[INFO] crate atomic_box 0.1.1 is already in cache
[INFO] testing atomic_box-0.1.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate atomic_box 0.1.1 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate atomic_box 0.1.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 0e888e822623feaabd1a5720dcb2b144aba1c36efb9dc2ea028526e3992b8dd3
[INFO] running `"docker" "start" "-a" "0e888e822623feaabd1a5720dcb2b144aba1c36efb9dc2ea028526e3992b8dd3"`
[INFO] [stderr]    Compiling atomic_box v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "0e888e822623feaabd1a5720dcb2b144aba1c36efb9dc2ea028526e3992b8dd3"`
[INFO] running `"docker" "rm" "-f" "0e888e822623feaabd1a5720dcb2b144aba1c36efb9dc2ea028526e3992b8dd3"`
[INFO] [stdout] 0e888e822623feaabd1a5720dcb2b144aba1c36efb9dc2ea028526e3992b8dd3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6b4a195b858526c0adbe3e0cfe03624092cc9e2960b0f077d4a04573fe5079c8
[INFO] running `"docker" "start" "-a" "6b4a195b858526c0adbe3e0cfe03624092cc9e2960b0f077d4a04573fe5079c8"`
[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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_print_thread`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "6b4a195b858526c0adbe3e0cfe03624092cc9e2960b0f077d4a04573fe5079c8"`
[INFO] running `"docker" "rm" "-f" "6b4a195b858526c0adbe3e0cfe03624092cc9e2960b0f077d4a04573fe5079c8"`
[INFO] [stdout] 6b4a195b858526c0adbe3e0cfe03624092cc9e2960b0f077d4a04573fe5079c8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 0d9ecf049948a17adfd02800aae61f698524ed378c212562627289c6940ecfdd
[INFO] running `"docker" "start" "-a" "0d9ecf049948a17adfd02800aae61f698524ed378c212562627289c6940ecfdd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/atomic_box-34d63f454702eb9e
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::test_swap ... ok
[INFO] [stdout] test test::test_load ... ok
[INFO] [stdout] test test::test_destructor ... ok
[INFO] [stdout] test test::test_new ... ok
[INFO] [stdout] [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[INFO] [stdout] [2, 2, 2, 2, 2, 2, 2, 2, 2, 2]
[INFO] [stdout] [2, 2, 2, 2, 2, 2, 2, 2, 2, 2]
[INFO] [stdout] [3, 3, 3, 3, 3, 3, 3, 3, 3, 3]
[INFO] [stdout] [3, 3, 3, 3, 3, 3, 3, 3, 3, 3]
[INFO] [stdout] [4, 4, 4, 4, 4, 4, 4, 4, 4, 4]
[INFO] [stdout] [4, 4, 4, 4, 4, 4, 4, 4, 4, 4]
[INFO] [stdout] [5, 5, 5, 5, 5, 5, 5, 5, 5, 5]
[INFO] [stdout] [5, 5, 5, 5, 5]
[INFO] [stdout] [5, 5, 5, 5, 5]
[INFO] [stdout] [6, 6, 6, 6, 6]
[INFO] [stdout] [6, 6, 6, 6, 6]
[INFO] [stdout] [7, 7, 7, 7, 7, 7, 7, 7, 7, 7]
[INFO] [stdout] [7, 7, 7, 7, 7, 7, 7, 7, 7, 7]
[INFO] [stdout] [8, 8, 8, 8, 8, 8, 8, 8, 8, 8]
[INFO] [stdout] [8, 8, 8, 8, 8, 8, 8, 8, 8, 8]
[INFO] [stdout] [9, 9, 9, 9, 9, 9, 9, 9, 9, 9]
[INFO] [stdout] b: 0
[INFO] [stdout] [9, 9, 9, 9, 9, 9, 9, 9, 9, 9]
[INFO] [stdout] b: 150
[INFO] [stdout] b: 490
[INFO] [stdout] b: 346
[INFO] [stdout] [14, 14, 14, 14, 14]
[INFO] [stdout] [15, 15, 15, 15, 15]
[INFO] [stdout] [15, 15, 15, 15, 15]
[INFO] [stdout] [16, 16, 16, 16, 16]
[INFO] [stdout] b: 861
[INFO] [stdout] [16, 16, 16, 16, 16]
[INFO] [stdout] [17, 17, 17, 17, 17]
[INFO] [stdout] [17, 17, 17, 17, 17]
