[INFO] cloning repository https://github.com/distill-io/mail_extractor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/distill-io/mail_extractor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistill-io%2Fmail_extractor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistill-io%2Fmail_extractor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce9e253191ea7c9ce0b80956f164e4e56e070b98 [INFO] testing distill-io/mail_extractor against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistill-io%2Fmail_extractor" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/distill-io/mail_extractor on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/distill-io/mail_extractor [INFO] finished tweaking git repo https://github.com/distill-io/mail_extractor [INFO] tweaked toml for git repo https://github.com/distill-io/mail_extractor written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/distill-io/mail_extractor already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded selectors v0.21.0 [INFO] [stderr] Downloaded procedural-masquerade v0.1.6 [INFO] [stderr] Downloaded thiserror v1.0.9 [INFO] [stderr] Downloaded quoted_printable v0.4.1 [INFO] [stderr] Downloaded lol_html v0.1.0 [INFO] [stderr] Downloaded cssparser v0.25.9 [INFO] [stderr] Downloaded thiserror-impl v1.0.9 [INFO] [stderr] Downloaded mailparse v0.10.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50edf3100786304705c9b12337797f452465903b9bcae713655119fc8f4f1e69 [INFO] running `Command { std: "docker" "start" "-a" "50edf3100786304705c9b12337797f452465903b9bcae713655119fc8f4f1e69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50edf3100786304705c9b12337797f452465903b9bcae713655119fc8f4f1e69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50edf3100786304705c9b12337797f452465903b9bcae713655119fc8f4f1e69", kill_on_drop: false }` [INFO] [stdout] 50edf3100786304705c9b12337797f452465903b9bcae713655119fc8f4f1e69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5037b2afbaebf59a6feabcc59f680cd1a55083bc7b340a393c19ead8571e419 [INFO] running `Command { std: "docker" "start" "-a" "d5037b2afbaebf59a6feabcc59f680cd1a55083bc7b340a393c19ead8571e419", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Compiling procedural-masquerade v0.1.6 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling dtoa v0.4.4 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling thin-slice v0.1.1 [INFO] [stderr] Compiling regex-syntax v0.6.13 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling quoted_printable v0.4.1 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling htmlescape v0.3.1 [INFO] [stderr] Compiling base64 v0.11.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling servo_arc v0.1.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling dtoa-short v0.3.2 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling charset v0.1.2 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling mailparse v0.10.2 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling selectors v0.21.0 [INFO] [stderr] Compiling regex v1.3.3 [INFO] [stderr] Compiling cssparser v0.25.9 [INFO] [stderr] Compiling cssparser-macros v0.3.6 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling thiserror-impl v1.0.9 [INFO] [stderr] Compiling thiserror v1.0.9 [INFO] [stderr] Compiling lol_html v0.1.0 [INFO] [stderr] Compiling uuid v0.8.1 [INFO] [stderr] Compiling mail_extractor v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:145:3 [INFO] [stdout] | [INFO] [stdout] 145 | &first_context.insert(key.clone(), value.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 145 | let _ = &first_context.insert(key.clone(), value.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 52.93s [INFO] running `Command { std: "docker" "inspect" "d5037b2afbaebf59a6feabcc59f680cd1a55083bc7b340a393c19ead8571e419", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5037b2afbaebf59a6feabcc59f680cd1a55083bc7b340a393c19ead8571e419", kill_on_drop: false }` [INFO] [stdout] d5037b2afbaebf59a6feabcc59f680cd1a55083bc7b340a393c19ead8571e419 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac4d250a5e77dc8c0f37357ef1eb71fbc7f0a92559b4d00373588d07cc632ab4 [INFO] running `Command { std: "docker" "start" "-a" "ac4d250a5e77dc8c0f37357ef1eb71fbc7f0a92559b4d00373588d07cc632ab4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling mail_extractor v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:145:3 [INFO] [stdout] | [INFO] [stdout] 145 | &first_context.insert(key.clone(), value.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 145 | let _ = &first_context.insert(key.clone(), value.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:145:3 [INFO] [stdout] | [INFO] [stdout] 145 | &first_context.insert(key.clone(), value.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 145 | let _ = &first_context.insert(key.clone(), value.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.69s [INFO] running `Command { std: "docker" "inspect" "ac4d250a5e77dc8c0f37357ef1eb71fbc7f0a92559b4d00373588d07cc632ab4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac4d250a5e77dc8c0f37357ef1eb71fbc7f0a92559b4d00373588d07cc632ab4", kill_on_drop: false }` [INFO] [stdout] ac4d250a5e77dc8c0f37357ef1eb71fbc7f0a92559b4d00373588d07cc632ab4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e1810520572ee76a091c7973883c351ef5ae9c3f700493226bdfd4d759d97db0 [INFO] running `Command { std: "docker" "start" "-a" "e1810520572ee76a091c7973883c351ef5ae9c3f700493226bdfd4d759d97db0", kill_on_drop: false }` [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib.rs:145:3 [INFO] [stderr] | [INFO] [stderr] 145 | &first_context.insert(key.clone(), value.clone()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 145 | let _ = &first_context.insert(key.clone(), value.clone()); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `mail_extractor` (lib) generated 1 warning [INFO] [stderr] warning: `mail_extractor` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mail_extractor-4e4c1862583a6eab) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests mail_extractor [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e1810520572ee76a091c7973883c351ef5ae9c3f700493226bdfd4d759d97db0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1810520572ee76a091c7973883c351ef5ae9c3f700493226bdfd4d759d97db0", kill_on_drop: false }` [INFO] [stdout] e1810520572ee76a091c7973883c351ef5ae9c3f700493226bdfd4d759d97db0