[INFO] cloning repository https://github.com/chokri/rust-basics [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chokri/rust-basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchokri%2Frust-basics", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchokri%2Frust-basics'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 82ec1b5bda82a9766c2e60696bd8f97a686ca1c7 [INFO] checking chokri/rust-basics against master#249cb84316401daf040832cdbb8a45e0f5ab6af8 for pr-138438 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchokri%2Frust-basics" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chokri/rust-basics on toolchain 249cb84316401daf040832cdbb8a45e0f5ab6af8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chokri/rust-basics [INFO] finished tweaking git repo https://github.com/chokri/rust-basics [INFO] tweaked toml for git repo https://github.com/chokri/rust-basics written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/chokri/rust-basics 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" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] af9637c91db87f911a3db7de52c5322d51325c2178f88917c96b3d52542d1c71 [INFO] running `Command { std: "docker" "start" "-a" "af9637c91db87f911a3db7de52c5322d51325c2178f88917c96b3d52542d1c71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af9637c91db87f911a3db7de52c5322d51325c2178f88917c96b3d52542d1c71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af9637c91db87f911a3db7de52c5322d51325c2178f88917c96b3d52542d1c71", kill_on_drop: false }` [INFO] [stdout] af9637c91db87f911a3db7de52c5322d51325c2178f88917c96b3d52542d1c71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a966238610d4c44ec0b68c56b1b6db05dcea4d798aca2482ab70d59a632af25 [INFO] running `Command { std: "docker" "start" "-a" "8a966238610d4c44ec0b68c56b1b6db05dcea4d798aca2482ab70d59a632af25", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Compiling syn v2.0.95 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking inout v0.1.3 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking cipher v0.4.4 [INFO] [stderr] Checking blowfish v0.9.1 [INFO] [stderr] Checking bcrypt v0.13.0 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `full_name` is never used [INFO] [stdout] --> src/person.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Person { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | fn full_name (&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/person.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `token` is never read [INFO] [stdout] --> src/graph.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct User { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | pub token: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `full_name` is never used [INFO] [stdout] --> src/person.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Person { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 20 | fn full_name (&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/person.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `token` is never read [INFO] [stdout] --> src/graph.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct User { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 9 | pub token: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `str::::replace` that must be used [INFO] [stdout] --> src/vars.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | title.replace("world", "there"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the replaced string as a new allocation, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = title.replace("world", "there"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `str::::replace` that must be used [INFO] [stdout] --> src/vars.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | title.replace("world", "there"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this returns the replaced string as a new allocation, without modifying the original [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = title.replace("world", "there"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.29s [INFO] running `Command { std: "docker" "inspect" "8a966238610d4c44ec0b68c56b1b6db05dcea4d798aca2482ab70d59a632af25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a966238610d4c44ec0b68c56b1b6db05dcea4d798aca2482ab70d59a632af25", kill_on_drop: false }` [INFO] [stdout] 8a966238610d4c44ec0b68c56b1b6db05dcea4d798aca2482ab70d59a632af25