[INFO] cloning repository https://github.com/birchsport/grok
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/birchsport/grok" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirchsport%2Fgrok", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirchsport%2Fgrok'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51929111caaa4ae23ea1f6379163d36174065619
[INFO] testing birchsport/grok against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirchsport%2Fgrok" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/birchsport/grok
[INFO] finished tweaking git repo https://github.com/birchsport/grok
[INFO] tweaked toml for git repo https://github.com/birchsport/grok written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/birchsport/grok on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 201 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.33.4 (available: v2.34.0)
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.9)
[INFO] [stderr]       Adding hyper v0.14.29 (available: v0.14.32)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding tokio v1.20.6 (available: v1.50.0)
[INFO] [stderr]       Adding tokio-util v0.7.3 (available: v0.7.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded numtoa v0.2.4
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded futures-sink v0.3.32
[INFO] [stderr]   Downloaded rusoto_core v0.48.0
[INFO] [stderr]   Downloaded leb128fmt v0.1.0
[INFO] [stderr]   Downloaded scanlex v0.1.4
[INFO] [stderr]   Downloaded openssl-probe v0.2.1
[INFO] [stderr]   Downloaded futures-io v0.3.32
[INFO] [stderr]   Downloaded chrono-english v0.1.8
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded wasm-metadata v0.244.0
[INFO] [stderr]   Downloaded r-efi v6.0.0
[INFO] [stderr]   Downloaded wit-bindgen-rust v0.51.0
[INFO] [stderr]   Downloaded security-framework v3.7.0
[INFO] [stderr]   Downloaded wasm-encoder v0.244.0
[INFO] [stderr]   Downloaded getrandom v0.4.2
[INFO] [stderr]   Downloaded wit-parser v0.244.0
[INFO] [stderr]   Downloaded futures-util v0.3.32
[INFO] [stderr]   Downloaded h2 v0.3.27
[INFO] [stderr]   Downloaded clap v2.33.4
[INFO] [stderr]   Downloaded hyper v0.14.29
[INFO] [stderr]   Downloaded wasip3 v0.4.0+wasi-0.3.0-rc-2026-01-06
[INFO] [stderr]   Downloaded wasmparser v0.244.0
[INFO] [stderr]   Downloaded wit-component v0.244.0
[INFO] [stderr]   Downloaded futures v0.3.32
[INFO] [stderr]   Downloaded tracing-core v0.1.36
[INFO] [stderr]   Downloaded futures-channel v0.3.32
[INFO] [stderr]   Downloaded security-framework-sys v2.17.0
[INFO] [stderr]   Downloaded regex-syntax v0.8.10
[INFO] [stderr]   Downloaded wit-bindgen-core v0.51.0
[INFO] [stderr]   Downloaded anyhow v1.0.102
[INFO] [stderr]   Downloaded native-tls v0.2.18
[INFO] [stderr]   Downloaded rusoto_credential v0.48.0
[INFO] [stderr]   Downloaded tracing v0.1.44
[INFO] [stderr]   Downloaded tokio v1.20.6
[INFO] [stderr]   Downloaded generic-array v0.14.9
[INFO] [stderr]   Downloaded core-foundation v0.10.1
[INFO] [stderr]   Downloaded futures-executor v0.3.32
[INFO] [stderr]   Downloaded rusoto_signature v0.48.0
[INFO] [stderr]   Downloaded futures-macro v0.3.32
[INFO] [stderr]   Downloaded futures-task v0.3.32
[INFO] [stderr]   Downloaded futures-core v0.3.32
[INFO] [stderr]   Downloaded id-arena v2.3.0
[INFO] [stderr]   Downloaded wit-bindgen-rust-macro v0.51.0
[INFO] [stderr]   Downloaded crypto-mac v0.11.1
[INFO] [stderr]   Downloaded hmac v0.11.0
[INFO] [stderr]   Downloaded md-5 v0.9.1
[INFO] [stderr]   Downloaded libredox v0.1.14
[INFO] [stderr]   Downloaded rusoto_logs v0.48.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.8
[INFO] [stderr]   Downloaded xml-rs v0.8.28
[INFO] [stderr]   Downloaded termion v4.0.6
[INFO] [stderr]   Downloaded pin-project-lite v0.2.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e40f582bd977caa3feb807e9dade16903f78b9d5a83541c5f4664eab3e2ccec
[INFO] running `Command { std: "docker" "start" "-a" "6e40f582bd977caa3feb807e9dade16903f78b9d5a83541c5f4664eab3e2ccec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e40f582bd977caa3feb807e9dade16903f78b9d5a83541c5f4664eab3e2ccec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e40f582bd977caa3feb807e9dade16903f78b9d5a83541c5f4664eab3e2ccec", kill_on_drop: false }`
[INFO] [stdout] 6e40f582bd977caa3feb807e9dade16903f78b9d5a83541c5f4664eab3e2ccec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0a980eaaf04a43198d99b2509b5b2b7f79702e2613f05ac99f3c847f260420d
[INFO] running `Command { std: "docker" "start" "-a" "d0a980eaaf04a43198d99b2509b5b2b7f79702e2613f05ac99f3c847f260420d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling tokio v1.20.6
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling xml-rs v0.8.28
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling scanlex v0.1.4
[INFO] [stderr]    Compiling numtoa v0.2.4
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling rusoto_core v0.48.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termion v4.0.6
