[INFO] cloning repository https://github.com/etmorefish/rust_projects [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etmorefish/rust_projects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetmorefish%2Frust_projects", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetmorefish%2Frust_projects'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3c2cea873b822659db331a1b7b8094c253da5670 [INFO] checking etmorefish/rust_projects against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetmorefish%2Frust_projects" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/etmorefish/rust_projects 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/etmorefish/rust_projects [INFO] finished tweaking git repo https://github.com/etmorefish/rust_projects [INFO] tweaked toml for git repo https://github.com/etmorefish/rust_projects written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/etmorefish/rust_projects 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] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] warning: /workspace/builds/worker-1-tc1/source/chinese_search_engine/Cargo.toml: unused manifest key: target.x86_64-unknown-linux-gnu.linker [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded plist v1.6.0 [INFO] [stderr] Downloaded cedarwood v0.4.6 [INFO] [stderr] Downloaded openssl v0.10.58 [INFO] [stderr] Downloaded openssl-sys v0.9.94 [INFO] [stderr] Downloaded syntect v5.1.0 [INFO] [stderr] Downloaded jieba-rs v0.6.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 79d0c408b8b56c9a82db75a4bf7d36fb3c1735ec7508647c9cbe205a710ef9ef [INFO] running `Command { std: "docker" "start" "-a" "79d0c408b8b56c9a82db75a4bf7d36fb3c1735ec7508647c9cbe205a710ef9ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79d0c408b8b56c9a82db75a4bf7d36fb3c1735ec7508647c9cbe205a710ef9ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79d0c408b8b56c9a82db75a4bf7d36fb3c1735ec7508647c9cbe205a710ef9ef", kill_on_drop: false }` [INFO] [stdout] 79d0c408b8b56c9a82db75a4bf7d36fb3c1735ec7508647c9cbe205a710ef9ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6180936a37fdb7893fa825c661831ee1abd4a27252ca968c8b217a25f579e71d [INFO] running `Command { std: "docker" "start" "-a" "6180936a37fdb7893fa825c661831ee1abd4a27252ca968c8b217a25f579e71d", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] warning: /opt/rustwide/workdir/chinese_search_engine/Cargo.toml: unused manifest key: target.x86_64-unknown-linux-gnu.linker [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Checking smallvec v1.11.1 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Compiling serde v1.0.190 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Compiling phf_shared v0.11.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Checking anstream v0.6.13 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling phf_generator v0.11.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Compiling openssl v0.10.58 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling phf_codegen v0.11.2 [INFO] [stderr] Checking http v0.2.9 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling jieba-rs v0.6.8 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking ordered-float v3.9.2 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking deranged v0.3.10 [INFO] [stderr] Checking phf v0.11.2 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking socket2 v0.4.10 [INFO] [stderr] Checking cedarwood v0.4.6 [INFO] [stderr] Compiling thiserror v1.0.51 [INFO] [stderr] Checking linux-raw-sys v0.4.10 [INFO] [stderr] Compiling openssl-sys v0.9.94 [INFO] [stderr] Compiling onig_sys v69.8.1 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking line-wrap v0.1.1 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking time v0.3.31 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking quick-xml v0.31.0 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking env_filter v0.1.0 [INFO] [stderr] Checking env_logger v0.11.3 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling serde_derive v1.0.190 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Compiling thiserror-impl v1.0.51 [INFO] [stderr] Checking tokio v1.33.0 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking url v2.4.1 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking colored v2.0.4 [INFO] [stderr] Checking onig v6.4.0 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking chinese_search_engine v0.1.0 (/opt/rustwide/workdir/chinese_search_engine) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> chinese_search_engine/src/main.rs:310:9 [INFO] [stdout] | [INFO] [stdout] 310 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> chinese_search_engine/src/main.rs:309:1 [INFO] [stdout] | [INFO] [stdout] 309 | mod tests { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `clap::builder::PossibleValuesParser` [INFO] [stdout] --> chinese_search_engine/src/main.rs:312:9 [INFO] [stdout] | [INFO] [stdout] 312 | use clap::builder::PossibleValuesParser; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> chinese_search_engine/src/main.rs:309:1 [INFO] [stdout] | [INFO] [stdout] 309 | mod tests { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `clap::builder::PossibleValuesParser` [INFO] [stdout] --> chinese_search_engine/src/main.rs:312:9 [INFO] [stdout] | [INFO] [stdout] 312 | use clap::builder::PossibleValuesParser; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> chinese_search_engine/src/bin/jieba.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> chinese_search_engine/src/bin/jieba.rs:94:1 [INFO] [stdout] | [INFO] [stdout] 94 | mod tests { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `summary_start` is never read [INFO] [stdout] --> chinese_search_engine/src/main.rs:113:25 [INFO] [stdout] | [INFO] [stdout] 113 | let mut summary_start = 0; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `summary_end` is never read [INFO] [stdout] --> chinese_search_engine/src/main.rs:114:25 [INFO] [stdout] | [INFO] [stdout] 114 | let mut summary_end = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `summary_start` is never read [INFO] [stdout] --> chinese_search_engine/src/main.rs:113:25 [INFO] [stdout] | [INFO] [stdout] 113 | let mut summary_start = 0; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `summary_end` is never read [INFO] [stdout] --> chinese_search_engine/src/main.rs:114:25 [INFO] [stdout] | [INFO] [stdout] 114 | let mut summary_end = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `text` [INFO] [stdout] --> chinese_search_engine/src/main.rs:319:13 [INFO] [stdout] | [INFO] [stdout] 319 | let text = "世界经济学是一门非常大的社会科学"; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_text` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `text` [INFO] [stdout] --> chinese_search_engine/src/main.rs:387:13 [INFO] [stdout] | [INFO] [stdout] 387 | let text = " [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_text` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> chinese_search_engine/src/main.rs:415:13 [INFO] [stdout] | [INFO] [stdout] 415 | let mut v = vec![1, 2, 2, 2, 3, 4, 5, 2, 4]; [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: value assigned to `summary_start` is never read [INFO] [stdout] --> chinese_search_engine/src/main.rs:483:25 [INFO] [stdout] | [INFO] [stdout] 483 | let mut summary_start = 0; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `summary_end` is never read [INFO] [stdout] --> chinese_search_engine/src/main.rs:484:25 [INFO] [stdout] | [INFO] [stdout] 484 | let mut summary_end = 0; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking h2 v0.3.21 [INFO] [stderr] Checking serde_json v1.0.108 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking plist v1.6.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking syntect v5.1.0 [INFO] [stderr] Checking hyper v0.14.27 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.22 [INFO] [stderr] Checking httpie v0.1.0 (/opt/rustwide/workdir/httpie) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s [INFO] running `Command { std: "docker" "inspect" "6180936a37fdb7893fa825c661831ee1abd4a27252ca968c8b217a25f579e71d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6180936a37fdb7893fa825c661831ee1abd4a27252ca968c8b217a25f579e71d", kill_on_drop: false }` [INFO] [stdout] 6180936a37fdb7893fa825c661831ee1abd4a27252ca968c8b217a25f579e71d