[INFO] crate atomic_box 0.1.1 is already in cache
[INFO] testing atomic_box-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate atomic_box 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate atomic_box 0.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate atomic_box 0.1.1
[INFO] finished tweaking crates.io crate atomic_box 0.1.1
[INFO] tweaked toml for crates.io crate atomic_box 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 70983aabdf3981f6098fc423b783091066ea3dd0d0bfef6ce6abbf24a3a9b52e
[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" "70983aabdf3981f6098fc423b783091066ea3dd0d0bfef6ce6abbf24a3a9b52e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling atomic_box v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `"docker" "inspect" "70983aabdf3981f6098fc423b783091066ea3dd0d0bfef6ce6abbf24a3a9b52e"`
[INFO] running `"docker" "rm" "-f" "70983aabdf3981f6098fc423b783091066ea3dd0d0bfef6ce6abbf24a3a9b52e"`
[INFO] [stdout] 70983aabdf3981f6098fc423b783091066ea3dd0d0bfef6ce6abbf24a3a9b52e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 226defed17502ef70b802fd04d80bff3adca498db7bd1f389189b92c756b2c9a
[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" "226defed17502ef70b802fd04d80bff3adca498db7bd1f389189b92c756b2c9a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling atomic_box v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/test.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |             for i in 0..1024 {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/test.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     for i in 0..num_threads {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `print_thread`
[INFO] [stderr]   --> src/test.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let print_thread = {
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_print_thread`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "226defed17502ef70b802fd04d80bff3adca498db7bd1f389189b92c756b2c9a"`
[INFO] running `"docker" "rm" "-f" "226defed17502ef70b802fd04d80bff3adca498db7bd1f389189b92c756b2c9a"`
[INFO] [stdout] 226defed17502ef70b802fd04d80bff3adca498db7bd1f389189b92c756b2c9a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.44.0" "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] d5e5678dbea269836addc7195013ee68617c145c60c674205975900bb27fe2c0
[INFO] running `"docker" "start" "-a" "d5e5678dbea269836addc7195013ee68617c145c60c674205975900bb27fe2c0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/test.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |             for i in 0..1024 {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/test.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     for i in 0..num_threads {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `print_thread`
[INFO] [stderr]   --> src/test.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let print_thread = {
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_print_thread`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/atomic_box-bcd37e1fd85f54f2
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::test_new ... ok
[INFO] [stdout] test test::test_load ... ok
[INFO] [stdout] test test::test_destructor ... ok
[INFO] [stdout] test test::test_swap ... ok
[INFO] [stdout] []
[INFO] [stdout] b: 0
[INFO] [stdout] [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
[INFO] [stdout] b: 470
[INFO] [stdout] b: 750
[INFO] [stdout] [2, 2, 2, 2, 2, 2, 2, 2, 2, 2]
[INFO] [stdout] b: 573
[INFO] [stdout] b: 386
[INFO] [stdout] b: 907
[INFO] [stdout] [2, 2, 2, 2, 2]
[INFO] [stdout] b: 552
[INFO] [stdout] b: 846
[INFO] [stdout] b: 340
[INFO] [stdout] [4, 4, 4, 4, 4, 4, 4, 4, 4, 4]
[INFO] [stdout] [4, 4, 4, 4, 4]
[INFO] [stdout] b: 1086
[INFO] [stdout] b: 740
[INFO] [stdout] [6, 6, 6, 6, 6, 6, 6, 6, 6, 6]
[INFO] [stdout] b: 845
[INFO] [stdout] b: 538
[INFO] [stdout] b: 581
[INFO] [stdout] [6, 6, 6, 6, 6, 6, 6, 6, 6, 6]
[INFO] [stdout] b: 668
[INFO] [stdout] b: 677
[INFO] [stdout] [7, 7, 7, 7, 7]
[INFO] [stdout] b: 601
[INFO] [stdout] b: 849
[INFO] [stdout] [8, 8, 8, 8, 8]
[INFO] [stdout] b: 346
[INFO] [stdout] b: 632
