[INFO] cloning repository https://github.com/mayanktestweb/learn-tower
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mayanktestweb/learn-tower" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayanktestweb%2Flearn-tower", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayanktestweb%2Flearn-tower'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae3cfb1e2bdc97ab88c826f77d173383819c6584
[INFO] checking mayanktestweb/learn-tower against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayanktestweb%2Flearn-tower" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mayanktestweb/learn-tower
[INFO] finished tweaking git repo https://github.com/mayanktestweb/learn-tower
[INFO] tweaked toml for git repo https://github.com/mayanktestweb/learn-tower written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mayanktestweb/learn-tower on toolchain e90f1ff63e694965281f833819a486da29772bdf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mayanktestweb/learn-tower 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" "+e90f1ff63e694965281f833819a486da29772bdf" "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 tinyvec v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f2c151f9e1ef04ef3ff50cbdd8edc8825e49261c75620cb9ec212f7096f2cb0
[INFO] running `Command { std: "docker" "start" "-a" "8f2c151f9e1ef04ef3ff50cbdd8edc8825e49261c75620cb9ec212f7096f2cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f2c151f9e1ef04ef3ff50cbdd8edc8825e49261c75620cb9ec212f7096f2cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2c151f9e1ef04ef3ff50cbdd8edc8825e49261c75620cb9ec212f7096f2cb0", kill_on_drop: false }`
[INFO] [stdout] 8f2c151f9e1ef04ef3ff50cbdd8edc8825e49261c75620cb9ec212f7096f2cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0355224e97ef36520f2126f045216f1a9f1134d4b0cb4acc7f5a395ecb2f3758
[INFO] running `Command { std: "docker" "start" "-a" "0355224e97ef36520f2126f045216f1a9f1134d4b0cb4acc7f5a395ecb2f3758", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking tinyvec v1.7.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking data-encoding v2.6.0
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-tungstenite v0.21.0
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking h2 v0.4.5
[INFO] [stderr]     Checking hyper v0.14.29
[INFO] [stderr]     Checking hyper v1.4.0
[INFO] [stderr]     Checking hyper-util v0.1.6
[INFO] [stderr]     Checking warp v0.3.7
[INFO] [stderr]     Checking learn-tower v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `req` is never read
[INFO] [stdout]  --> src/services/http_service.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct BasicHttpFuture {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 8 |     req: Request<Incoming>
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BasicHttpFuture` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `req` is never read
[INFO] [stdout]  --> src/services/http_service.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct BasicHttpFuture {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 8 |     req: Request<Incoming>
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BasicHttpFuture` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.61s
[INFO] running `Command { std: "docker" "inspect" "0355224e97ef36520f2126f045216f1a9f1134d4b0cb4acc7f5a395ecb2f3758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0355224e97ef36520f2126f045216f1a9f1134d4b0cb4acc7f5a395ecb2f3758", kill_on_drop: false }`
[INFO] [stdout] 0355224e97ef36520f2126f045216f1a9f1134d4b0cb4acc7f5a395ecb2f3758