[INFO] cloning repository https://github.com/HellOwhatAs/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HellOwhatAs/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHellOwhatAs%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHellOwhatAs%2Frust-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc3732e346485dc2247c94f73124d256912edf68 [INFO] building HellOwhatAs/rust-learn against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHellOwhatAs%2Frust-learn" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/HellOwhatAs/rust-learn on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/HellOwhatAs/rust-learn [INFO] finished tweaking git repo https://github.com/HellOwhatAs/rust-learn [INFO] tweaked toml for git repo https://github.com/HellOwhatAs/rust-learn written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/HellOwhatAs/rust-learn 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d987cc4630a29325a30239382c33e4af0f67d525c03b51fc3f769e974d8df7c1 [INFO] running `Command { std: "docker" "start" "-a" "d987cc4630a29325a30239382c33e4af0f67d525c03b51fc3f769e974d8df7c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d987cc4630a29325a30239382c33e4af0f67d525c03b51fc3f769e974d8df7c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d987cc4630a29325a30239382c33e4af0f67d525c03b51fc3f769e974d8df7c1", kill_on_drop: false }` [INFO] [stdout] d987cc4630a29325a30239382c33e4af0f67d525c03b51fc3f769e974d8df7c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da7be0c419729954452830868fd5f925ad2c00f1dea55b8533dffd97cbf83099 [INFO] running `Command { std: "docker" "start" "-a" "da7be0c419729954452830868fd5f925ad2c00f1dea55b8533dffd97cbf83099", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling rayon v1.8.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling rust-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/smart_pointers.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | Cons(T, Box>), [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] 10 | Cons(T, ()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/advanced_features.rs:72:18 [INFO] [stdout] | [INFO] [stdout] 72 | unsafe { X.push(75) }; [INFO] [stdout] | ^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/advanced_features.rs:73:35 [INFO] [stdout] | [INFO] [stdout] 73 | println!("{:?}", unsafe { X.clone() }); [INFO] [stdout] | ^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module [INFO] [stdout] --> src/advanced_features.rs:231:9 [INFO] [stdout] | [INFO] [stdout] 231 | / macro_rules! join { [INFO] [stdout] 232 | | (($sep: expr, $l: expr, $r: expr), $($x: expr),*) => { [INFO] [stdout] 233 | | concat!($l, $($x, $sep,)* $r) [INFO] [stdout] 234 | | }; [INFO] [stdout] ... | [INFO] [stdout] 237 | | }; [INFO] [stdout] 238 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = help: remove the `#[macro_export]` or move this `macro_rules!` outside the of the current function `macros` [INFO] [stdout] = note: a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.37s [INFO] running `Command { std: "docker" "inspect" "da7be0c419729954452830868fd5f925ad2c00f1dea55b8533dffd97cbf83099", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da7be0c419729954452830868fd5f925ad2c00f1dea55b8533dffd97cbf83099", kill_on_drop: false }` [INFO] [stdout] da7be0c419729954452830868fd5f925ad2c00f1dea55b8533dffd97cbf83099 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5fe332970483086e64e5a1aeccbaf96b86732aa23bfeee14c7161b9ad8e86ed [INFO] running `Command { std: "docker" "start" "-a" "b5fe332970483086e64e5a1aeccbaf96b86732aa23bfeee14c7161b9ad8e86ed", kill_on_drop: false }` [INFO] [stderr] Compiling rust-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/smart_pointers.rs:10:21 [INFO] [stdout] | [INFO] [stdout] 10 | Cons(T, Box>), [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] 10 | Cons(T, ()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/advanced_features.rs:72:18 [INFO] [stdout] | [INFO] [stdout] 72 | unsafe { X.push(75) }; [INFO] [stdout] | ^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/advanced_features.rs:73:35 [INFO] [stdout] | [INFO] [stdout] 73 | println!("{:?}", unsafe { X.clone() }); [INFO] [stdout] | ^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module [INFO] [stdout] --> src/advanced_features.rs:231:9 [INFO] [stdout] | [INFO] [stdout] 231 | / macro_rules! join { [INFO] [stdout] 232 | | (($sep: expr, $l: expr, $r: expr), $($x: expr),*) => { [INFO] [stdout] 233 | | concat!($l, $($x, $sep,)* $r) [INFO] [stdout] 234 | | }; [INFO] [stdout] ... | [INFO] [stdout] 237 | | }; [INFO] [stdout] 238 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = help: remove the `#[macro_export]` or move this `macro_rules!` outside the of the current function `macros` [INFO] [stdout] = note: a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `Command { std: "docker" "inspect" "b5fe332970483086e64e5a1aeccbaf96b86732aa23bfeee14c7161b9ad8e86ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5fe332970483086e64e5a1aeccbaf96b86732aa23bfeee14c7161b9ad8e86ed", kill_on_drop: false }` [INFO] [stdout] b5fe332970483086e64e5a1aeccbaf96b86732aa23bfeee14c7161b9ad8e86ed