[INFO] cloning repository https://github.com/thomhuds/ciphertools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomhuds/ciphertools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomhuds%2Fciphertools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomhuds%2Fciphertools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eecd067920a50641f2d967b75945847dfffadfb7
[INFO] checking thomhuds/ciphertools against try#a611f2a14e38407ec6717a86a01424ee6fc80762 for pr-154992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomhuds%2Fciphertools" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thomhuds/ciphertools
[INFO] finished tweaking git repo https://github.com/thomhuds/ciphertools
[INFO] tweaked toml for git repo https://github.com/thomhuds/ciphertools written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomhuds/ciphertools on toolchain a611f2a14e38407ec6717a86a01424ee6fc80762
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomhuds/ciphertools already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking thomhuds/ciphertools against try#a611f2a14e38407ec6717a86a01424ee6fc80762 for pr-154992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomhuds%2Fciphertools" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thomhuds/ciphertools
[INFO] finished tweaking git repo https://github.com/thomhuds/ciphertools
[INFO] tweaked toml for git repo https://github.com/thomhuds/ciphertools written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thomhuds/ciphertools on toolchain a611f2a14e38407ec6717a86a01424ee6fc80762
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thomhuds/ciphertools already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded dxgi v0.1.7
[INFO] [stderr]   Downloaded gdk-pixbuf v0.8.0
[INFO] [stderr]   Downloaded unicode-script v0.5.2
[INFO] [stderr]   Downloaded simple_logger v1.6.0
[INFO] [stderr]   Downloaded rctree v0.3.3
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded druid-derive v0.3.1
[INFO] [stderr]   Downloaded xmlparser v0.13.2
[INFO] [stderr]   Downloaded direct2d v0.2.0
[INFO] [stderr]   Downloaded cocoa v0.20.2
[INFO] [stderr]   Downloaded pango v0.8.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.9.1
[INFO] [stderr]   Downloaded gtk-sys v0.9.2
[INFO] [stderr]   Downloaded gdk v0.12.1
[INFO] [stderr]   Downloaded gio v0.8.1
[INFO] [stderr]   Downloaded directwrite v0.1.4
[INFO] [stderr]   Downloaded glib v0.9.3
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.65
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded druid-shell v0.6.0
[INFO] [stderr]   Downloaded harfbuzz_rs v1.2.0
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded glib-sys v0.9.1
[INFO] [stderr]   Downloaded kurbo v0.6.2
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded pin-project v0.4.22
[INFO] [stderr]   Downloaded piet-web v0.1.0
[INFO] [stderr]   Downloaded smallvec v1.4.1
[INFO] [stderr]   Downloaded js-sys v0.3.42
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded druid v0.6.0
[INFO] [stderr]   Downloaded gio-sys v0.9.1
[INFO] [stderr]   Downloaded gtk v0.8.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.22
[INFO] [stderr]   Downloaded intl_pluralrules v7.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.65
[INFO] [stderr]   Downloaded data-url v0.1.0
[INFO] [stderr]   Downloaded freetype v0.5.1
[INFO] [stderr]   Downloaded roxmltree v0.11.0
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded piet v0.1.0
[INFO] [stderr]   Downloaded web-sys v0.3.42
[INFO] [stderr]   Downloaded standback v0.2.9
[INFO] [stderr]   Downloaded cmake v0.1.44
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded atk v0.8.0
[INFO] [stderr]   Downloaded atk-sys v0.9.1
[INFO] [stderr]   Downloaded gdk-sys v0.9.1
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded gobject-sys v0.9.1
[INFO] [stderr]   Downloaded cairo-rs v0.8.1
[INFO] [stderr]   Downloaded piet-direct2d v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.65
[INFO] [stderr]   Downloaded piet-common v0.1.1
[INFO] [stderr]   Downloaded type-map v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.65
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.65
[INFO] [stderr]   Downloaded simplecss v0.2.0
[INFO] [stderr]   Downloaded pango-sys v0.9.1
[INFO] [stderr]   Downloaded direct3d11 v0.1.7
[INFO] [stderr]   Downloaded piet-cairo v0.1.0
