[INFO] cloning repository https://github.com/BlueSpaceCanary/rustbucket [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlueSpaceCanary/rustbucket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlueSpaceCanary%2Frustbucket", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlueSpaceCanary%2Frustbucket'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bc3666b190c7843b6d13defa36750ca89eef73a9 [INFO] checking BlueSpaceCanary/rustbucket against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlueSpaceCanary%2Frustbucket" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BlueSpaceCanary/rustbucket on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/BlueSpaceCanary/rustbucket [INFO] finished tweaking git repo https://github.com/BlueSpaceCanary/rustbucket [INFO] tweaked toml for git repo https://github.com/BlueSpaceCanary/rustbucket written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/BlueSpaceCanary/rustbucket 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded irc-proto v0.15.0 [INFO] [stderr] Downloaded irc v0.15.0 [INFO] [stderr] Downloaded raw-cpuid v10.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb1726dc80d0eff1becf6da48a4d3fb5ef8e4bd74a843491f497f58458910456 [INFO] running `Command { std: "docker" "start" "-a" "cb1726dc80d0eff1becf6da48a4d3fb5ef8e4bd74a843491f497f58458910456", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb1726dc80d0eff1becf6da48a4d3fb5ef8e4bd74a843491f497f58458910456", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb1726dc80d0eff1becf6da48a4d3fb5ef8e4bd74a843491f497f58458910456", kill_on_drop: false }` [INFO] [stdout] cb1726dc80d0eff1becf6da48a4d3fb5ef8e4bd74a843491f497f58458910456 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 309a3cf1890256686b4c4d5f9fa9c4d78bee6d3b9249fd9d2f67d84e2e2180d3 [INFO] running `Command { std: "docker" "start" "-a" "309a3cf1890256686b4c4d5f9fa9c4d78bee6d3b9249fd9d2f67d84e2e2180d3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling syn v1.0.96 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling openssl-sys v0.9.74 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Compiling openssl v0.10.40 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.9 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking raw-cpuid v10.3.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking hashbrown v0.12.1 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Compiling anyhow v1.0.57 [INFO] [stderr] Checking nonzero_ext v0.3.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking no-std-compat v0.4.1 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking dotenv v0.15.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking dashmap v5.3.4 [INFO] [stderr] Checking quanta v0.9.3 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling diesel_derives v1.4.1 [INFO] [stderr] Checking tokio v1.19.2 [INFO] [stderr] Checking pin-project v1.0.10 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking diesel v1.4.8 [INFO] [stderr] Checking tokio-util v0.6.10 [INFO] [stderr] Checking tokio-stream v0.1.9 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking irc-proto v0.15.0 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking governor v0.4.2 [INFO] [stderr] Checking toml v0.5.9 [INFO] [stderr] Checking irc v0.15.0 [INFO] [stderr] Checking rustbucket v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/brain/hippocampus.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/brain/responder.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/brain/hippocampus.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/brain/responder.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::hippocampus::Hippocampus` [INFO] [stdout] --> src/brain/responder.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::hippocampus::Hippocampus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/brain/hippocampus.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | fn new(path: &'static str) -> Self { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/brain/hippocampus.rs:17:22 [INFO] [stdout] | [INFO] [stdout] 17 | fn recall(&self, key: &str) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `factoid` [INFO] [stdout] --> src/brain/hippocampus.rs:21:21 [INFO] [stdout] | [INFO] [stdout] 21 | fn learn(&self, factoid: &NewFactoid) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_factoid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::hippocampus::Hippocampus` [INFO] [stdout] --> src/brain/responder.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::hippocampus::Hippocampus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `path` [INFO] [stdout] --> src/brain/hippocampus.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | fn new(path: &'static str) -> Self { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/brain/hippocampus.rs:17:22 [INFO] [stdout] | [INFO] [stdout] 17 | fn recall(&self, key: &str) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `factoid` [INFO] [stdout] --> src/brain/hippocampus.rs:21:21 [INFO] [stdout] | [INFO] [stdout] 21 | fn learn(&self, factoid: &NewFactoid) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_factoid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_rng_seed` is never used [INFO] [stdout] --> src/brain.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 49 | impl Brain { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn set_rng_seed(&mut self, seed: u64) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `recall` is never used [INFO] [stdout] --> src/brain/hippocampus.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait Hippocampus { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 5 | fn new(path: &'static str) -> Self; [INFO] [stdout] 6 | fn recall(&self, key: &str) -> Option; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `pred` are never read [INFO] [stdout] --> src/models.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Factoid { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 5 | pub id: i32, [INFO] [stdout] | ^^ [INFO] [stdout] 6 | pub key: String, [INFO] [stdout] 7 | pub pred: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `recall` is never used [INFO] [stdout] --> src/brain/hippocampus.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub trait Hippocampus { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 5 | fn new(path: &'static str) -> Self; [INFO] [stdout] 6 | fn recall(&self, key: &str) -> Option; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `pred` are never read [INFO] [stdout] --> src/models.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Factoid { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 5 | pub id: i32, [INFO] [stdout] | ^^ [INFO] [stdout] 6 | pub key: String, [INFO] [stdout] 7 | pub pred: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.40s [INFO] running `Command { std: "docker" "inspect" "309a3cf1890256686b4c4d5f9fa9c4d78bee6d3b9249fd9d2f67d84e2e2180d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "309a3cf1890256686b4c4d5f9fa9c4d78bee6d3b9249fd9d2f67d84e2e2180d3", kill_on_drop: false }` [INFO] [stdout] 309a3cf1890256686b4c4d5f9fa9c4d78bee6d3b9249fd9d2f67d84e2e2180d3