[INFO] cloning repository https://github.com/learnmerust/Practical-Introduction-to-Rust-workshop [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learnmerust/Practical-Introduction-to-Rust-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearnmerust%2FPractical-Introduction-to-Rust-workshop", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearnmerust%2FPractical-Introduction-to-Rust-workshop'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7d2c6e9f3965799528febe033009d0ca161739d3 [INFO] checking learnmerust/Practical-Introduction-to-Rust-workshop against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearnmerust%2FPractical-Introduction-to-Rust-workshop" "/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/learnmerust/Practical-Introduction-to-Rust-workshop on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/learnmerust/Practical-Introduction-to-Rust-workshop [INFO] finished tweaking git repo https://github.com/learnmerust/Practical-Introduction-to-Rust-workshop [INFO] tweaked toml for git repo https://github.com/learnmerust/Practical-Introduction-to-Rust-workshop written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/learnmerust/Practical-Introduction-to-Rust-workshop already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--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-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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bc5f2a1741cc25e8a85b8940bacd3f5eb58f6bfaeea048e3b4b41f411d857c97 [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" "bc5f2a1741cc25e8a85b8940bacd3f5eb58f6bfaeea048e3b4b41f411d857c97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc5f2a1741cc25e8a85b8940bacd3f5eb58f6bfaeea048e3b4b41f411d857c97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc5f2a1741cc25e8a85b8940bacd3f5eb58f6bfaeea048e3b4b41f411d857c97", kill_on_drop: false }` [INFO] [stdout] bc5f2a1741cc25e8a85b8940bacd3f5eb58f6bfaeea048e3b4b41f411d857c97 [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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c84050557d6c11529ced49133dc673c758c7d404135301004f591f8bf94d8ed5 [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" "c84050557d6c11529ced49133dc673c758c7d404135301004f591f8bf94d8ed5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking copyless v0.1.4 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Compiling askama_escape v0.2.0 [INFO] [stderr] Compiling humansize v1.1.0 [INFO] [stderr] Checking hashbrown v0.5.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Checking lock_api v0.3.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking unicode-normalization v0.1.11 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Checking miniz_oxide v0.3.5 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking encoding_rs v0.8.20 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking tokio-executor v0.1.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking tokio-timer v0.2.12 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking socket2 v0.3.11 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Checking resolv-conf v0.6.2 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking signal-hook v0.1.12 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking actix-codec v0.1.2 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking tokio-reactor v0.1.11 [INFO] [stderr] Checking actix-utils v0.4.7 [INFO] [stderr] Checking publicsuffix v1.5.4 [INFO] [stderr] Checking tokio-threadpool v0.1.17 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking actix-server-config v0.1.2 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling enum-as-inner v0.2.1 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling actix-web-codegen v0.1.3 [INFO] [stderr] Compiling const-random-macro v0.1.6 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking