[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#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearnmerust%2FPractical-Introduction-to-Rust-workshop" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/learnmerust/Practical-Introduction-to-Rust-workshop on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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-12/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" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e25c6f61698027a611655894709e1e35b0016a3a70e6fe64cc11234845730005 [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" "e25c6f61698027a611655894709e1e35b0016a3a70e6fe64cc11234845730005", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e25c6f61698027a611655894709e1e35b0016a3a70e6fe64cc11234845730005", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e25c6f61698027a611655894709e1e35b0016a3a70e6fe64cc11234845730005", kill_on_drop: false }` [INFO] [stdout] e25c6f61698027a611655894709e1e35b0016a3a70e6fe64cc11234845730005 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b282d1d4690d9fd5b0c8f4d1aba835acdd6e445f066827f91dc5c86b0be83ad [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" "9b282d1d4690d9fd5b0c8f4d1aba835acdd6e445f066827f91dc5c86b0be83ad", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] 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[stderr] Checking trust-dns-proto v0.7.4 [INFO] [stderr] Checking const-random v0.1.6 [INFO] [stderr] Checking ahash v0.2.18 [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 serde_urlencoded v0.5.5 [INFO] [stderr] Checking actix-router v0.1.5 [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: 0x7fdbb28d2a20 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7fdbb28d2a20 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7fdbb28d2a20 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7fdbb28d2a20 - ::fmt::h400b66a054640aac [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7fdbb2941e9c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7fdbb28c4642 - std::io::Write::write_fmt::h6453b28c8b27c6ea [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7fdbb28d79d5 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7fdbb28d79d5 - std::sys_common::backtrace::print::h953c7be178c0674d [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7fdbb28d79d5 - std::panicking::default_hook::{{closure}}::h635d667f571198f0 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7fdbb28d7678 - std::panicking::default_hook::h3bc2efb48060abaa [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7fdbb31a0618 - rustc_driver::report_ice::hbf1325c7565687ba [INFO] [stderr] 11: 0x7fdbb28d8216 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:581:17 [INFO] [stderr] 12: 0x7fdbb614ca2d - std::panicking::begin_panic::{{closure}}::hc1d905d2374ce0cc [INFO] [stderr] 13: 0x7fdbb614c936 - std::sys_common::backtrace::__rust_end_short_backtrace::ha1feaa73cb1e05ce [INFO] [stderr] 14: 0x7fdbb614c99f - std::panicking::begin_panic::h09616460625efa25 [INFO] [stderr] 15: 0x7fdbb6183380 - rustc_errors::HandlerInner::bug::hbb6554bd4fbc8852 [INFO] [stderr] 16: 0x7fdbb6181e60 - rustc_errors::Handler::bug::h4feefeec7bb726ca [INFO] [stderr] 17: 0x7fdbb5bf3bc4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::h22b92ed7b73b8340 [INFO] [stderr] 18: 0x7fdbb5bece0b - rustc_middle::ty::context::tls::with_opt::{{closure}}::h32bfd9cf0b0a9393 [INFO] [stderr] 19: 0x7fdbb5becdb2 - rustc_middle::ty::context::tls::with_opt::h762464f893de2d96 [INFO] [stderr] 20: 0x7fdbb5bf3ae9 - rustc_middle::util::bug::opt_span_bug_fmt::h05648c19bbf99518 [INFO] [stderr] 21: 