[INFO] fetching crate ld_preload 0.1.2...
[INFO] testing ld_preload-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate ld_preload 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ld_preload 0.1.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ld_preload 0.1.2
[INFO] finished tweaking crates.io crate ld_preload 0.1.2
[INFO] tweaked toml for crates.io crate ld_preload 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cc506e6053b7be19c965426cb82afe6716edd2fa60baea013d48b0aff6febd9
[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" "8cc506e6053b7be19c965426cb82afe6716edd2fa60baea013d48b0aff6febd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cc506e6053b7be19c965426cb82afe6716edd2fa60baea013d48b0aff6febd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc506e6053b7be19c965426cb82afe6716edd2fa60baea013d48b0aff6febd9", kill_on_drop: false }`
[INFO] [stdout] 8cc506e6053b7be19c965426cb82afe6716edd2fa60baea013d48b0aff6febd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1d069ca459c12faacdd363e1ab141d39b0695abb542b74e222c9081230c0fcb
[INFO] running `Command { std: "docker" "start" "-a" "c1d069ca459c12faacdd363e1ab141d39b0695abb542b74e222c9081230c0fcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling ld_preload v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "c1d069ca459c12faacdd363e1ab141d39b0695abb542b74e222c9081230c0fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d069ca459c12faacdd363e1ab141d39b0695abb542b74e222c9081230c0fcb", kill_on_drop: false }`
[INFO] [stdout] c1d069ca459c12faacdd363e1ab141d39b0695abb542b74e222c9081230c0fcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5a273df54564b23f5c5303a8c906955884fe26d1f0889ab2187f5410738dedc
[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" "f5a273df54564b23f5c5303a8c906955884fe26d1f0889ab2187f5410738dedc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ld_preload v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "f5a273df54564b23f5c5303a8c906955884fe26d1f0889ab2187f5410738dedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a273df54564b23f5c5303a8c906955884fe26d1f0889ab2187f5410738dedc", kill_on_drop: false }`
[INFO] [stdout] f5a273df54564b23f5c5303a8c906955884fe26d1f0889ab2187f5410738dedc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7499f522ab41fe72b844ca67e13ba5d97f0e33a17e6145b2f88447e06064fa80
[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" "7499f522ab41fe72b844ca67e13ba5d97f0e33a17e6145b2f88447e06064fa80", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ld_preload-3b7157fa04e193db)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests ld_preload
[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] [stderr] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / /// Allows to overwrite functions which are defined within C.
[INFO] [stderr] 12 | | ///
[INFO] [stderr] 13 | | /// Example (fakeroot):
[INFO] [stderr] 14 | | /// ```rust,norun
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | | /// }
[INFO] [stderr] 21 | | /// ```
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(rustdoc::invalid_codeblock_attributes)]` on by default
[INFO] [stderr]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ld_preload_function (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ld_preload_function (line 14) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `libc`
[INFO] [stdout]  --> src/lib.rs:15:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use libc::uid_t;
[INFO] [stdout]   |     ^^^^ maybe a missing crate `libc`?
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `ld_preload_function` in this scope
[INFO] [stdout]  --> src/lib.rs:16:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | ld_preload_function! {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider importing this macro:
[INFO] [stdout]           ld_preload::ld_preload_function
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - ld_preload_function (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "7499f522ab41fe72b844ca67e13ba5d97f0e33a17e6145b2f88447e06064fa80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7499f522ab41fe72b844ca67e13ba5d97f0e33a17e6145b2f88447e06064fa80", kill_on_drop: false }`
[INFO] [stdout] 7499f522ab41fe72b844ca67e13ba5d97f0e33a17e6145b2f88447e06064fa80