[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 master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAthithyanR%2Flearn-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AthithyanR/learn-rust on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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 tempfile v3.8.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.39
[INFO] [stderr]   Downloaded futures-core v0.3.29
[INFO] [stderr]   Downloaded iana-time-zone v0.1.58
[INFO] [stderr]   Downloaded colored v2.0.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.96
[INFO] [stderr]   Downloaded futures-channel v0.3.29
[INFO] [stderr]   Downloaded futures-task v0.3.29
[INFO] [stderr]   Downloaded http v0.2.11
[INFO] [stderr]   Downloaded serde_json v1.0.108
[INFO] [stderr]   Downloaded base64 v0.21.5
[INFO] [stderr]   Downloaded chrono v0.4.31
[INFO] [stderr]   Downloaded openssl v0.10.60
[INFO] [stderr]   Downloaded h2 v0.3.22
[INFO] [stderr]   Downloaded reqwest v0.11.22
[INFO] [stderr]   Downloaded futures-sink v0.3.29
[INFO] [stderr]   Downloaded futures-util v0.3.29
[INFO] [stderr]   Downloaded rustix v0.38.26
[INFO] [stderr]   Downloaded encoding_rs v0.8.33
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.12
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db12c02106d5f4dc7675a273e58daca9fa358d6b0883bd0fdd2d57e2b216afca
[INFO] running `Command { std: "docker" "start" "-a" "db12c02106d5f4dc7675a273e58daca9fa358d6b0883bd0fdd2d57e2b216afca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db12c02106d5f4dc7675a273e58daca9fa358d6b0883bd0fdd2d57e2b216afca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db12c02106d5f4dc7675a273e58daca9fa358d6b0883bd0fdd2d57e2b216afca", kill_on_drop: false }`
[INFO] [stdout] db12c02106d5f4dc7675a273e58daca9fa358d6b0883bd0fdd2d57e2b216afca
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35f7a81931499e0f8b5cf17204cec164e62bac95ba916020222198349e40cc5b
[INFO] running `Command { std: "docker" "start" "-a" "35f7a81931499e0f8b5cf17204cec164e62bac95ba916020222198349e40cc5b", 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 itoa v1.0.9
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling openssl v0.10.60
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling rustix v0.38.26
[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 http v0.2.11
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling colored v2.0.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.29s
[INFO] running `Command { std: "docker" "inspect" "35f7a81931499e0f8b5cf17204cec164e62bac95ba916020222198349e40cc5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f7a81931499e0f8b5cf17204cec164e62bac95ba916020222198349e40cc5b", kill_on_drop: false }`
[INFO] [stdout] 35f7a81931499e0f8b5cf17204cec164e62bac95ba916020222198349e40cc5b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b9ac92f0eaad38208e8ebb433faa389c4587fb26ab8a68c8b95da88d116bae2
[INFO] running `Command { std: "docker" "start" "-a" "9b9ac92f0eaad38208e8ebb433faa389c4587fb26ab8a68c8b95da88d116bae2", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "9b9ac92f0eaad38208e8ebb433faa389c4587fb26ab8a68c8b95da88d116bae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9ac92f0eaad38208e8ebb433faa389c4587fb26ab8a68c8b95da88d116bae2", kill_on_drop: false }`
[INFO] [stdout] 9b9ac92f0eaad38208e8ebb433faa389c4587fb26ab8a68c8b95da88d116bae2