[INFO] cloning repository https://github.com/viict/rmarktui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viict/rmarktui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviict%2Frmarktui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviict%2Frmarktui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bcff56a62aa7991e6c5b521322eafcf39a02458
[INFO] checking viict/rmarktui against f4dd856795debe636f2ba39a900f162f5abeb7e8 for pr-160904
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviict%2Frmarktui" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/viict/rmarktui
[INFO] finished tweaking git repo https://github.com/viict/rmarktui
[INFO] tweaked toml for git repo https://github.com/viict/rmarktui written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/viict/rmarktui on toolchain f4dd856795debe636f2ba39a900f162f5abeb7e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4dd856795debe636f2ba39a900f162f5abeb7e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/viict/rmarktui 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" "+f4dd856795debe636f2ba39a900f162f5abeb7e8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 18537e5766e1bb5c827b5a24b86969d311c7ef72a2351cb8e84bf23c8049dcfc
[INFO] running `Command { std: "docker" "start" "18537e5766e1bb5c827b5a24b86969d311c7ef72a2351cb8e84bf23c8049dcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18537e5766e1bb5c827b5a24b86969d311c7ef72a2351cb8e84bf23c8049dcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "18537e5766e1bb5c827b5a24b86969d311c7ef72a2351cb8e84bf23c8049dcfc" "/opt/rustwide/cargo-home/bin/cargo" "+f4dd856795debe636f2ba39a900f162f5abeb7e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18537e5766e1bb5c827b5a24b86969d311c7ef72a2351cb8e84bf23c8049dcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "18537e5766e1bb5c827b5a24b86969d311c7ef72a2351cb8e84bf23c8049dcfc" "/opt/rustwide/cargo-home/bin/cargo" "+f4dd856795debe636f2ba39a900f162f5abeb7e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking tread v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: suspicious definition of the runtime `read` symbol used by the standard library
[INFO] [stdout]    --> src/sys/unix.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn read(fd: c_int, buf: *mut u8, count: size_t) -> ssize_t;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(i32, *mut c_void, usize) -> isize` (for the current target)
[INFO] [stdout]             found    `unsafe extern "C" fn(i32, *mut u8, usize) -> isize`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "read")]`, or `#[link_name = "read"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout]     = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suspicious definition of the runtime `write` symbol used by the standard library
[INFO] [stdout]    --> src/sys/unix.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn write(fd: c_int, buf: *const u8, count: size_t) -> ssize_t;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(i32, *const c_void, usize) -> isize` (for the current target)
[INFO] [stdout]             found    `unsafe extern "C" fn(i32, *const u8, usize) -> isize`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "write")]`, or `#[link_name = "write"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suspicious definition of the runtime `read` symbol used by the standard library
[INFO] [stdout]    --> src/sys/unix.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn read(fd: c_int, buf: *mut u8, count: size_t) -> ssize_t;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(i32, *mut c_void, usize) -> isize` (for the current target)
[INFO] [stdout]             found    `unsafe extern "C" fn(i32, *mut u8, usize) -> isize`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "read")]`, or `#[link_name = "read"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout]     = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suspicious definition of the runtime `write` symbol used by the standard library
[INFO] [stdout]    --> src/sys/unix.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn write(fd: c_int, buf: *const u8, count: size_t) -> ssize_t;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(i32, *const c_void, usize) -> isize` (for the current target)
[INFO] [stdout]             found    `unsafe extern "C" fn(i32, *const u8, usize) -> isize`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "write")]`, or `#[link_name = "write"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "18537e5766e1bb5c827b5a24b86969d311c7ef72a2351cb8e84bf23c8049dcfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18537e5766e1bb5c827b5a24b86969d311c7ef72a2351cb8e84bf23c8049dcfc", kill_on_drop: false }`
[INFO] [stdout] 18537e5766e1bb5c827b5a24b86969d311c7ef72a2351cb8e84bf23c8049dcfc
