[INFO] fetching crate rust-libcore 0.0.3... [INFO] checking rust-libcore-0.0.3 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789 [INFO] extracting crate rust-libcore 0.0.3 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate rust-libcore 0.0.3 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust-libcore 0.0.3 [INFO] finished tweaking crates.io crate rust-libcore 0.0.3 [INFO] tweaked toml for crates.io crate rust-libcore 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6a1fc1e3a0249d56f4d17206fb2dde2a727996a512f9da285c980cdab9f0b50 [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" "c6a1fc1e3a0249d56f4d17206fb2dde2a727996a512f9da285c980cdab9f0b50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6a1fc1e3a0249d56f4d17206fb2dde2a727996a512f9da285c980cdab9f0b50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6a1fc1e3a0249d56f4d17206fb2dde2a727996a512f9da285c980cdab9f0b50", kill_on_drop: false }` [INFO] [stdout] c6a1fc1e3a0249d56f4d17206fb2dde2a727996a512f9da285c980cdab9f0b50 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a96bbbbafb53c949699269c9e623f9881d883e650cd4711f05f62f3aaa1986e [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" "8a96bbbbafb53c949699269c9e623f9881d883e650cd4711f05f62f3aaa1986e", kill_on_drop: false }` [INFO] [stderr] Compiling rust-libcore v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `core::str::::trim_left_matches`: superseded by `trim_start_matches` [INFO] [stdout] --> build.rs:27:7 [INFO] [stdout] | [INFO] [stdout] 27 | }.trim_left_matches("("); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> build.rs:26:26 [INFO] [stdout] | [INFO] [stdout] 26 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 26 | Err(e) => panic!("{}", e), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 26 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> build.rs:33:38 [INFO] [stdout] | [INFO] [stdout] 33 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 33 | Err(e) => panic!("{}", e), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 33 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> build.rs:43:16 [INFO] [stdout] | [INFO] [stdout] 43 | panic!(e); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 43 | panic!("{}", e); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 43 | std::panic::panic_any(e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> build.rs:48:16 [INFO] [stdout] | [INFO] [stdout] 48 | panic!(e); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 48 | panic!("{}", e); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 48 | std::panic::panic_any(e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> build.rs:65:26 [INFO] [stdout] | [INFO] [stdout] 65 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this is no longer accepted in Rust 2021 [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 65 | Err(e) => panic!("{}", e), [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 65 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: failed to run custom build command for `rust-libcore v0.0.3 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rust-libcore-6de50b60fcdba72b/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Box', build.rs:43:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55c44e125080 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55c44e125080 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55c44e125080 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55c44e125080 - ::fmt::he40bcdde3c4491cd [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55c44e143c3f - core::fmt::write::h2c729149c08098ab [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55c44e122b35 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/io/mod.rs:1580:15 [INFO] [stderr] 6: 0x55c44e12710b - std::sys_common::backtrace::_print::h7f0223b1e3d898fc [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55c44e12710b - std::sys_common::backtrace::print::h58edd634a14c2d4c [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55c44e12710b - std::panicking::default_hook::{{closure}}::h71657a7591430164 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55c44e126bed - std::panicking::default_hook::hcdf4eb5db072c85b [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55c44e1276bd - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55c44e10e7cb - std::panicking::begin_panic::{{closure}}::h4ba35b75927e9391 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:520:9 [INFO] [stderr] 12: 0x55c44e10a458 - std::sys_common::backtrace::__rust_end_short_backtrace::hec74fa949703e4b7 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55c44e10e61b - std::panicking::begin_panic::h91452ed09d4030dd [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:519:12 [INFO] [stderr] 14: 0x55c44e10b160 - build_script_build::main::hac02c44ec62475ca [INFO] [stderr] at /opt/rustwide/workdir/build.rs:43:9 [INFO] [stderr] 15: 0x55c44e10f93b - core::ops::function::FnOnce::call_once::h8df0823355838d08 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x55c44e10a49e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb7125ed8c6857921 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x55c44e10cdc1 - std::rt::lang_start::{{closure}}::h2e647112eb3b8ff7 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:66:18 [INFO] [stderr] 18: 0x55c44e127aba - core::ops::function::impls:: for &F>::call_once::hd5953dadf0bc8f54 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x55c44e127aba - std::panicking::try::do_call::h23b369f1996fb7d4 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:379:40 [INFO] [stderr] 20: 0x55c44e127aba - std::panicking::try::he017ee9ed6bce192 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panicking.rs:343:19 [INFO] [stderr] 21: 0x55c44e127aba - std::panic::catch_unwind::hbfb892340a78b30d [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/panic.rs:431:14 [INFO] [stderr] 22: 0x55c44e127aba - std::rt::lang_start_internal::hce6e4c0ce56abb51 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:51:25 [INFO] [stderr] 23: 0x55c44e10cda0 - std::rt::lang_start::hd0f0dd469add46b7 [INFO] [stderr] at /rustc/836c31742687ba4e2f857b5b698e1e9e6b67619c/library/std/src/rt.rs:65:5 [INFO] [stderr] 24: 0x55c44e10b7cc - main [INFO] [stderr] 25: 0x7f9ddccfe0b3 - __libc_start_main [INFO] [stderr] 26: 0x55c44e1056fe - _start [INFO] [stderr] 27: 0x0 - [INFO] running `Command { std: "docker" "inspect" "8a96bbbbafb53c949699269c9e623f9881d883e650cd4711f05f62f3aaa1986e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a96bbbbafb53c949699269c9e623f9881d883e650cd4711f05f62f3aaa1986e", kill_on_drop: false }` [INFO] [stdout] 8a96bbbbafb53c949699269c9e623f9881d883e650cd4711f05f62f3aaa1986e