[INFO] cloning repository https://github.com/i10416/minituna.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/i10416/minituna.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi10416%2Fminituna.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi10416%2Fminituna.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 43a272756759087efcf90baee39449e7db59d358 [INFO] checking i10416/minituna.rs against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fi10416%2Fminituna.rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/i10416/minituna.rs [INFO] finished tweaking git repo https://github.com/i10416/minituna.rs [INFO] tweaked toml for git repo https://github.com/i10416/minituna.rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/i10416/minituna.rs on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/i10416/minituna.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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5db72d7f94eedae8a05186890633a5744efc3c2a7990841a77100844afa3c96d [INFO] running `Command { std: "docker" "start" "-a" "5db72d7f94eedae8a05186890633a5744efc3c2a7990841a77100844afa3c96d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5db72d7f94eedae8a05186890633a5744efc3c2a7990841a77100844afa3c96d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5db72d7f94eedae8a05186890633a5744efc3c2a7990841a77100844afa3c96d", kill_on_drop: false }` [INFO] [stdout] 5db72d7f94eedae8a05186890633a5744efc3c2a7990841a77100844afa3c96d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 58f04b564c8f77050499fef44cf7181e6052158ac3a220c70449114adba58fb5 [INFO] running `Command { std: "docker" "start" "-a" "58f04b564c8f77050499fef44cf7181e6052158ac3a220c70449114adba58fb5", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Checking uuid v1.0.0-alpha.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling serde_derive v1.0.132 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking futures-util v0.3.19 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [INFO] [stderr] Checking minituna v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `uuid::Uuid` [INFO] [stdout] --> src/study.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | use uuid::Uuid; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `storage::InmemoryStorage` [INFO] [stdout] --> src/study.rs:96:35 [INFO] [stdout] | [INFO] [stdout] 96 | use crate::{sampler::Sampler, storage::InmemoryStorage}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `uuid::Uuid` [INFO] [stdout] --> src/study.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | use uuid::Uuid; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `storage::InmemoryStorage` [INFO] [stdout] --> src/study.rs:96:35 [INFO] [stdout] | [INFO] [stdout] 96 | use crate::{sampler::Sampler, storage::InmemoryStorage}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `trial_data` [INFO] [stdout] --> src/storage.rs:62:25 [INFO] [stdout] | [INFO] [stdout] 62 | if let Some(trial_data) = hm.get(&trial_id) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trial_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `trials` [INFO] [stdout] --> src/storage.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | let trials = hm.values(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_trials` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `it` [INFO] [stdout] --> src/storage.rs:108:21 [INFO] [stdout] | [INFO] [stdout] 108 | let it = &mut *self.underlying.lock().await; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_it` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/storage.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | let s = serde_json::to_string(&data).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `it` [INFO] [stdout] --> src/storage.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let it = &mut *self.underlying.lock().await; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_it` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/storage.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | let s = serde_json::to_string(&data).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `trial_data` [INFO] [stdout] --> src/storage.rs:62:25 [INFO] [stdout] | [INFO] [stdout] 62 | if let Some(trial_data) = hm.get(&trial_id) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trial_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `trials` [INFO] [stdout] --> src/storage.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | let trials = hm.values(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_trials` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Sampler` is never used [INFO] [stdout] --> src/sampler.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait Sampler { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Storage` is never used [INFO] [stdout] --> src/storage.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait Storage { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InmemoryStorage` is never constructed [INFO] [stdout] --> src/storage.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct InmemoryStorage { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `instance` and `new` are never used [INFO] [stdout] --> src/storage.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 39 | impl InmemoryStorage { [INFO] [stdout] | -------------------- associated functions in this implementation [INFO] [stdout] 40 | fn instance() -> &'static Mutex>>> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `it` [INFO] [stdout] --> src/storage.rs:108:21 [INFO] [stdout] | [INFO] [stdout] 108 | let it = &mut *self.underlying.lock().await; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_it` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Study` is never used [INFO] [stdout] --> src/study.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | trait Study { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StudyInstance` is never constructed [INFO] [stdout] --> src/study.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | struct StudyInstance { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/study.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 84 | impl StudyInstance{ [INFO] [stdout] | ----------------------------------- associated function in this implementation [INFO] [stdout] 85 | fn new() ->Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test` is never used [INFO] [stdout] --> src/study.rs:100:14 [INFO] [stdout] | [INFO] [stdout] 100 | async fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Trial` is never constructed [INFO] [stdout] --> src/trial.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Trial { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/trial.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 23 | impl Trial { [INFO] [stdout] | --------------------------- associated function in this implementation [INFO] [stdout] 24 | pub(crate) fn new(study_id: Uuid, trial_id: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TrialData` is never used [INFO] [stdout] --> src/frozen_trial.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum TrialData { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ParamData` is never constructed [INFO] [stdout] --> src/frozen_trial.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct ParamData { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/storage.rs:109:21 [INFO] [stdout] | [INFO] [stdout] 109 | let s = serde_json::to_string(&data).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `it` [INFO] [stdout] --> src/storage.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let it = &mut *self.underlying.lock().await; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_it` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/storage.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | let s = serde_json::to_string(&data).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Sampler` is never used [INFO] [stdout] --> src/sampler.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait Sampler { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Storage` is never used [INFO] [stdout] --> src/storage.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | pub trait Storage { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `InmemoryStorage` is never constructed [INFO] [stdout] --> src/storage.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct InmemoryStorage { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `instance` and `new` are never used [INFO] [stdout] --> src/storage.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 39 | impl InmemoryStorage { [INFO] [stdout] | -------------------- associated functions in this implementation [INFO] [stdout] 40 | fn instance() -> &'static Mutex>>> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Study` is never used [INFO] [stdout] --> src/study.rs:14:7 [INFO] [stdout] | [INFO] [stdout] 14 | trait Study { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StudyInstance` is never constructed [INFO] [stdout] --> src/study.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | struct StudyInstance { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/study.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 84 | impl StudyInstance{ [INFO] [stdout] | ----------------------------------- associated function in this implementation [INFO] [stdout] 85 | fn new() ->Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test` is never used [INFO] [stdout] --> src/study.rs:100:14 [INFO] [stdout] | [INFO] [stdout] 100 | async fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Trial` is never constructed [INFO] [stdout] --> src/trial.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Trial { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/trial.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 23 | impl Trial { [INFO] [stdout] | --------------------------- associated function in this implementation [INFO] [stdout] 24 | pub(crate) fn new(study_id: Uuid, trial_id: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `TrialData` is never used [INFO] [stdout] --> src/frozen_trial.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum TrialData { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ParamData` is never constructed [INFO] [stdout] --> src/frozen_trial.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct ParamData { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.36s [INFO] running `Command { std: "docker" "inspect" "58f04b564c8f77050499fef44cf7181e6052158ac3a220c70449114adba58fb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58f04b564c8f77050499fef44cf7181e6052158ac3a220c70449114adba58fb5", kill_on_drop: false }` [INFO] [stdout] 58f04b564c8f77050499fef44cf7181e6052158ac3a220c70449114adba58fb5