[INFO] fetching crate fortytwo 42.0.0... [INFO] testing fortytwo-42.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate fortytwo 42.0.0 into /workspace/builds/worker-0-tc2/source [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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fortytwo 42.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate fortytwo 42.0.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eda2419664d0ee22b2e13d5602f42c3a641972d21a71249ed1355f719d7ce873 [INFO] running `Command { std: "docker" "start" "-a" "eda2419664d0ee22b2e13d5602f42c3a641972d21a71249ed1355f719d7ce873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eda2419664d0ee22b2e13d5602f42c3a641972d21a71249ed1355f719d7ce873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eda2419664d0ee22b2e13d5602f42c3a641972d21a71249ed1355f719d7ce873", kill_on_drop: false }` [INFO] [stdout] eda2419664d0ee22b2e13d5602f42c3a641972d21a71249ed1355f719d7ce873 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea6add3c77869214e49578fc93785302322e537faa8cdf16e4f34aa08f7f2074 [INFO] running `Command { std: "docker" "start" "-a" "ea6add3c77869214e49578fc93785302322e537faa8cdf16e4f34aa08f7f2074", 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] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/fortytwo-ce81d5a2a126c0a7/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (52) panicked at build.rs:20:9: [INFO] [stderr] [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] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5c07a8ce7ad2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x5c07a8ce7ad2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x5c07a8ce7ad2 - std::sys::backtrace::_print_fmt::h255777b7ec902439 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5c07a8ce7ad2 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5c07a8cf6ebf - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5c07a8cf6ebf - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25 [INFO] [stderr] 6: 0x5c07a8cbe633 - std::io::default_write_fmt::hb29d13affe7e9cd0 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5c07a8cbe633 - std::io::Write::write_fmt::hec441b8c6eca32b9 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5c07a8cc78e2 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5c07a8cc952c - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5c07a8cc9386 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5c07a8cc9b05 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5c07a8cc999a - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x5c07a8cc7a19 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5c07a8cb2f0d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5c07a8cfa590 - core::panicking::panic_fmt::h774fb860369a0f7b [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14 [INFO] [stderr] 16: 0x5c07a8ca2a1a - build_script_build::main::h1e3c117f5e5d900a [INFO] [stderr] 17: 0x5c07a8ca2bb3 - core::ops::function::FnOnce::call_once::h15e9ab63eae801e9 [INFO] [stderr] 18: 0x5c07a8ca2a96 - std::sys::backtrace::__rust_begin_short_backtrace::h6991c15279b0b027 [INFO] [stderr] 19: 0x5c07a8ca2a79 - std::rt::lang_start::{{closure}}::hd879982c391fbedd [INFO] [stderr] 20: 0x5c07a8cbfcc0 - core::ops::function::impls:: for &F>::call_once::h9095abc9db71b07e [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 21: 0x5c07a8cbfcc0 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stderr] 22: 0x5c07a8cbfcc0 - std::panicking::catch_unwind::h60074fd2327f40bd [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stderr] 23: 0x5c07a8cbfcc0 - std::panic::catch_unwind::heb14fa8e39d051cf [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stderr] 24: 0x5c07a8cbfcc0 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24 [INFO] [stderr] 25: 0x5c07a8cbfcc0 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stderr] 26: 0x5c07a8cbfcc0 - std::panicking::catch_unwind::hb8d32f0195463ad2 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stderr] 27: 0x5c07a8cbfcc0 - std::panic::catch_unwind::hcebe3b1d5adfc5a2 [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stderr] 28: 0x5c07a8cbfcc0 - std::rt::lang_start_internal::h27f55ed238aa26df [INFO] [stderr] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5 [INFO] [stderr] 29: 0x5c07a8ca2a61 - std::rt::lang_start::h98b97861d4f13c83 [INFO] [stderr] 30: 0x5c07a8ca3ad5 - main [INFO] [stderr] 31: 0x79975d03c1ca - [INFO] [stderr] 32: 0x79975d03c28b - __libc_start_main [INFO] [stderr] 33: 0x5c07a8ca24b5 - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "ea6add3c77869214e49578fc93785302322e537faa8cdf16e4f34aa08f7f2074", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea6add3c77869214e49578fc93785302322e537faa8cdf16e4f34aa08f7f2074", kill_on_drop: false }` [INFO] [stdout] ea6add3c77869214e49578fc93785302322e537faa8cdf16e4f34aa08f7f2074