[INFO] fetching crate core_collections 0.3.20170409... [INFO] checking core_collections-0.3.20170409 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] extracting crate core_collections 0.3.20170409 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate core_collections 0.3.20170409 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate core_collections 0.3.20170409 [INFO] finished tweaking crates.io crate core_collections 0.3.20170409 [INFO] tweaked toml for crates.io crate core_collections 0.3.20170409 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 68ff0e942c4e5eea702309ddf0a14b69b0787ebecb1587ec524e91deaab8b02a [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" "68ff0e942c4e5eea702309ddf0a14b69b0787ebecb1587ec524e91deaab8b02a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68ff0e942c4e5eea702309ddf0a14b69b0787ebecb1587ec524e91deaab8b02a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68ff0e942c4e5eea702309ddf0a14b69b0787ebecb1587ec524e91deaab8b02a", kill_on_drop: false }` [INFO] [stdout] 68ff0e942c4e5eea702309ddf0a14b69b0787ebecb1587ec524e91deaab8b02a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a1208bdc6301dba7d7095d0c7214eb2c8d8b9cdc47a7933281e25292326abdd [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" "5a1208bdc6301dba7d7095d0c7214eb2c8d8b9cdc47a7933281e25292326abdd", kill_on_drop: false }` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling core_collections v0.3.20170409 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `core_collections v0.3.20170409 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/core_collections-58c7c6a999ddf75e/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Unknown compiler version, upgrade core_collections?', build.rs:48:69 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55ecdef81970 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55ecdef81970 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55ecdef81970 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55ecdef81970 - ::fmt::h1a8751bf59281272 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55ecdef9f01f - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55ecdef7f6e5 - std::io::Write::write_fmt::hd7dd3a1df9b6befb [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55ecdef8373b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55ecdef8373b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55ecdef8373b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55ecdef8321d - std::panicking::default_hook::h3067e8318decd17a [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55ecdef83ced - std::panicking::rust_panic_with_hook::h81b8facc50f34daa [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55ecdef838e7 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55ecdef81e2c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55ecdef83849 - rust_begin_unwind [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55ecdef4c1b1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55ecdef4c0a3 - core::option::expect_failed::h52daa91c8ef676fe [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/option.rs:1241:5 [INFO] [stderr] 16: 0x55ecdef55e1c - core::option::Option::expect::h9775603e6a04c182 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/option.rs:349:21 [INFO] [stderr] 17: 0x55ecdef5283c - build_script_build::main::hee435ec68c91c9fd [INFO] [stderr] at /opt/rustwide/workdir/build.rs:48:4 [INFO] [stderr] 18: 0x55ecdef55bfb - core::ops::function::FnOnce::call_once::hf21872d7f16e224f [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55ecdef55ace - std::sys_common::backtrace::__rust_begin_short_backtrace::h27e5f5ff1c4e5936 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55ecdef53921 - std::rt::lang_start::{{closure}}::h859b0158870c1199 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55ecdef840ea - core::ops::function::impls:: for &F>::call_once::h3b8c329143d7638a [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55ecdef840ea - std::panicking::try::do_call::h4b72c261b4eefc1b [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55ecdef840ea - std::panicking::try::h703d31b7896cbd49 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55ecdef840ea - std::panic::catch_unwind::h37cad9b35388a915 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x55ecdef840ea - std::rt::lang_start_internal::hab5a8a909af4f90e [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55ecdef53900 - std::rt::lang_start::h6eb6dc535ed14c77 [INFO] [stderr] at /rustc/b20a093d9fb1ffaa04ae9852cb034864a992bafd/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55ecdef5314c - main [INFO] [stderr] 28: 0x7f7755d420b3 - __libc_start_main [INFO] [stderr] 29: 0x55ecdef4c8ae - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "5a1208bdc6301dba7d7095d0c7214eb2c8d8b9cdc47a7933281e25292326abdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a1208bdc6301dba7d7095d0c7214eb2c8d8b9cdc47a7933281e25292326abdd", kill_on_drop: false }` [INFO] [stdout] 5a1208bdc6301dba7d7095d0c7214eb2c8d8b9cdc47a7933281e25292326abdd