[INFO] cloning repository https://github.com/stupidcoderJung/dog-breed-ab-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stupidcoderJung/dog-breed-ab-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstupidcoderJung%2Fdog-breed-ab-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstupidcoderJung%2Fdog-breed-ab-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d064ae4d2fea13416954b5fda775168ac8ec7c40
[INFO] checking stupidcoderJung/dog-breed-ab-test against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FstupidcoderJung%2Fdog-breed-ab-test" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
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[INFO] started tweaking git repo https://github.com/stupidcoderJung/dog-breed-ab-test
[INFO] finished tweaking git repo https://github.com/stupidcoderJung/dog-breed-ab-test
[INFO] tweaked toml for git repo https://github.com/stupidcoderJung/dog-breed-ab-test written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stupidcoderJung/dog-breed-ab-test on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stupidcoderJung/dog-breed-ab-test 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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 zerocopy v0.8.38
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27676170ee484375addc3eb56c7bea041bf869835bb351c6017e5d92895136ea
[INFO] running `Command { std: "docker" "start" "-a" "27676170ee484375addc3eb56c7bea041bf869835bb351c6017e5d92895136ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27676170ee484375addc3eb56c7bea041bf869835bb351c6017e5d92895136ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27676170ee484375addc3eb56c7bea041bf869835bb351c6017e5d92895136ea", kill_on_drop: false }`
[INFO] [stdout] 27676170ee484375addc3eb56c7bea041bf869835bb351c6017e5d92895136ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 267271a9f19cf73e79da2f430929c1863367abfead1a9dcc02899e8ca6702a85
[INFO] running `Command { std: "docker" "start" "-a" "267271a9f19cf73e79da2f430929c1863367abfead1a9dcc02899e8ca6702a85", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]    Compiling zerocopy v0.8.38
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]    Compiling zmij v1.0.19
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking tokio-tungstenite v0.21.0
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking warp v0.3.7
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking dog-breed-ab-test-warp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:169:20
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 Ok(mut chunk) => {
[INFO] [stdout]     |                    ----^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:169:20
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 Ok(mut chunk) => {
[INFO] [stdout]     |                    ----^^^^^
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.39s
[INFO] running `Command { std: "docker" "inspect" "267271a9f19cf73e79da2f430929c1863367abfead1a9dcc02899e8ca6702a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267271a9f19cf73e79da2f430929c1863367abfead1a9dcc02899e8ca6702a85", kill_on_drop: false }`
[INFO] [stdout] 267271a9f19cf73e79da2f430929c1863367abfead1a9dcc02899e8ca6702a85