[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#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 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-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/AthithyanR/learn-rust on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bf774df201518814f880bf78dae6864d28de894699380cd6c702f625a4393aa [INFO] running `Command { std: "docker" "start" "-a" "5bf774df201518814f880bf78dae6864d28de894699380cd6c702f625a4393aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bf774df201518814f880bf78dae6864d28de894699380cd6c702f625a4393aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bf774df201518814f880bf78dae6864d28de894699380cd6c702f625a4393aa", kill_on_drop: false }` [INFO] [stdout] 5bf774df201518814f880bf78dae6864d28de894699380cd6c702f625a4393aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ed5c454b2e8056f9850ed3bb15b9e2f112ea321765f523015f0be4566b5ff0c [INFO] running `Command { std: "docker" "start" "-a" "8ed5c454b2e8056f9850ed3bb15b9e2f112ea321765f523015f0be4566b5ff0c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling smallvec v1.11.2 [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 hashbrown v0.14.3 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling futures-sink v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling http v0.2.11 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling rustix v0.38.26 [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 tracing-core v0.1.32 [INFO] [stderr] Compiling want v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling httpdate v1.0.3 [INFO] [stderr] Compiling linux-raw-sys v0.4.12 [INFO] [stderr] Compiling unicode-bidi v0.3.13 [INFO] [stderr] Compiling tower-service v0.3.2 [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 ipnet v2.9.0 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling idna v0.5.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling cc v1.0.83 [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 parking_lot_core v0.9.9 [INFO] [stderr] Compiling socket2 v0.5.5 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling mio v0.8.9 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling socket2 v0.4.10 [INFO] [stderr] Compiling getrandom v0.2.11 [INFO] [stderr] Compiling url v2.5.0 [INFO] [stderr] Compiling chrono v0.4.31 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling is-terminal v0.4.9 [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 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>> [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 47.37s [INFO] running `Command { std: "docker" "inspect" "8ed5c454b2e8056f9850ed3bb15b9e2f112ea321765f523015f0be4566b5ff0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ed5c454b2e8056f9850ed3bb15b9e2f112ea321765f523015f0be4566b5ff0c", kill_on_drop: false }` [INFO] [stdout] 8ed5c454b2e8056f9850ed3bb15b9e2f112ea321765f523015f0be4566b5ff0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be3ca4eba81ee239d1cbd32da3b9559456120ad58a8d66e04c0f34addc4c8d60 [INFO] running `Command { std: "docker" "start" "-a" "be3ca4eba81ee239d1cbd32da3b9559456120ad58a8d66e04c0f34addc4c8d60", 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>> [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 0.75s [INFO] running `Command { std: "docker" "inspect" "be3ca4eba81ee239d1cbd32da3b9559456120ad58a8d66e04c0f34addc4c8d60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be3ca4eba81ee239d1cbd32da3b9559456120ad58a8d66e04c0f34addc4c8d60", kill_on_drop: false }` [INFO] [stdout] be3ca4eba81ee239d1cbd32da3b9559456120ad58a8d66e04c0f34addc4c8d60