[INFO] crate dyon 0.44.0 is already in cache
[INFO] checking dyon-0.44.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate dyon 0.44.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate dyon 0.44.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dyon 0.44.0
[INFO] finished tweaking crates.io crate dyon 0.44.0
[INFO] tweaked toml for crates.io crate dyon 0.44.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate dyon 0.44.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc306e4d4ff8e65738fac40319d89f92ef3f5c6593d56e9957ba4528161ed8e9
[INFO] running `"docker" "start" "-a" "cc306e4d4ff8e65738fac40319d89f92ef3f5c6593d56e9957ba4528161ed8e9"`
[INFO] [stderr]     Checking range v1.0.0
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking advancedresearch-tree_mem_sort v0.2.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking read_token v1.0.0
[INFO] [stderr]     Checking piston_meta v1.0.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking dyon v0.44.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/ast/infer_len.rs:319:15
[INFO] [stderr]     |
[INFO] [stderr] 319 |     let res = { f(decls) };
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/ast/infer_len.rs:354:15
[INFO] [stderr]     |
[INFO] [stderr] 354 |     let res = { f(decls) };
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/ast/infer_len.rs:319:15
[INFO] [stderr]     |
[INFO] [stderr] 319 |     let res = { f(decls) };
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]    --> src/ast/infer_len.rs:354:15
[INFO] [stderr]     |
[INFO] [stderr] 354 |     let res = { f(decls) };
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:155:81
[INFO] [stderr]     |
[INFO] [stderr] 155 |             format!("{}\nCan not lock Thread mutex:\n{}", rt.stack_trace(), err.description()))
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:155:81
[INFO] [stderr]     |
[INFO] [stderr] 155 |             format!("{}\nCan not lock Thread mutex:\n{}", rt.stack_trace(), err.description()))
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/runtime/for_in.rs:29:60
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 91 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]    |                        ---------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 127 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 153 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 172 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 198 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 259 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 278 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 320 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 339 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 383 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 402 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 446 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 472 |             let iter_val = iter_val!(iter, rt, for_in_expr);
[INFO] [stderr]     |                            -------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 570 |                 rt.stack[st - 1] = iter_val_inc!(iter, rt, for_in_expr);
[INFO] [stderr]     |                                    ------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 598 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 619 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/runtime/for_in.rs:29:60
[INFO] [stderr]    |
[INFO] [stderr] 29 |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 91 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]    |                        ---------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 127 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 153 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 172 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 198 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 259 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 278 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 320 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 339 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 383 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 402 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 446 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 472 |             let iter_val = iter_val!(iter, rt, for_in_expr);
[INFO] [stderr]     |                            -------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 570 |                 rt.stack[st - 1] = iter_val_inc!(iter, rt, for_in_expr);
[INFO] [stderr]     |                                    ------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:29:60
[INFO] [stderr]     |
[INFO] [stderr] 29  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 598 |         let iter_val = iter_val!(iter, self, for_in_expr);
[INFO] [stderr]     |                        ---------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/runtime/for_in.rs:74:60
[INFO] [stderr]     |
[INFO] [stderr] 74  |                 &format!("Can not lock In mutex:\n{}", err.description()), $rt));
[INFO] [stderr]     |                                                            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 619 |             self.stack[st - 1] = iter_val_inc!(iter, self, for_in_expr);
[INFO] [stderr]     |                                  -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1622:57
[INFO] [stderr]      |
[INFO] [stderr] 1622 |                     message: Variable::Str(Arc::new(err.description().into())),
[INFO] [stderr]      |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1628:49
[INFO] [stderr]      |
[INFO] [stderr] 1628 |             message: Variable::Str(Arc::new(err.description().into())),
[INFO] [stderr]      |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1654:61
[INFO] [stderr]      |
[INFO] [stderr] 1654 |                         message: Variable::Str(Arc::new(err.description().into())),
[INFO] [stderr]      |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1661:49
[INFO] [stderr]      |
[INFO] [stderr] 1661 |             message: Variable::Str(Arc::new(err.description().into())),
[INFO] [stderr]      |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/dyon_std/mod.rs:884:26
[INFO] [stderr]     |
[INFO] [stderr] 884 |         return Err(error.description().into())
[INFO] [stderr]     |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/dyon_std/mod.rs:903:44
[INFO] [stderr]     |
[INFO] [stderr] 903 |             Err(error) => return Err(error.description().into()),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1779:28
[INFO] [stderr]      |
[INFO] [stderr] 1779 |                  file, err.description())
[INFO] [stderr]      |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1789:39
[INFO] [stderr]      |
[INFO] [stderr] 1789 | ...                   file, err.description())...
