[INFO] cloning repository https://github.com/Kshr0513/rust-lesson [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kshr0513/rust-lesson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKshr0513%2Frust-lesson", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKshr0513%2Frust-lesson'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 699f8728224541aa0ee5214db67c03cb041229c0 [INFO] checking Kshr0513/rust-lesson against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKshr0513%2Frust-lesson" "/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/Kshr0513/rust-lesson [INFO] finished tweaking git repo https://github.com/Kshr0513/rust-lesson [INFO] tweaked toml for git repo https://github.com/Kshr0513/rust-lesson written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Kshr0513/rust-lesson on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Kshr0513/rust-lesson 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.221 [INFO] [stderr] Downloaded serde_core v1.0.221 [INFO] [stderr] Downloaded serde_derive v1.0.221 [INFO] [stderr] Downloaded rustls-webpki v0.103.5 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c8e51f94245d212194b4549b66a320dc4efeb58c0a242586d96fb7ff372d6fb2 [INFO] running `Command { std: "docker" "start" "-a" "c8e51f94245d212194b4549b66a320dc4efeb58c0a242586d96fb7ff372d6fb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8e51f94245d212194b4549b66a320dc4efeb58c0a242586d96fb7ff372d6fb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8e51f94245d212194b4549b66a320dc4efeb58c0a242586d96fb7ff372d6fb2", kill_on_drop: false }` [INFO] [stdout] c8e51f94245d212194b4549b66a320dc4efeb58c0a242586d96fb7ff372d6fb2 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54882390a2fcf8377926f363aa85a6b27444f5e0f1cc0df622d2e53f5a693683 [INFO] running `Command { std: "docker" "start" "-a" "54882390a2fcf8377926f363aa85a6b27444f5e0f1cc0df622d2e53f5a693683", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling find-msvc-tools v0.1.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Compiling serde_core v1.0.221 [INFO] [stderr] Checking bitflags v2.9.4 [INFO] [stderr] Checking hashbrown v0.15.5 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling cc v1.2.37 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Compiling serde v1.0.221 [INFO] [stderr] Checking indexmap v2.11.1 [INFO] [stderr] Checking form_urlencoded v1.2.2 [INFO] [stderr] Checking rustls-pki-types v1.12.0 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking socket2 v0.6.0 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Checking tokio v1.47.1 [INFO] [stderr] Compiling openssl v0.10.73 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.221 [INFO] [stderr] Checking tokio-util v0.7.16 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking h2 v0.4.12 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.0 [INFO] [stderr] Checking tower-http v0.6.6 [INFO] [stderr] Checking zerovec v0.11.4 [INFO] [stderr] Checking zerotrie v0.2.2 [INFO] [stderr] Checking tinystr v0.8.1 [INFO] [stderr] Checking potential_utf v0.1.3 [INFO] [stderr] Checking icu_collections v2.0.0 [INFO] [stderr] Checking icu_locale_core v2.0.0 [INFO] [stderr] Checking icu_provider v2.0.0 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking icu_properties v2.0.1 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Checking hyper v1.7.0 [INFO] [stderr] Checking hyper-util v0.1.16 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking url v2.5.7 [INFO] [stderr] Checking hyper-tls v0.6.0 [INFO] [stderr] Checking reqwest v0.12.23 [INFO] [stderr] Checking rust-lesson v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `reqwest` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use reqwest; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ownership.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut s11 = String::from("hello"); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s2` [INFO] [stdout] --> src/ownership.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let s2 = s1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r3` [INFO] [stdout] --> src/ownership.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let r3 = &s11; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/ownership.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_ownership` is never used [INFO] [stdout] --> src/ownership.rs:89:4 [INFO] [stdout] | [INFO] [stdout] 89 | fn takes_ownership(s: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_giveback_ownership` is never used [INFO] [stdout] --> src/ownership.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn take_giveback_ownership(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_length` is never used [INFO] [stdout] --> src/ownership.rs:105:4 [INFO] [stdout] | [INFO] [stdout] 105 | fn calculate_length(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `change` is never used [INFO] [stdout] --> src/ownership.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | fn change(s: &mut String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List` is never used [INFO] [stdout] --> src/stack_heap.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/stack_heap.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_POINTS` is never used [INFO] [stdout] --> src/vars.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const MAX_POINTS: u32 = 100_000; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/vars.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `func_a` is never used [INFO] [stdout] --> src/vars/sub_a.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn func_a() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `func_b` is never used [INFO] [stdout] --> src/vars/sub_b.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn func_b() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `reqwest` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use reqwest; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ownership.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let mut s11 = String::from("hello"); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s2` [INFO] [stdout] --> src/ownership.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let s2 = s1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r3` [INFO] [stdout] --> src/ownership.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let r3 = &s11; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/ownership.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_ownership` is never used [INFO] [stdout] --> src/ownership.rs:89:4 [INFO] [stdout] | [INFO] [stdout] 89 | fn takes_ownership(s: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_giveback_ownership` is never used [INFO] [stdout] --> src/ownership.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn take_giveback_ownership(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_length` is never used [INFO] [stdout] --> src/ownership.rs:105:4 [INFO] [stdout] | [INFO] [stdout] 105 | fn calculate_length(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `change` is never used [INFO] [stdout] --> src/ownership.rs:110:4 [INFO] [stdout] | [INFO] [stdout] 110 | fn change(s: &mut String) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List` is never used [INFO] [stdout] --> src/stack_heap.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/stack_heap.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_POINTS` is never used [INFO] [stdout] --> src/vars.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | const MAX_POINTS: u32 = 100_000; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/vars.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `func_a` is never used [INFO] [stdout] --> src/vars/sub_a.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn func_a() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `func_b` is never used [INFO] [stdout] --> src/vars/sub_b.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn func_b() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.82s [INFO] running `Command { std: "docker" "inspect" "54882390a2fcf8377926f363aa85a6b27444f5e0f1cc0df622d2e53f5a693683", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54882390a2fcf8377926f363aa85a6b27444f5e0f1cc0df622d2e53f5a693683", kill_on_drop: false }` [INFO] [stdout] 54882390a2fcf8377926f363aa85a6b27444f5e0f1cc0df622d2e53f5a693683