[INFO] [stdout] [9, 9, 9, 9, 9]
[INFO] [stdout] [11, 11, 11, 11, 11, 11, 11, 11, 11, 11]
[INFO] [stdout] [11, 11, 11, 11, 11, 11, 11, 11, 11, 11]
[INFO] [stdout] [12, 12, 12, 12, 12, 12, 12, 12, 12, 12]
[INFO] [stdout] [13, 13, 13, 13, 13, 13, 13, 13, 13, 13]
[INFO] [stdout] b: 246
[INFO] [stdout] [14, 14, 14, 14, 14]
[INFO] [stdout] b: 979
[INFO] [stdout] b: 392
[INFO] [stdout] b: 916
[INFO] [stdout] b: 660
[INFO] [stdout] [14, 14, 14, 14, 14]
[INFO] [stdout] b: 997
[INFO] [stdout] b: 724
[INFO] [stdout] b: 470
[INFO] [stdout] b: 861
[INFO] [stdout] [16, 16, 16, 16, 16]
[INFO] [stdout] b: 551
[INFO] [stdout] b: 1299
[INFO] [stdout] [18, 18, 18, 18, 18, 18, 18, 18, 18, 18]
[INFO] [stdout] b: 895
[INFO] [stdout] b: 519
[INFO] [stdout] [18, 18, 18, 18, 18]
[INFO] [stdout] b: 1161
[INFO] [stdout] b: 1397
[INFO] [stdout] b: 1101
[INFO] [stdout] [20, 20, 20, 20, 20, 20, 20, 20, 20, 20]
[INFO] [stdout] b: 566
[INFO] [stdout] b: 748
[INFO] [stdout] [21, 21, 21, 21, 21, 21, 21, 21, 21, 21]
[INFO] [stdout] b: 765
[INFO] [stdout] b: 1031
[INFO] [stdout] b: 897
[INFO] [stdout] [21, 21, 21, 21, 21, 21, 21, 21, 21, 21]
[INFO] [stdout] b: 698
[INFO] [stdout] [22, 22, 22, 22, 22]
[INFO] [stdout] b: 1416
[INFO] [stdout] b: 1172
[INFO] [stdout] [22, 22, 22, 22, 22]
[INFO] [stdout] b: 849
[INFO] [stdout] b: 767
[INFO] [stdout] b: 916
[INFO] [stdout] b: 730
[INFO] [stdout] b: 1495
[INFO] [stdout] [24, 24, 24, 24, 24]
[INFO] [stdout] b: 704
[INFO] [stdout] b: 1557
[INFO] [stdout] [24, 24, 24, 24, 24]
[INFO] [stdout] b: 1312
[INFO] [stdout] b: 968
[INFO] [stdout] b: 885
[INFO] [stdout] b: 942
[INFO] [stdout] [25, 25, 25, 25, 25]
[INFO] [stdout] b: 1235
[INFO] [stdout] b: 1012
[INFO] [stdout] b: 1080
[INFO] [stdout] [26, 26, 26, 26, 26]
[INFO] [stdout] [27, 27, 27, 27, 27]
[INFO] [stdout] b: 1182
[INFO] [stdout] [29, 29, 29, 29, 29, 29, 29, 29, 29, 29]
[INFO] [stdout] b: 1498
[INFO] [stdout] b: 1041
[INFO] [stdout] [29, 29, 29, 29, 29]
[INFO] [stdout] b: 1154
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] b: 1369
[INFO] [stdout] b: 1025
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1276
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] test test::test_swap_contention ... ok
[INFO] [stdout] b: 888
[INFO] [stdout] b: 1622
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1422
[INFO] [stdout] b: 1140
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1839
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 722
[INFO] [stdout] b: 1361
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1139
[INFO] [stdout] b: 1210
[INFO] [stdout] b: 1517
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1013
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1366
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 2270
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1665
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1625
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1996
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1827
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1627
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1712
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1229
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1775
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1843
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1798
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1922
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1967
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1689
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 2096
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] b: 1815
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] test test::test_contention2 ... ok
[INFO] [stderr]    Doc-tests atomic_box
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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" "d5e5678dbea269836addc7195013ee68617c145c60c674205975900bb27fe2c0"`
[INFO] running `"docker" "rm" "-f" "d5e5678dbea269836addc7195013ee68617c145c60c674205975900bb27fe2c0"`
[INFO] [stdout] d5e5678dbea269836addc7195013ee68617c145c60c674205975900bb27fe2c0