[INFO] updating cached repository rklaehn/interval-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rklaehn/interval-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rklaehn/interval-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/rklaehn/interval-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rklaehn/interval-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rklaehn/interval-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rklaehn/interval-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rklaehn/interval-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 129e628c534a307cdb2dfa8aabaeeb97574daf83
[INFO] sha for GitHub repo rklaehn/interval-rs: 129e628c534a307cdb2dfa8aabaeeb97574daf83
[INFO] validating manifest of rklaehn/interval-rs 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 rklaehn/interval-rs 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 rklaehn/interval-rs
[INFO] finished frobbing rklaehn/interval-rs
[INFO] frobbed toml for rklaehn/interval-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/rklaehn/interval-rs/Cargo.toml
[INFO] started frobbing rklaehn/interval-rs
[INFO] finished frobbing rklaehn/interval-rs
[INFO] frobbed toml for rklaehn/interval-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rklaehn/interval-rs/Cargo.toml
[INFO] crate rklaehn/interval-rs already has a lockfile, it will not be regenerated
[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] testing rklaehn/interval-rs 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rklaehn/interval-rs:/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] 2c4180de233a92a1fd858a0c93242024c7846014890b34b9cc69fb2206982d61
[INFO] running `"docker" "start" "-a" "2c4180de233a92a1fd858a0c93242024c7846014890b34b9cc69fb2206982d61"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling intervalset v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/lib.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, BufRead};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/lib.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, BufRead};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.57s
[INFO] running `"docker" "inspect" "2c4180de233a92a1fd858a0c93242024c7846014890b34b9cc69fb2206982d61"`
[INFO] running `"docker" "rm" "-f" "2c4180de233a92a1fd858a0c93242024c7846014890b34b9cc69fb2206982d61"`
[INFO] [stdout] 2c4180de233a92a1fd858a0c93242024c7846014890b34b9cc69fb2206982d61
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rklaehn/interval-rs:/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] 869802f60e42afcbcf4c9046ec1090dcfd3e404fab5b7b372114e71ff730458e
[INFO] running `"docker" "start" "-a" "869802f60e42afcbcf4c9046ec1090dcfd3e404fab5b7b372114e71ff730458e"`
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quickcheck v0.8.0
[INFO] [stderr]    Compiling intervalset v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/lib.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, BufRead};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> src/lib.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, BufRead};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_valid`
[INFO] [stderr]    --> src/interval.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn is_valid(self: Interval<T>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `"docker" "inspect" "869802f60e42afcbcf4c9046ec1090dcfd3e404fab5b7b372114e71ff730458e"`
[INFO] running `"docker" "rm" "-f" "869802f60e42afcbcf4c9046ec1090dcfd3e404fab5b7b372114e71ff730458e"`
[INFO] [stdout] 869802f60e42afcbcf4c9046ec1090dcfd3e404fab5b7b372114e71ff730458e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rklaehn/interval-rs:/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] bb319b65f62afd52398eb069974cd253c0c2108d4e501ea0932fa8a49c5b8a78
[INFO] running `"docker" "start" "-a" "bb319b65f62afd52398eb069974cd253c0c2108d4e501ea0932fa8a49c5b8a78"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/intervalset-996e8450b1f0be64
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test checks::interval_tostring_roundtrip ... ok
[INFO] [stdout] test tests::interval_xor_test ... ok
[INFO] [stdout] test tests::intervalseq_or_test ... ok
[INFO] [stdout] test tests::intervalseq_parse_test ... ok
[INFO] [stdout] test tests::parse_tests ... ok
[INFO] [stdout] test checks::intervalseq_not_sample ... ok
[INFO] [stdout] test checks::intervalseq_xor_sample ... ok
[INFO] [stdout] test checks::intervalseq_or_sample ... ok
[INFO] [stdout] test checks::intervalseq_tostring_roundtrip ... ok
[INFO] [stdout] test checks::intervalseq_and_sample ... ok
[INFO] [stdout] test benches::cutoff_bench_large ... ok
[INFO] [stdout] test benches::full_traversal_bench_large ... test benches::full_traversal_bench_large has been running for over 60 seconds
[INFO] [stdout] test benches::full_traversal_bench_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests intervalset
[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" "bb319b65f62afd52398eb069974cd253c0c2108d4e501ea0932fa8a49c5b8a78"`
[INFO] running `"docker" "rm" "-f" "bb319b65f62afd52398eb069974cd253c0c2108d4e501ea0932fa8a49c5b8a78"`
[INFO] [stdout] bb319b65f62afd52398eb069974cd253c0c2108d4e501ea0932fa8a49c5b8a78