[INFO] crate hexponent 0.2.3 is already in cache
[INFO] testing hexponent-0.2.3 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate hexponent 0.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate hexponent 0.2.3 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hexponent 0.2.3
[INFO] finished tweaking crates.io crate hexponent 0.2.3
[INFO] tweaked toml for crates.io crate hexponent 0.2.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67bf8015d05cc5128dbbcd8ea03c657359268b23f8cf6cfb7d9c66903188852b
[INFO] running `"docker" "start" "-a" "67bf8015d05cc5128dbbcd8ea03c657359268b23f8cf6cfb7d9c66903188852b"`
[INFO] [stderr]    Compiling hexponent v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "67bf8015d05cc5128dbbcd8ea03c657359268b23f8cf6cfb7d9c66903188852b"`
[INFO] running `"docker" "rm" "-f" "67bf8015d05cc5128dbbcd8ea03c657359268b23f8cf6cfb7d9c66903188852b"`
[INFO] [stdout] 67bf8015d05cc5128dbbcd8ea03c657359268b23f8cf6cfb7d9c66903188852b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a5794d7b4f7b3959133f37bea1830923ae2ddf18f05730c033cf7f05fb701ad2
[INFO] running `"docker" "start" "-a" "a5794d7b4f7b3959133f37bea1830923ae2ddf18f05730c033cf7f05fb701ad2"`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr]    Compiling hexponent v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `f64_to_string`
[INFO] [stderr]    --> src/tests.rs:227:12
[INFO] [stderr]     |
[INFO] [stderr] 227 |     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 50.26s
[INFO] running `"docker" "inspect" "a5794d7b4f7b3959133f37bea1830923ae2ddf18f05730c033cf7f05fb701ad2"`
[INFO] running `"docker" "rm" "-f" "a5794d7b4f7b3959133f37bea1830923ae2ddf18f05730c033cf7f05fb701ad2"`
[INFO] [stdout] a5794d7b4f7b3959133f37bea1830923ae2ddf18f05730c033cf7f05fb701ad2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] 7d9390b294aa9d4ea85cb3436f2e8c0c1388834e34aa3cbb3079c0533c7efe41
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7d9390b294aa9d4ea85cb3436f2e8c0c1388834e34aa3cbb3079c0533c7efe41"`
[INFO] [stderr] warning: function is never used: `f64_to_string`
[INFO] [stderr]    --> src/tests.rs:227:12
[INFO] [stderr]     |
[INFO] [stderr] 227 |     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 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hexponent-801ea2d73ea57936
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_integers ... ok
[INFO] [stdout] test tests::test_incomplete ... ok
[INFO] [stdout] test tests::test_subnormal ... ignored
[INFO] [stdout] test tests::test_overflow_underflow ... ok
[INFO] [stdout] test tests::test_fuzzer_finds ... ok
[INFO] [stdout] test tests::test_zero ... ok
[INFO] [stdout] test tests::test_imprecise_conversions ... ok
[INFO] [stdout] test tests::rcc_tests ... ok
[INFO] [stdout] test tests::test_exponents ... ok
[INFO] [stdout] test tests::test_fractions ... ok
[INFO] [stdout] test tests::test_zero_trimming ... ok
[INFO] [stdout] test tests::test_double_precision ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 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 `"docker" "inspect" "7d9390b294aa9d4ea85cb3436f2e8c0c1388834e34aa3cbb3079c0533c7efe41"`
[INFO] running `"docker" "rm" "-f" "7d9390b294aa9d4ea85cb3436f2e8c0c1388834e34aa3cbb3079c0533c7efe41"`
[INFO] [stdout] 7d9390b294aa9d4ea85cb3436f2e8c0c1388834e34aa3cbb3079c0533c7efe41