[INFO] cloning repository https://github.com/iyakushev/express [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iyakushev/express" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiyakushev%2Fexpress", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiyakushev%2Fexpress'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2c21098b2f992ec9a66fc071d70692718833d6ef [INFO] checking iyakushev/express against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiyakushev%2Fexpress" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iyakushev/express on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/iyakushev/express [INFO] finished tweaking git repo https://github.com/iyakushev/express [INFO] tweaked toml for git repo https://github.com/iyakushev/express written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/iyakushev/express 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] faa9b477b642d6e41348e9f712c8c2aaa6bee0a9af5455431b944a68b8283b7b [INFO] running `Command { std: "docker" "start" "-a" "faa9b477b642d6e41348e9f712c8c2aaa6bee0a9af5455431b944a68b8283b7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "faa9b477b642d6e41348e9f712c8c2aaa6bee0a9af5455431b944a68b8283b7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faa9b477b642d6e41348e9f712c8c2aaa6bee0a9af5455431b944a68b8283b7b", kill_on_drop: false }` [INFO] [stdout] faa9b477b642d6e41348e9f712c8c2aaa6bee0a9af5455431b944a68b8283b7b [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2376170a276b21ec756ce07b932a2cf0a767d448e15e7114a80e0e418510d6b3 [INFO] running `Command { std: "docker" "start" "-a" "2376170a276b21ec756ce07b932a2cf0a767d448e15e7114a80e0e418510d6b3", 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] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling syn v1.0.92 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking types v0.0.0 (/opt/rustwide/workdir/express-core/types) [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Checking nom v7.1.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling libc v0.2.124 [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> express-core/types/src/lib.rs:96:46 [INFO] [stdout] | [INFO] [stdout] 96 | let name = self.inner.borrow().name().clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> express-core/types/src/lib.rs:96:46 [INFO] [stdout] | [INFO] [stdout] 96 | let name = self.inner.borrow().name().clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` 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] Compiling rayon-core v1.9.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> express-core/types/src/lib.rs:96:46 [INFO] [stdout] | [INFO] [stdout] 96 | let name = self.inner.borrow().name().clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking quote v1.0.18 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking lang v0.1.0 (/opt/rustwide/workdir/express-core/lang) [INFO] [stderr] Checking xmacro v0.0.0 (/opt/rustwide/workdir/express-core/xmacro) [INFO] [stderr] Checking express v0.1.0 (/opt/rustwide/workdir/express-core) [INFO] [stdout] warning: unused import: `types` [INFO] [stdout] --> express-core/xmacro/tests/integration_test.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | pub use types; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking express-std v0.1.0 (/opt/rustwide/workdir/express-std) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Reduce` is never constructed [INFO] [stdout] --> express-std/src/func/reduce.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Reduce { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking express-eval v0.1.0 (/opt/rustwide/workdir/express-eval) [INFO] [stdout] warning: struct `Reduce` is never constructed [INFO] [stdout] --> express-std/src/func/reduce.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Reduce { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> express-eval/src/interp.rs:254:21 [INFO] [stdout] | [INFO] [stdout] 254 | drop(rf); [INFO] [stdout] | ^^^^^--^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut FormulaLink` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 254 - drop(rf); [INFO] [stdout] 254 + let _ = rf; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> express-eval/src/interp.rs:254:21 [INFO] [stdout] | [INFO] [stdout] 254 | drop(rf); [INFO] [stdout] | ^^^^^--^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ir::FormulaLink` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 254 - drop(rf); [INFO] [stdout] 254 + let _ = rf; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s [INFO] running `Command { std: "docker" "inspect" "2376170a276b21ec756ce07b932a2cf0a767d448e15e7114a80e0e418510d6b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2376170a276b21ec756ce07b932a2cf0a767d448e15e7114a80e0e418510d6b3", kill_on_drop: false }` [INFO] [stdout] 2376170a276b21ec756ce07b932a2cf0a767d448e15e7114a80e0e418510d6b3