[INFO] crate hexponent 0.3.1 is already in cache
[INFO] testing hexponent-0.3.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate hexponent 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hexponent 0.3.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hexponent 0.3.1
[INFO] finished tweaking crates.io crate hexponent 0.3.1
[INFO] tweaked toml for crates.io crate hexponent 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bfc2dc4878f41fa671c13b1212e605a1d4664bf1687331e8913b5c47900c21e
[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" "1bfc2dc4878f41fa671c13b1212e605a1d4664bf1687331e8913b5c47900c21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bfc2dc4878f41fa671c13b1212e605a1d4664bf1687331e8913b5c47900c21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bfc2dc4878f41fa671c13b1212e605a1d4664bf1687331e8913b5c47900c21e", kill_on_drop: false }`
[INFO] [stdout] 1bfc2dc4878f41fa671c13b1212e605a1d4664bf1687331e8913b5c47900c21e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 792bd1fded645d12e36166a20d163a0f361c673068d4a3dc3cfcaa32b0c51049
[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" "792bd1fded645d12e36166a20d163a0f361c673068d4a3dc3cfcaa32b0c51049", kill_on_drop: false }`
[INFO] [stderr]    Compiling hexponent v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "792bd1fded645d12e36166a20d163a0f361c673068d4a3dc3cfcaa32b0c51049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792bd1fded645d12e36166a20d163a0f361c673068d4a3dc3cfcaa32b0c51049", kill_on_drop: false }`
[INFO] [stdout] 792bd1fded645d12e36166a20d163a0f361c673068d4a3dc3cfcaa32b0c51049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", 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] 36311a162fa566ae3ba895d438ec73f09635dba357d7ac67ea00ce49f2f74ddb
[INFO] running `Command { std: "docker" "start" "-a" "36311a162fa566ae3ba895d438ec73f09635dba357d7ac67ea00ce49f2f74ddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling hexponent v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `f64_to_string`
[INFO] [stdout]    --> src/tests.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     pub fn f64_to_string(f: f64) -> Result<Vec<u8>, ()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 0.77s
[INFO] running `Command { std: "docker" "inspect" "36311a162fa566ae3ba895d438ec73f09635dba357d7ac67ea00ce49f2f74ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36311a162fa566ae3ba895d438ec73f09635dba357d7ac67ea00ce49f2f74ddb", kill_on_drop: false }`
[INFO] [stdout] 36311a162fa566ae3ba895d438ec73f09635dba357d7ac67ea00ce49f2f74ddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c13dd89b5b34cefffa778afe874c34b857e3d8c4f37eb1b61d8e65235c45917f
[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" "c13dd89b5b34cefffa778afe874c34b857e3d8c4f37eb1b61d8e65235c45917f", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `f64_to_string`
[INFO] [stderr]    --> src/tests.rs:242:12
[INFO] [stderr]     |
[INFO] [stderr] 242 |     pub fn f64_to_string(f: f64) -> Result<Vec<u8>, ()> {
[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 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hexponent-3319a497e8f5e572
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_incomplete ... ok
[INFO] [stdout] test tests::test_subnormal ... ignored
[INFO] [stdout] test tests::test_error_indecies ... ok
[INFO] [stdout] test tests::test_imprecise_conversions ... ok
[INFO] [stdout] test tests::test_double_precision ... ok
[INFO] [stdout] test tests::test_integers ... ok
[INFO] [stdout] test tests::test_fractions ... ok
[INFO] [stdout] test tests::test_zero ... ok
[INFO] [stdout] test tests::test_overflow_underflow ... ok
[INFO] [stdout] test tests::rcc_tests ... ok
[INFO] [stdout] test tests::test_fuzzer_finds ... ok
[INFO] [stdout] test tests::test_zero_trimming ... ok
[INFO] [stdout] test tests::test_exponents ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hexponent
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c13dd89b5b34cefffa778afe874c34b857e3d8c4f37eb1b61d8e65235c45917f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13dd89b5b34cefffa778afe874c34b857e3d8c4f37eb1b61d8e65235c45917f", kill_on_drop: false }`
[INFO] [stdout] c13dd89b5b34cefffa778afe874c34b857e3d8c4f37eb1b61d8e65235c45917f