0x7fdbb5bf3a5e - rustc_middle::util::bug::bug_fmt::h5d4f7ed12a8f1d0d [INFO] [stderr] 22: 0x7fdbb5d10706 - rustc_middle::ty::sty::::tuple_fields::hdc3dc0e1875e99ff [INFO] [stderr] 23: 0x7fdbb5505fe8 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h8ff43f065f427a31 [INFO] [stderr] 24: 0x7fdbb5501541 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h7f604d35beab439e [INFO] [stderr] 25: 0x7fdbb54ff93d - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::h05f8c5b45c5e08a2 [INFO] [stderr] 26: 0x7fdbb5510479 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::h44ec985a7770338d [INFO] [stderr] 27: 0x7fdbb55078d2 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::he84ed255728ad44e [INFO] [stderr] 28: 0x7fdbb5504503 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h06e7ee3234d676cd [INFO] [stderr] 29: 0x7fdbb55153d0 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hf442492fe7988b09 [INFO] [stderr] 30: 0x7fdbb5503ae4 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::hb38f849d34368217 [INFO] [stderr] 31: 0x7fdbb56cba26 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::ha75a9cb68e9796c1 [INFO] [stderr] 32: 0x7fdbb550ddde - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::h08dd972328f720e7 [INFO] [stderr] 33: 0x7fdbb54d36b4 - rustc_infer::infer::InferCtxt::probe::hf13a54a708ad210c [INFO] [stderr] 34: 0x7fdbb55030e0 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::h954c58efaae55e17 [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: 0x7f2580808a20 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7f2580808a20 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f2580808a20 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f2580808a20 - ::fmt::h400b66a054640aac [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f2580877e9c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7f25807fa642 - std::io::Write::write_fmt::h6453b28c8b27c6ea [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7f258080d9d5 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f258080d9d5 - std::sys_common::backtrace::print::h953c7be178c0674d [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f258080d9d5 - std::panicking::default_hook::{{closure}}::h635d667f571198f0 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f258080d678 - std::panicking::default_hook::h3bc2efb48060abaa [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7f25810d6618 - rustc_driver::report_ice::hbf1325c7565687ba [INFO] [stderr] 11: 0x7f258080e216 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/panicking.rs:581:17 [INFO] [stderr] 12: 0x7f2584082a2d - std::panicking::begin_panic::{{closure}}::hc1d905d2374ce0cc [INFO] [stderr] 13: 0x7f2584082936 - std::sys_common::backtrace::__rust_end_short_backtrace::ha1feaa73cb1e05ce [INFO] [stderr] 14: 0x7f258408299f - std::panicking::begin_panic::h09616460625efa25 [INFO] [stderr] 35: 0x7fdbb3876d66 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::hdbc417ca7d0d6c33 [INFO] [stderr] 15: 0x7f25840b9380 - rustc_errors::HandlerInner::bug::hbb6554bd4fbc8852 [INFO] [stderr] 16: 0x7f25840b7e60 - rustc_errors::Handler::bug::h4feefeec7bb726ca [INFO] [stderr] 17: 0x7f2583b29bc4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::h22b92ed7b73b8340 [INFO] [stderr] 18: 0x7f2583b22e0b - rustc_middle::ty::context::tls::with_opt::{{closure}}::h32bfd9cf0b0a9393 [INFO] [stderr] 19: 0x7f2583b22db2 - rustc_middle::ty::context::tls::with_opt::h762464f893de2d96 [INFO] [stderr] 20: 0x7f2583b29ae9 - rustc_middle::util::bug::opt_span_bug_fmt::h05648c19bbf99518 [INFO] [stderr] 21: 0x7f2583b29a5e - rustc_middle::util::bug::bug_fmt::h5d4f7ed12a8f1d0d [INFO] [stderr] 22: 0x7f2583c46706 - rustc_middle::ty::sty::::tuple_fields::hdc3dc0e1875e99ff [INFO] [stderr] 23: 0x7f258343bfe8 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h8ff43f065f427a31 [INFO] [stderr] 24: 0x7f2583437541 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h7f604d35beab439e [INFO] [stderr] 25: 0x7f258343593d - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::h05f8c5b45c5e08a2 [INFO] [stderr] 26: 0x7f2583446479 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::h44ec985a7770338d [INFO] [stderr] 27: 0x7f258343d8d2 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::he84ed255728ad44e [INFO] [stderr] 28: 0x7f258343a503 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h06e7ee3234d676cd [INFO] [stderr] 29: 0x7f258344b3d0 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hf442492fe7988b09 [INFO] [stderr] 30: 0x7f2583439ae4 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::hb38f849d34368217 [INFO] [stderr] 31: 0x7f2583601a26 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::ha75a9cb68e9796c1 [INFO] [stderr] 32: 0x7f2583443dde - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::h08dd972328f720e7 [INFO] [stderr] 33: 0x7f25834096b4 - rustc_infer::infer::InferCtxt::probe::hf13a54a708ad210c [INFO] [stderr] 34: 0x7f25834390e0 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::h954c58efaae55e17 [INFO] [stderr] 35: 0x7f25817acd66 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::hdbc417ca7d0d6c33 [INFO] [stderr] 36: 0x7f25818187eb - rustc_traits::evaluate_obligation::evaluate_obligation::h6ad149b3038f3f29 [INFO] [stderr] 36: 0x7fdbb38e27eb - rustc_traits::evaluate_obligation::evaluate_obligation::h6ad149b3038f3f29 [INFO] [stderr] 37: 0x7fdbb54d939d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::hb3df2fb3e496fc5e [INFO] [stderr] 37: 0x7f258340f39d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::hb3df2fb3e496fc5e [INFO] [stderr] 38: 0x7fdbb5524c59 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::heacdf35d72b91e29 [INFO] [stderr] 38: 0x7f258345ac59 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::heacdf35d72b91e29 [INFO] [stderr] 39: 0x7f25835c5cd0 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h1335e7ad0f4ea52c [INFO] [stderr] 39: 0x7fdbb568fcd0 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h1335e7ad0f4ea52c [INFO] [stderr] 40: 0x7fdbb561b50d - rustc_query_system::query::plumbing::get_query_impl::h3957bf19a016f15f [INFO] [stderr] 41: 0x7fdbb54fb58e - ::evaluate_obligation::hd3c48f874d2c435f [INFO] [stderr] 42: 0x7fdbb54fb62d - ::evaluate_obligation_no_overflow::h888ee85cdb54e495 [INFO] [stderr] 43: 0x7fdbb560ed40 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h9f96ce64cbecfcf4 [INFO] [stderr] 40: 0x7f258355150d - rustc_query_system::query::plumbing::get_query_impl::h3957bf19a016f15f [INFO] [stderr] 41: 0x7f258343158e - ::evaluate_obligation::hd3c48f874d2c435f [INFO] [stderr] 44: 0x7fdbb560dfe2 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h2020dfafb477c00f [INFO] [stderr] 45: 0x7fdbb569b239 - rustc_data_structures::obligation_forest::ObligationForest::process_obligations::h1d11017f52bfdd95 [INFO] [stderr] 42: 0x7f258343162d - ::evaluate_obligation_no_overflow::h888ee85cdb54e495 [INFO] [stderr] 43: 0x7f2583544d40 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h9f96ce64cbecfcf4 [INFO] [stderr] 44: 0x7f2583543fe2 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h2020dfafb477c00f [INFO] [stderr] 45: 0x7f25835d1239 - rustc_data_structures::obligation_forest::ObligationForest::process_obligations::h1d11017f52bfdd95 [INFO] [stderr] 46: 0x7f25835432e4 - ::select_where_possible::hf96074721833b16c [INFO] [stderr] 46: 0x7fdbb560d2e4 - ::select_where_possible::hf96074721833b16c [INFO] [stderr] 47: 0x7fdbb3bf3084 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::h5a7844f4370dc933 [INFO] [stderr] 48: 0x7fdbb3e6b8f7 - rustc_infer::infer::InferCtxtBuilder::enter::h6881f9376e4471a9 [INFO] [stderr] 49: 0x7fdbb3f22158 - rustc_typeck::check::typeck::h7936b5f86fffb913 [INFO] [stderr] 50: 0x7fdbb3e0398e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck>::compute::hcea92138ac9e28bb [INFO] [stderr] 51: 0x7fdbb3dcd647 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2605dda46e394e9a [INFO] [stderr] 52: 0x7fdbb3d47a31 - rustc_data_structures::stack::ensure_sufficient_stack::hefd48e3d1b00a42f [INFO] [stderr] 53: 0x7fdbb3c38329 - rustc_query_system::query::plumbing::get_query_impl::h3a9e7fcf130ad31d [INFO] [stderr] 54: 0x7fdbb3ca43fd - rustc_query_system::query::plumbing::ensure_query_impl::h7982f7a407c81650 [INFO] [stderr] 55: 0x7fdbb3f26b36 - rustc_typeck::check::typeck_item_bodies::h64dc12efcaea9221 [INFO] [stderr] 56: 0x7fdbb3dba13e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck_item_bodies>::compute::h9834b15ef9ab2a9b [INFO] [stderr] 57: 0x7fdbb3dd9857 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::ha57625619acaac80 [INFO] [stderr] 58: 0x7fdbb3d43534 - rustc_data_structures::stack::ensure_sufficient_stack::h9c1970be50e3794d [INFO] [stderr] 59: 0x7fdbb3c27f25 - rustc_query_system::query::plumbing::get_query_impl::h086a494db0b3fd1b [INFO] [stderr] 60: 0x7fdbb3e22e73 - rustc_typeck::check_crate::h19e2dfbdd8ea5557 [INFO] [stderr] 61: 0x7fdbb33e5d95 - rustc_interface::passes::analysis::hf34e525a2b31f7c0 [INFO] [stderr] 62: 0x7fdbb311fd7b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h23cb841af51f0584 [INFO] [stderr] 63: 0x7fdbb31be057 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h7178e9f1ddee6943 [INFO] [stderr] 64: 0x7fdbb31b93df - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h4025824db8759ceb [INFO] [stderr] 65: 0x7fdbb314af10 - rustc_query_system::query::plumbing::get_query_impl::h29928f066778d4c4 [INFO] [stderr] 66: 0x7fdbb312212b - rustc_interface::passes::QueryContext::enter::h0705343d8e4a95be [INFO] [stderr] 67: 0x7fdbb31bb4a2 - rustc_interface::queries::::enter::h6eb07f11eba80bd6 [INFO] [stderr] 68: 0x7fdbb31822a2 - rustc_span::with_source_map::h3820d41b3a036910 [INFO] [stderr] 69: 0x7fdbb31bc9c2 - rustc_interface::interface::create_compiler_and_run::h08ad396f4e7721e0 [INFO] [stderr] 70: 0x7fdbb31a4d5a - scoped_tls::ScopedKey::set::hd425a36fbe06985e [INFO] [stderr] 71: 0x7fdbb31c19b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h23925571219dbc63 [INFO] [stderr] 72: 0x7fdbb313f3ce - core::ops::function::FnOnce::call_once{{vtable.shim}}::h43b61b9af30b3669 [INFO] [stderr] 73: 0x7fdbb28e721a - as core::ops::function::FnOnce>::call_once::h88864ee659ddb161 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 74: 0x7fdbb28e721a - as core::ops::function::FnOnce>::call_once::h9f03cbdc7ab33431 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 75: 0x7fdbb28e721a - std::sys::unix::thread::Thread::new::thread_start::h5979dd5560a11418 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 76: 0x7fdbb2802609 - start_thread [INFO] [stderr] 77: 0x7fdbb2716103 - clone [INFO] [stderr] 78: 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 (ffa2e7ae8 2020-10-24) 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] 47: 0x7f2581b29084 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::h5a7844f4370dc933 [INFO] [stderr] 48: 0x7f2581da18f7 - rustc_infer::infer::InferCtxtBuilder::enter::h6881f9376e4471a9 [INFO] [stderr] 49: 0x7f2581e58158 - rustc_typeck::check::typeck::h7936b5f86fffb913 [INFO] [stderr] 50: 0x7f2581d3998e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck>::compute::hcea92138ac9e28bb [INFO] [stderr] 51: 0x7f2581d03647 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2605dda46e394e9a [INFO] [stderr] 52: 0x7f2581c7da31 - rustc_data_structures::stack::ensure_sufficient_stack::hefd48e3d1b00a42f [INFO] [stderr] 53: 0x7f2581b6e329 - rustc_query_system::query::plumbing::get_query_impl::h3a9e7fcf130ad31d [INFO] [stderr] 54: 0x7f2581bda3fd - rustc_query_system::query::plumbing::ensure_query_impl::h7982f7a407c81650 [INFO] [stderr] 55: 0x7f2581e5cb36 - rustc_typeck::check::typeck_item_bodies::h64dc12efcaea9221 [INFO] [stderr] 56: 0x7f2581cf013e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck_item_bodies>::compute::h9834b15ef9ab2a9b [INFO] [stderr] 57: 0x7f2581d0f857 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::ha57625619acaac80 [INFO] [stderr] 58: 0x7f2581c79534 - rustc_data_structures::stack::ensure_sufficient_stack::h9c1970be50e3794d [INFO] [stderr] 59: 0x7f2581b5df25 - rustc_query_system::query::plumbing::get_query_impl::h086a494db0b3fd1b [INFO] [stderr] 60: 0x7f2581d58e73 - rustc_typeck::check_crate::h19e2dfbdd8ea5557 [INFO] [stderr] 61: 0x7f258131bd95 - rustc_interface::passes::analysis::hf34e525a2b31f7c0 [INFO] [stderr] 62: 0x7f2581055d7b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h23cb841af51f0584 [INFO] [stderr] 63: 0x7f25810f4057 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h7178e9f1ddee6943 [INFO] [stderr] 64: 0x7f25810ef3df - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h4025824db8759ceb [INFO] [stderr] 65: 0x7f2581080f10 - rustc_query_system::query::plumbing::get_query_impl::h29928f066778d4c4 [INFO] [stderr] 66: 0x7f258105812b - rustc_interface::passes::QueryContext::enter::h0705343d8e4a95be [INFO] [stderr] 67: 0x7f25810f14a2 - rustc_interface::queries::::enter::h6eb07f11eba80bd6 [INFO] [stderr] 68: 0x7f25810b82a2 - rustc_span::with_source_map::h3820d41b3a036910 [INFO] [stderr] 69: 0x7f25810f29c2 - rustc_interface::interface::create_compiler_and_run::h08ad396f4e7721e0 [INFO] [stderr] 70: 0x7f25810dad5a - scoped_tls::ScopedKey::set::hd425a36fbe06985e [INFO] [stderr] 71: 0x7f25810f79b5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h23925571219dbc63 [INFO] [stderr] 72: 0x7f25810753ce - core::ops::function::FnOnce::call_once{{vtable.shim}}::h43b61b9af30b3669 [INFO] [stderr] 73: 0x7f258081d21a - as core::ops::function::FnOnce>::call_once::h88864ee659ddb161 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 74: 0x7f258081d21a - as core::ops::function::FnOnce>::call_once::h9f03cbdc7ab33431 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 75: 0x7f258081d21a - std::sys::unix::thread::Thread::new::thread_start::h5979dd5560a11418 [INFO] [stderr] at /rustc/ffa2e7ae8fbf9badc035740db949b9dae271c29f/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 76: 0x7f2580738609 - start_thread [INFO] [stderr] 77: 0x7f258064c103 - clone [INFO] [stderr] 78: 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 (ffa2e7ae8 2020-10-24) 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] [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] [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "9b282d1d4690d9fd5b0c8f4d1aba835acdd6e445f066827f91dc5c86b0be83ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b282d1d4690d9fd5b0c8f4d1aba835acdd6e445f066827f91dc5c86b0be83ad", kill_on_drop: false }` [INFO] [stdout] 9b282d1d4690d9fd5b0c8f4d1aba835acdd6e445f066827f91dc5c86b0be83ad