trust-dns-proto v0.7.4 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking actix-threadpool v0.1.2 [INFO] [stderr] Checking const-random v0.1.6 [INFO] [stderr] Checking ahash v0.2.18 [INFO] [stderr] Checking actix-rt v0.2.6 [INFO] [stderr] Checking actix-server v0.6.1 [INFO] [stderr] Checking actix-testing v0.1.0 [INFO] [stderr] Checking trust-dns-resolver v0.11.1 [INFO] [stderr] Checking actix-connect v0.2.5 [INFO] [stderr] Checking serde v1.0.102 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking actix-router v0.1.5 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking askama_shared v0.8.0 [INFO] [stderr] Checking actix-http v0.2.11 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking reqwest v0.9.22 [INFO] [stderr] Compiling askama_derive v0.8.0 [INFO] [stderr] Checking awc v0.2.8 [INFO] [stderr] Checking actix-web v1.0.8 [INFO] [stderr] Checking askama v0.8.0 [INFO] [stderr] Checking rust-workshop-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `client` [INFO] [stdout] --> src/main.rs:1:39 [INFO] [stdout] | [INFO] [stdout] 1 | use actix_web::{web, App, HttpServer, client}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `client` [INFO] [stdout] --> src/main.rs:1:39 [INFO] [stdout] | [INFO] [stdout] 1 | use actix_web::{web, App, HttpServer, client}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:9:40 [INFO] [stdout] | [INFO] [stdout] 9 | fn index(data: web::Data) -> String { [INFO] [stdout] | ----- ^^^^^^ expected struct `String`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] 10 | format!("{}", data.intro); [INFO] [stdout] | - help: consider removing this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:9:40 [INFO] [stdout] | [INFO] [stdout] 9 | fn index(data: web::Data) -> String { [INFO] [stdout] | ----- ^^^^^^ expected struct `String`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] 10 | format!("{}", data.intro); [INFO] [stdout] | - help: consider removing this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | intro: INTRO, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected struct `String`, found `&str` [INFO] [stdout] | help: try using a conversion method: `INTRO.to_string()` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:945:9 [INFO] [stdout] error: internal compiler error: compiler/rustc_middle/src/ty/sty.rs:2150:18: tuple_fields called on non-tuple [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f5b6707cbb0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7f5b6707cbb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f5b6707cbb0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f5b6707cbb0 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f5b670ecb7c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7f5b6706e812 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7f5b67081b65 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f5b67081b65 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f5b67081b65 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f5b67081808 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7f5b67948bb8 - rustc_driver::report_ice::h1ddbc5609a6e1f37 [INFO] [stderr] 11: 0x7f5b67082466 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:597:17 [INFO] [stderr] 12: 0x7f5b6a95ea2d - std::panicking::begin_panic::{{closure}}::h4b123e1d8e3ae463 [INFO] [stderr] 13: 0x7f5b6a95e966 - std::sys_common::backtrace::__rust_end_short_backtrace::ha21fec08f03d728b [INFO] [stderr] 14: 0x7f5b6a95e9ff - std::panicking::begin_panic::hc0c81fab1e0acd00 [INFO] [stderr] 15: 0x7f5b6a970960 - rustc_errors::HandlerInner::bug::h26f9bc1a7147687e [INFO] [stderr] 16: 0x7f5b6a96f4b0 - rustc_errors::Handler::bug::h2149bffe74600666 [INFO] [stderr] 17: 0x7f5b6a3cdd14 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hb4ddd0d3902006f3 [INFO] [stderr] 18: 0x7f5b6a3c754b - rustc_middle::ty::context::tls::with_opt::{{closure}}::ha7f81bc36cab3c9f [INFO] [stderr] 19: 0x7f5b6a3c6f02 - rustc_middle::ty::context::tls::with_opt::hf0c2c2aff96e53ba [INFO] [stderr] 20: 0x7f5b6a3cdc39 - rustc_middle::util::bug::opt_span_bug_fmt::hc7cbb029c2646db9 [INFO] [stderr] 21: 0x7f5b6a3cdbae - rustc_middle::util::bug::bug_fmt::hb51c412c48cda8bb [INFO] [stderr] 22: 0x7f5b6a4edc76 - rustc_middle::ty::sty::::tuple_fields::hcffd66056c4b0b40 [INFO] [stderr] 23: 0x7f5b69ca1bc8 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h95882b20956e73e1 [INFO] [stderr] 24: 0x7f5b69c9d121 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h54990b7b6affc102 [INFO] [stderr] 25: 0x7f5b69c9b51d - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::ha99d83e20ddb8b6a [INFO] [stderr] 26: 0x7f5b69cb1199 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hffe7c4030ffea93a [INFO] [stderr] 27: 0x7f5b69ca34b2 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::hfcfd3c271bd53aa9 [INFO] [stderr] 28: 0x7f5b69ca00e3 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h4ad24a0bed665604 [INFO] [stderr] 29: 0x7f5b69caf3d0 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hba94b248f9424a51 [INFO] [stderr] 30: 0x7f5b69c9f6c4 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::h9133d2ec84e07cb7 [INFO] [stderr] 31: 0x7f5b69e5ebb6 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::hfeffc9d35f96e5e2 [INFO] [stderr] 32: 0x7f5b69ca99be - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::ha94c0345657d01a6 [INFO] [stderr] 33: 0x7f5b69c6ee04 - rustc_infer::infer::InferCtxt::probe::hc7ac934f95713179 [INFO] [stderr] 34: 0x7f5b69c9ecc0 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::ha7df528801dc1d6e [INFO] [stderr] 35: 0x7f5b6800fd26 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::h7af0d1e7f72f5920 [INFO] [stderr] 36: 0x7f5b6807d53b - rustc_traits::evaluate_obligation::evaluate_obligation::hbba655fd524cb538 [INFO] [stderr] 37: 0x7f5b69c74f7d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::h74e4853d136e0e79 [INFO] [stderr] 38: 0x7f5b69cb6e29 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h59eddc515be1fa17 [INFO] [stderr] 39: 0x7f5b69e21ee0 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h26e1479b297dbecb [INFO] [stderr] 40: 0x7f5b69df7ef7 - rustc_query_system::query::plumbing::get_query_impl::hc1eb4259b8d6f99b [INFO] [stderr] 41: 0x7f5b69c9716e - ::evaluate_obligation::hfb4c8f6b80a9a72c [INFO] [stderr] 42: 0x7f5b69c9720d - ::evaluate_obligation_no_overflow::haee136c42e20a21a [INFO] [stderr] 43: 0x7f5b69e5dd31 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h6e2582ade205c427 [INFO] [stderr] 44: 0x7f5b69e5c7d2 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h84d4f4036c390b92 [INFO] [stderr] 45: 0x7f5b69e5b2b9 - ::select_where_possible::ha298a8db0ffb7554 [INFO] [stderr] 46: 0x7f5b6838f2b4 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::hd500893c3777d24b [INFO] [stderr] 47: 0x7f5b68600577 - rustc_infer::infer::InferCtxtBuilder::enter::h33c2ca6d940255f7 [INFO] [stderr] 48: 0x7f5b686980e8 - rustc_typeck::check::typeck::hf5dca34d9f9397ea [INFO] [stderr] 49: 0x7f5b6859cd4e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck>::compute::ha973184fc8dc7d94 [INFO] [stderr] 50: 0x7f5b68571287 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::hc027a840dd86dc2b [INFO] [stderr] 51: 0x7f5b684e0a21 - rustc_data_structures::stack::ensure_sufficient_stack::hf8ac0ee6e6d9e0cc [INFO] [stderr] 52: 0x7f5b6842b2f9 - rustc_query_system::query::plumbing::get_query_impl::hd518b5d289bc5ebe [INFO] [stderr] 53: 0x7f5b6843d63d - rustc_query_system::query::plumbing::ensure_query_impl::h8c27cccc682009bd [INFO] [stderr] 54: 0x7f5b6869cb56 - rustc_typeck::check::typeck_item_bodies::h7810afe0eebc0ace [INFO] [stderr] 55: 0x7f5b6855360e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck_item_bodies>::compute::he1ffffeb527b8ab1 [INFO] [stderr] 56: 0x7f5b68564217 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h0a5806e1468823aa [INFO] [stderr] 57: 0x7f5b684d3894 - rustc_data_structures::stack::ensure_sufficient_stack::h082de47c7a123405 [INFO] [stderr] 58: 0x7f5b683fe7f5 - rustc_query_system::query::plumbing::get_query_impl::h71b962d7012c4a42 [INFO] [stderr] 59: 0x7f5b685bcca3 - rustc_typeck::check_crate::he6ac80d39108f9c5 [INFO] [stderr] 60: 0x7f5b67b99d9e - rustc_interface::passes::analysis::h78326215bfd650a0 [INFO] [stderr] 61: 0x7f5b67986a7b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::hf8d4bc54d08537f3 [INFO] [stderr] 62: 0x7f5b67967707 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h6d03accb53ed1239 [INFO] [stderr] 63: 0x7f5b6796421f - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h947bb326d17d8606 [INFO] [stderr] 64: 0x7f5b678f1010 - rustc_query_system::query::plumbing::get_query_impl::h448d10ab90370983 [INFO] [stderr] 65: 0x7f5b679899df - rustc_interface::passes::QueryContext::enter::hbf7a36e966e91449 [INFO] [stderr] 66: 0x7f5b679656ae - rustc_interface::queries::::enter::h25b522245624a405 [INFO] [stderr] 67: 0x7f5b67928dbf - rustc_span::with_source_map::h7455fffe3cd153a4 [INFO] [stderr] 68: 0x7f5b67960b91 - scoped_tls::ScopedKey::set::h8ae8151712a551fd [INFO] [stderr] 69: 0x7f5b6796af55 - std::sys_common::backtrace::__rust_begin_short_backtrace::h26de371bc27662fc [INFO] [stderr] 70: 0x7f5b678e9eee - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd5b48297ec15d5af [INFO] [stderr] 71: 0x7f5b6709146a - as core::ops::function::FnOnce>::call_once::h1ca3bb61791b1789 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 72: 0x7f5b6709146a - as core::ops::function::FnOnce>::call_once::hd0f9fedfd5cf45f8 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 73: 0x7f5b6709146a - std::sys::unix::thread::Thread::new::thread_start::h35d2b8d36f210d02 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 74: 0x7f5b66fac609 - start_thread [INFO] [stderr] 75: 0x7f5b66ec0103 - clone [INFO] [stderr] 76: 0x0 - [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 1.49.0-nightly (430feb24a 2020-10-25) 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] #0 [evaluate_obligation] evaluating trait selection obligation `[closure@src/main.rs:18:21: 22:6]: std::clone::Clone` [INFO] [stderr] #1 [typeck] type-checking `main` [INFO] [stderr] #2 [typeck_item_bodies] type-checking all item bodies [INFO] [stderr] #3 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-workshop-demo` [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] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | intro: INTRO, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected struct `String`, found `&str` [INFO] [stdout] | help: try using a conversion method: `INTRO.to_string()` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:945:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f544ac6ebb0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3 [INFO] [stdout] error: internal compiler error: compiler/rustc_middle/src/ty/sty.rs:2150:18: tuple_fields called on non-tuple [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7f544ac6ebb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f544ac6ebb0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f544ac6ebb0 - ::fmt::h8d62bbfda6d5c836 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f544acdeb7c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7f544ac60812 - std::io::Write::write_fmt::h16a9fe7680ac245c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7f544ac73b65 - std::sys_common::backtrace::_print::h9ba51a6db618de7d [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f544ac73b65 - std::sys_common::backtrace::print::h5f20e41c85e91716 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f544ac73b65 