[INFO] cloning repository https://github.com/sergioal12/rust_exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sergioal12/rust_exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergioal12%2Frust_exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergioal12%2Frust_exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b2398828545855dce442ca95e9a23d89ac009ea
[INFO] checking sergioal12/rust_exercise against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergioal12%2Frust_exercise" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sergioal12/rust_exercise
[INFO] finished tweaking git repo https://github.com/sergioal12/rust_exercise
[INFO] tweaked toml for git repo https://github.com/sergioal12/rust_exercise written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sergioal12/rust_exercise on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sergioal12/rust_exercise 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded input_buffer v0.3.1
[INFO] [stderr]   Downloaded multipart v0.17.1
[INFO] [stderr]   Downloaded cpufeatures v0.2.10
[INFO] [stderr]   Downloaded tokio-tungstenite v0.11.0
[INFO] [stderr]   Downloaded tungstenite v0.11.1
[INFO] [stderr]   Downloaded rustix v0.38.20
[INFO] [stderr]   Downloaded warp v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c80a5a154c6e8426abd6f68e8e4c58eaea62c8d11976d96516f95aa763be981c
[INFO] running `Command { std: "docker" "start" "-a" "c80a5a154c6e8426abd6f68e8e4c58eaea62c8d11976d96516f95aa763be981c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c80a5a154c6e8426abd6f68e8e4c58eaea62c8d11976d96516f95aa763be981c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80a5a154c6e8426abd6f68e8e4c58eaea62c8d11976d96516f95aa763be981c", kill_on_drop: false }`
[INFO] [stdout] c80a5a154c6e8426abd6f68e8e4c58eaea62c8d11976d96516f95aa763be981c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb256911003a6744e4aec2ea19adbf4c635ece254acc8d961cab0f2a9fba43f6
[INFO] running `Command { std: "docker" "start" "-a" "cb256911003a6744e4aec2ea19adbf4c635ece254acc8d961cab0f2a9fba43f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]     Checking cpufeatures v0.2.10
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking pin-project v0.4.30
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking endpoint_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |    let end = hello!().with(warp::log("holo!!"));
[INFO] [stdout]    |        ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |    let end = hello!().with(warp::log("holo!!"));
[INFO] [stdout]    |        ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "cb256911003a6744e4aec2ea19adbf4c635ece254acc8d961cab0f2a9fba43f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb256911003a6744e4aec2ea19adbf4c635ece254acc8d961cab0f2a9fba43f6", kill_on_drop: false }`
[INFO] [stdout] cb256911003a6744e4aec2ea19adbf4c635ece254acc8d961cab0f2a9fba43f6
