[INFO] cloning repository https://github.com/jsq1234/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsq1234/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d7252741b14c1af3c908a0e713b932a6fb00e5c
[INFO] checking jsq1234/rust-practice against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsq1234%2Frust-practice" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsq1234/rust-practice on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jsq1234/rust-practice
[INFO] finished tweaking git repo https://github.com/jsq1234/rust-practice
[INFO] tweaked toml for git repo https://github.com/jsq1234/rust-practice written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jsq1234/rust-practice 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d053d11754dd0803b7afadfc6f568bef8f937b20e0ae52730a29bcd9cb69b88c
[INFO] running `Command { std: "docker" "start" "-a" "d053d11754dd0803b7afadfc6f568bef8f937b20e0ae52730a29bcd9cb69b88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d053d11754dd0803b7afadfc6f568bef8f937b20e0ae52730a29bcd9cb69b88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d053d11754dd0803b7afadfc6f568bef8f937b20e0ae52730a29bcd9cb69b88c", kill_on_drop: false }`
[INFO] [stdout] d053d11754dd0803b7afadfc6f568bef8f937b20e0ae52730a29bcd9cb69b88c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09bebc8062f6ec4f062688c09e144558b2cd4b9d5e11a9b8d9c533737416ee5c
[INFO] running `Command { std: "docker" "start" "-a" "09bebc8062f6ec4f062688c09e144558b2cd4b9d5e11a9b8d9c533737416ee5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling openssl v0.10.61
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking tokio v1.35.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking fun1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `val` and `next` are never read
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Node<T> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 35 |     val: T,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     next: Option<Rc<Node<T>>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `val` and `next` are never read
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Node<T> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 35 |     val: T,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     next: Option<Rc<Node<T>>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.55s
[INFO] running `Command { std: "docker" "inspect" "09bebc8062f6ec4f062688c09e144558b2cd4b9d5e11a9b8d9c533737416ee5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09bebc8062f6ec4f062688c09e144558b2cd4b9d5e11a9b8d9c533737416ee5c", kill_on_drop: false }`
[INFO] [stdout] 09bebc8062f6ec4f062688c09e144558b2cd4b9d5e11a9b8d9c533737416ee5c