[INFO] fetching crate qmap-rs 0.1.0...
[INFO] testing qmap-rs-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate qmap-rs 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate qmap-rs 0.1.0
[INFO] finished tweaking crates.io crate qmap-rs 0.1.0
[INFO] tweaked toml for crates.io crate qmap-rs 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate qmap-rs 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qmap-rs 0.1.0 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" "+1.99.0-beta.8" "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-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 513a665f594cbd9f960f1fb263f1a7b3905f2fc09fe4017bf3328364cba4790e
[INFO] running `Command { std: "docker" "start" "513a665f594cbd9f960f1fb263f1a7b3905f2fc09fe4017bf3328364cba4790e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "513a665f594cbd9f960f1fb263f1a7b3905f2fc09fe4017bf3328364cba4790e", 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" "513a665f594cbd9f960f1fb263f1a7b3905f2fc09fe4017bf3328364cba4790e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "513a665f594cbd9f960f1fb263f1a7b3905f2fc09fe4017bf3328364cba4790e", 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" "513a665f594cbd9f960f1fb263f1a7b3905f2fc09fe4017bf3328364cba4790e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling qmap-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: suspicious definition of the runtime `malloc` symbol used by the standard library
[INFO] [stdout]     --> src/bindings.rs:1972:5
[INFO] [stdout]      |
[INFO] [stdout] 1972 |     pub fn malloc(__size: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected `unsafe extern "C" fn(usize) -> *mut c_void` (for the current target)
[INFO] [stdout]              found    `unsafe extern "C" fn(u64) -> *mut c_void`
[INFO] [stdout]      = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "malloc")]`, or `#[link_name = "malloc"]`
[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 `realloc` symbol used by the standard library
[INFO] [stdout]     --> src/bindings.rs:1978:5
[INFO] [stdout]      |
[INFO] [stdout] 1978 |     pub fn realloc(__ptr: *mut libc::c_void, __size: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected `unsafe extern "C" fn(*mut c_void, usize) -> *mut c_void` (for the current target)
[INFO] [stdout]              found    `unsafe extern "C" fn(*mut c_void, u64) -> *mut c_void`
[INFO] [stdout]      = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "realloc")]`, or `#[link_name = "realloc"]`
[INFO] [stdout]      = help: allow this lint if the signature is compatible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "513a665f594cbd9f960f1fb263f1a7b3905f2fc09fe4017bf3328364cba4790e", 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" "513a665f594cbd9f960f1fb263f1a7b3905f2fc09fe4017bf3328364cba4790e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: suspicious definition of the runtime `malloc` symbol used by the standard library
[INFO] [stdout]     --> src/bindings.rs:1972:5
[INFO] [stdout]      |
[INFO] [stdout] 1972 |     pub fn malloc(__size: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected `unsafe extern "C" fn(usize) -> *mut c_void` (for the current target)
[INFO] [stdout]              found    `unsafe extern "C" fn(u64) -> *mut c_void`
[INFO] [stdout]      = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "malloc")]`, or `#[link_name = "malloc"]`
[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 `realloc` symbol used by the standard library
[INFO] [stdout]     --> src/bindings.rs:1978:5
[INFO] [stdout]      |
[INFO] [stdout] 1978 |     pub fn realloc(__ptr: *mut libc::c_void, __size: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected `unsafe extern "C" fn(*mut c_void, usize) -> *mut c_void` (for the current target)
[INFO] [stdout]              found    `unsafe extern "C" fn(*mut c_void, u64) -> *mut c_void`
[INFO] [stdout]      = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "realloc")]`, or `#[link_name = "realloc"]`