[INFO] [stderr]   Downloaded intl-memoizer v0.5.0
[INFO] [stderr]   Downloaded instant v0.1.6
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded usvg v0.9.1
[INFO] [stderr]   Downloaded cairo-sys-rs v0.9.2
[INFO] [stderr]   Downloaded piet-coregraphics v0.1.1
[INFO] [stderr]   Downloaded core-text v15.0.0
[INFO] [stderr]   Downloaded tinystr v0.3.2
[INFO] [stderr]   Downloaded freetype-sys v0.11.0
[INFO] [stderr]   Downloaded harfbuzz-sys v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b799809dd412b748a00ae8cf741c19437f4521a69cf4009c4b17d36e320e5dd
[INFO] running `Command { std: "docker" "start" "-a" "0b799809dd412b748a00ae8cf741c19437f4521a69cf4009c4b17d36e320e5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b799809dd412b748a00ae8cf741c19437f4521a69cf4009c4b17d36e320e5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b799809dd412b748a00ae8cf741c19437f4521a69cf4009c4b17d36e320e5dd", kill_on_drop: false }`
[INFO] [stdout] 0b799809dd412b748a00ae8cf741c19437f4521a69cf4009c4b17d36e320e5dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+a611f2a14e38407ec6717a86a01424ee6fc80762" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e29864320f567d915b8cdbe47ca7c45f87248b4cdc7b05c83c33a91779522059
[INFO] running `Command { std: "docker" "start" "-a" "e29864320f567d915b8cdbe47ca7c45f87248b4cdc7b05c83c33a91779522059", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling cairo-rs v0.8.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking tinystr v0.3.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking unic-langid-impl v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.8.0
[INFO] [stderr]    Compiling pango v0.8.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling gdk v0.12.1
[INFO] [stderr]    Compiling atk v0.8.0
[INFO] [stderr]    Compiling gtk v0.8.1
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking kurbo v0.6.2
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking xi-unicode v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking unic-langid v0.9.0
[INFO] [stderr]     Checking type-map v0.3.0
[INFO] [stderr]     Checking xmlparser v0.13.2
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking intl_pluralrules v7.0.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking fluent-langneg v0.13.0
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking fluent-syntax v0.9.3
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.1
[INFO] [stderr]    Compiling pango-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.9.1
[INFO] [stderr]    Compiling atk-sys v0.9.1
[INFO] [stderr]    Compiling gtk-sys v0.9.2
[INFO] [stderr]     Checking piet v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking roxmltree v0.11.0
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking intl-memoizer v0.5.0
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking unicode-script v0.5.2
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]    Compiling freetype-sys v0.11.0
[INFO] [stderr]    Compiling harfbuzz-sys v0.4.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking freetype v0.5.1
[INFO] [stderr]     Checking harfbuzz_rs v1.2.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking usvg v0.9.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling druid-derive v0.3.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.16
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.9.3
[INFO] [stderr]     Checking rental v0.5.5
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rental-0.5.5/src/lib.rs:93:12
[INFO] [stdout]     |
[INFO] [stdout]  93 |         #[derive(__rental_traits)]
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     define_rental_traits!(32);
[INFO] [stdout]     |     ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: expected suffix ").0," not found in "#[allow(unused)] enum ProceduralMasqueradeDummyType\n{ Input = (0, stringify! (32)).0 }"
[INFO] [stdout]     = note: this error originates in the macro `define_rental_traits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rental-0.5.5/src/lib.rs:257:13
[INFO] [stdout]     |
[INFO] [stdout] 257 |               #[derive(__rental_structs_and_impls)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 285 | / rental! {
[INFO] [stdout] 286 | |     /// Example types that demonstrate the API generated by the rental macro.
