[INFO] cloning repository https://github.com/connorescajeda/filesystem---project-9 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/connorescajeda/filesystem---project-9" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorescajeda%2Ffilesystem---project-9", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorescajeda%2Ffilesystem---project-9'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2adf83c68646fd12c1656f2782dbeb065137ca4f [INFO] checking connorescajeda/filesystem---project-9 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorescajeda%2Ffilesystem---project-9" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/connorescajeda/filesystem---project-9 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/connorescajeda/filesystem---project-9 [INFO] finished tweaking git repo https://github.com/connorescajeda/filesystem---project-9 [INFO] tweaked toml for git repo https://github.com/connorescajeda/filesystem---project-9 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/connorescajeda/filesystem---project-9 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3baafe91449ee0450b43caaec3df12bfb42e740d3239d041fc8310c96677855 [INFO] running `Command { std: "docker" "start" "-a" "e3baafe91449ee0450b43caaec3df12bfb42e740d3239d041fc8310c96677855", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3baafe91449ee0450b43caaec3df12bfb42e740d3239d041fc8310c96677855", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3baafe91449ee0450b43caaec3df12bfb42e740d3239d041fc8310c96677855", kill_on_drop: false }` [INFO] [stdout] e3baafe91449ee0450b43caaec3df12bfb42e740d3239d041fc8310c96677855 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9eb8e0ce8d6b35ab8314501f1660e0873a4cf81c3eefa16aedaa8cfae302bff8 [INFO] running `Command { std: "docker" "start" "-a" "9eb8e0ce8d6b35ab8314501f1660e0873a4cf81c3eefa16aedaa8cfae302bff8", kill_on_drop: false }` [INFO] [stderr] Checking ramdisk v0.1.4 (https://github.com/gjf2a/ramdisk#da8347c3) [INFO] [stderr] Checking filesystem v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:699:25 [INFO] [stdout] | [INFO] [stdout] 699 | } else {; [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 trailing semicolon [INFO] [stdout] --> src/lib.rs:699:25 [INFO] [stdout] | [INFO] [stdout] 699 | } else {; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::num` [INFO] [stdout] --> src/lib.rs:1075:9 [INFO] [stdout] | [INFO] [stdout] 1075 | use core::num; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inode_num` is never read [INFO] [stdout] --> src/lib.rs:188:17 [INFO] [stdout] | [INFO] [stdout] 188 | let mut inode_num = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:451:21 [INFO] [stdout] | [INFO] [stdout] 451 | let mut start_block = 2; [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/lib.rs:740:13 [INFO] [stdout] | [INFO] [stdout] 740 | let mut og_file = self.open[fd]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max` [INFO] [stdout] --> src/lib.rs:814:13 [INFO] [stdout] | [INFO] [stdout] 814 | let max = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_max` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:861:22 [INFO] [stdout] | [INFO] [stdout] 861 | for (i, value) in buffer.iter().enumerate(){ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:900:17 [INFO] [stdout] | [INFO] [stdout] 900 | let mut file = file.unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buffer` [INFO] [stdout] --> src/lib.rs:941:17 [INFO] [stdout] | [INFO] [stdout] 941 | let mut buffer = [0; BLOCK_SIZE]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:941:13 [INFO] [stdout] | [INFO] [stdout] 941 | let mut buffer = [0; BLOCK_SIZE]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `break_flag` [INFO] [stdout] --> src/lib.rs:1003:17 [INFO] [stdout] | [INFO] [stdout] 1003 | let mut break_flag = false; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_break_flag` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:1003:13 [INFO] [stdout] | [INFO] [stdout] 1003 | let mut break_flag = false; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inode` is never read [INFO] [stdout] --> src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct FileInfo { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 34 | inode: Inode, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `block_buffer` is never read [INFO] [stdout] --> src/lib.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 62 | pub struct FileSystem< [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 73 | block_buffer: [u8; BLOCK_SIZE], [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileSystem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `u8` to `u8` [INFO] [stdout] --> src/lib.rs:701:31 [INFO] [stdout] | [INFO] [stdout] 701 | current = rebuilt_inode.blocks[c].into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `inode_num` is never read [INFO] [stdout] --> src/lib.rs:188:17 [INFO] [stdout] | [INFO] [stdout] 188 | let mut inode_num = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `filesystem` (lib) due to 1 previous error; 13 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:451:21 [INFO] [stdout] | [INFO] [stdout] 451 | let mut start_block = 2; [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/lib.rs:740:13 [INFO] [stdout] | [INFO] [stdout] 740 | let mut og_file = self.open[fd]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max` [INFO] [stdout] --> src/lib.rs:814:13 [INFO] [stdout] | [INFO] [stdout] 814 | let max = 0; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_max` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:861:22 [INFO] [stdout] | [INFO] [stdout] 861 | for (i, value) in buffer.iter().enumerate(){ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:900:17 [INFO] [stdout] | [INFO] [stdout] 900 | let mut file = file.unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buffer` [INFO] [stdout] --> src/lib.rs:941:17 [INFO] [stdout] | [INFO] [stdout] 941 | let mut buffer = [0; BLOCK_SIZE]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:941:13 [INFO] [stdout] | [INFO] [stdout] 941 | let mut buffer = [0; BLOCK_SIZE]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `break_flag` [INFO] [stdout] --> src/lib.rs:1003:17 [INFO] [stdout] | [INFO] [stdout] 1003 | let mut break_flag = false; [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_break_flag` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:1003:13 [INFO] [stdout] | [INFO] [stdout] 1003 | let mut break_flag = false; [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inode` is never read [INFO] [stdout] --> src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct FileInfo { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 34 | inode: Inode, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `block_buffer` is never read [INFO] [stdout] --> src/lib.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 62 | pub struct FileSystem< [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 73 | block_buffer: [u8; BLOCK_SIZE], [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FileSystem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this conversion is useless `u8` to `u8` [INFO] [stdout] --> src/lib.rs:701:31 [INFO] [stdout] | [INFO] [stdout] 701 | current = rebuilt_inode.blocks[c].into(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `filesystem` (lib test) due to 1 previous error; 14 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9eb8e0ce8d6b35ab8314501f1660e0873a4cf81c3eefa16aedaa8cfae302bff8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9eb8e0ce8d6b35ab8314501f1660e0873a4cf81c3eefa16aedaa8cfae302bff8", kill_on_drop: false }` [INFO] [stdout] 9eb8e0ce8d6b35ab8314501f1660e0873a4cf81c3eefa16aedaa8cfae302bff8