[INFO] [stderr]    Compiling clap v2.33.4
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling chrono-english v0.1.8
[INFO] [stderr]    Compiling tokio-util v0.7.3
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling hyper v0.14.29
[INFO] [stderr]    Compiling rusoto_credential v0.48.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling rusoto_signature v0.48.0
[INFO] [stderr]    Compiling rusoto_logs v0.48.0
[INFO] [stderr]    Compiling grok v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DateTime`
[INFO] [stdout]   --> src/main.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 | use chrono::{DateTime, NaiveDateTime, TimeZone, Utc};
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:145:22
[INFO] [stdout]     |
[INFO] [stdout] 145 |             for x in (0..8) {
[INFO] [stdout]     |                      ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 145 -             for x in (0..8) {
[INFO] [stdout] 145 +             for x in 0..8  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]    --> src/main.rs:351:41
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 let dt = NaiveDateTime::from_timestamp(jm.instant.unwrap()
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TimeZone`
[INFO] [stdout]   --> src/main.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 | use chrono::{DateTime, NaiveDateTime, TimeZone, Utc};
[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/main.rs:231:26
[INFO] [stdout]     |
[INFO] [stdout] 231 |             for event in get_log_resp.events {
[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] 231 -             for event in get_log_resp.events {
[INFO] [stdout] 231 +             while let Some(event) = get_log_resp.events {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 231 -             for event in get_log_resp.events {
[INFO] [stdout] 231 +             if let Some(event) = get_log_resp.events {
[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/main.rs:275:22
[INFO] [stdout]     |
[INFO] [stdout] 275 |         for event in desc_groups_resp.log_groups {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 275 -         for event in desc_groups_resp.log_groups {
[INFO] [stdout] 275 +         while let Some(event) = desc_groups_resp.log_groups {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 275 -         for event in desc_groups_resp.log_groups {
[INFO] [stdout] 275 +         if let Some(event) = desc_groups_resp.log_groups {
[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/main.rs:302:22
[INFO] [stdout]     |
[INFO] [stdout] 302 |         for event in desc_groups_resp.log_groups {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 302 -         for event in desc_groups_resp.log_groups {
[INFO] [stdout] 302 +         while let Some(event) = desc_groups_resp.log_groups {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 302 -         for event in desc_groups_resp.log_groups {
[INFO] [stdout] 302 +         if let Some(event) = desc_groups_resp.log_groups {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 | /                 write!(
[INFO] [stdout] 355 | |                     out_line,
[INFO] [stdout] 356 | |                     "{}{} {} -- {} [{}] {}{} {}{} - {}{}{}",
[INFO] [stdout] 357 | |                     color_str(!nocolor, &color::Reset),
[INFO] [stdout] ...   |
[INFO] [stdout] 374 | |                     color_str(!nocolor, &color::Reset)
[INFO] [stdout] 375 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 let _ = write!(
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:380:29
[INFO] [stdout]     |
[INFO] [stdout] 380 | ...                   writeln!(out_line, "Context map: ");
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 380 |                             let _ = writeln!(out_line, "Context map: ");
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:382:33
[INFO] [stdout]     |
[INFO] [stdout] 382 | / ...                   writeln!(
[INFO] [stdout] 383 | | ...                       out_line,
[INFO] [stdout] 384 | | ...                       "\t {} = {}", k, v);
[INFO] [stdout]     | |_____________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 382 |                                 let _ = writeln!(
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:395:25
[INFO] [stdout]     |
[INFO] [stdout] 395 |                         writeln!(out_line, "Stacktrace: {} - {}", t.name, t.message.unwrap_or("none".to_string()));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 395 |                         let _ = writeln!(out_line, "Stacktrace: {} - {}", t.name, t.message.unwrap_or("none".to_string()));
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:397:29
[INFO] [stdout]     |
[INFO] [stdout] 397 | / ...                   writeln!(
[INFO] [stdout] 398 | | ...                       out_line,
[INFO] [stdout] 399 | | ...                       "\t at {}{}.{} ({}:{}) [{}]{}",
