[INFO] cloning repository https://github.com/snok/printf-log-formatter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snok/printf-log-formatter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnok%2Fprintf-log-formatter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnok%2Fprintf-log-formatter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd3f6be7bbd6dcd5f3b7a66dae1385eb2bb9bfa7
[INFO] checking snok/printf-log-formatter against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnok%2Fprintf-log-formatter" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snok/printf-log-formatter
[INFO] finished tweaking git repo https://github.com/snok/printf-log-formatter
[INFO] tweaked toml for git repo https://github.com/snok/printf-log-formatter written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snok/printf-log-formatter on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snok/printf-log-formatter 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/RustPython/RustPython.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/youknowone/unicode_names2.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.19.9
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44886c0483a46f27a1d44ced8b7cd34a6fb1fd6b782231cc59a8d0a9d171a3c2
[INFO] running `Command { std: "docker" "start" "-a" "44886c0483a46f27a1d44ced8b7cd34a6fb1fd6b782231cc59a8d0a9d171a3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44886c0483a46f27a1d44ced8b7cd34a6fb1fd6b782231cc59a8d0a9d171a3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44886c0483a46f27a1d44ced8b7cd34a6fb1fd6b782231cc59a8d0a9d171a3c2", kill_on_drop: false }`
[INFO] [stdout] 44886c0483a46f27a1d44ced8b7cd34a6fb1fd6b782231cc59a8d0a9d171a3c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53bc29e81fd268833554c662dc874d8bbd37f6e4ecd9040d7c5b70d8e64cf598
[INFO] running `Command { std: "docker" "start" "-a" "53bc29e81fd268833554c662dc874d8bbd37f6e4ecd9040d7c5b70d8e64cf598", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
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[INFO] [stderr]     Checking pin-project-lite v0.2.9
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[INFO] [stderr]    Compiling aho-corasick v0.7.20
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[INFO] [stderr]    Compiling rand_core v0.6.4
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[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking futures-io v0.3.28
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[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr]     Checking clap_builder v4.2.1
[INFO] [stderr]     Checking unicode_names2 v0.6.0 (https://github.com/youknowone/unicode_names2.git?rev=4ce16aa85cbcdd9cc830410f1a72ef9a235f2fde#4ce16aa8)
[INFO] [stderr]     Checking unic-ucd-ident v0.9.0
[INFO] [stderr]     Checking rustpython-compiler-core v0.2.0 (https://github.com/RustPython/RustPython.git?rev=c15f670f2c30cfae6b41a1874893590148c74bc4#c15f670f)
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[INFO] [stderr]     Checking rustpython-ast v0.2.0 (https://github.com/RustPython/RustPython.git?rev=c15f670f2c30cfae6b41a1874893590148c74bc4#c15f670f)
[INFO] [stderr]     Checking assert-panic v1.0.1
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[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling clap_derive v4.2.0
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking clap v4.2.1
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-stream v0.1.12
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]    Compiling rustpython-parser v0.2.0 (https://github.com/RustPython/RustPython.git?rev=c15f670f2c30cfae6b41a1874893590148c74bc4#c15f670f)
[INFO] [stderr]     Checking printf-log-formatter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/gen_visitor.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |             for expr in returns {
[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] 115 -             for expr in returns {
[INFO] [stdout] 115 +             while let Some(expr) = returns {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 115 -             for expr in returns {
[INFO] [stdout] 115 +             if let Some(expr) = returns {
[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/gen_visitor.rs:131:25
[INFO] [stdout]     |
[INFO] [stdout] 131 |             for expr in returns {
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for expr in returns {
[INFO] [stdout] 131 +             while let Some(expr) = returns {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for expr in returns {
[INFO] [stdout] 131 +             if let Some(expr) = returns {
[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/gen_visitor.rs:115:25
[INFO] [stdout]     |
[INFO] [stdout] 115 |             for expr in returns {
[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] 115 -             for expr in returns {
[INFO] [stdout] 115 +             while let Some(expr) = returns {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 115 -             for expr in returns {
[INFO] [stdout] 115 +             if let Some(expr) = returns {
[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/gen_visitor.rs:131:25
[INFO] [stdout]     |
[INFO] [stdout] 131 |             for expr in returns {
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for expr in returns {
[INFO] [stdout] 131 +             while let Some(expr) = returns {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for expr in returns {
[INFO] [stdout] 131 +             if let Some(expr) = returns {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "53bc29e81fd268833554c662dc874d8bbd37f6e4ecd9040d7c5b70d8e64cf598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53bc29e81fd268833554c662dc874d8bbd37f6e4ecd9040d7c5b70d8e64cf598", kill_on_drop: false }`
[INFO] [stdout] 53bc29e81fd268833554c662dc874d8bbd37f6e4ecd9040d7c5b70d8e64cf598
