[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 try#ff044a3d65d25a17c3e14c1530004e1540179ba7 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-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/learnmerust/Practical-Introduction-to-Rust-workshop on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "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-1/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded signal-hook v0.1.12 [INFO] [stderr] Downloaded tokio-threadpool v0.1.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad8b398c5a5bb86efaa8a9dc9c0dd53a7d93568e572c5058b7a8766ca2de4182 [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" "ad8b398c5a5bb86efaa8a9dc9c0dd53a7d93568e572c5058b7a8766ca2de4182", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad8b398c5a5bb86efaa8a9dc9c0dd53a7d93568e572c5058b7a8766ca2de4182", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad8b398c5a5bb86efaa8a9dc9c0dd53a7d93568e572c5058b7a8766ca2de4182", kill_on_drop: false }` [INFO] [stdout] ad8b398c5a5bb86efaa8a9dc9c0dd53a7d93568e572c5058b7a8766ca2de4182 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9487c95b872ed42b777604713ab8b0af309b8906a883cb755364ff5fb1daa390 [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" "9487c95b872ed42b777604713ab8b0af309b8906a883cb755364ff5fb1daa390", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [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] Compiling proc-macro2 v1.0.6 [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 scopeguard v1.0.0 [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 serde v1.0.102 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 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[INFO] [stderr] Checking actix-router v0.1.5 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Compiling 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] 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] 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: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] [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] [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] 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: 0x7fe3b9ae6a20 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64 [INFO] [stderr] 0: 0x7f3410441a20 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7f3410441a20 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c [INFO] [stderr] 1: 0x7fe3b9ae6a20 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f3410441a20 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a [INFO] [stderr] 2: 0x7fe3b9ae6a20 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f3410441a20 - ::fmt::h400b66a054640aac [INFO] [stderr] 3: 0x7fe3b9ae6a20 - ::fmt::h400b66a054640aac [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f34104b0e9c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] 4: 0x7fe3b9b55e9c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7f3410433642 - std::io::Write::write_fmt::h6453b28c8b27c6ea [INFO] [stderr] 5: 0x7fe3b9ad8642 - std::io::Write::write_fmt::h6453b28c8b27c6ea [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7f34104469d5 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 6: 0x7fe3b9aeb9d5 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0 [INFO] [stderr] 7: 0x7f34104469d5 - std::sys_common::backtrace::print::h953c7be178c0674d [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 7: 0x7fe3b9aeb9d5 - std::sys_common::backtrace::print::h953c7be178c0674d [INFO] [stderr] 8: 0x7f34104469d5 - std::panicking::default_hook::{{closure}}::h635d667f571198f0 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:208:50 [INFO] [stderr] 8: 0x7fe3b9aeb9d5 - std::panicking::default_hook::{{closure}}::h635d667f571198f0 [INFO] [stderr] 9: 0x7f3410446678 - std::panicking::default_hook::h3bc2efb48060abaa [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:208:50 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:227:9 [INFO] [stderr] 9: 0x7fe3b9aeb678 - std::panicking::default_hook::h3bc2efb48060abaa [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7f3410d0fe08 - rustc_driver::report_ice::hbf1325c7565687ba [INFO] [stderr] 11: 0x7f3410447216 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2 [INFO] [stderr] 10: 0x7fe3ba3b4e08 - rustc_driver::report_ice::hbf1325c7565687ba [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:581:17 [INFO] [stderr] 11: 0x7fe3b9aec216 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:581:17 [INFO] [stderr] 12: 0x7f3413cb1cbd - std::panicking::begin_panic::{{closure}}::hc1d905d2374ce0cc [INFO] [stderr] 12: 0x7fe3bd356cbd - std::panicking::begin_panic::{{closure}}::hc1d905d2374ce0cc [INFO] [stderr] 13: 0x7f3413cb1bc6 - std::sys_common::backtrace::__rust_end_short_backtrace::ha1feaa73cb1e05ce [INFO] [stderr] 13: 0x7fe3bd356bc6 - std::sys_common::backtrace::__rust_end_short_backtrace::ha1feaa73cb1e05ce [INFO] [stderr] 14: 0x7f3413cb1c2f - std::panicking::begin_panic::h09616460625efa25 [INFO] [stderr] 14: 0x7fe3bd356c2f - std::panicking::begin_panic::h09616460625efa25 [INFO] [stderr] 15: 0x7f3413ce8610 - rustc_errors::HandlerInner::bug::hbb6554bd4fbc8852 [INFO] [stderr] 15: 0x7fe3bd38d610 - rustc_errors::HandlerInner::bug::hbb6554bd4fbc8852 [INFO] [stderr] 16: 0x7fe3bd38c0f0 - rustc_errors::Handler::bug::h4feefeec7bb726ca [INFO] [stderr] 16: 0x7f3413ce70f0 - rustc_errors::Handler::bug::h4feefeec7bb726ca [INFO] [stderr] 17: 0x7fe3bce74ea4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::h22b92ed7b73b8340 [INFO] [stderr] 17: 0x7f34137cfea4 - rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}::h22b92ed7b73b8340 [INFO] [stderr] 18: 0x7f34137cf74b - rustc_middle::ty::context::tls::with_opt::{{closure}}::h32bfd9cf0b0a9393 [INFO] [stderr] 18: 0x7fe3bce7474b - rustc_middle::ty::context::tls::with_opt::{{closure}}::h32bfd9cf0b0a9393 [INFO] [stderr] 19: 0x7fe3bce746f2 - rustc_middle::ty::context::tls::with_opt::h762464f893de2d96 [INFO] [stderr] 19: 0x7f34137cf6f2 - rustc_middle::ty::context::tls::with_opt::h762464f893de2d96 [INFO] [stderr] 20: 0x7f34137cfdc9 - rustc_middle::util::bug::opt_span_bug_fmt::h05648c19bbf99518 [INFO] [stderr] 20: 0x7fe3bce74dc9 - rustc_middle::util::bug::opt_span_bug_fmt::h05648c19bbf99518 [INFO] [stderr] 21: 0x7fe3bce74d3e - rustc_middle::util::bug::bug_fmt::h5d4f7ed12a8f1d0d [INFO] [stderr] 21: 0x7f34137cfd3e - rustc_middle::util::bug::bug_fmt::h5d4f7ed12a8f1d0d [INFO] [stderr] 22: 0x7f3413875bc6 - rustc_middle::ty::sty::::tuple_fields::hdc3dc0e1875e99ff [INFO] [stderr] 22: 0x7fe3bcf1abc6 - rustc_middle::ty::sty::::tuple_fields::hdc3dc0e1875e99ff [INFO] [stderr] 23: 0x7f341306ce78 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h8ff43f065f427a31 [INFO] [stderr] 23: 0x7fe3bc711e78 - rustc_trait_selection::traits::select::SelectionContext::copy_clone_conditions::h8ff43f065f427a31 [INFO] [stderr] 24: 0x7f34130683d1 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h7f604d35beab439e [INFO] [stderr] 24: 0x7fe3bc70d3d1 - rustc_trait_selection::traits::select::candidate_assembly::::assemble_candidates::h7f604d35beab439e [INFO] [stderr] 25: 0x7fe3bc70b7cd - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::h05f8c5b45c5e08a2 [INFO] [stderr] 25: 0x7f34130667cd - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation_no_cache::h05f8c5b45c5e08a2 [INFO] [stderr] 26: 0x7f3413077309 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::h44ec985a7770338d [INFO] [stderr] 26: 0x7fe3bc71c309 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::h44ec985a7770338d [INFO] [stderr] 27: 0x7f341306e762 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::he84ed255728ad44e [INFO] [stderr] 28: 0x7f341306b393 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h06e7ee3234d676cd [INFO] [stderr] 27: 0x7fe3bc713762 - rustc_trait_selection::traits::select::candidate_assembly::::candidate_from_obligation::he84ed255728ad44e [INFO] [stderr] 28: 0x7fe3bc710393 - rustc_trait_selection::traits::select::SelectionContext::evaluate_stack::h06e7ee3234d676cd [INFO] [stderr] 29: 0x7f341307c260 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hf442492fe7988b09 [INFO] [stderr] 29: 0x7fe3bc721260 - rustc_query_system::dep_graph::graph::DepGraph::with_anon_task::hf442492fe7988b09 [INFO] [stderr] 30: 0x7fe3bc70f974 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::hb38f849d34368217 [INFO] [stderr] 30: 0x7f341306a974 - rustc_trait_selection::traits::select::SelectionContext::evaluate_trait_predicate_recursively::hb38f849d34368217 [INFO] [stderr] 31: 0x7f34132328b6 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::ha75a9cb68e9796c1 [INFO] [stderr] 31: 0x7fe3bc8d78b6 - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::{{closure}}::ha75a9cb68e9796c1 [INFO] [stderr] 32: 0x7f3413074c6e - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::h08dd972328f720e7 [INFO] [stderr] 32: 0x7fe3bc719c6e - rustc_trait_selection::traits::select::SelectionContext::evaluate_predicate_recursively::h08dd972328f720e7 [INFO] [stderr] 33: 0x7f341303a544 - rustc_infer::infer::InferCtxt::probe::hf13a54a708ad210c [INFO] [stderr] 33: 0x7fe3bc6df544 - rustc_infer::infer::InferCtxt::probe::hf13a54a708ad210c [INFO] [stderr] 34: 0x7f3413069f70 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::h954c58efaae55e17 [INFO] [stderr] 34: 0x7fe3bc70ef70 - rustc_trait_selection::traits::select::SelectionContext::evaluate_root_obligation::h954c58efaae55e17 [INFO] [stderr] 35: 0x7fe3baa89e96 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::hdbc417ca7d0d6c33 [INFO] [stderr] 35: 0x7f34113e4e96 - rustc_infer::infer::InferCtxtBuilder::enter_with_canonical::hdbc417ca7d0d6c33 [INFO] [stderr] 36: 0x7fe3baaf591b - rustc_traits::evaluate_obligation::evaluate_obligation::h6ad149b3038f3f29 [INFO] [stderr] 36: 0x7f341145091b - rustc_traits::evaluate_obligation::evaluate_obligation::h6ad149b3038f3f29 [INFO] [stderr] 37: 0x7f341304022d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::hb3df2fb3e496fc5e [INFO] [stderr] 37: 0x7fe3bc6e522d - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::evaluate_obligation>::compute::hb3df2fb3e496fc5e [INFO] [stderr] 38: 0x7f341308bae9 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::heacdf35d72b91e29 [INFO] [stderr] 38: 0x7fe3bc730ae9 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::heacdf35d72b91e29 [INFO] [stderr] 39: 0x7fe3bc89bb60 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h1335e7ad0f4ea52c [INFO] [stderr] 39: 0x7f34131f6b60 - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h1335e7ad0f4ea52c [INFO] [stderr] 40: 0x7f341318239d - rustc_query_system::query::plumbing::get_query_impl::h3957bf19a016f15f [INFO] [stderr] 41: 0x7f341306241e - ::evaluate_obligation::hd3c48f874d2c435f [INFO] [stderr] 40: 0x7fe3bc82739d - rustc_query_system::query::plumbing::get_query_impl::h3957bf19a016f15f [INFO] [stderr] 41: 0x7fe3bc70741e - ::evaluate_obligation::hd3c48f874d2c435f [INFO] [stderr] 42: 0x7f34130624bd - ::evaluate_obligation_no_overflow::h888ee85cdb54e495 [INFO] [stderr] 42: 0x7fe3bc7074bd - ::evaluate_obligation_no_overflow::h888ee85cdb54e495 [INFO] [stderr] 43: 0x7f3413175bd0 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h9f96ce64cbecfcf4 [INFO] [stderr] 44: 0x7f3413174e72 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h2020dfafb477c00f [INFO] [stderr] 43: 0x7fe3bc81abd0 - rustc_trait_selection::traits::fulfill::FulfillProcessor::process_trait_obligation::h9f96ce64cbecfcf4 [INFO] [stderr] 44: 0x7fe3bc819e72 - rustc_trait_selection::traits::fulfill::FulfillProcessor::progress_changed_obligations::h2020dfafb477c00f [INFO] [stderr] 45: 0x7f34132020c9 - rustc_data_structures::obligation_forest::ObligationForest::process_obligations::h1d11017f52bfdd95 [INFO] [stderr] 45: 0x7fe3bc8a70c9 - rustc_data_structures::obligation_forest::ObligationForest::process_obligations::h1d11017f52bfdd95 [INFO] [stderr] 46: 0x7f3413174174 - ::select_where_possible::hf96074721833b16c [INFO] [stderr] 47: 0x7f34117611b4 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::h5a7844f4370dc933 [INFO] [stderr] 46: 0x7fe3bc819174 - ::select_where_possible::hf96074721833b16c [INFO] [stderr] 48: 0x7f34119d9a27 - rustc_infer::infer::InferCtxtBuilder::enter::h6881f9376e4471a9 [INFO] [stderr] 49: 0x7f3411a90288 - rustc_typeck::check::typeck::h7936b5f86fffb913 [INFO] [stderr] 47: 0x7fe3bae061b4 - rustc_typeck::check::fn_ctxt::_impl::::select_obligations_where_possible::h5a7844f4370dc933 [INFO] [stderr] 50: 0x7f3411971abe - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck>::compute::hcea92138ac9e28bb [INFO] [stderr] 48: 0x7fe3bb07ea27 - rustc_infer::infer::InferCtxtBuilder::enter::h6881f9376e4471a9 [INFO] [stderr] 51: 0x7f341193b777 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2605dda46e394e9a [INFO] [stderr] 52: 0x7f34118b5b61 - rustc_data_structures::stack::ensure_sufficient_stack::hefd48e3d1b00a42f [INFO] [stderr] 49: 0x7fe3bb135288 - rustc_typeck::check::typeck::h7936b5f86fffb913 [INFO] [stderr] 53: 0x7f34117a6459 - rustc_query_system::query::plumbing::get_query_impl::h3a9e7fcf130ad31d [INFO] [stderr] 54: 0x7f341181252d - rustc_query_system::query::plumbing::ensure_query_impl::h7982f7a407c81650 [INFO] [stderr] 50: 0x7fe3bb016abe - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck>::compute::hcea92138ac9e28bb [INFO] [stderr] 55: 0x7f3411a94c66 - rustc_typeck::check::typeck_item_bodies::h64dc12efcaea9221 [INFO] [stderr] 51: 0x7fe3bafe0777 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h2605dda46e394e9a [INFO] [stderr] 56: 0x7f341192826e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck_item_bodies>::compute::h9834b15ef9ab2a9b [INFO] [stderr] 52: 0x7fe3baf5ab61 - rustc_data_structures::stack::ensure_sufficient_stack::hefd48e3d1b00a42f [INFO] [stderr] 53: 0x7fe3bae4b459 - rustc_query_system::query::plumbing::get_query_impl::h3a9e7fcf130ad31d [INFO] [stderr] 54: 0x7fe3baeb752d - rustc_query_system::query::plumbing::ensure_query_impl::h7982f7a407c81650 [INFO] [stderr] 55: 0x7fe3bb139c66 - rustc_typeck::check::typeck_item_bodies::h64dc12efcaea9221 [INFO] [stderr] 56: 0x7fe3bafcd26e - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::typeck_item_bodies>::compute::h9834b15ef9ab2a9b [INFO] [stderr] 57: 0x7fe3bafec987 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::ha57625619acaac80 [INFO] [stderr] 58: 0x7fe3baf56664 - rustc_data_structures::stack::ensure_sufficient_stack::h9c1970be50e3794d [INFO] [stderr] 59: 0x7fe3bae3b055 - rustc_query_system::query::plumbing::get_query_impl::h086a494db0b3fd1b [INFO] [stderr] 60: 0x7fe3bb035fa3 - rustc_typeck::check_crate::h19e2dfbdd8ea5557 [INFO] [stderr] 61: 0x7fe3ba5f7fb0 - rustc_interface::passes::analysis::hf34e525a2b31f7c0 [INFO] [stderr] 62: 0x7fe3ba33456b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h23cb841af51f0584 [INFO] [stderr] 63: 0x7fe3ba3d2847 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h7178e9f1ddee6943 [INFO] [stderr] 64: 0x7fe3ba3cdbcf - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h4025824db8759ceb [INFO] [stderr] 65: 0x7fe3ba35f700 - rustc_query_system::query::plumbing::get_query_impl::h29928f066778d4c4 [INFO] [stderr] 66: 0x7fe3ba33691b - rustc_interface::passes::QueryContext::enter::h0705343d8e4a95be [INFO] [stderr] 67: 