[INFO] fetching crate gfx-descriptor 0.2.0...
[INFO] testing gfx-descriptor-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate gfx-descriptor 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate gfx-descriptor 0.2.0
[INFO] finished tweaking crates.io crate gfx-descriptor 0.2.0
[INFO] tweaked toml for crates.io crate gfx-descriptor 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gfx-descriptor 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding gfx-hal v0.6.0 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49f18fd41f37b44eaa865d3c3ed1653d5a33035432d6fca7613497a907ea4225
[INFO] running `Command { std: "docker" "start" "-a" "49f18fd41f37b44eaa865d3c3ed1653d5a33035432d6fca7613497a907ea4225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49f18fd41f37b44eaa865d3c3ed1653d5a33035432d6fca7613497a907ea4225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f18fd41f37b44eaa865d3c3ed1653d5a33035432d6fca7613497a907ea4225", kill_on_drop: false }`
[INFO] [stdout] 49f18fd41f37b44eaa865d3c3ed1653d5a33035432d6fca7613497a907ea4225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc3978fd10a4f1e162919cf4bed9fdd8c49dbfeba12f58b77db7be2fe16d432a
[INFO] running `Command { std: "docker" "start" "-a" "cc3978fd10a4f1e162919cf4bed9fdd8c49dbfeba12f58b77db7be2fe16d432a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling raw-window-handle v0.4.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling gfx-hal v0.6.0
[INFO] [stderr]    Compiling gfx-descriptor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `total` is never read
[INFO] [stdout]    --> src/allocator.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct DescriptorAllocator<B: Backend> {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 238 |     total: u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DescriptorAllocator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 4.40s
[INFO] running `Command { std: "docker" "inspect" "cc3978fd10a4f1e162919cf4bed9fdd8c49dbfeba12f58b77db7be2fe16d432a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3978fd10a4f1e162919cf4bed9fdd8c49dbfeba12f58b77db7be2fe16d432a", kill_on_drop: false }`
[INFO] [stdout] cc3978fd10a4f1e162919cf4bed9fdd8c49dbfeba12f58b77db7be2fe16d432a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbe1bc41740c884dc33fa0a4053f2c0a9819c4921c12eb4c447a12b894716a52
[INFO] running `Command { std: "docker" "start" "-a" "fbe1bc41740c884dc33fa0a4053f2c0a9819c4921c12eb4c447a12b894716a52", kill_on_drop: false }`
[INFO] [stdout] warning: field `total` is never read
[INFO] [stdout]    --> src/allocator.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct DescriptorAllocator<B: Backend> {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 238 |     total: u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DescriptorAllocator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gfx-descriptor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `total` is never read
[INFO] [stdout]    --> src/allocator.rs:238:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct DescriptorAllocator<B: Backend> {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 238 |     total: u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DescriptorAllocator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 0.51s
[INFO] running `Command { std: "docker" "inspect" "fbe1bc41740c884dc33fa0a4053f2c0a9819c4921c12eb4c447a12b894716a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe1bc41740c884dc33fa0a4053f2c0a9819c4921c12eb4c447a12b894716a52", kill_on_drop: false }`
[INFO] [stdout] fbe1bc41740c884dc33fa0a4053f2c0a9819c4921c12eb4c447a12b894716a52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d334da21bd5c22102c29f6a0d2c95715e4842e6c27e956acf9590bea23562e9f
[INFO] running `Command { std: "docker" "start" "-a" "d334da21bd5c22102c29f6a0d2c95715e4842e6c27e956acf9590bea23562e9f", kill_on_drop: false }`
[INFO] [stderr] warning: field `total` is never read
[INFO] [stderr]    --> src/allocator.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 235 | pub struct DescriptorAllocator<B: Backend> {
[INFO] [stderr]     |            ------------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 238 |     total: u64,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `DescriptorAllocator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gfx-descriptor` (lib) generated 1 warning
[INFO] [stderr] warning: `gfx-descriptor` (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/gfx_descriptor-504bf97965da78d6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test counts::test_descriptor_types ... 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 gfx_descriptor
[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" "d334da21bd5c22102c29f6a0d2c95715e4842e6c27e956acf9590bea23562e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d334da21bd5c22102c29f6a0d2c95715e4842e6c27e956acf9590bea23562e9f", kill_on_drop: false }`
[INFO] [stdout] d334da21bd5c22102c29f6a0d2c95715e4842e6c27e956acf9590bea23562e9f