[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] testing MathiasKoch/rust-fatfs-issue against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasKoch%2Frust-fatfs-issue" "/workspace/builds/worker-85/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-85/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MathiasKoch/rust-fatfs-issue on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-85/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-85/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rafalh/rust-fatfs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded libc-print v0.1.17
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.104
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a21ee4594098621ce64ea7093e0b5de901b6e2282394b5c1bb19811194ebad0
[INFO] running `Command { std: "docker" "start" "-a" "2a21ee4594098621ce64ea7093e0b5de901b6e2282394b5c1bb19811194ebad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a21ee4594098621ce64ea7093e0b5de901b6e2282394b5c1bb19811194ebad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a21ee4594098621ce64ea7093e0b5de901b6e2282394b5c1bb19811194ebad0", kill_on_drop: false }`
[INFO] [stdout] 2a21ee4594098621ce64ea7093e0b5de901b6e2282394b5c1bb19811194ebad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ce141a9016613704407e6eea83d0bf626f2114c6e71339ec066904937c6795b
[INFO] running `Command { std: "docker" "start" "-a" "4ce141a9016613704407e6eea83d0bf626f2114c6e71339ec066904937c6795b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling embedded-storage v0.2.0
[INFO] [stderr]    Compiling fatfs v0.4.0 (https://github.com/rafalh/rust-fatfs#48d428db)
[INFO] [stderr]    Compiling libc-print v0.1.17
[INFO] [stderr]    Compiling fatfs-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lang_items, start, libc, core_intrinsics, rustc_private)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fatfs-test` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4ce141a9016613704407e6eea83d0bf626f2114c6e71339ec066904937c6795b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce141a9016613704407e6eea83d0bf626f2114c6e71339ec066904937c6795b", kill_on_drop: false }`
[INFO] [stdout] 4ce141a9016613704407e6eea83d0bf626f2114c6e71339ec066904937c6795b