[INFO] cloning repository https://github.com/modecode22/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modecode22/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodecode22%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodecode22%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55f23847dfaaf8e1ab9499bcf5ca85dab579dcf3
[INFO] checking modecode22/rust-learning against master#e9182f195b8505c87c4bd055b9f6e114ccda0981 for pr-144098
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodecode22%2Frust-learning" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/modecode22/rust-learning
[INFO] finished tweaking git repo https://github.com/modecode22/rust-learning
[INFO] tweaked toml for git repo https://github.com/modecode22/rust-learning written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/modecode22/rust-learning on toolchain e9182f195b8505c87c4bd055b9f6e114ccda0981
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/modecode22/rust-learning 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" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.serde.freatures
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3814bf3f8de92a607ebb79625a8f74966158ea6176970bce5bc7fe65c66c0ae2
[INFO] running `Command { std: "docker" "start" "-a" "3814bf3f8de92a607ebb79625a8f74966158ea6176970bce5bc7fe65c66c0ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3814bf3f8de92a607ebb79625a8f74966158ea6176970bce5bc7fe65c66c0ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3814bf3f8de92a607ebb79625a8f74966158ea6176970bce5bc7fe65c66c0ae2", kill_on_drop: false }`
[INFO] [stdout] 3814bf3f8de92a607ebb79625a8f74966158ea6176970bce5bc7fe65c66c0ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c88071de80174fc8430b785db44e3499b4fcf67f38a88485a1a1563a1ec9a373
[INFO] running `Command { std: "docker" "start" "-a" "c88071de80174fc8430b785db44e3499b4fcf67f38a88485a1a1563a1ec9a373", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: dependencies.serde.freatures
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking warp v0.3.6
[INFO] [stderr]     Checking rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.32s
[INFO] running `Command { std: "docker" "inspect" "c88071de80174fc8430b785db44e3499b4fcf67f38a88485a1a1563a1ec9a373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88071de80174fc8430b785db44e3499b4fcf67f38a88485a1a1563a1ec9a373", kill_on_drop: false }`
[INFO] [stdout] c88071de80174fc8430b785db44e3499b4fcf67f38a88485a1a1563a1ec9a373