[INFO] cloning repository https://github.com/MathiasKoch/rust-fatfs-issue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MathiasKoch/rust-fatfs-issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasKoch%2Frust-fatfs-issue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasKoch%2Frust-fatfs-issue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3f03f807e7e1bf0ab0719db6eb5bb39731b649c
[INFO] checking MathiasKoch/rust-fatfs-issue against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasKoch%2Frust-fatfs-issue" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MathiasKoch/rust-fatfs-issue on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/MathiasKoch/rust-fatfs-issue
[INFO] finished tweaking git repo https://github.com/MathiasKoch/rust-fatfs-issue
[INFO] tweaked toml for git repo https://github.com/MathiasKoch/rust-fatfs-issue written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/MathiasKoch/rust-fatfs-issue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc-print v0.1.17
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f299b70f17e9fea6231844b6fc7908c672d773d5e249b1298c5b80576907efe9
[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" "f299b70f17e9fea6231844b6fc7908c672d773d5e249b1298c5b80576907efe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f299b70f17e9fea6231844b6fc7908c672d773d5e249b1298c5b80576907efe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f299b70f17e9fea6231844b6fc7908c672d773d5e249b1298c5b80576907efe9", kill_on_drop: false }`
[INFO] [stdout] f299b70f17e9fea6231844b6fc7908c672d773d5e249b1298c5b80576907efe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f54ca6f131e05ced37d20de51d007c2fbf0b7f5a5420818fcb030b3df410c633
[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" "f54ca6f131e05ced37d20de51d007c2fbf0b7f5a5420818fcb030b3df410c633", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]     Checking fatfs v0.4.0 (https://github.com/rafalh/rust-fatfs#48d428db)
[INFO] [stderr]     Checking libc-print v0.1.17
[INFO] [stderr]     Checking fatfs-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `libc_print`
[INFO] [stdout]   --> src/main.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | use libc_print::{libc_print, libc_println};
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `info`, `trace`
[INFO] [stdout]   --> src/main.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use log::{debug, error, info, trace, LevelFilter};
[INFO] [stdout]    |           ^^^^^         ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::flash::MEMORY_SIZE`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::flash::MEMORY_SIZE;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]    --> src/main.rs:150:23
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn enabled(&self, metadata: &Metadata<'_>) -> bool {
[INFO] [stdout]     |                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc_print`
[INFO] [stdout]   --> src/main.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 | use libc_print::{libc_print, libc_println};
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `info`, `trace`
[INFO] [stdout]   --> src/main.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use log::{debug, error, info, trace, LevelFilter};
[INFO] [stdout]    |           ^^^^^         ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::flash::MEMORY_SIZE`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::flash::MEMORY_SIZE;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]    --> src/main.rs:166:1
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]     = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/936f2600b6c903b04387f74ed5cbce88bb06d243/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib
[INFO] [stdout]     = note: second definition in the local crate (`fatfs_test`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let mut fs = FileSystem::new(fat_io, FsOptions::new()).unwrap();
[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: constant is never used: `PAGES_PER_BLOCK`
[INFO] [stdout]   --> src/flash.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const PAGES_PER_BLOCK: u32 = PAGES_PER_SECTOR * SECTORS_PER_BLOCK;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PAGES_PER_HALFBLOCK`
[INFO] [stdout]   --> src/flash.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | const PAGES_PER_HALFBLOCK: u32 = PAGES_PER_SECTOR * HALFBLOCKS_PER_BLOCK;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NUMBER_OF_PAGES`
[INFO] [stdout]   --> src/flash.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | const NUMBER_OF_PAGES: u32 = NUMBER_OF_SECTORS * PAGES_PER_SECTOR;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pages`
[INFO] [stdout]   --> src/flash.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn pages() -> impl Iterator<Item = Page> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/flash.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub const fn size() -> usize {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sectors`
[INFO] [stdout]   --> src/flash.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn sectors(&self) -> impl Iterator<Item = Sector> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `halfblocks`
[INFO] [stdout]   --> src/flash.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn halfblocks(&self) -> impl Iterator<Item = HalfBlock> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pages`
[INFO] [stdout]   --> src/flash.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn pages(&self) -> impl Iterator<Item = Page> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end`
[INFO] [stdout]   --> src/flash.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn end(&self) -> u32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sectors`
[INFO] [stdout]   --> src/flash.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn sectors(&self) -> impl Iterator<Item = Sector> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pages`
[INFO] [stdout]   --> src/flash.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn pages(&self) -> impl Iterator<Item = Page> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end`
[INFO] [stdout]   --> src/flash.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn end(&self) -> u32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pages`
[INFO] [stdout]    --> src/flash.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn pages(&self) -> impl Iterator<Item = Page> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end`
[INFO] [stdout]    --> src/flash.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn end(&self) -> u32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]    --> src/flash.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn start(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end`
[INFO] [stdout]    --> src/flash.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn end(&self) -> u32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]    --> src/flash.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub fn at(address: u32) -> Option<Self> {
[INFO] [stdout]     |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]    --> src/flash.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub const fn size() -> usize {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fatfs-test` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f54ca6f131e05ced37d20de51d007c2fbf0b7f5a5420818fcb030b3df410c633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54ca6f131e05ced37d20de51d007c2fbf0b7f5a5420818fcb030b3df410c633", kill_on_drop: false }`
[INFO] [stdout] f54ca6f131e05ced37d20de51d007c2fbf0b7f5a5420818fcb030b3df410c633