[INFO] cloning repository https://github.com/fabianboesiger/strata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabianboesiger/strata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianboesiger%2Fstrata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianboesiger%2Fstrata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e67644d4bb3aa0f13faf57fc0f69b9e4b1b98f7
[INFO] checking fabianboesiger/strata against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianboesiger%2Fstrata" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabianboesiger/strata on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fabianboesiger/strata
[INFO] finished tweaking git repo https://github.com/fabianboesiger/strata
[INFO] tweaked toml for git repo https://github.com/fabianboesiger/strata written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/fabianboesiger/strata already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1cf03bdbd36efbcc03e488d3e8f44f5f12606a69a43d5bd28edc3c4c5d574af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f1cf03bdbd36efbcc03e488d3e8f44f5f12606a69a43d5bd28edc3c4c5d574af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1cf03bdbd36efbcc03e488d3e8f44f5f12606a69a43d5bd28edc3c4c5d574af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1cf03bdbd36efbcc03e488d3e8f44f5f12606a69a43d5bd28edc3c4c5d574af", kill_on_drop: false }`
[INFO] [stdout] f1cf03bdbd36efbcc03e488d3e8f44f5f12606a69a43d5bd28edc3c4c5d574af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0edfad688e333387f3dc2d9fb06bb62af7ac4fe93d4c031fd4474512159c3bee
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0edfad688e333387f3dc2d9fb06bb62af7ac4fe93d4c031fd4474512159c3bee", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
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[INFO] [stdout] warning: unused import: `Vector`
[INFO] [stdout]  --> src/operator/colors.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Vector,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `iter::FromIterator`, `max`, `min`
[INFO] [stdout]   --> src/operator/colors.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     cmp::{
[INFO] [stdout] 10 |         min,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 11 |         max,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::*`
[INFO] [stdout]   --> src/operator/colors.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Vector`
[INFO] [stdout]  --> src/operator/colors.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Vector,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `iter::FromIterator`, `max`, `min`
[INFO] [stdout]   --> src/operator/colors.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  |     iter::FromIterator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9  |     cmp::{
[INFO] [stdout] 10 |         min,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 11 |         max,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::*`
[INFO] [stdout]   --> src/operator/colors.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/operator/join.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     .map(|(i, layer)| {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/operator/join.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |                     .map(|(i, layer)| {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/operator/colors.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn apply(&self, mut view: View) -> error::Result<View> {
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Open`
[INFO] [stdout]   --> src/app/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Open
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `open_button`
[INFO] [stdout]    --> src/app/mod.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     open_button: button::State,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/operator/colors.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn apply(&self, mut view: View) -> error::Result<View> {
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Open`
[INFO] [stdout]   --> src/app/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Open
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `open_button`
[INFO] [stdout]    --> src/app/mod.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     open_button: button::State,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 02s
[INFO] running `Command { std: "docker" "inspect" "0edfad688e333387f3dc2d9fb06bb62af7ac4fe93d4c031fd4474512159c3bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0edfad688e333387f3dc2d9fb06bb62af7ac4fe93d4c031fd4474512159c3bee", kill_on_drop: false }`
[INFO] [stdout] 0edfad688e333387f3dc2d9fb06bb62af7ac4fe93d4c031fd4474512159c3bee