[INFO] cloning repository https://github.com/steveklabnik/rust_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steveklabnik/rust_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Frust_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Frust_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 74f81c2f8717f643e341de8b9e4feeb32f913cfa [INFO] checking steveklabnik/rust_test against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Frust_test" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/steveklabnik/rust_test on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1/source/.cargo/config [INFO] started tweaking git repo https://github.com/steveklabnik/rust_test [INFO] finished tweaking git repo https://github.com/steveklabnik/rust_test [INFO] tweaked toml for git repo https://github.com/steveklabnik/rust_test written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/steveklabnik/rust_test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a427dd16fbd5c5c67adc0f9b7a3d94ce5f17cbe978807298282391b277a25086 [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" "a427dd16fbd5c5c67adc0f9b7a3d94ce5f17cbe978807298282391b277a25086", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a427dd16fbd5c5c67adc0f9b7a3d94ce5f17cbe978807298282391b277a25086", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a427dd16fbd5c5c67adc0f9b7a3d94ce5f17cbe978807298282391b277a25086", kill_on_drop: false }` [INFO] [stdout] a427dd16fbd5c5c67adc0f9b7a3d94ce5f17cbe978807298282391b277a25086 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ac5b075ea629ef37b3682f109c931c83b8c2afef8f54acbf84ed7532a2743b1b [INFO] running `Command { std: "docker" "start" "-a" "ac5b075ea629ef37b3682f109c931c83b8c2afef8f54acbf84ed7532a2743b1b", kill_on_drop: false }` [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking mmap v0.1.1 [INFO] [stderr] Checking rust_blink v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ptr` [INFO] [stdout] --> src/fpga_awg.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ptr; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SeekFrom`, `Seek` [INFO] [stdout] --> src/fpga_awg.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Write, SeekFrom, Seek}; [INFO] [stdout] | ^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `fpga_awg` should have an upper camel case name [INFO] [stdout] --> src/fpga_awg.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct fpga_awg { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `FpgaAwg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/main.rs:13:15 [INFO] [stdout] | [INFO] [stdout] 13 | while (true) { [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | while (true) { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr` [INFO] [stdout] --> src/fpga_awg.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ptr; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SeekFrom`, `Seek` [INFO] [stdout] --> src/fpga_awg.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Write, SeekFrom, Seek}; [INFO] [stdout] | ^^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `fpga_awg` should have an upper camel case name [INFO] [stdout] --> src/fpga_awg.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct fpga_awg { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `FpgaAwg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/main.rs:13:15 [INFO] [stdout] | [INFO] [stdout] 13 | while (true) { [INFO] [stdout] | ^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | while (true) { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep` [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | thread::sleep_ms(arg1.parse::().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/fpga_awg.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Write, SeekFrom, Seek}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep` [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | thread::sleep_ms(arg1.parse::().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fpga_awg.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | let mut f = fs::OpenOptions::new().read(true) [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 is never read: `mmap` [INFO] [stdout] --> src/fpga_awg.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | mmap: MemoryMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/fpga_awg.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{Write, SeekFrom, Seek}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/fpga_awg.rs:17:7 [INFO] [stdout] | [INFO] [stdout] 17 | let mut f = fs::OpenOptions::new().read(true) [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 is never read: `mmap` [INFO] [stdout] --> src/fpga_awg.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | mmap: MemoryMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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] Finished dev [unoptimized + debuginfo] target(s) in 2.08s [INFO] running `Command { std: "docker" "inspect" "ac5b075ea629ef37b3682f109c931c83b8c2afef8f54acbf84ed7532a2743b1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac5b075ea629ef37b3682f109c931c83b8c2afef8f54acbf84ed7532a2743b1b", kill_on_drop: false }` [INFO] [stdout] ac5b075ea629ef37b3682f109c931c83b8c2afef8f54acbf84ed7532a2743b1b