[INFO] cloning repository https://github.com/Farzy/rust-fundamentals [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Farzy/rust-fundamentals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarzy%2Frust-fundamentals", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarzy%2Frust-fundamentals'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7a45c07de05652bd8a847c7cb7ac5f5a1520d592 [INFO] checking Farzy/rust-fundamentals against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarzy%2Frust-fundamentals" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Farzy/rust-fundamentals [INFO] finished tweaking git repo https://github.com/Farzy/rust-fundamentals [INFO] tweaked toml for git repo https://github.com/Farzy/rust-fundamentals written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Farzy/rust-fundamentals on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Farzy/rust-fundamentals 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-traits v0.2.16 [INFO] [stderr] Downloaded aho-corasick v1.1.1 [INFO] [stderr] Downloaded regex v1.9.6 [INFO] [stderr] Downloaded regex-automata v0.3.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fe33d51b839d30cb14d592c520de60541f33c1a5455e3e9c877844c98289c455 [INFO] running `Command { std: "docker" "start" "-a" "fe33d51b839d30cb14d592c520de60541f33c1a5455e3e9c877844c98289c455", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe33d51b839d30cb14d592c520de60541f33c1a5455e3e9c877844c98289c455", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe33d51b839d30cb14d592c520de60541f33c1a5455e3e9c877844c98289c455", kill_on_drop: false }` [INFO] [stdout] fe33d51b839d30cb14d592c520de60541f33c1a5455e3e9c877844c98289c455 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bb15d9ad7d7c7ea1f87c5b5eb8b0da0c72a2fd8f54566fca1905b9811755590d [INFO] running `Command { std: "docker" "start" "-a" "bb15d9ad7d7c7ea1f87c5b5eb8b0da0c72a2fd8f54566fca1905b9811755590d", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking aho-corasick v1.1.1 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking predicates-core v1.0.6 [INFO] [stderr] Checking termtree v0.4.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking predicates-tree v1.0.9 [INFO] [stderr] Checking fragile v2.0.0 [INFO] [stderr] Checking downcast v0.11.0 [INFO] [stderr] Checking mars_calc v0.1.0 (/opt/rustwide/workdir/mars_calc) [INFO] [stderr] Checking memory_management v0.1.0 (/opt/rustwide/workdir/memory_management) [INFO] [stderr] Checking server v0.1.0 (/opt/rustwide/workdir/server) [INFO] [stdout] warning: unused import: `Value as QueryStringValue` [INFO] [stdout] --> server/src/http/mod.rs:8:37 [INFO] [stdout] | [INFO] [stdout] 8 | pub use query_string::{QueryString, Value as QueryStringValue}; [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: `Value as QueryStringValue` [INFO] [stdout] --> server/src/http/mod.rs:8:37 [INFO] [stdout] | [INFO] [stdout] 8 | pub use query_string::{QueryString, Value as QueryStringValue}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> server/src/http/query_string.rs:16:16 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn get(&self, key: &str) -> Option<&Value> { [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 16 | pub fn get(&self, key: &str) -> Option<&Value<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> server/src/http/request.rs:25:25 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn query_string(&self) -> Option<&QueryString> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 25 | pub fn query_string(&self) -> Option<&QueryString<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> server/src/http/query_string.rs:16:16 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn get(&self, key: &str) -> Option<&Value> { [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 16 | pub fn get(&self, key: &str) -> Option<&Value<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> server/src/http/request.rs:25:25 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn query_string(&self) -> Option<&QueryString> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 25 | pub fn query_string(&self) -> Option<&QueryString<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking regex-automata v0.3.9 [INFO] [stderr] Checking playground v0.1.0 (/opt/rustwide/workdir/playground) [INFO] [stderr] Checking playground2 v0.1.0 (/opt/rustwide/workdir/playground2) [INFO] [stdout] warning: the feature `array_windows` has been stable since 1.94.0-nightly and no longer requires an attribute to enable [INFO] [stdout] --> playground2/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(array_windows)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> playground/src/main.rs:36:26 [INFO] [stdout] | [INFO] [stdout] 36 | fn try_create(paragraph: &str) -> Option { [INFO] [stdout] | ^^^^ ^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 36 | fn try_create(paragraph: &str) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> playground/src/main.rs:36:26 [INFO] [stdout] | [INFO] [stdout] 36 | fn try_create(paragraph: &str) -> Option { [INFO] [stdout] | ^^^^ ^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 36 | fn try_create(paragraph: &str) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `array_windows` has been stable since 1.94.0-nightly and no longer requires an attribute to enable [INFO] [stdout] --> playground2/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(array_windows)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> playground2/src/main.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | Cons(i32, RefCell>), [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 - Cons(i32, RefCell>), [INFO] [stdout] 13 + Cons((), RefCell>), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> playground2/src/main.rs:13:10 [INFO] [stdout] | [INFO] [stdout] 13 | Cons(i32, RefCell>), [INFO] [stdout] | ---- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 - Cons(i32, RefCell>), [INFO] [stdout] 13 + Cons((), RefCell>), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mockall_derive v0.11.4 [INFO] [stderr] Checking regex v1.9.6 [INFO] [stderr] Checking predicates v2.1.5 [INFO] [stderr] Checking mockall v0.11.4 [INFO] [stderr] Checking mock v0.1.0 (/opt/rustwide/workdir/mock) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> mock/src/lib.rs:30:29 [INFO] [stdout] | [INFO] [stdout] 30 | .returning(|_x| (())); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 30 - .returning(|_x| (())); [INFO] [stdout] 30 + .returning(|_x| ()); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.94s [INFO] running `Command { std: "docker" "inspect" "bb15d9ad7d7c7ea1f87c5b5eb8b0da0c72a2fd8f54566fca1905b9811755590d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb15d9ad7d7c7ea1f87c5b5eb8b0da0c72a2fd8f54566fca1905b9811755590d", kill_on_drop: false }` [INFO] [stdout] bb15d9ad7d7c7ea1f87c5b5eb8b0da0c72a2fd8f54566fca1905b9811755590d