[INFO] fetching crate fortytwo 42.0.0... [INFO] testing fortytwo-42.0.0 against 1.49.0 for beta-1.50-1 [INFO] extracting crate fortytwo 42.0.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate fortytwo 42.0.0 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate fortytwo 42.0.0 [INFO] finished tweaking crates.io crate fortytwo 42.0.0 [INFO] tweaked toml for crates.io crate fortytwo 42.0.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate fortytwo 42.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61fc9e4b99e45b6fe271c44f572aef69e0dfba9cab81da65fc972c6d59354dba [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" "61fc9e4b99e45b6fe271c44f572aef69e0dfba9cab81da65fc972c6d59354dba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61fc9e4b99e45b6fe271c44f572aef69e0dfba9cab81da65fc972c6d59354dba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61fc9e4b99e45b6fe271c44f572aef69e0dfba9cab81da65fc972c6d59354dba", kill_on_drop: false }` [INFO] [stdout] 61fc9e4b99e45b6fe271c44f572aef69e0dfba9cab81da65fc972c6d59354dba [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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] bce193ed2666832f8798144281acad8a75183309ff67183f1fbd1970fd22b38e [INFO] running `Command { std: "docker" "start" "-a" "bce193ed2666832f8798144281acad8a75183309ff67183f1fbd1970fd22b38e", kill_on_drop: false }` [INFO] [stderr] Compiling fortytwo v42.0.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `fortytwo v42.0.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/fortytwo-5e8bca919acf4e0b/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at ' [INFO] [stderr] MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM `MM' VMMMMM [INFO] [stderr] MMMMMV MV MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM VM MMMMMM [INFO] [stderr] MMMMMM M mMMMMMMMMMMMMMMMMMMMV'" "`VMMMMMMMMMMMMMM MMMA `M MM MM [INFO] [stderr] MM VM M MMMMMMMMMMMMMMMV" "VMMMMMMMMM. 'MM M M' .MM [INFO] [stderr] MM. M M MV VMMMMMMMV' "VMMMMMMMMM. " V V .MMM [INFO] [stderr] MMA V M M' ,MMMMMMV' "VMMMMMMMM. .. mMMM [INFO] [stderr] MMMA ` V MMMMMM' `VMMMMMMm "S" mMMMM [INFO] [stderr] MMMM .,., AMMMMV `VMMM""" : .MMMMM [INFO] [stderr] MMMM "B" MMMMMV M" .' .MMMMMM [INFO] [stderr] MMMM : AV" V ` .mm. MMMMMMM [INFO] [stderr] MMMM. `. ..MMMMMm MMMMMMM [INFO] [stderr] MMMMM.. . .mMMV . . VMMMMMMA VMMMMM [INFO] [stderr] MMMMMM AMMMMMM' * <^@^> <==> .* 'MMMMMMm MMMMM [INFO] [stderr] MMMMM' MMMMMMV .I .a@. V'"MMMMA MMMM [INFO] [stderr] MMMMM MMMMMM( a@:. .' @@! . "MMMm MMM [INFO] [stderr] MMMM' MMMV""' !@a :. .';.a@@R , MM [INFO] [stderr] MMMV MV" : :@@@: :. .: a@@@@! ..............mM [INFO] [stderr] MMM' . `@@@@ : `... ..:' : a@@@@@' MMMMMMMMMMMMMMMM [INFO] [stderr] MMM .......... @@@@@a : :'`:`------': : a@@@@@@@ MMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMA `@@@@@@@a : : :: : a@@@@@@@@@' :MMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMM. `@@@@@@@@@@aaA. .;|. .Aaa@@@@@@@@@' .AMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMM. `@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ mMMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMMM. @@@@@@@@@@@"oOo.oOOo"@@@@@@@' mMMMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMMMMm `@@@@@@@"OOOOOOxOOOOO"@@@V mMMMMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMMMMMA. `@@@"OOOOOOOOxOOOOO"@' .AMMMMMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMMMMMMMA. ""V@@AOOOOOOxOOOOO. .AMMMMMMMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMMMMMMMMMMm. `OOOOOOOxXOOOo.mMMMMMMMMMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMMMMMMMMMMMMMAm.. `OOOOOOoxOOOO:MMMMMMMMMMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOOOxOOOO:MMMMMMMMMMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOOxOOOO;MMMMMMMMMMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOOOOO;AMMMMMMMMMMMMMMMMMMMMMMMMM [INFO] [stderr] MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMA`OOOOOO;AMMMMMMMMMMMMMMMMMMMMMMMMMMM [INFO] [stderr] WIZMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMmmmmmmMMMMMMMMMMMMMMMMMMMMMMMMM*MJJ [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] 88888b 888 88b 88 88 d888b 88 [INFO] [stderr] 88 88 88 88 888b 88 88 88 ` 88 [INFO] [stderr] 88888P 88 88 88`8b88 88 88 88 [INFO] [stderr] 88 d8888888b 88 `888 88 88 , `" [INFO] [stderr] 88 88 8b 88 `88 88 T888P 88 [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] It is said that despite its many glaring (and occasionally fatal) inaccuracies, [INFO] [stderr] the Rust Compiler Version 42 has outsold the Encyclopedia Galactica Compiler Collection [INFO] [stderr] because it is slightly cheaper, [INFO] [stderr] and because it has the words 'DON'T PANIC' in large, friendly letters on the cover. [INFO] [stderr] [INFO] [stderr] ', build.rs:20:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x563a7c83de00 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x563a7c83de00 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x563a7c83de00 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x563a7c83de00 - ::fmt::he009dcaaa75eed60 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x563a7c85b60c - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x563a7c83b5c2 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stderr] 6: 0x563a7c83ff65 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x563a7c83ff65 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x563a7c83ff65 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x563a7c83fc08 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x563a7c8406a1 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stderr] 11: 0x563a7c8401e7 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13 [INFO] [stderr] 12: 0x563a7c83e2bc - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x563a7c840149 - rust_begin_unwind [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5 [INFO] [stderr] 14: 0x563a7c8400fb - std::panicking::begin_panic_fmt::h4a7e15187eac098d [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:437:5 [INFO] [stderr] 15: 0x563a7c807a36 - build_script_build::main::h83afca9bcb420045 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:20:9 [INFO] [stderr] 16: 0x563a7c80723b - core::ops::function::FnOnce::call_once::h74633c54a659cb86 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 17: 0x563a7c8071de - std::sys_common::backtrace::__rust_begin_short_backtrace::h19ae867fcfb2039e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 18: 0x563a7c807b31 - std::rt::lang_start::{{closure}}::h66ede497e00e273e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18 [INFO] [stderr] 19: 0x563a7c840ac7 - core::ops::function::impls:: for &F>::call_once::h57e2a071d427b24c [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 20: 0x563a7c840ac7 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stderr] 21: 0x563a7c840ac7 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stderr] 22: 0x563a7c840ac7 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stderr] 23: 0x563a7c840ac7 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stderr] 24: 0x563a7c807b07 - std::rt::lang_start::h972ad3c93ded64c4 [INFO] [stderr] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5 [INFO] [stderr] 25: 0x563a7c807aba - main [INFO] [stderr] 26: 0x7f0b4ffa40b3 - __libc_start_main [INFO] [stderr] 27: 0x563a7c8070ae - _start [INFO] [stderr] 28: 0x0 - [INFO] running `Command { std: "docker" "inspect" "bce193ed2666832f8798144281acad8a75183309ff67183f1fbd1970fd22b38e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bce193ed2666832f8798144281acad8a75183309ff67183f1fbd1970fd22b38e", kill_on_drop: false }` [INFO] [stdout] bce193ed2666832f8798144281acad8a75183309ff67183f1fbd1970fd22b38e