[INFO] [stdout]      = help: allow this lint if the signature is compatible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qmap-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: suspicious definition of the runtime `malloc` symbol used by the standard library
[INFO] [stdout]     --> src/bindings.rs:1972:5
[INFO] [stdout]      |
[INFO] [stdout] 1972 |     pub fn malloc(__size: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected `unsafe extern "C" fn(usize) -> *mut c_void` (for the current target)
[INFO] [stdout]              found    `unsafe extern "C" fn(u64) -> *mut c_void`
[INFO] [stdout]      = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "malloc")]`, or `#[link_name = "malloc"]`
[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 `realloc` symbol used by the standard library
[INFO] [stdout]     --> src/bindings.rs:1978:5
[INFO] [stdout]      |
[INFO] [stdout] 1978 |     pub fn realloc(__ptr: *mut libc::c_void, __size: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected `unsafe extern "C" fn(*mut c_void, usize) -> *mut c_void` (for the current target)
[INFO] [stdout]              found    `unsafe extern "C" fn(*mut c_void, u64) -> *mut c_void`
[INFO] [stdout]      = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "realloc")]`, or `#[link_name = "realloc"]`
[INFO] [stdout]      = help: allow this lint if the signature is compatible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "<1 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-*.rlib" "-Wl,-Bdynamic" "-lc" "-lm" "-lrt" "-lpthread" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/release/deps/rustcmjCF7c/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/release/deps/qmap_rs-c10cd74c5f60dc47" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: qmap_get
[INFO] [stdout]           >>> referenced by qmap_rs.faa8d663bd84bc2f-cgu.0
[INFO] [stdout]           >>>               /opt/rustwide/target/release/deps/qmap_rs-c10cd74c5f60dc47.qmap_rs.faa8d663bd84bc2f-cgu.0.rcgu.o:(<qmap_rs::Qmap>::get_str)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: qmap_open
[INFO] [stdout]           >>> referenced by qmap_rs.faa8d663bd84bc2f-cgu.0
[INFO] [stdout]           >>>               /opt/rustwide/target/release/deps/qmap_rs-c10cd74c5f60dc47.qmap_rs.faa8d663bd84bc2f-cgu.0.rcgu.o:(<qmap_rs::tests::test_qmap_open_in_memory::{closure#0} as core::ops::function::FnOnce<()>>::call_once)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: qmap_put
[INFO] [stdout]           >>> referenced by qmap_rs.faa8d663bd84bc2f-cgu.0
[INFO] [stdout]           >>>               /opt/rustwide/target/release/deps/qmap_rs-c10cd74c5f60dc47.qmap_rs.faa8d663bd84bc2f-cgu.0.rcgu.o:(<qmap_rs::tests::test_qmap_open_in_memory::{closure#0} as core::ops::function::FnOnce<()>>::call_once)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: qmap_close
[INFO] [stdout]           >>> referenced by qmap_rs.faa8d663bd84bc2f-cgu.0
[INFO] [stdout]           >>>               /opt/rustwide/target/release/deps/qmap_rs-c10cd74c5f60dc47.qmap_rs.faa8d663bd84bc2f-cgu.0.rcgu.o:(<qmap_rs::tests::test_qmap_open_in_memory::{closure#0} as core::ops::function::FnOnce<()>>::call_once)
[INFO] [stdout]           >>> referenced by qmap_rs.faa8d663bd84bc2f-cgu.0
[INFO] [stdout]           >>>               /opt/rustwide/target/release/deps/qmap_rs-c10cd74c5f60dc47.qmap_rs.faa8d663bd84bc2f-cgu.0.rcgu.o:(<qmap_rs::tests::test_qmap_open_in_memory::{closure#0} as core::ops::function::FnOnce<()>>::call_once)
[INFO] [stdout]           >>> referenced by qmap_rs.faa8d663bd84bc2f-cgu.0
[INFO] [stdout]           >>>               /opt/rustwide/target/release/deps/qmap_rs-c10cd74c5f60dc47.qmap_rs.faa8d663bd84bc2f-cgu.0.rcgu.o:(<qmap_rs::tests::test_qmap_open_in_memory::{closure#0} as core::ops::function::FnOnce<()>>::call_once)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `qmap-rs` (lib test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "513a665f594cbd9f960f1fb263f1a7b3905f2fc09fe4017bf3328364cba4790e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513a665f594cbd9f960f1fb263f1a7b3905f2fc09fe4017bf3328364cba4790e", kill_on_drop: false }`
[INFO] [stdout] 513a665f594cbd9f960f1fb263f1a7b3905f2fc09fe4017bf3328364cba4790e