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f544ac73808 - std::panicking::default_hook::hb3948d1f74b6ff4c [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7f544b53abb8 - rustc_driver::report_ice::h1ddbc5609a6e1f37 [INFO] [stderr] 11: 0x7f544ac74466 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:597:17 [INFO] [stderr] 12: 0x7f544e550a2d - std::panicking::begin_panic::{{closure}}::h4b123e1d8e3ae463 [INFO] [stderr] 13: 0x7f544e550966 - std::sys_common::backtrace::__rust_end_short_backtrace::ha21fec08f03d728b [INFO] [stderr] 14: 0x7f544e5509ff - std::panicking::begin_panic::hc0c81fab1e0acd00 [INFO] [stderr] 15: 0x7f544e562960 - rustc_errors::HandlerInner::bug::h26f9bc1a7147687e [INFO] [stderr] 16: 0x7f544e5614b0 - rustc_errors::Handler::bug::h2149bffe74600666 [INFO] [stderr] 17: 0x7f544dfbfd14 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::hb4ddd0d3902006f3 [INFO] [stderr] 18: 0x7f544dfb954b - rustc_middle::ty::context::tls::with_opt::{{closure}}::ha7f81bc36cab3c9f [INFO] [stderr] 19: 0x7f544dfb8f02 - rustc_middle::ty::context::tls::with_opt::hf0c2c2aff96e53ba [INFO] [stderr] 20: 0x7f544dfbfc39 - rustc_middle::util::bug::opt_span_bug_fmt::hc7cbb029c2646db9 [INFO] [stderr] 21: 0x7f544dfbfbae - rustc_middle::util::bug::bug_fmt::hb51c412c48cda8bb [INFO] [stderr] 22: 0x7f544e0dfc76 - rustc_middle::ty::sty::::tuple_fields::hcffd66056c4b0b40 [INFO] [stderr] 23: 0x7f544d893bc8 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h95882b20956e73e1 [INFO] [stderr] 24: 0x7f544d88f121 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h54990b7b6affc102 [INFO] [stderr] 25: 0x7f544d88d51d - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::ha99d83e20ddb8b6a [INFO] [stderr] 26: 0x7f544d8a3199 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hffe7c4030ffea93a [INFO] [stderr] 27: 0x7f544d8954b2 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::hfcfd3c271bd53aa9 [INFO] [stderr] 28: 0x7f544d8920e3 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h4ad24a0bed665604 [INFO] [stderr] 29: 0x7f544d8a13d0 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hba94b248f9424a51 [INFO] [stderr] 30: 0x7f544d8916c4 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::h9133d2ec84e07cb7 [INFO] [stderr] 31: 0x7f544da50bb6 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::hfeffc9d35f96e5e2 [INFO] [stderr] 32: 0x7f544d89b9be - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::ha94c0345657d01a6 [INFO] [stderr] 33: 0x7f544d860e04 - rustc_infer::infer::InferCtxt::probe::hc7ac934f95713179 [INFO] [stderr] 34: 0x7f544d890cc0 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::ha7df528801dc1d6e [INFO] [stderr] 35: 0x7f544bc01d26 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::h7af0d1e7f72f5920 [INFO] [stderr] 36: 0x7f544bc6f53b - rustc_traits::evaluate_obligation::evaluate_obligation::hbba655fd524cb538 [INFO] [stderr] 37: 0x7f544d866f7d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::h74e4853d136e0e79 [INFO] [stderr] 38: 0x7f544d8a8e29 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h59eddc515be1fa17 [INFO] [stderr] 39: 0x7f544da13ee0 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h26e1479b297dbecb [INFO] [stderr] 40: 0x7f544d9e9ef7 - rustc_query_system::query::plumbing::get_query_impl::hc1eb4259b8d6f99b [INFO] [stderr] 41: 0x7f544d88916e - ::evaluate_obligation::hfb4c8f6b80a9a72c [INFO] [stderr] 42: 0x7f544d88920d - ::evaluate_obligation_no_overflow::haee136c42e20a21a [INFO] [stderr] 43: 0x7f544da4fd31 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h6e2582ade205c427 [INFO] [stderr] 44: 0x7f544da4e7d2 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h84d4f4036c390b92 [INFO] [stderr] 45: 0x7f544da4d2b9 - ::select_where_possible::ha298a8db0ffb7554 [INFO] [stderr] 46: 0x7f544bf812b4 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::hd500893c3777d24b [INFO] [stderr] 