[INFO] [stdout] b: 720
[INFO] [stdout] [18, 18, 18, 18, 18]
[INFO] [stdout] [18, 18, 18, 18, 18]
[INFO] [stdout] [18, 18, 18, 18, 18]
[INFO] [stdout] b: 1230
[INFO] [stdout] [16, 16, 16, 16, 16, 16, 16, 16, 16, 16]
[INFO] [stdout] [16, 16, 16, 16, 16, 16, 16, 16, 16, 16]
[INFO] [stdout] [20, 20, 20, 20, 20]
[INFO] [stdout] b: 963
[INFO] [stdout] [17, 17, 17, 17, 17, 17, 17, 17, 17, 17]
[INFO] [stdout] [21, 21, 21, 21, 21]
[INFO] [stdout] [18, 18, 18, 18, 18, 18, 18, 18, 18, 18]
[INFO] [stdout] b: 1372
[INFO] [stdout] [22, 22, 22, 22, 22]
[INFO] [stdout] [19, 19, 19, 19, 19, 19, 19, 19, 19, 19]
[INFO] [stdout] [23, 23, 23, 23, 23]
[INFO] [stdout] b: 1184
[INFO] [stdout] [20, 20, 20, 20, 20, 20, 20, 20, 20, 20]
[INFO] [stdout] [24, 24, 24, 24, 24]
[INFO] [stdout] [24, 24, 24, 24, 24]
[INFO] [stdout] [25, 25, 25, 25, 25]
[INFO] [stdout] b: 1231
[INFO] [stdout] [21, 21, 21, 21, 21, 21, 21, 21, 21, 21]
[INFO] [stdout] [26, 26, 26, 26, 26]
[INFO] [stdout] [22, 22, 22, 22, 22, 22, 22, 22, 22, 22]
[INFO] [stdout] [27, 27, 27, 27, 27]
[INFO] [stdout] b: 1310
[INFO] [stdout] [23, 23, 23, 23, 23, 23, 23, 23, 23, 23]
[INFO] [stdout] [28, 28, 28, 28, 28]
[INFO] [stdout] [24, 24, 24, 24, 24, 24, 24, 24, 24, 24]
[INFO] [stdout] [29, 29, 29, 29, 29]
[INFO] [stdout] [25, 25, 25, 25, 25, 25, 25, 25, 25, 25]
[INFO] [stdout] [30, 30, 30, 30, 30]
[INFO] [stdout] [26, 26, 26, 26, 26, 26, 26, 26, 26, 26]
[INFO] [stdout] [31, 31, 31, 31, 31]
[INFO] [stdout] [27, 27, 27, 27, 27, 27, 27, 27, 27, 27]
[INFO] [stdout] [27, 27, 27, 27, 27, 27, 27, 27, 27, 27]
[INFO] [stdout] b: 788
[INFO] [stdout] [28, 28, 28, 28, 28, 28, 28, 28, 28, 28]
[INFO] [stdout] [28, 28, 28, 28, 28, 28, 28, 28, 28, 28]
[INFO] [stdout] [29, 29, 29, 29, 29, 29, 29, 29, 29, 29]
[INFO] [stdout] [29, 29, 29, 29, 29, 29, 29, 29, 29, 29]
[INFO] [stdout] [30, 30, 30, 30, 30, 30, 30, 30, 30, 30]
[INFO] [stdout] [30, 30, 30, 30, 30, 30, 30, 30, 30, 30]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] test test::test_swap_contention ... ok
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] b: 1058
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] b: 1271
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] b: 1944
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] b: 1698
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] b: 1292
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] b: 1997
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] b: 1031
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] b: 1907
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] b: 1819
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] b: 2096
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] [31, 31, 31, 31, 31, 31, 31, 31, 31, 31]
[INFO] [stdout] test test::test_contention2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests atomic_box
[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" "0d9ecf049948a17adfd02800aae61f698524ed378c212562627289c6940ecfdd"`
[INFO] running `"docker" "rm" "-f" "0d9ecf049948a17adfd02800aae61f698524ed378c212562627289c6940ecfdd"`
[INFO] [stdout] 0d9ecf049948a17adfd02800aae61f698524ed378c212562627289c6940ecfdd