[INFO] fetching crate tty-form 2.0.0...
[INFO] checking tty-form-2.0.0 against 1.95.0 for pr-155915
[INFO] extracting crate tty-form 2.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate tty-form 2.0.0
[INFO] finished tweaking crates.io crate tty-form 2.0.0
[INFO] tweaked toml for crates.io crate tty-form 2.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tty-form 2.0.0 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 crates.io crate tty-form 2.0.0 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 crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vte v0.10.1
[INFO] [stderr]   Downloaded tty-interface v4.0.0
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded vt100 v0.15.1
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.1
[INFO] [stderr]   Downloaded tty-text v2.0.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.0
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded parking_lot_core v0.9.4
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 77e81ac4681467058955688f93a40fa4d6a13e9b68e7f1ecebd6d41d64879a1a
[INFO] running `Command { std: "docker" "start" "-a" "77e81ac4681467058955688f93a40fa4d6a13e9b68e7f1ecebd6d41d64879a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77e81ac4681467058955688f93a40fa4d6a13e9b68e7f1ecebd6d41d64879a1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e81ac4681467058955688f93a40fa4d6a13e9b68e7f1ecebd6d41d64879a1a", kill_on_drop: false }`
[INFO] [stdout] 77e81ac4681467058955688f93a40fa4d6a13e9b68e7f1ecebd6d41d64879a1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0f0c306768cb91cdf89a6d0b27f78f3e88e9b9e3af1663fce579c8c43effd54e
[INFO] running `Command { std: "docker" "start" "-a" "0f0c306768cb91cdf89a6d0b27f78f3e88e9b9e3af1663fce579c8c43effd54e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]     Checking tty-text v2.0.0
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking vt100 v0.15.1
[INFO] [stderr]     Checking tty-interface v4.0.0
[INFO] [stderr]     Checking tty-form v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/step/compound.rs:131:37
[INFO] [stdout]     |
[INFO] [stdout] 131 |             for (id, evaluation) in control.evaluation() {
[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] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stdout] 131 +             while let Some((id, evaluation)) = control.evaluation() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stdout] 131 +             if let Some((id, evaluation)) = control.evaluation() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/step/compound.rs:131:37
[INFO] [stdout]     |
[INFO] [stdout] 131 |             for (id, evaluation) in control.evaluation() {
[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] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stdout] 131 +             while let Some((id, evaluation)) = control.evaluation() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 131 -             for (id, evaluation) in control.evaluation() {
[INFO] [stdout] 131 +             if let Some((id, evaluation)) = control.evaluation() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "0f0c306768cb91cdf89a6d0b27f78f3e88e9b9e3af1663fce579c8c43effd54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0c306768cb91cdf89a6d0b27f78f3e88e9b9e3af1663fce579c8c43effd54e", kill_on_drop: false }`
[INFO] [stdout] 0f0c306768cb91cdf89a6d0b27f78f3e88e9b9e3af1663fce579c8c43effd54e