47: 0x7f544c1f2577 - rustc_infer::infer::InferCtxtBuilder::enter::h33c2ca6d940255f7 [INFO] [stderr] 48: 0x7f544c28a0e8 - rustc_typeck::check::typeck::hf5dca34d9f9397ea [INFO] [stderr] 49: 0x7f544c18ed4e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck>::compute::ha973184fc8dc7d94 [INFO] [stderr] 50: 0x7f544c163287 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::hc027a840dd86dc2b [INFO] [stderr] 51: 0x7f544c0d2a21 - rustc_data_structures::stack::ensure_sufficient_stack::hf8ac0ee6e6d9e0cc [INFO] [stderr] 52: 0x7f544c01d2f9 - rustc_query_system::query::plumbing::get_query_impl::hd518b5d289bc5ebe [INFO] [stderr] 53: 0x7f544c02f63d - rustc_query_system::query::plumbing::ensure_query_impl::h8c27cccc682009bd [INFO] [stderr] 54: 0x7f544c28eb56 - rustc_typeck::check::typeck_item_bodies::h7810afe0eebc0ace [INFO] [stderr] 55: 0x7f544c14560e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck_item_bodies>::compute::he1ffffeb527b8ab1 [INFO] [stderr] 56: 0x7f544c156217 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h0a5806e1468823aa [INFO] [stderr] 57: 0x7f544c0c5894 - rustc_data_structures::stack::ensure_sufficient_stack::h082de47c7a123405 [INFO] [stderr] 58: 0x7f544bff07f5 - rustc_query_system::query::plumbing::get_query_impl::h71b962d7012c4a42 [INFO] [stderr] 59: 0x7f544c1aeca3 - rustc_typeck::check_crate::he6ac80d39108f9c5 [INFO] [stderr] 60: 0x7f544b78bd9e - rustc_interface::passes::analysis::h78326215bfd650a0 [INFO] [stderr] 61: 0x7f544b578a7b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::hf8d4bc54d08537f3 [INFO] [stderr] 62: 0x7f544b559707 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h6d03accb53ed1239 [INFO] [stderr] 63: 0x7f544b55621f - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h947bb326d17d8606 [INFO] [stderr] 64: 0x7f544b4e3010 - rustc_query_system::query::plumbing::get_query_impl::h448d10ab90370983 [INFO] [stderr] 65: 0x7f544b57b9df - rustc_interface::passes::QueryContext::enter::hbf7a36e966e91449 [INFO] [stderr] 66: 0x7f544b5576ae - rustc_interface::queries::::enter::h25b522245624a405 [INFO] [stderr] 67: 0x7f544b51adbf - rustc_span::with_source_map::h7455fffe3cd153a4 [INFO] [stderr] 68: 0x7f544b552b91 - scoped_tls::ScopedKey::set::h8ae8151712a551fd [INFO] [stderr] 69: 0x7f544b55cf55 - std::sys_common::backtrace::__rust_begin_short_backtrace::h26de371bc27662fc [INFO] [stderr] 70: 0x7f544b4dbeee - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd5b48297ec15d5af [INFO] [stderr] 71: 0x7f544ac8346a - as core::ops::function::FnOnce>::call_once::h1ca3bb61791b1789 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 72: 0x7f544ac8346a - as core::ops::function::FnOnce>::call_once::hd0f9fedfd5cf45f8 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 73: 0x7f544ac8346a - std::sys::unix::thread::Thread::new::thread_start::h35d2b8d36f210d02 [INFO] [stderr] at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 74: 0x7f544ab9e609 - start_thread [INFO] [stderr] 75: 0x7f544aab2103 - clone [INFO] [stderr] 76: 0x0 - [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 1.49.0-nightly (430feb24a 2020-10-25) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 [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] #0 [evaluate_obligation] evaluating trait selection obligation `[closure@src/main.rs:18:21: 22:6]: std::clone::Clone` [INFO] [stderr] #1 [typeck] type-checking `main` [INFO] [stderr] #2 [typeck_item_bodies] type-checking all item bodies [INFO] [stderr] #3 [analysis] running analysis passes on this crate [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c84050557d6c11529ced49133dc673c758c7d404135301004f591f8bf94d8ed5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c84050557d6c11529ced49133dc673c758c7d404135301004f591f8bf94d8ed5", kill_on_drop: false }` [INFO] [stdout] c84050557d6c11529ced49133dc673c758c7d404135301004f591f8bf94d8ed5