[INFO] fetching crate viewport 0.0.0...
[INFO] testing viewport-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate viewport 0.0.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate viewport 0.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate viewport 0.0.0
[INFO] finished tweaking crates.io crate viewport 0.0.0
[INFO] tweaked toml for crates.io crate viewport 0.0.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b42c9d08777426fca24382926c88bad4a17ff2428359813c2ce831eeb79a7b8
[INFO] running `Command { std: "docker" "start" "-a" "6b42c9d08777426fca24382926c88bad4a17ff2428359813c2ce831eeb79a7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b42c9d08777426fca24382926c88bad4a17ff2428359813c2ce831eeb79a7b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b42c9d08777426fca24382926c88bad4a17ff2428359813c2ce831eeb79a7b8", kill_on_drop: false }`
[INFO] [stdout] 6b42c9d08777426fca24382926c88bad4a17ff2428359813c2ce831eeb79a7b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d9b227bb90a23764e06e64555b568ab9e1df9742708770a003c1fc24baa2eaa
[INFO] running `Command { std: "docker" "start" "-a" "8d9b227bb90a23764e06e64555b568ab9e1df9742708770a003c1fc24baa2eaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling viewport v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Size`
[INFO] [stdout]  --> src/buffer.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Size,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "8d9b227bb90a23764e06e64555b568ab9e1df9742708770a003c1fc24baa2eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d9b227bb90a23764e06e64555b568ab9e1df9742708770a003c1fc24baa2eaa", kill_on_drop: false }`
[INFO] [stdout] 8d9b227bb90a23764e06e64555b568ab9e1df9742708770a003c1fc24baa2eaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cdebdb8518701923a6d89a9f1e7718cbf2da28c4d54f7f154642ae38f035a29
[INFO] running `Command { std: "docker" "start" "-a" "7cdebdb8518701923a6d89a9f1e7718cbf2da28c4d54f7f154642ae38f035a29", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `Size`
[INFO] [stdout]  --> src/buffer.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Size,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling viewport v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Size`
[INFO] [stdout]  --> src/buffer.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Size,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "7cdebdb8518701923a6d89a9f1e7718cbf2da28c4d54f7f154642ae38f035a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdebdb8518701923a6d89a9f1e7718cbf2da28c4d54f7f154642ae38f035a29", kill_on_drop: false }`
[INFO] [stdout] 7cdebdb8518701923a6d89a9f1e7718cbf2da28c4d54f7f154642ae38f035a29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f67038b8efa3d943c2a136d63035eb840b737c26af268e41b69f8d9788af298
[INFO] running `Command { std: "docker" "start" "-a" "8f67038b8efa3d943c2a136d63035eb840b737c26af268e41b69f8d9788af298", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `Size`
[INFO] [stderr]  --> src/buffer.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         Size,
[INFO] [stderr]   |         ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `viewport` (lib) generated 1 warning
[INFO] [stderr] warning: `viewport` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/viewport-4d3644f3956c6a13)
[INFO] [stderr]    Doc-tests viewport
[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] [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" "8f67038b8efa3d943c2a136d63035eb840b737c26af268e41b69f8d9788af298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f67038b8efa3d943c2a136d63035eb840b737c26af268e41b69f8d9788af298", kill_on_drop: false }`
[INFO] [stdout] 8f67038b8efa3d943c2a136d63035eb840b737c26af268e41b69f8d9788af298