[INFO] fetching crate mulm 1.1.3... [INFO] checking mulm-1.1.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate mulm 1.1.3 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate mulm 1.1.3 [INFO] finished tweaking crates.io crate mulm 1.1.3 [INFO] tweaked toml for crates.io crate mulm 1.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mulm 1.1.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mulm 1.1.3 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 26dd2fdb6d61eac3e9735c127c93f4f7f2bb49a5c3c5905b78356a4e610df872 [INFO] running `Command { std: "docker" "start" "-a" "26dd2fdb6d61eac3e9735c127c93f4f7f2bb49a5c3c5905b78356a4e610df872", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "26dd2fdb6d61eac3e9735c127c93f4f7f2bb49a5c3c5905b78356a4e610df872", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26dd2fdb6d61eac3e9735c127c93f4f7f2bb49a5c3c5905b78356a4e610df872", kill_on_drop: false }` [INFO] [stdout] 26dd2fdb6d61eac3e9735c127c93f4f7f2bb49a5c3c5905b78356a4e610df872 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff37eff4265be26601f809104dcb45d3caeb897adf9e94948c1a19b3777168d2 [INFO] running `Command { std: "docker" "start" "-a" "ff37eff4265be26601f809104dcb45d3caeb897adf9e94948c1a19b3777168d2", kill_on_drop: false }` [INFO] [stderr] Checking base64 v0.22.1 [INFO] [stderr] Checking hashbrown v0.15.3 [INFO] [stderr] Checking data-encoding v2.9.0 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Checking encoding_rs v0.8.35 [INFO] [stderr] Checking quoted_printable v0.5.1 [INFO] [stderr] Checking toml_write v0.1.1 [INFO] [stderr] Checking winnow v0.7.9 [INFO] [stderr] Checking gethostname v0.2.3 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking indexmap v2.9.0 [INFO] [stderr] Checking charset v0.1.5 [INFO] [stderr] Checking mailparse v0.14.1 [INFO] [stderr] Checking mailparse v0.16.1 [INFO] [stderr] Checking maildir v0.6.4 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking toml_datetime v0.6.9 [INFO] [stderr] Checking serde_spanned v0.6.8 [INFO] [stderr] Checking toml_edit v0.22.26 [INFO] [stderr] Checking toml v0.8.22 [INFO] [stderr] Checking mulm v1.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | fn action_for_mail(mail: &[u8]) -> Result> { [INFO] [stdout] | ^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 42 | fn action_for_mail(mail: &[u8]) -> Result, Box> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | fn action_for_mail(mail: &[u8]) -> Result> { [INFO] [stdout] | ^^^^^ ----------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 42 | fn action_for_mail(mail: &[u8]) -> Result, Box> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.84s [INFO] running `Command { std: "docker" "inspect" "ff37eff4265be26601f809104dcb45d3caeb897adf9e94948c1a19b3777168d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff37eff4265be26601f809104dcb45d3caeb897adf9e94948c1a19b3777168d2", kill_on_drop: false }` [INFO] [stdout] ff37eff4265be26601f809104dcb45d3caeb897adf9e94948c1a19b3777168d2