[INFO] cloning repository https://github.com/sguimmara/rust-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sguimmara/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsguimmara%2Frust-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsguimmara%2Frust-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5c45f4486d641e88768edcdb6b7d4ae9b9e9dc6a [INFO] checking sguimmara/rust-playground against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsguimmara%2Frust-playground" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sguimmara/rust-playground 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/sguimmara/rust-playground [INFO] finished tweaking git repo https://github.com/sguimmara/rust-playground [INFO] tweaked toml for git repo https://github.com/sguimmara/rust-playground written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sguimmara/rust-playground 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded memchr v2.7.1 [INFO] [stderr] Downloaded subtle v2.5.0 [INFO] [stderr] Downloaded flexbuffers v2.0.0 [INFO] [stderr] Downloaded inout v0.1.3 [INFO] [stderr] Downloaded ctr v0.9.2 [INFO] [stderr] Downloaded cipher v0.4.4 [INFO] [stderr] Downloaded aead v0.5.2 [INFO] [stderr] Downloaded typenum v1.17.0 [INFO] [stderr] Downloaded polyval v0.6.1 [INFO] [stderr] Downloaded generic-array v0.14.7 [INFO] [stderr] Downloaded hashbrown v0.14.3 [INFO] [stderr] Downloaded aes v0.8.3 [INFO] [stderr] Downloaded aes-gcm v0.10.3 [INFO] [stderr] Downloaded winnow v0.5.32 [INFO] [stderr] Downloaded cpufeatures v0.2.12 [INFO] [stderr] Downloaded crypto-common v0.1.6 [INFO] [stderr] Downloaded ghash v0.5.0 [INFO] [stderr] Downloaded serde_derive v1.0.195 [INFO] [stderr] Downloaded serde v1.0.195 [INFO] [stderr] Downloaded opaque-debug v0.3.0 [INFO] [stderr] Downloaded universal-hash v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b83030d24dd2c4852bc067bd3088e36efda7d4a994fcf1d96b76fad43a2b8a37 [INFO] running `Command { std: "docker" "start" "-a" "b83030d24dd2c4852bc067bd3088e36efda7d4a994fcf1d96b76fad43a2b8a37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b83030d24dd2c4852bc067bd3088e36efda7d4a994fcf1d96b76fad43a2b8a37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b83030d24dd2c4852bc067bd3088e36efda7d4a994fcf1d96b76fad43a2b8a37", kill_on_drop: false }` [INFO] [stdout] b83030d24dd2c4852bc067bd3088e36efda7d4a994fcf1d96b76fad43a2b8a37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e6da39012c56ae2af5aae4d6e3e72b6a4f87c619023e867e62a04b3d2a0b4c8d [INFO] running `Command { std: "docker" "start" "-a" "e6da39012c56ae2af5aae4d6e3e72b6a4f87c619023e867e62a04b3d2a0b4c8d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling proc-macro2 v1.0.76 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling winnow v0.5.32 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking cpufeatures v0.2.12 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling paste v1.0.14 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling indexmap v2.1.0 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking inout v0.1.3 [INFO] [stderr] Checking universal-hash v0.5.1 [INFO] [stderr] Checking aead v0.5.2 [INFO] [stderr] Checking cipher v0.4.4 [INFO] [stderr] Checking polyval v0.6.1 [INFO] [stderr] Checking aes v0.8.3 [INFO] [stderr] Checking ctr v0.9.2 [INFO] [stderr] Checking ghash v0.5.0 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Checking aes-gcm v0.10.3 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling num_enum_derive v0.5.11 [INFO] [stderr] Checking num_enum v0.5.11 [INFO] [stderr] Checking flexbuffers v2.0.0 [INFO] [stderr] Checking playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `NodeIterator` is never constructed [INFO] [stdout] --> src/data_structures/linked_list.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | struct NodeIterator<'a, T> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/data_structures/linked_list.rs:59:12 [INFO] [stdout] | [INFO] [stdout] 58 | impl<'a, T> NodeIterator<'a, T> { [INFO] [stdout] | ------------------------------- associated function in this implementation [INFO] [stdout] 59 | pub fn new(node: &'a Node) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `next_as_ref`, `set`, and `clear` are never used [INFO] [stdout] --> src/data_structures/linked_list.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 77 | impl Node { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn next_as_ref(&self) -> Option<&Node> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 125 | pub fn set(&mut self, value: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/traits/rand.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | struct Angle(f64); [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set` and `clear` are never used [INFO] [stdout] --> src/data_structures/linked_list.rs:125:12 [INFO] [stdout] | [INFO] [stdout] 77 | impl Node { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 125 | pub fn set(&mut self, value: T) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | pub fn clear(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/traits/rand.rs:3:14 [INFO] [stdout] | [INFO] [stdout] 3 | struct Angle(f64); [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.29s [INFO] running `Command { std: "docker" "inspect" "e6da39012c56ae2af5aae4d6e3e72b6a4f87c619023e867e62a04b3d2a0b4c8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6da39012c56ae2af5aae4d6e3e72b6a4f87c619023e867e62a04b3d2a0b4c8d", kill_on_drop: false }` [INFO] [stdout] e6da39012c56ae2af5aae4d6e3e72b6a4f87c619023e867e62a04b3d2a0b4c8d