[INFO] fetching crate composition 0.1.0...
[INFO] testing composition-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate composition 0.1.0 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate composition 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate composition 0.1.0
[INFO] finished tweaking crates.io crate composition 0.1.0
[INFO] tweaked toml for crates.io crate composition 0.1.0 written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate crates.io crate composition 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.6.0
[INFO] [stderr]   Downloaded radix64 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e1ac1c1d115a3f234da3ddd3eb5af2bd5c1c221229df43587e0da0c0ef5d8d9
[INFO] running `Command { std: "docker" "start" "-a" "1e1ac1c1d115a3f234da3ddd3eb5af2bd5c1c221229df43587e0da0c0ef5d8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e1ac1c1d115a3f234da3ddd3eb5af2bd5c1c221229df43587e0da0c0ef5d8d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1ac1c1d115a3f234da3ddd3eb5af2bd5c1c221229df43587e0da0c0ef5d8d9", kill_on_drop: false }`
[INFO] [stdout] 1e1ac1c1d115a3f234da3ddd3eb5af2bd5c1c221229df43587e0da0c0ef5d8d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ad93b21c9d5876ad4c2d8d6404899e27a308c25f09df10aa2b4da48ba36f553
[INFO] running `Command { std: "docker" "start" "-a" "3ad93b21c9d5876ad4c2d8d6404899e27a308c25f09df10aa2b4da48ba36f553", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.7.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling radix64 v0.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.9
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling fern v0.6.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling ctrlc v3.1.8
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling composition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]  --> src/entity/player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     position: Location,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display_name`
[INFO] [stdout]  --> src/entity/player.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     display_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `connection`
[INFO] [stdout]  --> src/entity/player.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     connection: NetworkClient,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.67s
[INFO] running `Command { std: "docker" "inspect" "3ad93b21c9d5876ad4c2d8d6404899e27a308c25f09df10aa2b4da48ba36f553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad93b21c9d5876ad4c2d8d6404899e27a308c25f09df10aa2b4da48ba36f553", kill_on_drop: false }`
[INFO] [stdout] 3ad93b21c9d5876ad4c2d8d6404899e27a308c25f09df10aa2b4da48ba36f553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ead3a6aa29f79e9086b61e4650cee91b4d94e6b2e10ca04ce86a0938e364ca7
[INFO] running `Command { std: "docker" "start" "-a" "3ead3a6aa29f79e9086b61e4650cee91b4d94e6b2e10ca04ce86a0938e364ca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling composition v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]  --> src/entity/player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     position: Location,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display_name`
[INFO] [stdout]  --> src/entity/player.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     display_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `connection`
[INFO] [stdout]  --> src/entity/player.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     connection: NetworkClient,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]  --> src/entity/player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     position: Location,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display_name`
[INFO] [stdout]  --> src/entity/player.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     display_name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `connection`
[INFO] [stdout]  --> src/entity/player.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     connection: NetworkClient,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "3ead3a6aa29f79e9086b61e4650cee91b4d94e6b2e10ca04ce86a0938e364ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ead3a6aa29f79e9086b61e4650cee91b4d94e6b2e10ca04ce86a0938e364ca7", kill_on_drop: false }`
[INFO] [stdout] 3ead3a6aa29f79e9086b61e4650cee91b4d94e6b2e10ca04ce86a0938e364ca7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 813b39eef7067904839e0d1cff298088dfb5bbd0b1229debc29f1a43b2218e9c
[INFO] running `Command { std: "docker" "start" "-a" "813b39eef7067904839e0d1cff298088dfb5bbd0b1229debc29f1a43b2218e9c", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `position`
[INFO] [stderr]  --> src/entity/player.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     position: Location,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `display_name`
[INFO] [stderr]  --> src/entity/player.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     display_name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `connection`
[INFO] [stderr]  --> src/entity/player.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     connection: NetworkClient,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `composition` (lib) generated 3 warnings
[INFO] [stderr] warning: `composition` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/composition-050129fb6165f504)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/composition-d42f76549118da8b)
[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] [stderr]    Doc-tests composition
[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" "813b39eef7067904839e0d1cff298088dfb5bbd0b1229debc29f1a43b2218e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813b39eef7067904839e0d1cff298088dfb5bbd0b1229debc29f1a43b2218e9c", kill_on_drop: false }`
[INFO] [stdout] 813b39eef7067904839e0d1cff298088dfb5bbd0b1229debc29f1a43b2218e9c