[INFO] [stdout] 400 | | ...                       color_str(!nocolor, &color::Red),
[INFO] [stdout] ...   |
[INFO] [stdout] 406 | | ...                       color_str(!nocolor, &color::Reset)
[INFO] [stdout] 407 | | ...                   );
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 397 |                             let _ = writeln!(
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:411:33
[INFO] [stdout]     |
[INFO] [stdout] 411 | ...                   writeln!(out_line, "Caused by: {} - {}", c.name, c.message);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 411 |                                 let _ = writeln!(out_line, "Caused by: {} - {}", c.name, c.message);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:413:37
[INFO] [stdout]     |
[INFO] [stdout] 413 | / ...                   writeln!(
[INFO] [stdout] 414 | | ...                       out_line,
[INFO] [stdout] 415 | | ...                       "\t at {}{}.{} ({}:{}) [{}]{}",
[INFO] [stdout] 416 | | ...                       color_str(!nocolor, &color::Red),
[INFO] [stdout] ...   |
[INFO] [stdout] 422 | | ...                       color_str(!nocolor, &color::Reset)
[INFO] [stdout] 423 | | ...                   );
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 413 |                                     let _ = writeln!(
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:427:41
[INFO] [stdout]     |
[INFO] [stdout] 427 | ...                   writeln!(out_line, "Caused by: {} - {}", sc.name, sc.message);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 427 |                                         let _ = writeln!(out_line, "Caused by: {} - {}", sc.name, sc.message);
[INFO] [stdout]     |                                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:429:45
[INFO] [stdout]     |
[INFO] [stdout] 429 | / ...                   writeln!(
[INFO] [stdout] 430 | | ...                       out_line,
[INFO] [stdout] 431 | | ...                       "\t at {}{}.{} ({}:{}) [{}]{}",
[INFO] [stdout] 432 | | ...                       color_str(!nocolor, &color::Red),
[INFO] [stdout] ...   |
[INFO] [stdout] 438 | | ...                       color_str(!nocolor, &color::Reset)
[INFO] [stdout] 439 | | ...                   );
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 429 |                                             let _ = writeln!(
[INFO] [stdout]     |                                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |             write!(out_line, "{} {} -- {}", group.clone(), stream.clone(), line);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 460 |             let _ = write!(out_line, "{} {} -- {}", group.clone(), stream.clone(), line);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.30s
[INFO] running `Command { std: "docker" "inspect" "d0a980eaaf04a43198d99b2509b5b2b7f79702e2613f05ac99f3c847f260420d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a980eaaf04a43198d99b2509b5b2b7f79702e2613f05ac99f3c847f260420d", kill_on_drop: false }`
[INFO] [stdout] d0a980eaaf04a43198d99b2509b5b2b7f79702e2613f05ac99f3c847f260420d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b149c7c1393c4a2913c86ff9499a3c8e109ffd97eb26bdd69ec13b563f1c242
[INFO] running `Command { std: "docker" "start" "-a" "2b149c7c1393c4a2913c86ff9499a3c8e109ffd97eb26bdd69ec13b563f1c242", kill_on_drop: false }`
[INFO] [stderr]    Compiling grok v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DateTime`
[INFO] [stdout]   --> src/main.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 | use chrono::{DateTime, NaiveDateTime, TimeZone, Utc};
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/main.rs:145:22
[INFO] [stdout]     |
[INFO] [stdout] 145 |             for x in (0..8) {
[INFO] [stdout]     |                      ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 145 -             for x in (0..8) {
[INFO] [stdout] 145 +             for x in 0..8  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stdout]    --> src/main.rs:351:41
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 let dt = NaiveDateTime::from_timestamp(jm.instant.unwrap()
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TimeZone`
[INFO] [stdout]   --> src/main.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 | use chrono::{DateTime, NaiveDateTime, TimeZone, Utc};
[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/main.rs:231:26
[INFO] [stdout]     |
[INFO] [stdout] 231 |             for event in get_log_resp.events {
[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] 231 -             for event in get_log_resp.events {
[INFO] [stdout] 231 +             while let Some(event) = get_log_resp.events {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 231 -             for event in get_log_resp.events {
[INFO] [stdout] 231 +             if let Some(event) = get_log_resp.events {
[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/main.rs:275:22
