[INFO] cloning repository https://github.com/fallra1n/rust-study [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fallra1n/rust-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffallra1n%2Frust-study", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffallra1n%2Frust-study'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4c59f44f052d2bcfa4ea09db8ff8d58cabc5b313 [INFO] checking fallra1n/rust-study against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffallra1n%2Frust-study" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fallra1n/rust-study on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fallra1n/rust-study [INFO] finished tweaking git repo https://github.com/fallra1n/rust-study [INFO] tweaked toml for git repo https://github.com/fallra1n/rust-study written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fallra1n/rust-study 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ntest_timeout v0.9.2 [INFO] [stderr] Downloaded ntest_test_cases v0.9.2 [INFO] [stderr] Downloaded ntest v0.9.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3c2c751220f8af3d9be27fe42e499919b8ebecf6f410826f90ff2926f9aff0e [INFO] running `Command { std: "docker" "start" "-a" "d3c2c751220f8af3d9be27fe42e499919b8ebecf6f410826f90ff2926f9aff0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3c2c751220f8af3d9be27fe42e499919b8ebecf6f410826f90ff2926f9aff0e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3c2c751220f8af3d9be27fe42e499919b8ebecf6f410826f90ff2926f9aff0e", kill_on_drop: false }` [INFO] [stdout] d3c2c751220f8af3d9be27fe42e499919b8ebecf6f410826f90ff2926f9aff0e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b19ba5023e7b31b270385b0b28d3eb059226acf6bc56570270efd84c57cb4c25 [INFO] running `Command { std: "docker" "start" "-a" "b19ba5023e7b31b270385b0b28d3eb059226acf6bc56570270efd84c57cb4c25", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling winnow v0.5.40 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking half v2.4.0 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking linux-raw-sys v0.4.13 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking trust v0.1.0 (/opt/rustwide/workdir/trust) [INFO] [stderr] Checking itertools v0.2.0 (/opt/rustwide/workdir/itertools) [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking clap v4.5.3 [INFO] [stderr] Checking combinations v0.1.0 (/opt/rustwide/workdir/combinations) [INFO] [stderr] Checking conway v0.1.0 (/opt/rustwide/workdir/conway) [INFO] [stderr] Compiling toml_edit v0.21.1 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Checking comm v0.1.0 (/opt/rustwide/workdir/comm) [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling ntest_test_cases v0.9.2 [INFO] [stderr] Compiling proc-macro-crate v3.1.0 [INFO] [stderr] Compiling ntest_timeout v0.9.2 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking ntest v0.9.2 [INFO] [stderr] Checking lru-cache v0.1.0 (/opt/rustwide/workdir/lru-cache) [INFO] [stderr] Checking prefix v0.1.0 (/opt/rustwide/workdir/prefix) [INFO] [stderr] Checking min-queue v0.1.0 (/opt/rustwide/workdir/min-queue) [INFO] [stderr] Checking mpsc v0.1.0 (/opt/rustwide/workdir/mpsc) [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Checking flatmap v0.1.0 (/opt/rustwide/workdir/flatmap) [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> flatmap/src/lib.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{borrow::Borrow, iter::FromIterator, ops::Index}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> flatmap/src/lib.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{borrow::Borrow, iter::FromIterator, ops::Index}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking examples v0.1.0 (/opt/rustwide/workdir/examples) [INFO] [stdout] warning: the item `comm` is imported redundantly [INFO] [stdout] --> examples/comm.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use comm; [INFO] [stdout] | ^^^^ the item `comm` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RoundOutcome` [INFO] [stdout] --> examples/trust.rs:2:88 [INFO] [stdout] | [INFO] [stdout] 2 | CheatingAgent, CooperatingAgent, CopycatAgent, DetectiveAgent, Game, GrudgerAgent, RoundOutcome, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/itertools.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let mut base = data.iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `prefix` is imported redundantly [INFO] [stdout] --> examples/prefix.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use prefix; [INFO] [stdout] | ^^^^^^ the item `prefix` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.64s [INFO] running `Command { std: "docker" "inspect" "b19ba5023e7b31b270385b0b28d3eb059226acf6bc56570270efd84c57cb4c25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b19ba5023e7b31b270385b0b28d3eb059226acf6bc56570270efd84c57cb4c25", kill_on_drop: false }` [INFO] [stdout] b19ba5023e7b31b270385b0b28d3eb059226acf6bc56570270efd84c57cb4c25