[INFO] fetching crate trajectory 0.0.2...
[INFO] testing trajectory-0.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate trajectory 0.0.2 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate trajectory 0.0.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trajectory 0.0.2
[INFO] finished tweaking crates.io crate trajectory 0.0.2
[INFO] tweaked toml for crates.io crate trajectory 0.0.2 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate trajectory 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b15040d7931ce3545867f14094960f3f4ad02f80b7a3dfce62c1b85b0f188adc
[INFO] running `Command { std: "docker" "start" "-a" "b15040d7931ce3545867f14094960f3f4ad02f80b7a3dfce62c1b85b0f188adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b15040d7931ce3545867f14094960f3f4ad02f80b7a3dfce62c1b85b0f188adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15040d7931ce3545867f14094960f3f4ad02f80b7a3dfce62c1b85b0f188adc", kill_on_drop: false }`
[INFO] [stdout] b15040d7931ce3545867f14094960f3f4ad02f80b7a3dfce62c1b85b0f188adc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01ef2d657ac3eacbc36c76482435d4c3ab96394fb03be6ae72ff3a2b5825b182
[INFO] running `Command { std: "docker" "start" "-a" "01ef2d657ac3eacbc36c76482435d4c3ab96394fb03be6ae72ff3a2b5825b182", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling trajectory v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "01ef2d657ac3eacbc36c76482435d4c3ab96394fb03be6ae72ff3a2b5825b182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ef2d657ac3eacbc36c76482435d4c3ab96394fb03be6ae72ff3a2b5825b182", kill_on_drop: false }`
[INFO] [stdout] 01ef2d657ac3eacbc36c76482435d4c3ab96394fb03be6ae72ff3a2b5825b182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a916d5fa973b5ba5bbe8eeaf79c631329e5a18a8af441c8a5ebf5c6a39bab4e1
[INFO] running `Command { std: "docker" "start" "-a" "a916d5fa973b5ba5bbe8eeaf79c631329e5a18a8af441c8a5ebf5c6a39bab4e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling gnuplot v0.0.37
[INFO] [stderr]    Compiling trajectory v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/plot.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fg.show();
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/plot.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fg.show();
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.77s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/trajectory-baa1f0df096bceca)
[INFO] running `Command { std: "docker" "inspect" "a916d5fa973b5ba5bbe8eeaf79c631329e5a18a8af441c8a5ebf5c6a39bab4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a916d5fa973b5ba5bbe8eeaf79c631329e5a18a8af441c8a5ebf5c6a39bab4e1", kill_on_drop: false }`
[INFO] [stdout] a916d5fa973b5ba5bbe8eeaf79c631329e5a18a8af441c8a5ebf5c6a39bab4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ac7b8a25e1d5cc2dd44971cc9392f5f7524a78fe581fa371068f9afcf3cfe8a
[INFO] running `Command { std: "docker" "start" "-a" "4ac7b8a25e1d5cc2dd44971cc9392f5f7524a78fe581fa371068f9afcf3cfe8a", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/plot.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fg.show();
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/plot.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fg.show();
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `trajectory` (example "plot") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trajectory-baa1f0df096bceca)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests trajectory
[INFO] [stdout] test cubic_spline::tests::test_acceleration ... ok
[INFO] [stdout] test cubic_spline::tests::test_spline ... ok
[INFO] [stdout] test linear::tests::test_linear ... ok
[INFO] [stdout] test cubic_spline::tests::test_velocity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "4ac7b8a25e1d5cc2dd44971cc9392f5f7524a78fe581fa371068f9afcf3cfe8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac7b8a25e1d5cc2dd44971cc9392f5f7524a78fe581fa371068f9afcf3cfe8a", kill_on_drop: false }`
[INFO] [stdout] 4ac7b8a25e1d5cc2dd44971cc9392f5f7524a78fe581fa371068f9afcf3cfe8a