[INFO] cloning repository https://github.com/wartyz/Ripper-Rusty-Code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wartyz/Ripper-Rusty-Code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwartyz%2FRipper-Rusty-Code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwartyz%2FRipper-Rusty-Code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc0e4242d3f6dd67025325faf7cb2c34663b041f
[INFO] checking wartyz/Ripper-Rusty-Code against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwartyz%2FRipper-Rusty-Code" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wartyz/Ripper-Rusty-Code on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wartyz/Ripper-Rusty-Code
[INFO] finished tweaking git repo https://github.com/wartyz/Ripper-Rusty-Code
[INFO] tweaked toml for git repo https://github.com/wartyz/Ripper-Rusty-Code written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/wartyz/Ripper-Rusty-Code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c5818bfd24dee606cf6d679af7050caeeb32b81661be25523ba460a9add29c7
[INFO] running `Command { std: "docker" "start" "-a" "4c5818bfd24dee606cf6d679af7050caeeb32b81661be25523ba460a9add29c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c5818bfd24dee606cf6d679af7050caeeb32b81661be25523ba460a9add29c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5818bfd24dee606cf6d679af7050caeeb32b81661be25523ba460a9add29c7", kill_on_drop: false }`
[INFO] [stdout] 4c5818bfd24dee606cf6d679af7050caeeb32b81661be25523ba460a9add29c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 997d32480a5e75601a35dc02f787d12eb0feee2154cb9dd394b45bf3ab311238
[INFO] running `Command { std: "docker" "start" "-a" "997d32480a5e75601a35dc02f787d12eb0feee2154cb9dd394b45bf3ab311238", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]     Checking c_vec v1.3.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]     Checking ripper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |             let mut match_palette: Palette = Palette {entries: [
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |             let mut match_palette: Palette = Palette {entries: [
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:333:17
[INFO] [stdout]     |
[INFO] [stdout] 333 |             let mut match_palette: Palette = Palette {entries: [
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:333:17
[INFO] [stdout]     |
[INFO] [stdout] 333 |             let mut match_palette: Palette = Palette {entries: [
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.46s
[INFO] running `Command { std: "docker" "inspect" "997d32480a5e75601a35dc02f787d12eb0feee2154cb9dd394b45bf3ab311238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997d32480a5e75601a35dc02f787d12eb0feee2154cb9dd394b45bf3ab311238", kill_on_drop: false }`
[INFO] [stdout] 997d32480a5e75601a35dc02f787d12eb0feee2154cb9dd394b45bf3ab311238