[INFO] cloning repository https://github.com/ioncodes/memory_stuff [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ioncodes/memory_stuff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Fmemory_stuff", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Fmemory_stuff'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3e62297a2491714400749b7d3c04e82ef4568a8a [INFO] checking ioncodes/memory_stuff against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioncodes%2Fmemory_stuff" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ioncodes/memory_stuff on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ioncodes/memory_stuff [INFO] finished tweaking git repo https://github.com/ioncodes/memory_stuff [INFO] tweaked toml for git repo https://github.com/ioncodes/memory_stuff written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ioncodes/memory_stuff 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded aligned_alloc v0.1.3 [INFO] [stderr] Downloaded region v0.1.1 [INFO] [stderr] Downloaded errno v0.2.3 [INFO] [stderr] Downloaded mach v0.1.1 [INFO] [stderr] Downloaded winapi v0.3.3 [INFO] [stderr] Downloaded winapi-i686-pc-windows-gnu v0.3.2 [INFO] [stderr] Downloaded winapi-x86_64-pc-windows-gnu v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e62be89eb4caa01f9de9b565e0e7811e31a367e6b643b80671fd56871506b48c [INFO] running `Command { std: "docker" "start" "-a" "e62be89eb4caa01f9de9b565e0e7811e31a367e6b643b80671fd56871506b48c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e62be89eb4caa01f9de9b565e0e7811e31a367e6b643b80671fd56871506b48c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e62be89eb4caa01f9de9b565e0e7811e31a367e6b643b80671fd56871506b48c", kill_on_drop: false }` [INFO] [stdout] e62be89eb4caa01f9de9b565e0e7811e31a367e6b643b80671fd56871506b48c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c6f965d5151becf12c268808bde914de87cd8178dc78a9c86282dbccbe9dfcf [INFO] running `Command { std: "docker" "start" "-a" "3c6f965d5151becf12c268808bde914de87cd8178dc78a9c86282dbccbe9dfcf", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking rustc-demangle v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking errno v0.2.3 [INFO] [stderr] Checking aligned_alloc v0.1.3 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Checking region v0.1.1 [INFO] [stderr] Checking memory_stuff v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/memory.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `aligned_alloc` is imported redundantly [INFO] [stdout] --> src/memory.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use aligned_alloc; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate aligned_alloc; [INFO] [stdout] | --------------------------- the item `aligned_alloc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/memory.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `aligned_alloc` is imported redundantly [INFO] [stdout] --> src/memory.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use aligned_alloc; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate aligned_alloc; [INFO] [stdout] | --------------------------- the item `aligned_alloc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/memory.rs:88:19 [INFO] [stdout] | [INFO] [stdout] 88 | let func: (fn() -> usize); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 88 - let func: (fn() -> usize); [INFO] [stdout] 88 + let func: fn() -> usize; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/memory.rs:88:19 [INFO] [stdout] | [INFO] [stdout] 88 | let func: (fn() -> usize); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 88 - let func: (fn() -> usize); [INFO] [stdout] 88 + let func: fn() -> usize; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memory.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut ptr: *mut libc::c_void; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/memory.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let mut ptr: *mut libc::c_void; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/memory.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Memory { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 14 | contents: *mut u8, [INFO] [stdout] 15 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `fill` and `reset` are never used [INFO] [stdout] --> src/memory.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Memory { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn fill(&mut self, asm: u8) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn reset(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/memory.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Memory { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 14 | contents: *mut u8, [INFO] [stdout] 15 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `fill` and `reset` are never used [INFO] [stdout] --> src/memory.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl Memory { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn fill(&mut self, asm: u8) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn reset(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.61s [INFO] running `Command { std: "docker" "inspect" "3c6f965d5151becf12c268808bde914de87cd8178dc78a9c86282dbccbe9dfcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c6f965d5151becf12c268808bde914de87cd8178dc78a9c86282dbccbe9dfcf", kill_on_drop: false }` [INFO] [stdout] 3c6f965d5151becf12c268808bde914de87cd8178dc78a9c86282dbccbe9dfcf