[INFO] [stdout] 287 | |     pub mod examples {
[INFO] [stdout] 288 | |         use std::sync;
[INFO] [stdout] ...   |
[INFO] [stdout] 346 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: expected suffix ").0," not found in "#[allow(unused)] enum ProceduralMasqueradeDummyType\n{\n    Input =\n    (0, stringify!\n    (use std::sync;\n    #[doc =\n    r\" The simplest shared rental. The head is a boxed integer, and the suffix is a ref to that integer. This struct demonstrates the basic API that all shared rental structs have. See [`SimpleMut`](struct.SimpleMut.html) for the mutable analog.\"]\n    #[rental] pub struct SimpleRef { head: Box<i32>, iref: &'head i32, }\n    #[doc =\n    r\" The simplest mutable rental. Mutable rentals have a slightly different API; compare this struct to [`SimpleRef`](struct.SimpleRef.html) for the clearest picture of how they differ.\"]\n    #[rental_mut] pub struct SimpleMut\n    { head: Box<i32>, iref: &'head mut i32, }\n    #[doc =\n    r\" Identical to [`SimpleRef`](struct.SimpleRef.html), but with the `debug` flag enabled. This will provide a `Debug` impl for the struct as long as all of the fields are `Debug`.\"]\n    #[rental(debug)] pub struct SimpleRefDebug\n    { head: Box<i32>, iref: &'head i32, }\n    #[doc =\n    r\" Similar to [`SimpleRef`](struct.SimpleRef.html), but with the `clone` flag enabled. This will provide a `Clone` impl for the struct as long as the prefix fields are `CloneStableDeref` and the suffix is `Clone` . Notice that the head is an `Arc`, since a clone of an `Arc` will deref to the same object as the original.\"]\n    #[rental(clone)] pub struct SimpleRefClone\n    { head: sync::Arc<i32>, iref: &'head i32, }\n    #[doc =\n    r\" Identical to [`SimpleRef`](struct.SimpleRef.html), but with the `deref_suffix` flag enabled. This will provide a `Deref` impl for the struct, which will in turn deref the suffix. Notice that this flag also removes the `self` param from all methods, replacing it with an explicit param. This prevents any rental methods from blocking deref.\"]\n    #[rental(deref_suffix)] pub struct SimpleRefDeref\n    { head: Box<i32>, iref: &'head i32, }\n    #[doc =\n    r\" Identical to [`SimpleMut`](struct.SimpleMut.html), but with the `deref_mut_suffix` flag enabled. This will provide a `DerefMut` impl for the struct, which will in turn deref the suffix.Notice that this flag also removes the `self` param from all methods, replacing it with an explicit param. This prevents any rental methods from blocking deref.\"]\n    #[rental_mut(deref_mut_suffix)] pub struct SimpleMutDeref\n    { head: Box<i32>, iref: &'head mut i32, }\n    #[doc =\n    r\" Identical to [`SimpleRef`](struct.SimpleRef.html), but with the `covariant` flag enabled. For rental structs where the field types have covariant lifetimes, this will allow you to directly borrow the fields, as they can be safely reborrowed to a shorter lifetime. See the [`all`](struct.SimpleRefCovariant.html#method.all) and [`suffix`](struct.SimpleRefCovariant.html#method.suffix) methods.\"]\n    #[rental(covariant)] pub struct SimpleRefCovariant\n    { head: Box<i32>, iref: &'head i32, }\n    #[doc =\n    r\" Identical to [`SimpleRef`](struct.SimpleRef.html), but with the `map_suffix` flag enabled. This will allow the type of the suffix to be changed by mapping it to another instantiation of the same struct with the different type param. See the [`map`](struct.SimpleRefMap.html#method.map), [`try_map`](struct.SimpleRefMap.html#method.try_map), and [`try_map_or_drop`](struct.SimpleRefMap.html#method.try_map_or_drop) methods.\"]\n    #[rental(map_suffix = \"T\")] pub struct SimpleRefMap<T: 'static>\n    { head: Box<i32>, iref: &'head T, })).0\n}"
[INFO] [stdout]     = note: this error originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rental-0.5.5/src/lib.rs:257:13
[INFO] [stdout]     |
[INFO] [stdout] 257 |               #[derive(__rental_structs_and_impls)]
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 | / rental! {
[INFO] [stdout] 351 | |     /// Premade types for the most common use cases.
