[INFO] fetching crate simple_units 0.1.0...
[INFO] testing simple_units-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate simple_units 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate simple_units 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_units 0.1.0
[INFO] finished tweaking crates.io crate simple_units 0.1.0
[INFO] tweaked toml for crates.io crate simple_units 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 132ec0c7214a7aa43ebbda9eb35a23cbe2ac8854b2d844c699632cd3eb65204e
[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" "132ec0c7214a7aa43ebbda9eb35a23cbe2ac8854b2d844c699632cd3eb65204e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "132ec0c7214a7aa43ebbda9eb35a23cbe2ac8854b2d844c699632cd3eb65204e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132ec0c7214a7aa43ebbda9eb35a23cbe2ac8854b2d844c699632cd3eb65204e", kill_on_drop: false }`
[INFO] [stdout] 132ec0c7214a7aa43ebbda9eb35a23cbe2ac8854b2d844c699632cd3eb65204e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75e124f54c9a4b0b56c017bb0b2a22ef8137124f7d8ad06f650495bb558f4e37
[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" "75e124f54c9a4b0b56c017bb0b2a22ef8137124f7d8ad06f650495bb558f4e37", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_units v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "75e124f54c9a4b0b56c017bb0b2a22ef8137124f7d8ad06f650495bb558f4e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e124f54c9a4b0b56c017bb0b2a22ef8137124f7d8ad06f650495bb558f4e37", kill_on_drop: false }`
[INFO] [stdout] 75e124f54c9a4b0b56c017bb0b2a22ef8137124f7d8ad06f650495bb558f4e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1715abe7884e38e89739f6a98b41f1917ff5b95472e0f5bc67d9a03702546da8
[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" "1715abe7884e38e89739f6a98b41f1917ff5b95472e0f5bc67d9a03702546da8", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_units v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> tests/lib.rs:21:54
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let cooling_rate: KelvinPerSecond = Kelvin::from((temperature2 - temperature1)) / (time2 - time1);
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `closure_temp`
[INFO] [stdout]   --> tests/lib.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let closure_temp: DegC = DegC::from(energy / ((geometry_factor * tau * diff).ln() * univ_gas_const));
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_closure_temp`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_power3_unit`
[INFO] [stdout]   --> tests/si_units.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn test_power3_unit() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "1715abe7884e38e89739f6a98b41f1917ff5b95472e0f5bc67d9a03702546da8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1715abe7884e38e89739f6a98b41f1917ff5b95472e0f5bc67d9a03702546da8", kill_on_drop: false }`
[INFO] [stdout] 1715abe7884e38e89739f6a98b41f1917ff5b95472e0f5bc67d9a03702546da8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f467630344e27b6499afbcecb9dddb6e63c1bec993920d3f46aa6fdbb0a87a38
[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" "f467630344e27b6499afbcecb9dddb6e63c1bec993920d3f46aa6fdbb0a87a38", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> tests/lib.rs:21:54
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 21 |     let cooling_rate: KelvinPerSecond = Kelvin::from((temperature2 - temperature1)) / (time2 - time1);
[INFO] [stdout] 
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 7 tests
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] test test_degc_to_kelvin ... ok
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `closure_temp`
[INFO] [stderr]   --> tests/lib.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let closure_temp: DegC = DegC::from(energy / ((geometry_factor * tau * diff).ln() * univ_gas_const));
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_closure_temp`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_power3_unit`
[INFO] [stderr]   --> tests/si_units.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn test_power3_unit() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_units-4020c12d034c9196
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/conversion-d4be4a83c7d1d629
[INFO] [stdout] test test_meter_to_yard ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-17715e9e93e03ccb
[INFO] [stdout] test test_yard_to_meter ... ok
[INFO] [stdout] test test_degc_to_fahrenheit ... ok
[INFO] [stdout] test test_foot_to_meter ... ok
[INFO] [stdout] test test_kelvin_to_degc ... ok
[INFO] [stdout] test test_meter_to_foot ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_units1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/si_units-6a2ac8a9018f6e0f
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_inverse ... ok
[INFO] [stdout] test test_meter_div_meter ... ok
[INFO] [stdout] test test_meter_add ... ok
[INFO] [stdout] test test_meter_div_meter_per_second ... ok
[INFO] [stdout] test test_meter_div_number ... ok
[INFO] [stdout] test test_meter_mul_number ... ok
[INFO] [stdout] test test_meter_sub ... ok
[INFO] [stdout] test test_number_mul_meter ... ok
[INFO] [stderr]    Doc-tests simple_units
[INFO] [stdout] test test_meter_div_second ... ok
[INFO] [stdout] test test_meter_per_second_mul_second ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/conversion.rs - convert_unit (line 16) ... ok
[INFO] [stdout] test src/si_units.rs - combine_unit (line 307) ... ok
[INFO] [stdout] test src/si_units.rs - init_unit (line 19) ... ok
[INFO] [stdout] test src/si_units.rs - init_unit_and_inverse (line 244) ... ok
[INFO] [stdout] test src/si_units.rs - power3_unit (line 267) ... ok
[INFO] [stdout] test src/si_units.rs - inverse_unit (line 185) ... ok
[INFO] [stdout] test src/si_units.rs - mul_div_unit (line 101) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f467630344e27b6499afbcecb9dddb6e63c1bec993920d3f46aa6fdbb0a87a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f467630344e27b6499afbcecb9dddb6e63c1bec993920d3f46aa6fdbb0a87a38", kill_on_drop: false }`
[INFO] [stdout] f467630344e27b6499afbcecb9dddb6e63c1bec993920d3f46aa6fdbb0a87a38