[INFO] fetching crate letterman 0.2.7... [INFO] building letterman-0.2.7 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate letterman 0.2.7 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate letterman 0.2.7 [INFO] finished tweaking crates.io crate letterman 0.2.7 [INFO] tweaked toml for crates.io crate letterman 0.2.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate letterman 0.2.7 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 242 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.13.1 (available: v0.22.1) [INFO] [stderr] Adding dns-lookup v1.0.8 (available: v3.0.0) [INFO] [stderr] Adding flume v0.10.14 (available: v0.11.1) [INFO] [stderr] Adding md5 v0.7.0 (available: v0.8.0) [INFO] [stderr] Adding quoted_printable v0.4.8 (available: v0.5.1) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding rustls-pemfile v0.2.1 (available: v2.2.0) [INFO] [stderr] Adding tokio-rustls v0.23.4 (available: v0.26.4) [INFO] [stderr] Adding trust-dns-resolver v0.20.4 (available: v0.23.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unique_id v0.1.7 [INFO] [stderr] Downloaded tokio_spf_validator v1.0.3 [INFO] [stderr] Downloaded sha256 v1.6.0 [INFO] [stderr] Downloaded trust-dns-proto v0.20.4 [INFO] [stderr] Downloaded dns-lookup v1.0.8 [INFO] [stderr] Downloaded gzb_binary_69 v0.2.2 [INFO] [stderr] Downloaded cidr v0.2.3 [INFO] [stderr] Downloaded trust-dns-resolver v0.20.4 [INFO] [stderr] Downloaded blob-uuid v0.5.0 [INFO] [stderr] Downloaded ipconfig v0.2.2 [INFO] [stderr] Downloaded new_mime_guess v4.0.4 [INFO] [stderr] Downloaded rustque v1.1.1 [INFO] [stderr] Downloaded rustls-pemfile v0.2.1 [INFO] [stderr] Downloaded quoted_printable v0.4.8 [INFO] [stderr] Downloaded letterman_email_body_parser v1.0.5 [INFO] [stderr] Downloaded enum-as-inner v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5412e9f637c95f5d0895f5dec56b28b26b5f3e323ae83d4a6a757a6bfab9f145 [INFO] running `Command { std: "docker" "start" "-a" "5412e9f637c95f5d0895f5dec56b28b26b5f3e323ae83d4a6a757a6bfab9f145", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5412e9f637c95f5d0895f5dec56b28b26b5f3e323ae83d4a6a757a6bfab9f145", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5412e9f637c95f5d0895f5dec56b28b26b5f3e323ae83d4a6a757a6bfab9f145", kill_on_drop: false }` [INFO] [stdout] 5412e9f637c95f5d0895f5dec56b28b26b5f3e323ae83d4a6a757a6bfab9f145 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f0fdd0108039796b65253e05b91f879ae18e5f915e21e21ab4388860d21ed2b6 [INFO] running `Command { std: "docker" "start" "-a" "f0fdd0108039796b65253e05b91f879ae18e5f915e21e21ab4388860d21ed2b6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling instant v0.1.13 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling new_mime_guess v4.0.4 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling gzb_binary_69 v0.2.2 [INFO] [stderr] Compiling cidr v0.2.3 [INFO] [stderr] Compiling quoted_printable v0.4.8 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling rustls-pemfile v0.2.1 [INFO] [stderr] Compiling md5 v0.7.0 [INFO] [stderr] Compiling url v2.5.7 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling sha2 v0.10.9 [INFO] [stderr] Compiling enum-as-inner v0.4.0 [INFO] [stderr] Compiling enum-as-inner v0.3.4 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling socket2 v0.6.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.6 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling socket2 v0.4.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Compiling nanorand v0.7.0 [INFO] [stderr] Compiling uuid v1.18.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling dns-lookup v1.0.8 [INFO] [stderr] Compiling flume v0.10.14 [INFO] [stderr] Compiling blob-uuid v0.5.0 [INFO] [stderr] Compiling unique_id v0.1.7 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling rustls v0.20.9 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Compiling sct v0.7.1 [INFO] [stderr] Compiling webpki v0.22.4 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling trust-dns-proto v0.20.4 [INFO] [stderr] Compiling trust-dns-proto v0.21.2 [INFO] [stderr] Compiling rustque v1.1.1 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling tokio-rustls v0.23.4 [INFO] [stderr] Compiling sha256 v1.6.0 [INFO] [stderr] Compiling trust-dns-resolver v0.21.2 [INFO] [stderr] Compiling trust-dns-resolver v0.20.4 [INFO] [stderr] Compiling letterman_email_body_parser v1.0.5 [INFO] [stderr] Compiling tokio_spf_validator v1.0.3 [INFO] [stderr] Compiling letterman v0.2.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/common.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | format!("!!! {:?}",v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = format!("!!! {:?}",v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.45s [INFO] running `Command { std: "docker" "inspect" "f0fdd0108039796b65253e05b91f879ae18e5f915e21e21ab4388860d21ed2b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0fdd0108039796b65253e05b91f879ae18e5f915e21e21ab4388860d21ed2b6", kill_on_drop: false }` [INFO] [stdout] f0fdd0108039796b65253e05b91f879ae18e5f915e21e21ab4388860d21ed2b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b576f884270a793b498803a2023b4e06fb8cafc5e511841688032be3da187de6 [INFO] running `Command { std: "docker" "start" "-a" "b576f884270a793b498803a2023b4e06fb8cafc5e511841688032be3da187de6", kill_on_drop: false }` [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/common.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | format!("!!! {:?}",v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = format!("!!! {:?}",v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling letterman v0.2.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/common.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 41 | format!("!!! {:?}",v); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = format!("!!! {:?}",v); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 4.42s [INFO] running `Command { std: "docker" "inspect" "b576f884270a793b498803a2023b4e06fb8cafc5e511841688032be3da187de6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b576f884270a793b498803a2023b4e06fb8cafc5e511841688032be3da187de6", kill_on_drop: false }` [INFO] [stdout] b576f884270a793b498803a2023b4e06fb8cafc5e511841688032be3da187de6