[INFO] fetching crate polilith 0.1.3... [INFO] building polilith-0.1.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate polilith 0.1.3 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate polilith 0.1.3 [INFO] finished tweaking crates.io crate polilith 0.1.3 [INFO] tweaked toml for crates.io crate polilith 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate polilith 0.1.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate polilith 0.1.3 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded xattr v0.2.2 [INFO] [stderr] Downloaded filetime v0.2.13 [INFO] [stderr] Downloaded itoa v0.4.7 [INFO] [stderr] Downloaded unicode-xid v0.2.1 [INFO] [stderr] Downloaded quote v1.0.8 [INFO] [stderr] Downloaded hermit-abi v0.1.17 [INFO] [stderr] Downloaded proc-macro2 v1.0.24 [INFO] [stderr] Downloaded syn v1.0.57 [INFO] [stderr] Downloaded regex v1.4.2 [INFO] [stderr] Downloaded unicode-width v0.1.8 [INFO] [stderr] Downloaded serde_derive v1.0.118 [INFO] [stderr] Downloaded tar v0.4.30 [INFO] [stderr] Downloaded clap v2.33.3 [INFO] [stderr] Downloaded serde_json v1.0.61 [INFO] [stderr] Downloaded regex-syntax v0.6.21 [INFO] [stderr] Downloaded serde v1.0.118 [INFO] [stderr] Downloaded libc v0.2.81 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1941dc8d3724a740f53d6c62d5d32c2474f654c8dd0bf1ab3c83048aa6b25806 [INFO] running `Command { std: "docker" "start" "-a" "1941dc8d3724a740f53d6c62d5d32c2474f654c8dd0bf1ab3c83048aa6b25806", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1941dc8d3724a740f53d6c62d5d32c2474f654c8dd0bf1ab3c83048aa6b25806", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1941dc8d3724a740f53d6c62d5d32c2474f654c8dd0bf1ab3c83048aa6b25806", kill_on_drop: false }` [INFO] [stdout] 1941dc8d3724a740f53d6c62d5d32c2474f654c8dd0bf1ab3c83048aa6b25806 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 423adf926cbdfc3ea2018372254668df67ce798605fd591f0546560baa03b611 [INFO] running `Command { std: "docker" "start" "-a" "423adf926cbdfc3ea2018372254668df67ce798605fd591f0546560baa03b611", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling regex-syntax v0.6.21 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling filetime v0.2.13 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling tar v0.4.30 [INFO] [stderr] Compiling regex v1.4.2 [INFO] [stderr] Compiling polilith v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:13:21 [INFO] [stdout] | [INFO] [stdout] 13 | for args in &message.arguments { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 13 - for args in &message.arguments { [INFO] [stdout] 13 + while let Some(args) = &message.arguments { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 13 - for args in &message.arguments { [INFO] [stdout] 13 + if let Some(args) = &message.arguments { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.86s [INFO] running `Command { std: "docker" "inspect" "423adf926cbdfc3ea2018372254668df67ce798605fd591f0546560baa03b611", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "423adf926cbdfc3ea2018372254668df67ce798605fd591f0546560baa03b611", kill_on_drop: false }` [INFO] [stdout] 423adf926cbdfc3ea2018372254668df67ce798605fd591f0546560baa03b611 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7c7def5373703156288ce003bfa18f01b53461a2bced221c93faa0f589c3a01 [INFO] running `Command { std: "docker" "start" "-a" "b7c7def5373703156288ce003bfa18f01b53461a2bced221c93faa0f589c3a01", kill_on_drop: false }` [INFO] [stderr] Compiling polilith v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:13:21 [INFO] [stdout] | [INFO] [stdout] 13 | for args in &message.arguments { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 13 - for args in &message.arguments { [INFO] [stdout] 13 + while let Some(args) = &message.arguments { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 13 - for args in &message.arguments { [INFO] [stdout] 13 + if let Some(args) = &message.arguments { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/main.rs:13:21 [INFO] [stdout] | [INFO] [stdout] 13 | for args in &message.arguments { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 13 - for args in &message.arguments { [INFO] [stdout] 13 + while let Some(args) = &message.arguments { [INFO] [stdout] | [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 13 - for args in &message.arguments { [INFO] [stdout] 13 + if let Some(args) = &message.arguments { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "b7c7def5373703156288ce003bfa18f01b53461a2bced221c93faa0f589c3a01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7c7def5373703156288ce003bfa18f01b53461a2bced221c93faa0f589c3a01", kill_on_drop: false }` [INFO] [stdout] b7c7def5373703156288ce003bfa18f01b53461a2bced221c93faa0f589c3a01