[INFO] fetching crate viewy 0.6.0...
[INFO] checking viewy-0.6.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate viewy 0.6.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate viewy 0.6.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate viewy 0.6.0
[INFO] finished tweaking crates.io crate viewy 0.6.0
[INFO] tweaked toml for crates.io crate viewy 0.6.0 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 markdown v0.3.0
[INFO] [stderr]   Downloaded macro-utils v0.1.3
[INFO] [stderr]   Downloaded minifier v0.0.41
[INFO] [stderr]   Downloaded lasso v0.5.1
[INFO] [stderr]   Downloaded html-escape v0.2.9
[INFO] [stderr]   Downloaded pipeline v0.5.0
[INFO] [stderr]   Downloaded codemap v0.1.3
[INFO] [stderr]   Downloaded grass v0.10.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85fc36d7f7cef648d5f6c892a8d0a340b28483a3a1be8c1a6b14d270dfae1794
[INFO] running `Command { std: "docker" "start" "-a" "85fc36d7f7cef648d5f6c892a8d0a340b28483a3a1be8c1a6b14d270dfae1794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85fc36d7f7cef648d5f6c892a8d0a340b28483a3a1be8c1a6b14d270dfae1794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fc36d7f7cef648d5f6c892a8d0a340b28483a3a1be8c1a6b14d270dfae1794", kill_on_drop: false }`
[INFO] [stdout] 85fc36d7f7cef648d5f6c892a8d0a340b28483a3a1be8c1a6b14d270dfae1794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49619e8e7f9b4f5652e3dd0ca60e25beaa75467a270deb91d21b01028407cdf1
[INFO] running `Command { std: "docker" "start" "-a" "49619e8e7f9b4f5652e3dd0ca60e25beaa75467a270deb91d21b01028407cdf1", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   phf_shared v0.9.0 (as host dependency): std
[INFO] [stderr]   rand v0.8.4: small_rng
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking beef v0.5.1
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking codemap v0.1.3
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking macro-utils v0.1.3
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking html-escape v0.2.9
[INFO] [stderr]     Checking minifier v0.0.41
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking markdown v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking lasso v0.5.1
[INFO] [stderr]    Compiling phf_generator v0.9.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling phf_macros v0.9.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking phf v0.9.0
[INFO] [stderr]     Checking grass v0.10.7
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking viewy v0.6.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/page.rs (3 fixes)
[INFO] [stderr]        Fixed src/components/avatar.rs (2 fixes)
[INFO] [stderr]        Fixed src/components/mod.rs (1 fix)
[INFO] [stderr]        Fixed src/components/titlebar.rs (1 fix)
[INFO] [stderr]        Fixed src/components/file_input.rs (2 fixes)
[INFO] [stderr]        Fixed src/components/view.rs (1 fix)
[INFO] [stderr]        Fixed src/components/textfield.rs (1 fix)
[INFO] [stderr]        Fixed src/engine/renderable.rs (2 fixes)
[INFO] [stderr]        Fixed src/theme.rs (1 fix)
[INFO] [stderr]        Fixed src/components/checkbox.rs (3 fixes)
[INFO] [stderr]        Fixed src/components/divider.rs (1 fix)
[INFO] [stderr]        Fixed src/components/button.rs (1 fix)
[INFO] [stderr]        Fixed src/components/popover.rs (1 fix)
[INFO] [stderr]        Fixed src/components/menu.rs (1 fix)
[INFO] [stdout] warning: variant is never constructed: `Dark`
[INFO] [stdout]   --> src/page.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Dark,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Light`
[INFO] [stdout]   --> src/page.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Light,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_child`
[INFO] [stdout]    --> src/components/button.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn append_child<'a, T>(&'a mut self, child: T)
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dark`
[INFO] [stdout]   --> src/page.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Dark,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Light`
[INFO] [stdout]   --> src/page.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Light,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_child`
[INFO] [stdout]    --> src/components/button.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn append_child<'a, T>(&'a mut self, child: T)
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.35s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling phf_shared v0.9.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling phf_generator v0.9.1
[INFO] [stderr]    Compiling phf_macros v0.9.0
[INFO] [stderr]     Checking phf v0.9.0
[INFO] [stderr]     Checking grass v0.10.7
[INFO] [stderr]     Checking viewy v0.6.0 (/tmp/fixit)
[INFO] [stdout] warning: variant is never constructed: `Dark`
[INFO] [stdout]   --> src/page.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Dark,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Light`
[INFO] [stdout]   --> src/page.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Light,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_child`
[INFO] [stdout]    --> src/components/button.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn append_child<'a, T>(&'a mut self, child: T)
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dark`
[INFO] [stdout]   --> src/page.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Dark,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Light`
[INFO] [stdout]   --> src/page.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Light,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append_child`
[INFO] [stdout]    --> src/components/button.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn append_child<'a, T>(&'a mut self, child: T)
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.90s
[INFO] running `Command { std: "docker" "inspect" "49619e8e7f9b4f5652e3dd0ca60e25beaa75467a270deb91d21b01028407cdf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49619e8e7f9b4f5652e3dd0ca60e25beaa75467a270deb91d21b01028407cdf1", kill_on_drop: false }`
[INFO] [stdout] 49619e8e7f9b4f5652e3dd0ca60e25beaa75467a270deb91d21b01028407cdf1