[INFO] crate ticklock 0.0.8 is already in cache
[INFO] extracting crate ticklock 0.0.8 into work/ex/beta-1.38-1/sources/1.37.0/reg/ticklock/0.0.8
[INFO] extracting crate ticklock 0.0.8 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ticklock/0.0.8
[INFO] validating manifest of ticklock-0.0.8 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ticklock-0.0.8 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ticklock-0.0.8
[INFO] finished frobbing ticklock-0.0.8
[INFO] frobbed toml for ticklock-0.0.8 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ticklock/0.0.8/Cargo.toml
[INFO] started frobbing ticklock-0.0.8
[INFO] finished frobbing ticklock-0.0.8
[INFO] frobbed toml for ticklock-0.0.8 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ticklock/0.0.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ticklock-0.0.8 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ticklock/0.0.8:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d32e53c8728e3f17f4784637e5e4efdcf16176b683af406d8f67287ded396417
[INFO] running `"docker" "start" "-a" "d32e53c8728e3f17f4784637e5e4efdcf16176b683af406d8f67287ded396417"`
[INFO] [stderr]    Compiling ticklock v0.0.8 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "d32e53c8728e3f17f4784637e5e4efdcf16176b683af406d8f67287ded396417"`
[INFO] running `"docker" "rm" "-f" "d32e53c8728e3f17f4784637e5e4efdcf16176b683af406d8f67287ded396417"`
[INFO] [stdout] d32e53c8728e3f17f4784637e5e4efdcf16176b683af406d8f67287ded396417
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ticklock/0.0.8:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] be95d94a912f53f792873ecf06d0bc5b4addb5b6b779e980d782b893e4695c16
[INFO] running `"docker" "start" "-a" "be95d94a912f53f792873ecf06d0bc5b4addb5b6b779e980d782b893e4695c16"`
[INFO] [stderr]    Compiling ticklock v0.0.8 (/opt/crater/workdir)
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/clock.rs:258:22
[INFO] [stderr]     |
[INFO] [stderr] 258 |         assert_eq!(2.clamp(1, 3), 2);
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unstable_name_collisions)] on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `clock::U32Ext::clamp(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/clock.rs:259:23
[INFO] [stderr]     |
[INFO] [stderr] 259 |         assert_eq!(20.clamp(1, 3), 3);
[INFO] [stderr]     |                       ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `clock::U32Ext::clamp(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/clock.rs:260:22
[INFO] [stderr]     |
[INFO] [stderr] 260 |         assert_eq!(0.clamp(1, 3), 1);
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `clock::U32Ext::clamp(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "be95d94a912f53f792873ecf06d0bc5b4addb5b6b779e980d782b893e4695c16"`
[INFO] running `"docker" "rm" "-f" "be95d94a912f53f792873ecf06d0bc5b4addb5b6b779e980d782b893e4695c16"`
[INFO] [stdout] be95d94a912f53f792873ecf06d0bc5b4addb5b6b779e980d782b893e4695c16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ticklock/0.0.8:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1cf0af720fe9309f969abc04c0084c92e7fbcc028f9d47f38cde19b70954e9d7
[INFO] running `"docker" "start" "-a" "1cf0af720fe9309f969abc04c0084c92e7fbcc028f9d47f38cde19b70954e9d7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ticklock-2d54f1f57e87b72e
[INFO] [stdout] test clock::test::divide ... ok
[INFO] [stderr]    Doc-tests ticklock
[INFO] [stdout] test clock::test::multiply ... ok
[INFO] [stdout] test clock::test::tick ... ok
[INFO] [stdout] test clock::test::comp ... ok
[INFO] [stdout] test clock::test::clamp ... ok
[INFO] [stdout] test clock::test::scale ... ok
[INFO] [stdout] test clock::test::ticks_in ... 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 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1cf0af720fe9309f969abc04c0084c92e7fbcc028f9d47f38cde19b70954e9d7"`
[INFO] running `"docker" "rm" "-f" "1cf0af720fe9309f969abc04c0084c92e7fbcc028f9d47f38cde19b70954e9d7"`
[INFO] [stdout] 1cf0af720fe9309f969abc04c0084c92e7fbcc028f9d47f38cde19b70954e9d7