[INFO] cloning repository https://github.com/mgattozzi/oxidizing-the-technical-interview [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgattozzi/oxidizing-the-technical-interview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Foxidizing-the-technical-interview", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Foxidizing-the-technical-interview'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b536ec33119b316c2527476541def377c63b14b4 [INFO] checking mgattozzi/oxidizing-the-technical-interview against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgattozzi%2Foxidizing-the-technical-interview" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mgattozzi/oxidizing-the-technical-interview on toolchain da897dfb6daa268a965d2d73620316ba56020a19 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mgattozzi/oxidizing-the-technical-interview [INFO] finished tweaking git repo https://github.com/mgattozzi/oxidizing-the-technical-interview [INFO] tweaked toml for git repo https://github.com/mgattozzi/oxidizing-the-technical-interview written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/mgattozzi/oxidizing-the-technical-interview already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bf0ad36b215c823748365ead19840c3fe5f8c97c301ddba282f7d65acf4e5ff [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" "5bf0ad36b215c823748365ead19840c3fe5f8c97c301ddba282f7d65acf4e5ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bf0ad36b215c823748365ead19840c3fe5f8c97c301ddba282f7d65acf4e5ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bf0ad36b215c823748365ead19840c3fe5f8c97c301ddba282f7d65acf4e5ff", kill_on_drop: false }` [INFO] [stdout] 5bf0ad36b215c823748365ead19840c3fe5f8c97c301ddba282f7d65acf4e5ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91146f4943e34bb71def714695c2e43b6f46704a2901600a8c7bdfad07194dbf [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" "91146f4943e34bb71def714695c2e43b6f46704a2901600a8c7bdfad07194dbf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking oxidizing-the-interview v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0152]: found duplicate lang item `sized` [INFO] [stdout] --> src/main.rs:47:1 [INFO] [stdout] | [INFO] [stdout] 47 | pub trait Sized {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `freeze` [INFO] [stdout] --> src/main.rs:49:1 [INFO] [stdout] | [INFO] [stdout] 49 | auto trait Freeze {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `receiver` [INFO] [stdout] --> src/main.rs:54:1 [INFO] [stdout] | [INFO] [stdout] 54 | trait Receiver {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `index` [INFO] [stdout] --> src/main.rs:56:1 [INFO] [stdout] | [INFO] [stdout] 56 | / trait Index { [INFO] [stdout] 57 | | type Output: ?Sized; [INFO] [stdout] 58 | | fn index(&self, index: Idx) -> &Self::Output; [INFO] [stdout] 59 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `copy` [INFO] [stdout] --> src/main.rs:79:1 [INFO] [stdout] | [INFO] [stdout] 79 | trait Copy: Clone {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `eq` [INFO] [stdout] --> src/main.rs:87:1 [INFO] [stdout] | [INFO] [stdout] 87 | / trait PartialEq { [INFO] [stdout] 88 | | fn eq(&self, other: &Rhs) -> bool; [INFO] [stdout] 89 | | fn ne(&self, other: &Rhs) -> bool { [INFO] [stdout] 90 | | !self.eq(other) [INFO] [stdout] 91 | | } [INFO] [stdout] 92 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `partial_ord` [INFO] [stdout] --> src/main.rs:94:1 [INFO] [stdout] | [INFO] [stdout] 94 | / trait PartialOrd: PartialEq { [INFO] [stdout] 95 | | fn partial_cmp(&self, other: &Rhs) -> Option; [INFO] [stdout] 96 | | fn lt(&self, other: &Rhs) -> bool { [INFO] [stdout] 97 | | matches!(self.partial_cmp(other), Some(Less)) [INFO] [stdout] ... | [INFO] [stdout] 107 | | } [INFO] [stdout] 108 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `not` [INFO] [stdout] --> src/main.rs:110:1 [INFO] [stdout] | [INFO] [stdout] 110 | / trait Not { [INFO] [stdout] 111 | | type Output; [INFO] [stdout] 112 | | [INFO] [stdout] 113 | | fn not(self) -> Self::Output; [INFO] [stdout] 114 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `neg` [INFO] [stdout] --> src/main.rs:116:1 [INFO] [stdout] | [INFO] [stdout] 116 | / trait Neg { [INFO] [stdout] 117 | | type Output; [INFO] [stdout] 118 | | fn neg(self) -> Self::Output; [INFO] [stdout] 119 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `sub` [INFO] [stdout] --> src/main.rs:121:1 [INFO] [stdout] | [INFO] [stdout] 121 | / trait Sub { [INFO] [stdout] 122 | | type Output; [INFO] [stdout] 123 | | fn sub(self, rhs: Rhs) -> Self::Output; [INFO] [stdout] 124 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `slice` [INFO] [stdout] --> src/main.rs:129:1 [INFO] [stdout] | [INFO] [stdout] 129 | / impl [T] { [INFO] [stdout] 130 | | #[allow(unused_attributes)] [INFO] [stdout] 131 | | #[allow_internal_unstable(const_fn_union)] [INFO] [stdout] 132 | | const fn len(&self) -> usize { [INFO] [stdout] ... | [INFO] [stdout] 142 | | } [INFO] [stdout] 143 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `const_ptr` [INFO] [stdout] --> src/main.rs:146:1 [INFO] [stdout] | [INFO] [stdout] 146 | / impl *const T { [INFO] [stdout] 147 | | unsafe fn add(self, count: usize) -> Self [INFO] [stdout] 148 | | where [INFO] [stdout] 149 | | T: Sized, [INFO] [stdout] ... | [INFO] [stdout] 159 | | } [INFO] [stdout] 