[INFO] fetching crate a2lfile 2.0.0...
[INFO] checking a2lfile-2.0.0 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate a2lfile 2.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate a2lfile 2.0.0 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a2lfile 2.0.0
[INFO] finished tweaking crates.io crate a2lfile 2.0.0
[INFO] tweaked toml for crates.io crate a2lfile 2.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded a2lmacros v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd6ed611081233d1b1e077a21f6616f1a9a05f8e044039d731d7407ba06557dd
[INFO] running `Command { std: "docker" "start" "-a" "fd6ed611081233d1b1e077a21f6616f1a9a05f8e044039d731d7407ba06557dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd6ed611081233d1b1e077a21f6616f1a9a05f8e044039d731d7407ba06557dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6ed611081233d1b1e077a21f6616f1a9a05f8e044039d731d7407ba06557dd", kill_on_drop: false }`
[INFO] [stdout] fd6ed611081233d1b1e077a21f6616f1a9a05f8e044039d731d7407ba06557dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e8d1cb86178ac1a1c1eee7215e6994ec00ccf5958e0dbefd348c223625da717
[INFO] running `Command { std: "docker" "start" "-a" "8e8d1cb86178ac1a1c1eee7215e6994ec00ccf5958e0dbefd348c223625da717", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling thiserror v1.0.62
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling a2lmacros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.62
[INFO] [stderr]     Checking a2lfile v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/namemap.rs:339:27
[INFO] [stdout]     |
[INFO] [stdout] 339 |     for variant_coding in &module.variant_coding {
[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] 339 |     while let Some(variant_coding) = &module.variant_coding {
[INFO] [stdout]     |     ~~~~~~~~~~~~~~~              ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 339 |     if let Some(variant_coding) = &module.variant_coding {
[INFO] [stdout]     |     ~~~~~~~~~~~~              ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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/namemap.rs:339:27
[INFO] [stdout]     |
[INFO] [stdout] 339 |     for variant_coding in &module.variant_coding {
[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] 339 |     while let Some(variant_coding) = &module.variant_coding {
[INFO] [stdout]     |     ~~~~~~~~~~~~~~~              ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 339 |     if let Some(variant_coding) = &module.variant_coding {
[INFO] [stdout]     |     ~~~~~~~~~~~~              ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "8e8d1cb86178ac1a1c1eee7215e6994ec00ccf5958e0dbefd348c223625da717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e8d1cb86178ac1a1c1eee7215e6994ec00ccf5958e0dbefd348c223625da717", kill_on_drop: false }`
[INFO] [stdout] 8e8d1cb86178ac1a1c1eee7215e6994ec00ccf5958e0dbefd348c223625da717
