[INFO] cloning repository https://github.com/EkardNT/external-sort
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EkardNT/external-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fexternal-sort"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fexternal-sort'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3531ca6f4287a0fe197337e699ebcc1d89c1ef6f
[INFO] testing EkardNT/external-sort against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEkardNT%2Fexternal-sort" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EkardNT/external-sort on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/EkardNT/external-sort
[INFO] finished tweaking git repo https://github.com/EkardNT/external-sort
[INFO] tweaked toml for git repo https://github.com/EkardNT/external-sort written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/EkardNT/external-sort already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "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] 153cb1d9268a9293a9092503d988afca2331bfef3125b331192078ff4ff0d6ad
[INFO] running `"docker" "start" "-a" "153cb1d9268a9293a9092503d988afca2331bfef3125b331192078ff4ff0d6ad"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling clap v2.31.1
[INFO] [stderr]    Compiling fine_grained v0.1.2
[INFO] [stderr]    Compiling external-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/validate.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut stdin = ::std::io::stdin();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/generate.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut stdout = ::std::io::stdout();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `entries`
[INFO] [stderr]    --> src/bin/sort.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     entries: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bytes`
[INFO] [stderr]    --> src/bin/sort.rs:270:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     bytes: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line_max_length`
[INFO] [stderr]    --> src/bin/sort.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     line_max_length: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line_min_length`
[INFO] [stderr]    --> src/bin/sort.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     line_min_length: usize
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `chunk_index`
[INFO] [stderr]    --> src/bin/sort.rs:325:5
[INFO] [stderr]     |
[INFO] [stderr] 325 |     chunk_index: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.18s
[INFO] running `"docker" "inspect" "153cb1d9268a9293a9092503d988afca2331bfef3125b331192078ff4ff0d6ad"`
[INFO] running `"docker" "rm" "-f" "153cb1d9268a9293a9092503d988afca2331bfef3125b331192078ff4ff0d6ad"`
[INFO] [stdout] 153cb1d9268a9293a9092503d988afca2331bfef3125b331192078ff4ff0d6ad
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "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] 23090cc12974838de934cbbde0d9f4285a69ee171c24817e5292d3ee6d508383
[INFO] running `"docker" "start" "-a" "23090cc12974838de934cbbde0d9f4285a69ee171c24817e5292d3ee6d508383"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling external-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/generate.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut stdout = ::std::io::stdout();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/validate.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut stdin = ::std::io::stdin();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `entries`
[INFO] [stderr]    --> src/bin/sort.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     entries: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bytes`
[INFO] [stderr]    --> src/bin/sort.rs:270:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     bytes: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line_max_length`
[INFO] [stderr]    --> src/bin/sort.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     line_max_length: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line_min_length`
[INFO] [stderr]    --> src/bin/sort.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     line_min_length: usize
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `chunk_index`
[INFO] [stderr]    --> src/bin/sort.rs:325:5
[INFO] [stderr]     |
[INFO] [stderr] 325 |     chunk_index: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "23090cc12974838de934cbbde0d9f4285a69ee171c24817e5292d3ee6d508383"`
[INFO] running `"docker" "rm" "-f" "23090cc12974838de934cbbde0d9f4285a69ee171c24817e5292d3ee6d508383"`
[INFO] [stdout] 23090cc12974838de934cbbde0d9f4285a69ee171c24817e5292d3ee6d508383
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd19a5c4a67c16a5c2b934391f5094fa0ccf02dfc7a9bd4f2018a41861648728
[INFO] running `"docker" "start" "-a" "fd19a5c4a67c16a5c2b934391f5094fa0ccf02dfc7a9bd4f2018a41861648728"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: field is never read: `entries`
[INFO] [stderr]    --> src/bin/sort.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     entries: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bytes`
[INFO] [stderr]    --> src/bin/sort.rs:270:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     bytes: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/generate.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut stdout = ::std::io::stdout();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line_max_length`
[INFO] [stderr]    --> src/bin/sort.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     line_max_length: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line_min_length`
[INFO] [stderr]    --> src/bin/sort.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     line_min_length: usize
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `chunk_index`
[INFO] [stderr]    --> src/bin/sort.rs:325:5
[INFO] [stderr]     |
[INFO] [stderr] 325 |     chunk_index: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/validate.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut stdin = ::std::io::stdin();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/external_sort-58c918a9ceaffb20
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/generate-7b6bb6a3740d096d
[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] [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] [stderr]      Running /opt/rustwide/target/debug/deps/sort-0bc982b30e634afe
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::get_prefix_value_64bit ... ok
[INFO] [stdout] test tests::compare_words_greater ... ok
[INFO] [stdout] test tests::compare_words_equal ... ok
[INFO] [stdout] test tests::compare_words_less ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/validate-e2a15644d88cdf9d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests external-sort
[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] [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" "fd19a5c4a67c16a5c2b934391f5094fa0ccf02dfc7a9bd4f2018a41861648728"`
[INFO] running `"docker" "rm" "-f" "fd19a5c4a67c16a5c2b934391f5094fa0ccf02dfc7a9bd4f2018a41861648728"`
[INFO] [stdout] fd19a5c4a67c16a5c2b934391f5094fa0ccf02dfc7a9bd4f2018a41861648728