[INFO] fetching crate viewport 0.0.0...
[INFO] checking viewport-0.0.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate viewport 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate viewport 0.0.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35532c986542bbb646ffcc9bffde419eb7fc1b5d7920f3081076d5213edd6cfe
[INFO] running `Command { std: "docker" "start" "-a" "35532c986542bbb646ffcc9bffde419eb7fc1b5d7920f3081076d5213edd6cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35532c986542bbb646ffcc9bffde419eb7fc1b5d7920f3081076d5213edd6cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35532c986542bbb646ffcc9bffde419eb7fc1b5d7920f3081076d5213edd6cfe", kill_on_drop: false }`
[INFO] [stdout] 35532c986542bbb646ffcc9bffde419eb7fc1b5d7920f3081076d5213edd6cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 436114a4b849d3e33b6e479098f5de99af55378731b0a1697673cb8597b2ad05
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "436114a4b849d3e33b6e479098f5de99af55378731b0a1697673cb8597b2ad05", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "436114a4b849d3e33b6e479098f5de99af55378731b0a1697673cb8597b2ad05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436114a4b849d3e33b6e479098f5de99af55378731b0a1697673cb8597b2ad05", kill_on_drop: false }`
[INFO] [stdout] 436114a4b849d3e33b6e479098f5de99af55378731b0a1697673cb8597b2ad05