[INFO] cloning repository https://github.com/Danvaspri/rust-learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Danvaspri/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanvaspri%2Frust-learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanvaspri%2Frust-learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 03e7459896c4bec301dafc7a66700cd5f5e7a059 [INFO] checking Danvaspri/rust-learning/03e7459896c4bec301dafc7a66700cd5f5e7a059 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanvaspri%2Frust-learning" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Danvaspri/rust-learning on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Danvaspri/rust-learning [INFO] finished tweaking git repo https://github.com/Danvaspri/rust-learning [INFO] tweaked toml for git repo https://github.com/Danvaspri/rust-learning written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Danvaspri/rust-learning 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/Cargo.toml: unused manifest key: workspace.edition [INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/Cargo.toml: unused manifest key: workspace.name [INFO] [stderr] warning: /workspace/builds/worker-7-tc2/source/Cargo.toml: unused manifest key: workspace.version [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c08a601d5bed26e869f1c94f06b2a178bf2737caca9665a88a665aae1d5057c9 [INFO] running `Command { std: "docker" "start" "-a" "c08a601d5bed26e869f1c94f06b2a178bf2737caca9665a88a665aae1d5057c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c08a601d5bed26e869f1c94f06b2a178bf2737caca9665a88a665aae1d5057c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c08a601d5bed26e869f1c94f06b2a178bf2737caca9665a88a665aae1d5057c9", kill_on_drop: false }` [INFO] [stdout] c08a601d5bed26e869f1c94f06b2a178bf2737caca9665a88a665aae1d5057c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3d2f85da9a151a375fc4dd2b5fd093152761c4a55ddca3059cf4dc343c3f95d0 [INFO] running `Command { std: "docker" "start" "-a" "3d2f85da9a151a375fc4dd2b5fd093152761c4a55ddca3059cf4dc343c3f95d0", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: workspace.edition [INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: workspace.name [INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: workspace.version [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking single_threaded_ws v0.1.0 (/opt/rustwide/workdir/single_threaded_ws) [INFO] [stderr] Checking channels v0.1.0 (/opt/rustwide/workdir/channels) [INFO] [stderr] Checking oop v0.1.0 (/opt/rustwide/workdir/oop) [INFO] [stderr] Checking mutex v0.1.0 (/opt/rustwide/workdir/mutex) [INFO] [stderr] Checking threads v0.1.0 (/opt/rustwide/workdir/threads) [INFO] [stderr] Checking pointers v0.1.0 (/opt/rustwide/workdir/pointers) [INFO] [stderr] Checking smart_pointers v0.1.0 (/opt/rustwide/workdir/smart_pointers) [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> pointers/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> pointers/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vec_handle` [INFO] [stdout] --> threads/src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let vec_handle = thread::spawn(move || { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> smart_pointers/src/main.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | 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)]` 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] 5 | Cons((),RefCell>), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vec_handle` [INFO] [stdout] --> threads/src/main.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let vec_handle = thread::spawn(move || { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vec_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> smart_pointers/src/main.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | 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)]` 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] 5 | Cons((),RefCell>), [INFO] [stdout] | ~~ [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] [stdout] warning: 1 warning emitted [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] Checking getrandom v0.2.14 [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 cli v0.1.0 (/opt/rustwide/workdir/cli) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.40s [INFO] running `Command { std: "docker" "inspect" "3d2f85da9a151a375fc4dd2b5fd093152761c4a55ddca3059cf4dc343c3f95d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d2f85da9a151a375fc4dd2b5fd093152761c4a55ddca3059cf4dc343c3f95d0", kill_on_drop: false }` [INFO] [stdout] 3d2f85da9a151a375fc4dd2b5fd093152761c4a55ddca3059cf4dc343c3f95d0