 182 |     /// The macro value.
[INFO] [stdout] 183 |     value: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MilterMacro` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "b20bd1e856760fe3e947b3a2c2994baca2e3109b79d7e234ea520c1fed1067d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20bd1e856760fe3e947b3a2c2994baca2e3109b79d7e234ea520c1fed1067d1", kill_on_drop: false }`
[INFO] [stdout] b20bd1e856760fe3e947b3a2c2994baca2e3109b79d7e234ea520c1fed1067d1