[INFO] cloning repository https://github.com/darkphx/insight
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darkphx/insight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkphx%2Finsight", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkphx%2Finsight'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2c4b19d5a5b922e4935f8acb182005c2cb487f8
[INFO] checking darkphx/insight against try#b152f5575a2ac7126ae0019e4e679abe9399213e for pr-157841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkphx%2Finsight" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/darkphx/insight
[INFO] finished tweaking git repo https://github.com/darkphx/insight
[INFO] tweaked toml for git repo https://github.com/darkphx/insight written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/darkphx/insight on toolchain b152f5575a2ac7126ae0019e4e679abe9399213e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/darkphx/insight 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" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "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 serde_json v1.0.61
[INFO] [stderr]   Downloaded textwrap v0.12.1
[INFO] [stderr]   Downloaded serde_derive v1.0.123
[INFO] [stderr]   Downloaded os_str_bytes v2.4.0
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.2
[INFO] [stderr]   Downloaded serde v1.0.123
[INFO] [stderr]   Downloaded clap v3.0.0-beta.2
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded libc v0.2.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] da7e5e268bcd4926d81ec4c71888caa0cde540a5ce02d1f39eb051255fa3c651
[INFO] running `Command { std: "docker" "start" "da7e5e268bcd4926d81ec4c71888caa0cde540a5ce02d1f39eb051255fa3c651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "da7e5e268bcd4926d81ec4c71888caa0cde540a5ce02d1f39eb051255fa3c651" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da7e5e268bcd4926d81ec4c71888caa0cde540a5ce02d1f39eb051255fa3c651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "da7e5e268bcd4926d81ec4c71888caa0cde540a5ce02d1f39eb051255fa3c651" "/opt/rustwide/cargo-home/bin/cargo" "+b152f5575a2ac7126ae0019e4e679abe9399213e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking insight v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around index expression
[INFO] [stdout]   --> src/main.rs:79:28
[INFO] [stdout]    |
[INFO] [stdout] 79 |     for i in chr.cache_states[{if chr.cache_save{1}else{0}}].iter(){
[INFO] [stdout]    |                               ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 79 -     for i in chr.cache_states[{if chr.cache_save{1}else{0}}].iter(){
[INFO] [stdout] 79 +     for i in chr.cache_states[if chr.cache_save{1}else{0}].iter(){
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around index expression
[INFO] [stdout]   --> src/main.rs:87:31
[INFO] [stdout]    |
[INFO] [stdout] 87 |     for i in 0..chr.cache_states[{if chr.cache_save{1}else{0}}].len(){
[INFO] [stdout]    |                                  ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 87 -     for i in 0..chr.cache_states[{if chr.cache_save{1}else{0}}].len(){
[INFO] [stdout] 87 +     for i in 0..chr.cache_states[if chr.cache_save{1}else{0}].len(){
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around index expression
[INFO] [stdout]   --> src/main.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |         if chr.cache_states[{if chr.cache_save{1}else{0}}][i]!=chr.cache_states[{if chr.cache_save{0}else{1}}][i]{
[INFO] [stdout]    |                             ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 88 -         if chr.cache_states[{if chr.cache_save{1}else{0}}][i]!=chr.cache_states[{if chr.cache_save{0}else{1}}][i]{
[INFO] [stdout] 88 +         if chr.cache_states[if chr.cache_save{1}else{0}][i]!=chr.cache_states[{if chr.cache_save{0}else{1}}][i]{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around index expression
[INFO] [stdout]   --> src/main.rs:88:75
[INFO] [stdout]    |
[INFO] [stdout] 88 |         if chr.cache_states[{if chr.cache_save{1}else{0}}][i]!=chr.cache_states[{if chr.cache_save{0}else{1}}][i]{
[INFO] [stdout]    |                                                                                 ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 88 -         if chr.cache_states[{if chr.cache_save{1}else{0}}][i]!=chr.cache_states[{if chr.cache_save{0}else{1}}][i]{
[INFO] [stdout] 88 +         if chr.cache_states[{if chr.cache_save{1}else{0}}][i]!=chr.cache_states[if chr.cache_save{0}else{1}][i]{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around index expression
[INFO] [stdout]   --> src/main.rs:79:28
[INFO] [stdout]    |
[INFO] [stdout] 79 |     for i in chr.cache_states[{if chr.cache_save{1}else{0}}].iter(){
[INFO] [stdout]    |                               ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 79 -     for i in chr.cache_states[{if chr.cache_save{1}else{0}}].iter(){
[INFO] [stdout] 79 +     for i in chr.cache_states[if chr.cache_save{1}else{0}].iter(){
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around index expression
[INFO] [stdout]   --> src/main.rs:87:31
[INFO] [stdout]    |
[INFO] [stdout] 87 |     for i in 0..chr.cache_states[{if chr.cache_save{1}else{0}}].len(){
[INFO] [stdout]    |                                  ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 87 -     for i in 0..chr.cache_states[{if chr.cache_save{1}else{0}}].len(){
[INFO] [stdout] 87 +     for i in 0..chr.cache_states[if chr.cache_save{1}else{0}].len(){
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around index expression
[INFO] [stdout]   --> src/main.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |         if chr.cache_states[{if chr.cache_save{1}else{0}}][i]!=chr.cache_states[{if chr.cache_save{0}else{1}}][i]{
[INFO] [stdout]    |                             ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 88 -         if chr.cache_states[{if chr.cache_save{1}else{0}}][i]!=chr.cache_states[{if chr.cache_save{0}else{1}}][i]{
[INFO] [stdout] 88 +         if chr.cache_states[if chr.cache_save{1}else{0}][i]!=chr.cache_states[{if chr.cache_save{0}else{1}}][i]{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around index expression
[INFO] [stdout]   --> src/main.rs:88:75
[INFO] [stdout]    |
[INFO] [stdout] 88 |         if chr.cache_states[{if chr.cache_save{1}else{0}}][i]!=chr.cache_states[{if chr.cache_save{0}else{1}}][i]{
[INFO] [stdout]    |                                                                                 ^                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 88 -         if chr.cache_states[{if chr.cache_save{1}else{0}}][i]!=chr.cache_states[{if chr.cache_save{0}else{1}}][i]{
[INFO] [stdout] 88 +         if chr.cache_states[{if chr.cache_save{1}else{0}}][i]!=chr.cache_states[if chr.cache_save{0}else{1}][i]{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.23s
[INFO] running `Command { std: "docker" "inspect" "da7e5e268bcd4926d81ec4c71888caa0cde540a5ce02d1f39eb051255fa3c651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7e5e268bcd4926d81ec4c71888caa0cde540a5ce02d1f39eb051255fa3c651", kill_on_drop: false }`
[INFO] [stdout] da7e5e268bcd4926d81ec4c71888caa0cde540a5ce02d1f39eb051255fa3c651
