[INFO] cloning repository https://github.com/AthithyanR/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AthithyanR/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAthithyanR%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAthithyanR%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bf4fcbf24f04d265f46032446d5239a79dff4a1
[INFO] building AthithyanR/learn-rust against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAthithyanR%2Flearn-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AthithyanR/learn-rust on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AthithyanR/learn-rust
[INFO] finished tweaking git repo https://github.com/AthithyanR/learn-rust
[INFO] tweaked toml for git repo https://github.com/AthithyanR/learn-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AthithyanR/learn-rust 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68a814de1e44f42de4f95ffb39cc63430c806aba52b6d2f23e9c9be14fa9eee7
[INFO] running `Command { std: "docker" "start" "-a" "68a814de1e44f42de4f95ffb39cc63430c806aba52b6d2f23e9c9be14fa9eee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68a814de1e44f42de4f95ffb39cc63430c806aba52b6d2f23e9c9be14fa9eee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a814de1e44f42de4f95ffb39cc63430c806aba52b6d2f23e9c9be14fa9eee7", kill_on_drop: false }`
[INFO] [stdout] 68a814de1e44f42de4f95ffb39cc63430c806aba52b6d2f23e9c9be14fa9eee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81a4e8a069fabd25ff6fec46951640b83adf5927d54a9b711ea1c35698ec9e8f
[INFO] running `Command { std: "docker" "start" "-a" "81a4e8a069fabd25ff6fec46951640b83adf5927d54a9b711ea1c35698ec9e8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling openssl v0.10.60
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling colored v2.0.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tokio v1.34.0
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.22
[INFO] [stderr]    Compiling hyper v0.14.27
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.22
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `value` and `next` are never read
[INFO] [stdout]    --> src/bin/main/main.rs:661:5
[INFO] [stdout]     |
[INFO] [stdout] 660 | struct Node {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 661 |     value: isize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 662 |     next: Option<Rc<RefCell<Node>>>
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.52s
[INFO] running `Command { std: "docker" "inspect" "81a4e8a069fabd25ff6fec46951640b83adf5927d54a9b711ea1c35698ec9e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a4e8a069fabd25ff6fec46951640b83adf5927d54a9b711ea1c35698ec9e8f", kill_on_drop: false }`
[INFO] [stdout] 81a4e8a069fabd25ff6fec46951640b83adf5927d54a9b711ea1c35698ec9e8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8053512ce800a3531bb1abb83c74a4df828de714f556cfe005591319f530374b
[INFO] running `Command { std: "docker" "start" "-a" "8053512ce800a3531bb1abb83c74a4df828de714f556cfe005591319f530374b", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `value` and `next` are never read
[INFO] [stdout]    --> src/bin/main/main.rs:661:5
[INFO] [stdout]     |
[INFO] [stdout] 660 | struct Node {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 661 |     value: isize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 662 |     next: Option<Rc<RefCell<Node>>>
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Node` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "8053512ce800a3531bb1abb83c74a4df828de714f556cfe005591319f530374b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8053512ce800a3531bb1abb83c74a4df828de714f556cfe005591319f530374b", kill_on_drop: false }`
[INFO] [stdout] 8053512ce800a3531bb1abb83c74a4df828de714f556cfe005591319f530374b
