[INFO] fetching crate staticfraction 0.0.1...
[INFO] extracting crate staticfraction 0.0.1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/staticfraction/0.0.1
[INFO] extracting crate staticfraction 0.0.1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/staticfraction/0.0.1
[INFO] validating manifest of staticfraction-0.0.1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of staticfraction-0.0.1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing staticfraction-0.0.1
[INFO] finished frobbing staticfraction-0.0.1
[INFO] frobbed toml for staticfraction-0.0.1 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/staticfraction/0.0.1/Cargo.toml
[INFO] started frobbing staticfraction-0.0.1
[INFO] finished frobbing staticfraction-0.0.1
[INFO] frobbed toml for staticfraction-0.0.1 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/staticfraction/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fraction v0.6.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing staticfraction-0.0.1 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/staticfraction/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 32296b166db013cbdf3f699bd8fed18eff961ddc074f7dc8f509167a07c9f682
[INFO] running `"docker" "start" "-a" "32296b166db013cbdf3f699bd8fed18eff961ddc074f7dc8f509167a07c9f682"`
[INFO] [stderr]    Compiling staticfraction v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `min_numerator`
[INFO] [stderr]    --> src/lib.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn min_numerator(&self) -> C { D::NUM_OFFSET + D::NUM_FACTOR * C::from(S::min_value()) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max_numerator`
[INFO] [stderr]    --> src/lib.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn max_numerator(&self) -> C { D::NUM_OFFSET + D::NUM_FACTOR * C::from(S::max_value()) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![feature(associated_consts)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | #![feature(try_from)]
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "32296b166db013cbdf3f699bd8fed18eff961ddc074f7dc8f509167a07c9f682"`
[INFO] running `"docker" "rm" "-f" "32296b166db013cbdf3f699bd8fed18eff961ddc074f7dc8f509167a07c9f682"`
[INFO] [stdout] 32296b166db013cbdf3f699bd8fed18eff961ddc074f7dc8f509167a07c9f682
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/staticfraction/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] dbf2a2b2598fc12b84788e84b48b54a20eadc170e3f72d0cba80f366c3c53cfc
[INFO] running `"docker" "start" "-a" "dbf2a2b2598fc12b84788e84b48b54a20eadc170e3f72d0cba80f366c3c53cfc"`
[INFO] [stderr]    Compiling staticfraction v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `min_numerator`
[INFO] [stderr]    --> src/lib.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     fn min_numerator(&self) -> C { D::NUM_OFFSET + D::NUM_FACTOR * C::from(S::min_value()) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max_numerator`
[INFO] [stderr]    --> src/lib.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn max_numerator(&self) -> C { D::NUM_OFFSET + D::NUM_FACTOR * C::from(S::max_value()) }
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | #![feature(associated_consts)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | #![feature(try_from)]
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/pt100.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(associated_consts)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `associated_consts` has been stable since 1.20.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> examples/demo_constant_propagation.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(associated_consts)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "dbf2a2b2598fc12b84788e84b48b54a20eadc170e3f72d0cba80f366c3c53cfc"`
[INFO] running `"docker" "rm" "-f" "dbf2a2b2598fc12b84788e84b48b54a20eadc170e3f72d0cba80f366c3c53cfc"`
[INFO] [stdout] dbf2a2b2598fc12b84788e84b48b54a20eadc170e3f72d0cba80f366c3c53cfc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/staticfraction/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 67f07171a53bfa45f2e815d60f18aaecb3e4f001ff022673451edd9ab6d1d8d9
[INFO] running `"docker" "start" "-a" "67f07171a53bfa45f2e815d60f18aaecb3e4f001ff022673451edd9ab6d1d8d9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/staticfraction-b71336b74b517ae9
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests staticfraction
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 13) ... FAILED
[INFO] [stdout] test src/lib.rs - StaticFractionDescription (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 13) stdout ----
[INFO] [stdout] error: cannot find macro `prinln!` in this scope
[INFO] [stdout]  --> src/lib.rs:14:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | if get_system_voltage() < 3.1 { prinln!("Undervoltage warning!"); }
[INFO] [stdout]   |                                 ^^^^^^ help: you could try the macro: `println`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_system_voltage` in this scope
[INFO] [stdout]  --> src/lib.rs:14:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | if get_system_voltage() < 3.1 { prinln!("Undervoltage warning!"); }
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "67f07171a53bfa45f2e815d60f18aaecb3e4f001ff022673451edd9ab6d1d8d9"`
[INFO] running `"docker" "rm" "-f" "67f07171a53bfa45f2e815d60f18aaecb3e4f001ff022673451edd9ab6d1d8d9"`
[INFO] [stdout] 67f07171a53bfa45f2e815d60f18aaecb3e4f001ff022673451edd9ab6d1d8d9