[INFO] [stdout] 352 | |     pub mod common {
[INFO] [stdout] 353 | |         use std::ops::DerefMut;
[INFO] [stdout] ...   |
[INFO] [stdout] 485 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: expected suffix ").0," not found in "#[allow(unused)] enum ProceduralMasqueradeDummyType\n{\n    Input =\n    (0, stringify!\n    (use std::ops::DerefMut; use stable_deref_trait::StableDeref; use\n    std::cell; use std::sync;\n    #[doc = r\" Stores an owner and a shared reference in the same struct.\"]\n    #[doc = r\"\"] #[doc = r\" ```rust\"] #[doc = r\" # extern crate rental;\"]\n    #[doc = r\" # use rental::common::RentRef;\"] #[doc = r\" # fn main() {\"]\n    #[doc = r\" let r = RentRef::new(Box::new(5), |i| &*i);\"]\n    #[doc = r\" assert_eq!(*r, RentRef::rent(&r, |iref| **iref));\"]\n    #[doc = r\" # }\"] #[doc = r\" ```\"]\n    #[rental(debug, clone, deref_suffix, covariant, map_suffix = \"T\")] pub\n    struct RentRef<H: 'static + StableDeref, T: 'static>\n    { head: H, suffix: &'head T, }\n    #[doc = r\" Stores an owner and a mutable reference in the same struct.\"]\n    #[doc = r\"\"] #[doc = r\" ```rust\"] #[doc = r\" # extern crate rental;\"]\n    #[doc = r\" # use rental::common::RentMut;\"] #[doc = r\" # fn main() {\"]\n    #[doc = r\" let mut r = RentMut::new(Box::new(5), |i| &mut *i);\"]\n    #[doc = r\" *r = 12;\"]\n    #[doc = r\" assert_eq!(12, RentMut::rent(&mut r, |iref| **iref));\"]\n    #[doc = r\" # }\"] #[doc = r\" ```\"]\n    #[rental_mut(debug, deref_mut_suffix, covariant, map_suffix = \"T\")] pub\n    struct RentMut<H: 'static + StableDeref + DerefMut, T: 'static>\n    { head: H, suffix: &'head mut T, }\n    #[doc = r\" Stores a `RefCell` and a `Ref` in the same struct.\"]\n    #[doc = r\"\"] #[doc = r\" ```rust\"] #[doc = r\" # extern crate rental;\"]\n    #[doc = r\" # use rental::common::RentRefCell;\"] #[doc = r\" # fn main() {\"]\n    #[doc = r\" use std::cell;\"] #[doc = r\"\"]\n    #[doc =\n    r\" let r = RentRefCell::new(Box::new(cell::RefCell::new(5)), |c| c.borrow());\"]\n    #[doc = r\" assert_eq!(*r, RentRefCell::rent(&r, |c| **c));\"]\n    #[doc = r\" # }\"] #[doc = r\" ```\"]\n    #[rental(debug, clone, deref_suffix, covariant, map_suffix = \"T\")] pub\n    struct RentRefCell<H: 'static + StableDeref, T: 'static>\n    { head: H, suffix: cell::Ref<'head, T>, }\n    #[doc = r\" Stores a `RefCell` and a `RefMut` in the same struct.\"]\n    #[doc = r\"\"] #[doc = r\" ```rust\"] #[doc = r\" # extern crate rental;\"]\n    #[doc = r\" # use rental::common::RentRefCellMut;\"]\n    #[doc = r\" # fn main() {\"] #[doc = r\" use std::cell;\"] #[doc = r\"\"]\n    #[doc =\n    r\" let mut r = RentRefCellMut::new(Box::new(cell::RefCell::new(5)), |c| c.borrow_mut());\"]\n    #[doc = r\" *r = 12;\"]\n    #[doc = r\" assert_eq!