[INFO] [stdout]     |
[INFO] [stdout] 275 |         for event in desc_groups_resp.log_groups {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 275 -         for event in desc_groups_resp.log_groups {
[INFO] [stdout] 275 +         while let Some(event) = desc_groups_resp.log_groups {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 275 -         for event in desc_groups_resp.log_groups {
[INFO] [stdout] 275 +         if let Some(event) = desc_groups_resp.log_groups {
[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/main.rs:302:22
[INFO] [stdout]     |
[INFO] [stdout] 302 |         for event in desc_groups_resp.log_groups {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 302 -         for event in desc_groups_resp.log_groups {
[INFO] [stdout] 302 +         while let Some(event) = desc_groups_resp.log_groups {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 302 -         for event in desc_groups_resp.log_groups {
[INFO] [stdout] 302 +         if let Some(event) = desc_groups_resp.log_groups {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:354:17
[INFO] [stdout]     |
[INFO] [stdout] 354 | /                 write!(
[INFO] [stdout] 355 | |                     out_line,
[INFO] [stdout] 356 | |                     "{}{} {} -- {} [{}] {}{} {}{} - {}{}{}",
[INFO] [stdout] 357 | |                     color_str(!nocolor, &color::Reset),
[INFO] [stdout] ...   |
[INFO] [stdout] 374 | |                     color_str(!nocolor, &color::Reset)
[INFO] [stdout] 375 | |                 );
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 let _ = write!(
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:380:29
[INFO] [stdout]     |
[INFO] [stdout] 380 | ...                   writeln!(out_line, "Context map: ");
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 380 |                             let _ = writeln!(out_line, "Context map: ");
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:382:33
[INFO] [stdout]     |
[INFO] [stdout] 382 | / ...                   writeln!(
[INFO] [stdout] 383 | | ...                       out_line,
[INFO] [stdout] 384 | | ...                       "\t {} = {}", k, v);
[INFO] [stdout]     | |_____________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 382 |                                 let _ = writeln!(
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:395:25
[INFO] [stdout]     |
[INFO] [stdout] 395 |                         writeln!(out_line, "Stacktrace: {} - {}", t.name, t.message.unwrap_or("none".to_string()));
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 395 |                         let _ = writeln!(out_line, "Stacktrace: {} - {}", t.name, t.message.unwrap_or("none".to_string()));
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:397:29
[INFO] [stdout]     |
[INFO] [stdout] 397 | / ...                   writeln!(
[INFO] [stdout] 398 | | ...                       out_line,
[INFO] [stdout] 399 | | ...                       "\t at {}{}.{} ({}:{}) [{}]{}",
[INFO] [stdout] 400 | | ...                       color_str(!nocolor, &color::Red),
[INFO] [stdout] ...   |
[INFO] [stdout] 406 | | ...                       color_str(!nocolor, &color::Reset)
[INFO] [stdout] 407 | | ...                   );
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 397 |                             let _ = writeln!(
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:411:33
[INFO] [stdout]     |
[INFO] [stdout] 411 | ...                   writeln!(out_line, "Caused by: {} - {}", c.name, c.message);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 411 |                                 let _ = writeln!(out_line, "Caused by: {} - {}", c.name, c.message);
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:413:37
[INFO] [stdout]     |
[INFO] [stdout] 413 | / ...                   writeln!(
[INFO] [stdout] 414 | | ...                       out_line,
[INFO] [stdout] 415 | | ...                       "\t at {}{}.{} ({}:{}) [{}]{}",
[INFO] [stdout] 416 | | ...                       color_str(!nocolor, &color::Red),
[INFO] [stdout] ...   |
[INFO] [stdout] 422 | | ...                       color_str(!nocolor, &color::Reset)
[INFO] [stdout] 423 | | ...                   );
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 413 |                                     let _ = writeln!(
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:427:41
[INFO] [stdout]     |
[INFO] [stdout] 427 | ...                   writeln!(out_line, "Caused by: {} - {}", sc.name, sc.message);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 427 |                                         let _ = writeln!(out_line, "Caused by: {} - {}", sc.name, sc.message);
[INFO] [stdout]     |                                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:429:45
[INFO] [stdout]     |
[INFO] [stdout] 429 | / ...                   writeln!(
[INFO] [stdout] 430 | | ...                       out_line,
