[INFO] fetching crate gray 0.1.0...
[INFO] testing gray-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate gray 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate gray 0.1.0
[INFO] finished tweaking crates.io crate gray 0.1.0
[INFO] tweaked toml for crates.io crate gray 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gray 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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_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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 604ef8a75068e7415afdda31efca13d539f9ca873c337b2420120925248687ec
[INFO] running `Command { std: "docker" "start" "-a" "604ef8a75068e7415afdda31efca13d539f9ca873c337b2420120925248687ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "604ef8a75068e7415afdda31efca13d539f9ca873c337b2420120925248687ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604ef8a75068e7415afdda31efca13d539f9ca873c337b2420120925248687ec", kill_on_drop: false }`
[INFO] [stdout] 604ef8a75068e7415afdda31efca13d539f9ca873c337b2420120925248687ec
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f677886117f7c9c58c0d49255dd58a971af1cf24eae513f76d3010b4e383ac7b
[INFO] running `Command { std: "docker" "start" "-a" "f677886117f7c9c58c0d49255dd58a971af1cf24eae513f76d3010b4e383ac7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling gray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `new_app` is never used
[INFO] [stdout]   --> src/cli.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn new_app(name:String,authors:Vec<String>)-> App{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "f677886117f7c9c58c0d49255dd58a971af1cf24eae513f76d3010b4e383ac7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f677886117f7c9c58c0d49255dd58a971af1cf24eae513f76d3010b4e383ac7b", kill_on_drop: false }`
[INFO] [stdout] f677886117f7c9c58c0d49255dd58a971af1cf24eae513f76d3010b4e383ac7b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a12d65acd9fd7f609a054e10dd6601330cb125a4fc10a32dfbe0a602a7c7be7
[INFO] running `Command { std: "docker" "start" "-a" "6a12d65acd9fd7f609a054e10dd6601330cb125a4fc10a32dfbe0a602a7c7be7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `new_app` is never used
[INFO] [stdout]   --> src/cli.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn new_app(name:String,authors:Vec<String>)-> App{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_app` is never used
[INFO] [stdout]   --> src/cli.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn new_app(name:String,authors:Vec<String>)-> App{
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "6a12d65acd9fd7f609a054e10dd6601330cb125a4fc10a32dfbe0a602a7c7be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a12d65acd9fd7f609a054e10dd6601330cb125a4fc10a32dfbe0a602a7c7be7", kill_on_drop: false }`
[INFO] [stdout] 6a12d65acd9fd7f609a054e10dd6601330cb125a4fc10a32dfbe0a602a7c7be7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c9a7cb5e08d3ff9977c4ff41977709f92652ae990fcfd3a6713bcb8b8dd6d630
[INFO] running `Command { std: "docker" "start" "-a" "c9a7cb5e08d3ff9977c4ff41977709f92652ae990fcfd3a6713bcb8b8dd6d630", kill_on_drop: false }`
[INFO] [stderr] warning: function `new_app` is never used
[INFO] [stderr]   --> src/cli.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn new_app(name:String,authors:Vec<String>)-> App{
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gray` (lib) generated 1 warning
[INFO] [stderr] warning: `gray` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gray-b91105c3a9892f7e)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::application ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gray
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c9a7cb5e08d3ff9977c4ff41977709f92652ae990fcfd3a6713bcb8b8dd6d630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a7cb5e08d3ff9977c4ff41977709f92652ae990fcfd3a6713bcb8b8dd6d630", kill_on_drop: false }`
[INFO] [stdout] c9a7cb5e08d3ff9977c4ff41977709f92652ae990fcfd3a6713bcb8b8dd6d630