[INFO] fetching crate quantydb-sys 0.4.0...
[INFO] testing quantydb-sys-0.4.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate quantydb-sys 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate quantydb-sys 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate quantydb-sys 0.4.0
[INFO] tweaked toml for crates.io crate quantydb-sys 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quantydb-sys 0.4.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate quantydb-sys 0.4.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b
[INFO] running `Command { std: "docker" "start" "74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b", 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" "74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quantydb-sys v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: suspicious definition of the runtime `read` symbol used by the standard library
[INFO] [stdout]   --> src/linux.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn read(fd: i32, buf: *mut u8, count: usize) -> isize;
[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/linux.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn write(fd: i32, buf: *const u8, count: usize) -> isize;
[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 0.22s
[INFO] running `Command { std: "docker" "inspect" "74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quantydb-sys v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: suspicious definition of the runtime `read` symbol used by the standard library
[INFO] [stdout]   --> src/linux.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn read(fd: i32, buf: *mut u8, count: usize) -> isize;
[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/linux.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn write(fd: i32, buf: *const u8, count: usize) -> isize;
[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/linux.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn read(fd: i32, buf: *mut u8, count: usize) -> isize;
[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/linux.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn write(fd: i32, buf: *const u8, count: usize) -> isize;
[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 `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: suspicious definition of the runtime `read` symbol used by the standard library
[INFO] [stderr]   --> src/linux.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn read(fd: i32, buf: *mut u8, count: usize) -> isize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected `unsafe extern "C" fn(i32, *mut c_void, usize) -> isize` (for the current target)
[INFO] [stderr]            found    `unsafe extern "C" fn(i32, *mut u8, usize) -> isize`
[INFO] [stderr]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "read")]`, or `#[link_name = "read"]`
[INFO] [stderr]    = help: allow this lint if the signature is compatible
[INFO] [stderr]    = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: suspicious definition of the runtime `write` symbol used by the standard library
[INFO] [stderr]   --> src/linux.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn write(fd: i32, buf: *const u8, count: usize) -> isize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected `unsafe extern "C" fn(i32, *const c_void, usize) -> isize` (for the current target)
[INFO] [stderr]            found    `unsafe extern "C" fn(i32, *const u8, usize) -> isize`
[INFO] [stderr]    = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "write")]`, or `#[link_name = "write"]`
[INFO] [stderr]    = help: allow this lint if the signature is compatible
[INFO] [stderr] 
[INFO] [stderr] warning: `quantydb-sys` (lib) generated 2 warnings
[INFO] [stderr] warning: `quantydb-sys` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/quantydb-sys/0fd06552ee330c9a/out/quantydb_sys-0fd06552ee330c9a)
[INFO] [stderr]      Running tests/random.rs (/opt/rustwide/target/debug/build/quantydb-sys/403220e3935890e3/out/random-403220e3935890e3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test it_answers_on_this_platform ... ok
[INFO] [stdout] test two_draws_differ ... ok
[INFO] [stdout] test a_long_draw_is_not_left_half_done ... ok
[INFO] [stderr]    Doc-tests quantydb_sys
[INFO] [stdout] test it_fills_exactly_what_it_was_given ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b", kill_on_drop: false }`
[INFO] [stdout] 74c1d28435d593aaf8cdf7131358b0217f11a608201c7cf337d0b34d8f07143b