[INFO] [stdout] 431 | | ...                       "\t at {}{}.{} ({}:{}) [{}]{}",
[INFO] [stdout] 432 | | ...                       color_str(!nocolor, &color::Red),
[INFO] [stdout] ...   |
[INFO] [stdout] 438 | | ...                       color_str(!nocolor, &color::Reset)
[INFO] [stdout] 439 | | ...                   );
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 429 |                                             let _ = writeln!(
[INFO] [stdout]     |                                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:460:13
[INFO] [stdout]     |
[INFO] [stdout] 460 |             write!(out_line, "{} {} -- {}", group.clone(), stream.clone(), line);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 460 |             let _ = write!(out_line, "{} {} -- {}", group.clone(), stream.clone(), line);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "2b149c7c1393c4a2913c86ff9499a3c8e109ffd97eb26bdd69ec13b563f1c242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b149c7c1393c4a2913c86ff9499a3c8e109ffd97eb26bdd69ec13b563f1c242", kill_on_drop: false }`
[INFO] [stdout] 2b149c7c1393c4a2913c86ff9499a3c8e109ffd97eb26bdd69ec13b563f1c242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34be30f0d2781d03ed6d9828fb3d73bcb8dc840590450701d83f0bfd0ea16bd6
[INFO] running `Command { std: "docker" "start" "-a" "34be30f0d2781d03ed6d9828fb3d73bcb8dc840590450701d83f0bfd0ea16bd6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DateTime`
[INFO] [stderr]   --> src/main.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 | use chrono::{DateTime, NaiveDateTime, TimeZone, Utc};
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/main.rs:145:22
[INFO] [stderr]     |
[INFO] [stderr] 145 |             for x in (0..8) {
[INFO] [stderr]     |                      ^    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 145 -             for x in (0..8) {
[INFO] [stderr] 145 +             for x in 0..8  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `chrono::NaiveDateTime::from_timestamp`: use `DateTime::from_timestamp` instead
[INFO] [stderr]    --> src/main.rs:351:41
[INFO] [stderr]     |
[INFO] [stderr] 351 |                 let dt = NaiveDateTime::from_timestamp(jm.instant.unwrap()
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TimeZone`
[INFO] [stderr]   --> src/main.rs:13:39
[INFO] [stderr]    |
[INFO] [stderr] 13 | use chrono::{DateTime, NaiveDateTime, TimeZone, Utc};
[INFO] [stderr]    |                                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/main.rs:231:26
[INFO] [stderr]     |
[INFO] [stderr] 231 |             for event in get_log_resp.events {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 231 -             for event in get_log_resp.events {
[INFO] [stderr] 231 +             while let Some(event) = get_log_resp.events {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 231 -             for event in get_log_resp.events {
[INFO] [stderr] 231 +             if let Some(event) = get_log_resp.events {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/main.rs:275:22
[INFO] [stderr]     |
[INFO] [stderr] 275 |         for event in desc_groups_resp.log_groups {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 275 -         for event in desc_groups_resp.log_groups {
[INFO] [stderr] 275 +         while let Some(event) = desc_groups_resp.log_groups {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 275 -         for event in desc_groups_resp.log_groups {
[INFO] [stderr] 275 +         if let Some(event) = desc_groups_resp.log_groups {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/main.rs:302:22
[INFO] [stderr]     |
[INFO] [stderr] 302 |         for event in desc_groups_resp.log_groups {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 302 -         for event in desc_groups_resp.log_groups {
[INFO] [stderr] 302 +         while let Some(event) = desc_groups_resp.log_groups {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 302 -         for event in desc_groups_resp.log_groups {
[INFO] [stderr] 302 +         if let Some(event) = desc_groups_resp.log_groups {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:354:17
[INFO] [stderr]     |
[INFO] [stderr] 354 | /                 write!(
[INFO] [stderr] 355 | |                     out_line,
[INFO] [stderr] 356 | |                     "{}{} {} -- {} [{}] {}{} {}{} - {}{}{}",
[INFO] [stderr] 357 | |                     color_str(!nocolor, &color::Reset),
[INFO] [stderr] ...   |
[INFO] [stderr] 374 | |                     color_str(!nocolor, &color::Reset)
[INFO] [stderr] 375 | |                 );
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 354 |                 let _ = write!(
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:380:29
[INFO] [stderr]     |
[INFO] [stderr] 380 | ...                   writeln!(out_line, "Context map: ");
