[INFO] fetching crate muid 0.1.8... [INFO] testing muid-0.1.8 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate muid 0.1.8 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate muid 0.1.8 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate muid 0.1.8 [INFO] finished tweaking crates.io crate muid 0.1.8 [INFO] tweaked toml for crates.io crate muid 0.1.8 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate muid 0.1.8 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ee8b75e18f69921d48af0eb17b90dab7f528867fd2e0d329780c3c68f848e77 [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" "1ee8b75e18f69921d48af0eb17b90dab7f528867fd2e0d329780c3c68f848e77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ee8b75e18f69921d48af0eb17b90dab7f528867fd2e0d329780c3c68f848e77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ee8b75e18f69921d48af0eb17b90dab7f528867fd2e0d329780c3c68f848e77", kill_on_drop: false }` [INFO] [stdout] 1ee8b75e18f69921d48af0eb17b90dab7f528867fd2e0d329780c3c68f848e77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b28aee84c07142b1c5dd4d4415e6b96f33575c6b2c824d77ec84ba3a9508d86d [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" "b28aee84c07142b1c5dd4d4415e6b96f33575c6b2c824d77ec84ba3a9508d86d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling hex v0.4.2 [INFO] [stderr] Compiling hex-literal v0.3.0 [INFO] [stderr] Compiling untrusted v0.7.1 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling muid v0.1.8 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `muid v0.1.8 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/muid-64643155f05421ae/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: NotPresent', build.rs:30:52 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55693a3d2f45 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55693a3d2f45 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55693a3d2f45 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55693a3d2f45 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55693a3f46cc - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55693a3d1152 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55693a3d5380 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55693a3d5380 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55693a3d5380 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55693a3d50cc - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x55693a3d59c3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x55693a3d55bb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x55693a3f3061 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x55693a3f2e83 - core::option::expect_none_failed::h972f96abb4ec8952 [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x55693a3a8af0 - core::result::Result::unwrap::haea43a796bf68a8a [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x55693a3ae10b - build_script_build::main::h97463f5c530e5fc5 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:30 [INFO] [stderr] 16: 0x55693a3a817b - std::rt::lang_start::{{closure}}::h603857d02a685284 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55693a3d5d93 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55693a3d5d93 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x55693a3d5d93 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x55693a3d5d93 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55693a3d5d93 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55693a3a8157 - std::rt::lang_start::hcc968e1f39b2e0e7 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55693a3af7ca - main [INFO] [stderr] 24: 0x7f17dffc80b3 - __libc_start_main [INFO] [stderr] 25: 0x55693a39d17e - _start [INFO] [stderr] 26: 0x0 - [INFO] running `Command { std: "docker" "inspect" "b28aee84c07142b1c5dd4d4415e6b96f33575c6b2c824d77ec84ba3a9508d86d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b28aee84c07142b1c5dd4d4415e6b96f33575c6b2c824d77ec84ba3a9508d86d", kill_on_drop: false }` [INFO] [stdout] b28aee84c07142b1c5dd4d4415e6b96f33575c6b2c824d77ec84ba3a9508d86d