[INFO] cloning repository https://github.com/etashhh/artgen-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etashhh/artgen-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetashhh%2Fartgen-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetashhh%2Fartgen-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0854f162f99beed0ee2beef84b86dd76ff073fd6 [INFO] checking etashhh/artgen-rs against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetashhh%2Fartgen-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/etashhh/artgen-rs [INFO] finished tweaking git repo https://github.com/etashhh/artgen-rs [INFO] tweaked toml for git repo https://github.com/etashhh/artgen-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/etashhh/artgen-rs on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/etashhh/artgen-rs 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... 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"/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d50324f9a754df0d5832f43de14972526cdbb523ceb5c6ad69a3828579d8b910 [INFO] running `Command { std: "docker" "start" "-a" "d50324f9a754df0d5832f43de14972526cdbb523ceb5c6ad69a3828579d8b910", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling libm v0.2.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking deflate v1.0.0 [INFO] [stderr] Checking 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[stderr] Checking exr v1.4.1 [INFO] [stderr] Checking image v0.24.1 [INFO] [stderr] Checking ciborium v0.2.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking artgen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::constants::*` [INFO] [stdout] --> src/commands/select.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use crate::constants::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/commands/generate.rs:170:30 [INFO] [stdout] | [INFO] [stdout] 170 | fn gen_asset(rarity_tracker: &Vec>, current_id: u128) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 170 | fn gen_asset(rarity_tracker: &Vec>, current_id: u128) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | command.execute(matches); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = command.execute(matches); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::constants::*` [INFO] [stdout] --> src/commands/select.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use crate::constants::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | command.execute(matches); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = command.execute(matches); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/commands/generate.rs:170:30 [INFO] [stdout] | [INFO] [stdout] 170 | fn gen_asset(rarity_tracker: &Vec>, current_id: u128) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ----- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 170 | fn gen_asset(rarity_tracker: &Vec>, current_id: u128) -> Result> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.08s [INFO] running `Command { std: "docker" "inspect" "d50324f9a754df0d5832f43de14972526cdbb523ceb5c6ad69a3828579d8b910", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" 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