160 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `mut_ptr` [INFO] [stdout] --> src/main.rs:162:1 [INFO] [stdout] | [INFO] [stdout] 162 | / impl *mut T { [INFO] [stdout] 163 | | unsafe fn add(self, count: usize) -> *mut T [INFO] [stdout] 164 | | where [INFO] [stdout] 165 | | T: Sized, [INFO] [stdout] ... | [INFO] [stdout] 174 | | } [INFO] [stdout] 175 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `core` (which `std` depends on) [INFO] [stdout] = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0152]: found duplicate lang item `start` [INFO] [stdout] --> src/main.rs:264:1 [INFO] [stdout] | [INFO] [stdout] 264 | fn start(main: fn() -> T, _: isize, _: *const *const u8) -> isize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `std` (which `test` depends on) [INFO] [stdout] = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/da897dfb6daa268a965d2d73620316ba56020a19/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-faa3fd6c69b73b7d.rlib [INFO] [stdout] = note: second definition in the local crate (`oxidizing_the_interview`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 14 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stdout] warning: the feature `const_if_match` has been stable since 1.46.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(const_if_match)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `oxidizing-the-interview`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'no errors encountered even though `delay_span_bug` issued', compiler/rustc_errors/src/lib.rs:369:17 [INFO] [stdout] error: internal compiler error: broken MIR in DefId(0:87 ~ oxidizing_the_interview[62ea]::{{impl}}[7]::neg[0]) (NoSolution): could not prove TraitPredicate() [INFO] [stdout] | [INFO] [stdout] = note: delayed at compiler/rustc_mir/src/borrow_check/type_check/mod.rs:258:27 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fab246de530 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x7fab246de530 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7fab246de530 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x7fab246de530 - ::fmt::h3cd15d7003dec37a [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x7fab2474ce2c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x7fab246d0907 - std::io::Write::write_fmt::hac61caff894c35ae [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/io/mod.rs:1517 [INFO] [stderr] 6: 0x7fab246e3230 - std::sys_common::backtrace::_print::haa2f390fb7957e3e [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x7fab246e3230 - std::sys_common::backtrace::print::h48c7cbbad9013bb1 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x7fab246e3230 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x7fab246e2f7c - std::panicking::default_hook::h2f00c78800d98e4c [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x7fab24f566a4 - rustc_driver::report_ice::hd736bea9ad59b02a [INFO] [stderr] 11: 0x7fab246e39d8 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:581 [INFO] [stderr] 12: 0x7fab27ef28d4 - std::panicking::begin_panic::{{closure}}::h2d6cc401e958df6f [INFO] [stderr] 13: 0x7fab27ef1d2c - std::sys_common::backtrace::__rust_end_short_backtrace::h89646154cf7c2ae0 [INFO] [stderr] 14: 0x7fab27ef283c - std::panicking::begin_panic::hb0e37ad1651d0b1e [INFO] [stderr] 15: 0x7fab27eb3345 - ::drop::hdad2a241d272fec5 [INFO] [stderr] 16: 0x7fab24edf6e6 - core::ptr::drop_in_place::hfd793d113e997faf [INFO] [stderr] 17: 0x7fab24ee0976 - as core::ops::drop::Drop>::drop::h5a91048a4a774455 [INFO] [stderr] 18: 0x7fab24f17e5d - core::ptr::drop_in_place::h3ca67d8903970ab2 [INFO] [stderr] 19: 0x7fab24f0fb6b - rustc_span::with_source_map::he52d2e0c6177f287 [INFO] [stderr] 20: 0x7fab24f803b3 - rustc_interface::interface::create_compiler_and_run::h80874578e642ac73 [INFO] [stderr] 21: 0x7fab24f5a70a - scoped_tls::ScopedKey::set::h7e0a01d39c8551cf [INFO] [stderr] 22: 0x7fab24f6ef17 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd515bf0a4768efd9 [INFO] [stderr] 23: 0x7fab24ef9dce - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc776a06d7e45ba64 [INFO] [stderr] 24: 0x7fab246f2f7a - as core::ops::function::FnOnce>::call_once::h12eb11286d55ef7c [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/alloc/src/boxed.rs:1042 [INFO] [stderr] 25: 0x7fab246f2f7a - as core::ops::function::FnOnce>::call_once::h7a8834e2603fbb01 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/alloc/src/boxed.rs:1042 [INFO] [stderr] 26: 0x7fab246f2f7a - std::sys::unix::thread::Thread::new::thread_start::h0afd1709a500dd5c [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7fab24610609 - start_thread [INFO] [stderr] 28: 0x7fab24524103 - clone [INFO] [stderr] 29: 0x0 - [INFO] [stderr] [INFO] [stderr] error: internal compiler error: unexpected panic [INFO] [stderr] [INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: rustc 1.48.0-nightly (da897dfb6 2020-09-02) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type bin [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] end of query stack [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "91146f4943e34bb71def714695c2e43b6f46704a2901600a8c7bdfad07194dbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91146f4943e34bb71def714695c2e43b6f46704a2901600a8c7bdfad07194dbf", kill_on_drop: false }` [INFO] [stdout] 91146f4943e34bb71def714695c2e43b6f46704a2901600a8c7bdfad07194dbf