[INFO] [stderr]      |                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1811:29
[INFO] [stderr]      |
[INFO] [stderr] 1811 |                         err.description())
[INFO] [stderr]      |                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1916:74
[INFO] [stderr]      |
[INFO] [stderr] 1916 |                     return Err(format!("Can not lock In mutex:\n{}", err.description()))
[INFO] [stderr]      |                                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1935:74
[INFO] [stderr]      |
[INFO] [stderr] 1935 |                     return Err(format!("Can not lock In mutex:\n{}", err.description()))
[INFO] [stderr]      |                                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]  --> src/dyon_std/io.rs:6:78
[INFO] [stderr]   |
[INFO] [stderr] 6 |     format!("IO Error when attempting to {} `{}`: {}\n{}", action, file, err.description(),
[INFO] [stderr]   |                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]  --> src/dyon_std/io.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 |             Some(cause) => cause.description()
[INFO] [stderr]   |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/dyon_std/meta.rs:141:66
[INFO] [stderr]     |
[INFO] [stderr] 141 |             format!("Could not create file `{}`:\n{}", file, err.description())
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1622:57
[INFO] [stderr]      |
[INFO] [stderr] 1622 |                     message: Variable::Str(Arc::new(err.description().into())),
[INFO] [stderr]      |                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1628:49
[INFO] [stderr]      |
[INFO] [stderr] 1628 |             message: Variable::Str(Arc::new(err.description().into())),
[INFO] [stderr]      |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1654:61
[INFO] [stderr]      |
[INFO] [stderr] 1654 |                         message: Variable::Str(Arc::new(err.description().into())),
[INFO] [stderr]      |                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1661:49
[INFO] [stderr]      |
[INFO] [stderr] 1661 |             message: Variable::Str(Arc::new(err.description().into())),
[INFO] [stderr]      |                                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/dyon_std/mod.rs:884:26
[INFO] [stderr]     |
[INFO] [stderr] 884 |         return Err(error.description().into())
[INFO] [stderr]     |                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/dyon_std/mod.rs:903:44
[INFO] [stderr]     |
[INFO] [stderr] 903 |             Err(error) => return Err(error.description().into()),
[INFO] [stderr]     |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1779:28
[INFO] [stderr]      |
[INFO] [stderr] 1779 |                  file, err.description())
[INFO] [stderr]      |                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1789:39
[INFO] [stderr]      |
[INFO] [stderr] 1789 | ...                   file, err.description())...
[INFO] [stderr]      |                                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1811:29
[INFO] [stderr]      |
[INFO] [stderr] 1811 |                         err.description())
[INFO] [stderr]      |                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1916:74
[INFO] [stderr]      |
[INFO] [stderr] 1916 |                     return Err(format!("Can not lock In mutex:\n{}", err.description()))
[INFO] [stderr]      |                                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]     --> src/dyon_std/mod.rs:1935:74
[INFO] [stderr]      |
[INFO] [stderr] 1935 |                     return Err(format!("Can not lock In mutex:\n{}", err.description()))
[INFO] [stderr]      |                                                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]  --> src/dyon_std/io.rs:6:78
[INFO] [stderr]   |
[INFO] [stderr] 6 |     format!("IO Error when attempting to {} `{}`: {}\n{}", action, file, err.description(),
[INFO] [stderr]   |                                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]  --> src/dyon_std/io.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 |             Some(cause) => cause.description()
[INFO] [stderr]   |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/dyon_std/meta.rs:141:66
[INFO] [stderr]     |
[INFO] [stderr] 141 |             format!("Could not create file `{}`:\n{}", file, err.description())
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.03s
[INFO] running `"docker" "inspect" "cc306e4d4ff8e65738fac40319d89f92ef3f5c6593d56e9957ba4528161ed8e9"`
[INFO] running `"docker" "rm" "-f" "cc306e4d4ff8e65738fac40319d89f92ef3f5c6593d56e9957ba4528161ed8e9"`
[INFO] [stdout] cc306e4d4ff8e65738fac40319d89f92ef3f5c6593d56e9957ba4528161ed8e9
