[INFO] cloning repository https://github.com/obox-systems/formatter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obox-systems/formatter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobox-systems%2Fformatter", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fcf6cf3a79dcc7bc56ed10ae0f102ba7030a04f
[INFO] building obox-systems/formatter against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobox-systems%2Fformatter" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/obox-systems/formatter
[INFO] finished tweaking git repo https://github.com/obox-systems/formatter
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[INFO] validating manifest of git repo https://github.com/obox-systems/formatter on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
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[INFO] [stdout] warning: unused import: `ident::Ident`
[INFO] [stdout]  --> src/plugins.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use ident::Ident;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `negative` is never used
[INFO] [stdout]  --> src/core.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) trait Plugin {
[INFO] [stdout]   |                  ------ associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 9 |     fn negative() -> Vec<&'static str> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ident` is never constructed
[INFO] [stdout]  --> src/plugins/ident.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ident {}
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.47s
[INFO] running `Command { std: "docker" "inspect" "c403c4705cbccb924f394d91cb70fc97532106b01603cca3edf8c55a665c3e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c403c4705cbccb924f394d91cb70fc97532106b01603cca3edf8c55a665c3e2a", kill_on_drop: false }`
[INFO] [stdout] c403c4705cbccb924f394d91cb70fc97532106b01603cca3edf8c55a665c3e2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99e8bf6a0d4dab3329ad34fca20806b00fdc41c2ee48bc2c27f0e708b138f847
[INFO] running `Command { std: "docker" "start" "-a" "99e8bf6a0d4dab3329ad34fca20806b00fdc41c2ee48bc2c27f0e708b138f847", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `ident::Ident`
[INFO] [stdout]  --> src/plugins.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use ident::Ident;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `negative` is never used
[INFO] [stdout]  --> src/core.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) trait Plugin {
[INFO] [stdout]   |                  ------ associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 9 |     fn negative() -> Vec<&'static str> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ident` is never constructed
[INFO] [stdout]  --> src/plugins/ident.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ident {}
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling formatter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ident::Ident`
[INFO] [stdout]  --> src/plugins.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub use ident::Ident;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `negative` is never used
[INFO] [stdout]  --> src/core.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) trait Plugin {
[INFO] [stdout]   |                  ------ associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 9 |     fn negative() -> Vec<&'static str> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ident` is never constructed
[INFO] [stdout]  --> src/plugins/ident.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Ident {}
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "99e8bf6a0d4dab3329ad34fca20806b00fdc41c2ee48bc2c27f0e708b138f847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e8bf6a0d4dab3329ad34fca20806b00fdc41c2ee48bc2c27f0e708b138f847", kill_on_drop: false }`
[INFO] [stdout] 99e8bf6a0d4dab3329ad34fca20806b00fdc41c2ee48bc2c27f0e708b138f847