[INFO] cloning repository https://github.com/rust-lang/libc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang/libc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Flibc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Flibc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] add972649f03a75255dd2bbc5789a1d501beb2e9
[INFO] checking rust-lang/libc against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang%2Flibc" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang/libc on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-lang/libc
[INFO] finished tweaking git repo https://github.com/rust-lang/libc
[INFO] tweaked toml for git repo https://github.com/rust-lang/libc written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", 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] 1d428ce15d32b84eeb799245442c02b2ec9394c544ffe5337d47a9db5555d586
[INFO] running `Command { std: "docker" "start" "-a" "1d428ce15d32b84eeb799245442c02b2ec9394c544ffe5337d47a9db5555d586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d428ce15d32b84eeb799245442c02b2ec9394c544ffe5337d47a9db5555d586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d428ce15d32b84eeb799245442c02b2ec9394c544ffe5337d47a9db5555d586", kill_on_drop: false }`
[INFO] [stdout] 1d428ce15d32b84eeb799245442c02b2ec9394c544ffe5337d47a9db5555d586
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ee28f2a4d39e306d24e5863cfbad6cae458cad73c9fb70098263450cec0ff73
[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" "0ee28f2a4d39e306d24e5863cfbad6cae458cad73c9fb70098263450cec0ff73", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.86 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling garando_pos v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.63
[INFO] [stderr]    Compiling garando_errors v0.1.0
[INFO] [stderr]    Compiling garando_syntax v0.1.0
[INFO] [stderr]    Compiling ctest2 v0.4.0
[INFO] [stderr]    Compiling libc-test v0.1.0 (/opt/rustwide/workdir/libc-test)
[INFO] [stderr] warning: /opt/rustwide/target/debug/build/libc-test-9e32e4399436bfaa/out/main.c: In function '__test_roundtrip_inotify_event':
[INFO] [stderr] warning: /opt/rustwide/target/debug/build/libc-test-9e32e4399436bfaa/out/main.c:21791:13: note: the ABI of passing struct with a flexible array member has changed in GCC 4.4
[INFO] [stderr] warning: 21791 |             ) {
[INFO] [stderr] warning:       |             ^
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 45s
[INFO] running `Command { std: "docker" "inspect" "0ee28f2a4d39e306d24e5863cfbad6cae458cad73c9fb70098263450cec0ff73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee28f2a4d39e306d24e5863cfbad6cae458cad73c9fb70098263450cec0ff73", kill_on_drop: false }`
[INFO] [stdout] 0ee28f2a4d39e306d24e5863cfbad6cae458cad73c9fb70098263450cec0ff73