[INFO] updating cached repository https://github.com/twilco/kosmonaut
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/twilco/kosmonaut
[INFO] [stderr]    fa57513..0d17c9c  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d17c9cc48b702684e3d5b119d06a95b8b234fc7
[INFO] checking twilco/kosmonaut against try#662bf71cc5bbfe44a109ab5b7205e12ec319754c for pr-67531
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwilco%2Fkosmonaut" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twilco/kosmonaut on toolchain 662bf71cc5bbfe44a109ab5b7205e12ec319754c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/twilco/kosmonaut
[INFO] finished tweaking git repo https://github.com/twilco/kosmonaut
[INFO] tweaked toml for git repo https://github.com/twilco/kosmonaut written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/twilco/kosmonaut already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8e197521832851303911709aed6e2e88b1fff23726b0fe28e544149df164efe5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "8e197521832851303911709aed6e2e88b1fff23726b0fe28e544149df164efe5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]    Compiling gdk v0.11.0
[INFO] [stderr]    Compiling derive_builder v0.8.1
[INFO] [stderr]    Compiling gtk v0.7.0
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking smallbitvec v2.4.0
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling pango-sys v0.9.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.9.0
[INFO] [stderr]    Compiling gdk-sys v0.9.0
[INFO] [stderr]    Compiling atk-sys v0.9.0
[INFO] [stderr]    Compiling gtk-sys v0.9.0
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling cssparser v0.25.8
[INFO] [stderr]    Compiling html5ever v0.24.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]    Compiling atk v0.7.0
[INFO] [stderr]    Compiling pango v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.7.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.0
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking glib v0.8.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking app_units v0.7.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.8.1
[INFO] [stderr]     Checking kosmonaut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `margin_left`
[INFO] [stderr]    --> src/layout/mod.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let margin_left = cvs.margin_left;
[INFO] [stderr]     |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_margin_left`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `margin_right`
[INFO] [stderr]    --> src/layout/mod.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let margin_right = cvs.margin_right;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_margin_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `padding_left`
[INFO] [stderr]    --> src/layout/mod.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |         let padding_left = cvs.padding_left;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_padding_left`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `padding_right`
[INFO] [stderr]    --> src/layout/mod.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let padding_right = cvs.padding_right;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_padding_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `containing_block`
[INFO] [stderr]    --> src/layout/mod.rs:158:41
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn calculate_block_width(&mut self, containing_block: Dimensions) {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_containing_block`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `margin_left`
[INFO] [stderr]    --> src/layout/mod.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let margin_left = cvs.margin_left;
[INFO] [stderr]     |             ^^^^^^^^^^^ help: consider prefixing with an underscore: `_margin_left`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `margin_right`
[INFO] [stderr]    --> src/layout/mod.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let margin_right = cvs.margin_right;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_margin_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `padding_left`
[INFO] [stderr]    --> src/layout/mod.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |         let padding_left = cvs.padding_left;
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_padding_left`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `padding_right`
[INFO] [stderr]    --> src/layout/mod.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let padding_right = cvs.padding_right;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_padding_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `containing_block`
[INFO] [stderr]    --> src/layout/mod.rs:158:41
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn calculate_block_width(&mut self, containing_block: Dimensions) {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_containing_block`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `layout`
[INFO] [stderr]    --> src/layout/mod.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn layout(&mut self, containing_block: Dimensions) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `layout_block`
[INFO] [stderr]    --> src/layout/mod.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn layout_block(&mut self, containing_block: Dimensions) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calculate_block_width`
[INFO] [stderr]    --> src/layout/mod.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn calculate_block_width(&mut self, containing_block: Dimensions) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calculate_block_height`
[INFO] [stderr]    --> src/layout/mod.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn calculate_block_height(&mut self) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calculate_block_position`
[INFO] [stderr]    --> src/layout/mod.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     fn calculate_block_position(&mut self, _containing_block: Dimensions) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `layout_block_children`
[INFO] [stderr]    --> src/layout/mod.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn layout_block_children(&mut self) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_zero`
[INFO] [stderr]   --> src/style/values/specified/length.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn is_zero(self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `layout`
[INFO] [stderr]    --> src/layout/mod.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     fn layout(&mut self, containing_block: Dimensions) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `layout_block`
[INFO] [stderr]    --> src/layout/mod.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn layout_block(&mut self, containing_block: Dimensions) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calculate_block_width`
[INFO] [stderr]    --> src/layout/mod.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn calculate_block_width(&mut self, containing_block: Dimensions) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calculate_block_height`
[INFO] [stderr]    --> src/layout/mod.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn calculate_block_height(&mut self) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calculate_block_position`
[INFO] [stderr]    --> src/layout/mod.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     fn calculate_block_position(&mut self, _containing_block: Dimensions) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `layout_block_children`
[INFO] [stderr]    --> src/layout/mod.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn layout_block_children(&mut self) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_zero`
[INFO] [stderr]   --> src/style/values/specified/length.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn is_zero(self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 53s
[INFO] running `"docker" "inspect" "8e197521832851303911709aed6e2e88b1fff23726b0fe28e544149df164efe5"`
[INFO] running `"docker" "rm" "-f" "8e197521832851303911709aed6e2e88b1fff23726b0fe28e544149df164efe5"`
[INFO] [stdout] 8e197521832851303911709aed6e2e88b1fff23726b0fe28e544149df164efe5