[INFO] fetching crate core_rustc-serialize 0.3.20-v0.3.19patch1... [INFO] checking core_rustc-serialize-0.3.20-v0.3.19patch1 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387 [INFO] extracting crate core_rustc-serialize 0.3.20-v0.3.19patch1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate core_rustc-serialize 0.3.20-v0.3.19patch1 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9327c9f3c535a023edc9610f767400e35b2d8e22ee0671e6513059c5a950fcc [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" "d9327c9f3c535a023edc9610f767400e35b2d8e22ee0671e6513059c5a950fcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9327c9f3c535a023edc9610f767400e35b2d8e22ee0671e6513059c5a950fcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9327c9f3c535a023edc9610f767400e35b2d8e22ee0671e6513059c5a950fcc", kill_on_drop: false }` [INFO] [stdout] d9327c9f3c535a023edc9610f767400e35b2d8e22ee0671e6513059c5a950fcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da2297f8cdf09eb95cf550bac77f79d5f259a816356fe5d5a5573a112683e84f [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" "da2297f8cdf09eb95cf550bac77f79d5f259a816356fe5d5a5573a112683e84f", kill_on_drop: false }` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling core_collections v0.3.20170409 [INFO] [stderr] Checking rand v0.3.23 [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-c53f0fdcc0d963ab/build-script-build` (exit status: 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: 0x55ca3c7658d0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55ca3c7658d0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55ca3c7658d0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55ca3c7658d0 - ::fmt::h767e17e1aa7df6a8 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55ca3c7831af - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55ca3c763645 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55ca3c7676ab - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55ca3c7676ab - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55ca3c7676ab - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55ca3c767181 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55ca3c767cc0 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:625:17 [INFO] [stderr] 11: 0x55ca3c767857 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55ca3c765d6c - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55ca3c7677b9 - rust_begin_unwind [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55ca3c7301b1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55ca3c7300a3 - core::option::expect_failed::h52daa91c8ef676fe [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/option.rs:1241:5 [INFO] [stderr] 16: 0x55ca3c739e6c - core::option::Option::expect::h62fa174f3e66024f [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/option.rs:349:21 [INFO] [stderr] 17: 0x55ca3c73688c - build_script_build::main::h1cf6fd891cacfc67 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core_collections-0.3.20170409/build.rs:48:4 [INFO] [stderr] 18: 0x55ca3c739bfb - core::ops::function::FnOnce::call_once::h46d222f7aca566d5 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55ca3c739b1e - std::sys_common::backtrace::__rust_begin_short_backtrace::h8172b43652b4288c [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55ca3c737971 - std::rt::lang_start::{{closure}}::h6744e0e9c7de82c0 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55ca3c7680fa - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55ca3c7680fa - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55ca3c7680fa - std::panicking::try::h4beadc19a78fec52 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55ca3c7680fa - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panic.rs:433:14 [INFO] [stderr] 25: 0x55ca3c7680fa - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55ca3c737950 - std::rt::lang_start::h9c18ac399bea559e [INFO] [stderr] at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55ca3c73719c - main [INFO] [stderr] 28: 0x7f8184ad50b3 - __libc_start_main [INFO] [stderr] 29: 0x55ca3c73090e - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "da2297f8cdf09eb95cf550bac77f79d5f259a816356fe5d5a5573a112683e84f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da2297f8cdf09eb95cf550bac77f79d5f259a816356fe5d5a5573a112683e84f", kill_on_drop: false }` [INFO] [stdout] da2297f8cdf09eb95cf550bac77f79d5f259a816356fe5d5a5573a112683e84f