[INFO] fetching crate cargo-asm 0.1.16... [INFO] checking cargo-asm-0.1.16 against beta for pr-78714 [INFO] extracting crate cargo-asm 0.1.16 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate cargo-asm 0.1.16 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate cargo-asm 0.1.16 [INFO] finished tweaking crates.io crate cargo-asm 0.1.16 [INFO] tweaked toml for crates.io crate cargo-asm 0.1.16 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-6/source/src/main.rs [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eec106493091ca10b319083ceeff529312487c4a4194269fc812a4e6c74ddc8b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "eec106493091ca10b319083ceeff529312487c4a4194269fc812a4e6c74ddc8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eec106493091ca10b319083ceeff529312487c4a4194269fc812a4e6c74ddc8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eec106493091ca10b319083ceeff529312487c4a4194269fc812a4e6c74ddc8b", kill_on_drop: false }` [INFO] [stdout] eec106493091ca10b319083ceeff529312487c4a4194269fc812a4e6c74ddc8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f8e4b3f4a16f49ff20a3b02ff182f65c0b0a96afe19309bf179e1f88256c77f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8f8e4b3f4a16f49ff20a3b02ff182f65c0b0a96afe19309bf179e1f88256c77f", kill_on_drop: false }` [INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling bytecount v0.6.0 [INFO] [stderr] Checking environment v0.1.1 [INFO] [stderr] Checking difference v1.0.0 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.5.5 [INFO] [stderr] Checking cargo-asm v0.1.16 (/opt/rustwide/workdir) [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/llvmir.rs:7:42 [INFO] [stdout] | [INFO] [stdout] 7 | debug!("Scanning file: {:?}", f);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/options.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | { ::parking_lot::RwLock::new(read()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:84:49 [INFO] [stdout] | [INFO] [stdout] 84 | debug!("Done inserting files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:104:55 [INFO] [stdout] | [INFO] [stdout] 104 | debug!("Done filing holes in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:109:59 [INFO] [stdout] | [INFO] [stdout] 109 | debug!("Done correcting paths in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:129:56 [INFO] [stdout] | [INFO] [stdout] 129 | debug!("Done reading lines in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:80:42 [INFO] [stdout] | [INFO] [stdout] 80 | debug!("files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/llvmir.rs:7:42 [INFO] [stdout] | [INFO] [stdout] 7 | debug!("Scanning file: {:?}", f);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/options.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | { ::parking_lot::RwLock::new(read()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:84:49 [INFO] [stdout] | [INFO] [stdout] 84 | debug!("Done inserting files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:104:55 [INFO] [stdout] | [INFO] [stdout] 104 | debug!("Done filing holes in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:109:59 [INFO] [stdout] | [INFO] [stdout] 109 | debug!("Done correcting paths in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:129:56 [INFO] [stdout] | [INFO] [stdout] 129 | debug!("Done reading lines in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:80:42 [INFO] [stdout] | [INFO] [stdout] 80 | debug!("files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rust.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let mut prev = 0; [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/rust.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let mut prev = 0; [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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling cargo_metadata v0.10.0 [INFO] [stderr] Compiling skeptic v0.13.5 [INFO] [stderr] Compiling assert_cli v0.5.4 [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/llvmir.rs:7:42 [INFO] [stdout] | [INFO] [stdout] 7 | debug!("Scanning file: {:?}", f);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/options.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | { ::parking_lot::RwLock::new(read()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:84:49 [INFO] [stdout] | [INFO] [stdout] 84 | debug!("Done inserting files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:104:55 [INFO] [stdout] | [INFO] [stdout] 104 | debug!("Done filing holes in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:109:59 [INFO] [stdout] | [INFO] [stdout] 109 | debug!("Done correcting paths in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:129:56 [INFO] [stdout] | [INFO] [stdout] 129 | debug!("Done reading lines in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:80:42 [INFO] [stdout] | [INFO] [stdout] 80 | debug!("files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/llvmir.rs:7:42 [INFO] [stdout] | [INFO] [stdout] 7 | debug!("Scanning file: {:?}", f);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/options.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | { ::parking_lot::RwLock::new(read()) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:84:49 [INFO] [stdout] | [INFO] [stdout] 84 | debug!("Done inserting files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:104:55 [INFO] [stdout] | [INFO] [stdout] 104 | debug!("Done filing holes in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:109:59 [INFO] [stdout] | [INFO] [stdout] 109 | debug!("Done correcting paths in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:129:56 [INFO] [stdout] | [INFO] [stdout] 129 | debug!("Done reading lines in files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/rust.rs:80:42 [INFO] [stdout] | [INFO] [stdout] 80 | debug!("files: {:?}", files);; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rust.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let mut prev = 0; [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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/rust.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let mut prev = 0; [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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.40s [INFO] running `Command { std: "docker" "inspect" "8f8e4b3f4a16f49ff20a3b02ff182f65c0b0a96afe19309bf179e1f88256c77f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f8e4b3f4a16f49ff20a3b02ff182f65c0b0a96afe19309bf179e1f88256c77f", kill_on_drop: false }` [INFO] [stdout] 8f8e4b3f4a16f49ff20a3b02ff182f65c0b0a96afe19309bf179e1f88256c77f