0x7fe3ba3cfc92 - rustc_interface::queries::::enter::h6eb07f11eba80bd6 [INFO] [stderr] 68: 0x7fe3ba396a92 - rustc_span::with_source_map::h3820d41b3a036910 [INFO] [stderr] 69: 0x7fe3ba3d11b2 - rustc_interface::interface::create_compiler_and_run::h08ad396f4e7721e0 [INFO] [stderr] 70: 0x7fe3ba3b954a - scoped_tls::ScopedKey::set::hd425a36fbe06985e [INFO] [stderr] 71: 0x7fe3ba3d61a5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h23925571219dbc63 [INFO] [stderr] 72: 0x7fe3ba353bbe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h43b61b9af30b3669 [INFO] [stderr] 73: 0x7fe3b9afb21a - as core::ops::function::FnOnce>::call_once::h88864ee659ddb161 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 57: 0x7f3411947987 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::ha57625619acaac80 [INFO] [stderr] 58: 0x7f34118b1664 - rustc_data_structures::stack::ensure_sufficient_stack::h9c1970be50e3794d [INFO] [stderr] 74: 0x7fe3b9afb21a - as core::ops::function::FnOnce>::call_once::h9f03cbdc7ab33431 [INFO] [stderr] 59: 0x7f3411796055 - rustc_query_system::query::plumbing::get_query_impl::h086a494db0b3fd1b [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 60: 0x7f3411990fa3 - rustc_typeck::check_crate::h19e2dfbdd8ea5557 [INFO] [stderr] 75: 0x7fe3b9afb21a - std::sys::unix::thread::Thread::new::thread_start::h5979dd5560a11418 [INFO] [stderr] 61: 0x7f3410f52fb0 - rustc_interface::passes::analysis::hf34e525a2b31f7c0 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 76: 0x7fe3b9a16609 - start_thread [INFO] [stderr] 77: 0x7fe3b992a103 - clone [INFO] [stderr] 62: 0x7f3410c8f56b - rustc_middle::ty::query:: for rustc_middle::ty::query::queries::analysis>::compute::h23cb841af51f0584 [INFO] [stderr] 63: 0x7f3410d2d847 - rustc_query_system::dep_graph::graph::DepGraph::with_task_impl::h7178e9f1ddee6943 [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 (ff044a3d6 2020-10-24) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] 64: 0x7f3410d28bcf - rustc_middle::ty::query::plumbing::::start_query::{{closure}}::{{closure}}::{{closure}}::h4025824db8759ceb [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] 65: 0x7f3410cba700 - rustc_query_system::query::plumbing::get_query_impl::h29928f066778d4c4 [INFO] [stderr] 66: 0x7f3410c9191b - rustc_interface::passes::QueryContext::enter::h0705343d8e4a95be [INFO] [stderr] 67: 0x7f3410d2ac92 - rustc_interface::queries::::enter::h6eb07f11eba80bd6 [INFO] [stderr] 68: 0x7f3410cf1a92 - rustc_span::with_source_map::h3820d41b3a036910 [INFO] [stderr] 69: 0x7f3410d2c1b2 - rustc_interface::interface::create_compiler_and_run::h08ad396f4e7721e0 [INFO] [stderr] 70: 0x7f3410d1454a - scoped_tls::ScopedKey::set::hd425a36fbe06985e [INFO] [stderr] 71: 0x7f3410d311a5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h23925571219dbc63 [INFO] [stderr] 72: 0x7f3410caebbe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h43b61b9af30b3669 [INFO] [stderr] 73: 0x7f341045621a - as core::ops::function::FnOnce>::call_once::h88864ee659ddb161 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 74: 0x7f341045621a - as core::ops::function::FnOnce>::call_once::h9f03cbdc7ab33431 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 75: 0x7f341045621a - std::sys::unix::thread::Thread::new::thread_start::h5979dd5560a11418 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 76: 0x7f3410371609 - start_thread [INFO] [stderr] 77: 0x7f3410285103 - 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 (ff044a3d6 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" "9487c95b872ed42b777604713ab8b0af309b8906a883cb755364ff5fb1daa390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9487c95b872ed42b777604713ab8b0af309b8906a883cb755364ff5fb1daa390", kill_on_drop: false }` [INFO] [stdout] 9487c95b872ed42b777604713ab8b0af309b8906a883cb755364ff5fb1daa390