(12, RentRefCellMut::rent(&r, |c| **c));\"]\n    #[doc = r\" # }\"] #[doc = r\" ```\"]\n    #[rental_mut(debug, deref_mut_suffix, covariant, map_suffix = \"T\")] pub\n    struct RentRefCellMut<H: 'static + StableDeref + DerefMut, T: 'static>\n    { head: H, suffix: cell::RefMut<'head, T>, }\n    #[doc = r\" Stores a `Mutex` and a `MutexGuard` in the same struct.\"]\n    #[doc = r\"\"] #[doc = r\" ```rust\"] #[doc = r\" # extern crate rental;\"]\n    #[doc = r\" # use rental::common::RentMutex;\"] #[doc = r\" # fn main() {\"]\n    #[doc = r\" use std::sync;\"] #[doc = r\"\"]\n    #[doc =\n    r\" let mut r = RentMutex::new(Box::new(sync::Mutex::new(5)), |c| c.lock().unwrap());\"]\n    #[doc = r\" *r = 12;\"]\n    #[doc = r\" assert_eq!(12, RentMutex::rent(&r, |c| **c));\"]\n    #[doc = r\" # }\"] #[doc = r\" ```\"]\n    #[rental(debug, clone, deref_mut_suffix, covariant, map_suffix = \"T\")] pub\n    struct RentMutex<H: 'static + StableDeref + DerefMut, T: 'static>\n    { head: H, suffix: sync::MutexGuard<'head, T>, }\n    #[doc =\n    r\" Stores an `RwLock` and an `RwLockReadGuard` in the same struct.\"]\n    #[doc = r\"\"] #[doc = r\" ```rust\"] #[doc = r\" # extern crate rental;\"]\n    #[doc = r\" # use rental::common::RentRwLock;\"] #[doc = r\" # fn main() {\"]\n    #[doc = r\" use std::sync;\"] #[doc = r\"\"]\n    #[doc =\n    r\" let r = RentRwLock::new(Box::new(sync::RwLock::new(5)), |c| c.read().unwrap());\"]\n    #[doc = r\" assert_eq!(*r, RentRwLock::rent(&r, |c| **c));\"]\n    #[doc = r\" # }\"] #[doc = r\" ```\"]\n    #[rental(debug, clone, deref_suffix, covariant, map_suffix = \"T\")] pub\n    struct RentRwLock<H: 'static + StableDeref, T: 'static>\n    { head: H, suffix: sync::RwLockReadGuard<'head, T>, }\n    #[doc =\n    r\" Stores an `RwLock` and an `RwLockWriteGuard` in the same struct.\"]\n    #[doc = r\"\"] #[doc = r\" ```rust\"] #[doc = r\" # extern crate rental;\"]\n    #[doc = r\" # use rental::common::RentRwLockMut;\"]\n    #[doc = r\" # fn main() {\"] #[doc = r\" use std::sync;\"] #[doc = r\"\"]\n    #[doc =\n    r\" let mut r = RentRwLockMut::new(Box::new(sync::RwLock::new(5)), |c| c.write().unwrap());\"]\n    #[doc = r\" *r = 12;\"]\n    #[doc = r\" assert_eq!(12, RentRwLockMut::rent(&r, |c| **c));\"]\n    #[doc = r\" # }\"] #[doc = r\" ```\"]\n    #[rental(debug, clone, deref_mut_suffix, covariant, map_suffix = \"T\")] pub\n    struct RentRwLockMut<H: 'static + StableDeref, T: 'static>\n    { head: H, suffix: sync::RwLockWriteGuard<'head, T>, })).0\n}"
[INFO] [stdout]     = note: this error originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rental` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e29864320f567d915b8cdbe47ca7c45f87248b4cdc7b05c83c33a91779522059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29864320f567d915b8cdbe47ca7c45f87248b4cdc7b05c83c33a91779522059", kill_on_drop: false }`
[INFO] [stdout] e29864320f567d915b8cdbe47ca7c45f87248b4cdc7b05c83c33a91779522059