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 380 |                             let _ = writeln!(out_line, "Context map: ");
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:382:33
[INFO] [stderr]     |
[INFO] [stderr] 382 | / ...                   writeln!(
[INFO] [stderr] 383 | | ...                       out_line,
[INFO] [stderr] 384 | | ...                       "\t {} = {}", k, v);
[INFO] [stderr]     | |_____________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 382 |                                 let _ = writeln!(
[INFO] [stderr]     |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:395:25
[INFO] [stderr]     |
[INFO] [stderr] 395 |                         writeln!(out_line, "Stacktrace: {} - {}", t.name, t.message.unwrap_or("none".to_string()));
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 395 |                         let _ = writeln!(out_line, "Stacktrace: {} - {}", t.name, t.message.unwrap_or("none".to_string()));
[INFO] [stderr]     |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:397:29
[INFO] [stderr]     |
[INFO] [stderr] 397 | / ...                   writeln!(
[INFO] [stderr] 398 | | ...                       out_line,
[INFO] [stderr] 399 | | ...                       "\t at {}{}.{} ({}:{}) [{}]{}",
[INFO] [stderr] 400 | | ...                       color_str(!nocolor, &color::Red),
[INFO] [stderr] ...   |
[INFO] [stderr] 406 | | ...                       color_str(!nocolor, &color::Reset)
[INFO] [stderr] 407 | | ...                   );
[INFO] [stderr]     | |_______________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 397 |                             let _ = writeln!(
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:411:33
[INFO] [stderr]     |
[INFO] [stderr] 411 | ...                   writeln!(out_line, "Caused by: {} - {}", c.name, c.message);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 411 |                                 let _ = writeln!(out_line, "Caused by: {} - {}", c.name, c.message);
[INFO] [stderr]     |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:413:37
[INFO] [stderr]     |
[INFO] [stderr] 413 | / ...                   writeln!(
[INFO] [stderr] 414 | | ...                       out_line,
[INFO] [stderr] 415 | | ...                       "\t at {}{}.{} ({}:{}) [{}]{}",
[INFO] [stderr] 416 | | ...                       color_str(!nocolor, &color::Red),
[INFO] [stderr] ...   |
[INFO] [stderr] 422 | | ...                       color_str(!nocolor, &color::Reset)
[INFO] [stderr] 423 | | ...                   );
[INFO] [stderr]     | |_______________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 413 |                                     let _ = writeln!(
[INFO] [stderr]     |                                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:427:41
[INFO] [stderr]     |
[INFO] [stderr] 427 | ...                   writeln!(out_line, "Caused by: {} - {}", sc.name, sc.message);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 427 |                                         let _ = writeln!(out_line, "Caused by: {} - {}", sc.name, sc.message);
[INFO] [stderr]     |                                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:429:45
[INFO] [stderr]     |
[INFO] [stderr] 429 | / ...                   writeln!(
[INFO] [stderr] 430 | | ...                       out_line,
[INFO] [stderr] 431 | | ...                       "\t at {}{}.{} ({}:{}) [{}]{}",
[INFO] [stderr] 432 | | ...                       color_str(!nocolor, &color::Red),
[INFO] [stderr] ...   |
[INFO] [stderr] 438 | | ...                       color_str(!nocolor, &color::Reset)
[INFO] [stderr] 439 | | ...                   );
[INFO] [stderr]     | |_______________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 429 |                                             let _ = writeln!(
[INFO] [stderr]     |                                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:460:13
[INFO] [stderr]     |
[INFO] [stderr] 460 |             write!(out_line, "{} {} -- {}", group.clone(), stream.clone(), line);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 460 |             let _ = write!(out_line, "{} {} -- {}", group.clone(), stream.clone(), line);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `grok` (bin "grok" test) generated 19 warnings (run `cargo fix --bin "grok" -p grok --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/grok-b8a6b1d25399f939)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/grok-9f5085c5406e475e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::parse_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grok
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34be30f0d2781d03ed6d9828fb3d73bcb8dc840590450701d83f0bfd0ea16bd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34be30f0d2781d03ed6d9828fb3d73bcb8dc840590450701d83f0bfd0ea16bd6", kill_on_drop: false }`
[INFO] [stdout] 34be30f0d2781d03ed6d9828fb3d73bcb8dc840590450701d83f0bfd0ea16bd6
