[INFO] crate core_rustc-serialize 0.3.20-v0.3.19patch1 is already in cache [INFO] checking core_rustc-serialize-0.3.20-v0.3.19patch1 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315 [INFO] extracting crate core_rustc-serialize 0.3.20-v0.3.19patch1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate core_rustc-serialize 0.3.20-v0.3.19patch1 on toolchain c724b67e1b474262917a5154d74e7072267593fe [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate core_rustc-serialize 0.3.20-v0.3.19patch1 [INFO] finished tweaking crates.io crate core_rustc-serialize 0.3.20-v0.3.19patch1 [INFO] tweaked toml for crates.io crate core_rustc-serialize 0.3.20-v0.3.19patch1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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] 3b3d76a2e36226349e5a91b98b1497d28f35bc37864673d29490c76955de0923 [INFO] running `Command { std: "docker" "start" "-a" "3b3d76a2e36226349e5a91b98b1497d28f35bc37864673d29490c76955de0923", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b3d76a2e36226349e5a91b98b1497d28f35bc37864673d29490c76955de0923", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b3d76a2e36226349e5a91b98b1497d28f35bc37864673d29490c76955de0923", kill_on_drop: false }` [INFO] [stdout] 3b3d76a2e36226349e5a91b98b1497d28f35bc37864673d29490c76955de0923 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d734f27b0d009f3b3512e25d9568b7482ab9594e4380c38a92b96b2a89d3f3c [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" "2d734f27b0d009f3b3512e25d9568b7482ab9594e4380c38a92b96b2a89d3f3c", kill_on_drop: false }` [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling core_collections v0.3.20170409 [INFO] [stderr] error: failed to run custom build command for `core_collections v0.3.20170409` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/core_collections-639bd1f9feef86ff/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Unknown compiler version, upgrade core_collections?', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_collections-0.3.20170409/build.rs:48:69 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56257ba6fe25 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x56257ba6fe25 - backtrace::backtrace::trace_unsynchronized::hc29c6e6df26d44d7 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56257ba6fe25 - std::sys_common::backtrace::_print_fmt::h4c9f4993b039bd03 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x56257ba6fe25 - ::fmt::h91f5cfffa0da5a7a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x56257ba9168c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x56257ba6d492 - std::io::Write::write_fmt::h5e28da8ce574bfe8 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x56257ba72280 - std::sys_common::backtrace::_print::h0ceef71d03fb70bc [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x56257ba72280 - std::sys_common::backtrace::print::h1bacb65357a70fca [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x56257ba72280 - std::panicking::default_hook::{{closure}}::h249639eade443064 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x56257ba71fcc - std::panicking::default_hook::hbe64ddeb621910df [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x56257ba728c3 - std::panicking::rust_panic_with_hook::h16376479909ace6a [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x56257ba724bb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x56257ba90a91 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x56257ba90823 - core::option::expect_failed::hfc0519cb1ecb957f [INFO] [stderr] at src/libcore/option.rs:1261 [INFO] [stderr] 14: 0x56257ba495a1 - core::option::Option::expect::h20c3ed8065c72438 [INFO] [stderr] at /rustc/c724b67e1b474262917a5154d74e7072267593fe/src/libcore/option.rs:344 [INFO] [stderr] 15: 0x56257ba48282 - build_script_build::main::hbfe491a5548b4317 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_collections-0.3.20170409/build.rs:48 [INFO] [stderr] 16: 0x56257ba4c20b - std::rt::lang_start::{{closure}}::h06099a2b5d80b27f [INFO] [stderr] at /rustc/c724b67e1b474262917a5154d74e7072267593fe/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x56257ba72c93 - std::rt::lang_start_internal::{{closure}}::h6d7ca43fc52cff4a [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x56257ba72c93 - std::panicking::try::do_call::h89610ba8f4fbfe54 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x56257ba72c93 - std::panicking::try::h69595087e4498dc2 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x56257ba72c93 - std::panic::catch_unwind::ha2aa2ebd78a46e0d [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x56257ba72c93 - std::rt::lang_start_internal::h2ae59503bb8c048c [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x56257ba4c1e7 - std::rt::lang_start::h9065efc23c471cf2 [INFO] [stderr] at /rustc/c724b67e1b474262917a5154d74e7072267593fe/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x56257ba48aaa - main [INFO] [stderr] 24: 0x7f1153c560b3 - __libc_start_main [INFO] [stderr] 25: 0x56257ba4217e - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "2d734f27b0d009f3b3512e25d9568b7482ab9594e4380c38a92b96b2a89d3f3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d734f27b0d009f3b3512e25d9568b7482ab9594e4380c38a92b96b2a89d3f3c", kill_on_drop: false }` [INFO] [stdout] 2d734f27b0d009f3b3512e25d9568b7482ab9594e4380c38a92b96b2a89d3f3c