[INFO] fetching crate buldak 0.27.1...
[INFO] testing buldak-0.27.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate buldak 0.27.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate buldak 0.27.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buldak 0.27.1
[INFO] finished tweaking crates.io crate buldak 0.27.1
[INFO] tweaked toml for crates.io crate buldak 0.27.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate buldak 0.27.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf03ee5fdbc6b07f0c5745ecfda818055c4f4a135b34879ddde06bb59ef3d21e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf03ee5fdbc6b07f0c5745ecfda818055c4f4a135b34879ddde06bb59ef3d21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf03ee5fdbc6b07f0c5745ecfda818055c4f4a135b34879ddde06bb59ef3d21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf03ee5fdbc6b07f0c5745ecfda818055c4f4a135b34879ddde06bb59ef3d21e", kill_on_drop: false }`
[INFO] [stdout] bf03ee5fdbc6b07f0c5745ecfda818055c4f4a135b34879ddde06bb59ef3d21e
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 361b4f66bf452e5c00daa25367d5871bc887e2906e608d3436f4ad9019812cab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "361b4f66bf452e5c00daa25367d5871bc887e2906e608d3436f4ad9019812cab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling buldak v0.27.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `Command { std: "docker" "inspect" "361b4f66bf452e5c00daa25367d5871bc887e2906e608d3436f4ad9019812cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361b4f66bf452e5c00daa25367d5871bc887e2906e608d3436f4ad9019812cab", kill_on_drop: false }`
[INFO] [stdout] 361b4f66bf452e5c00daa25367d5871bc887e2906e608d3436f4ad9019812cab
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4add99f279716326504d5230dc8d094adbdc700471e39b31db081a3a5c046ddd
[INFO] running `Command { std: "docker" "start" "-a" "4add99f279716326504d5230dc8d094adbdc700471e39b31db081a3a5c046ddd", kill_on_drop: false }`
[INFO] [stderr]    Compiling buldak v0.27.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "4add99f279716326504d5230dc8d094adbdc700471e39b31db081a3a5c046ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4add99f279716326504d5230dc8d094adbdc700471e39b31db081a3a5c046ddd", kill_on_drop: false }`
[INFO] [stdout] 4add99f279716326504d5230dc8d094adbdc700471e39b31db081a3a5c046ddd
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27d7e48d0532f2a8d6d476b9797face813389bd6ea703252b3d1f1209e673df3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "27d7e48d0532f2a8d6d476b9797face813389bd6ea703252b3d1f1209e673df3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/buldak-0774bbf346a333ef
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buldak
[INFO] [stdout] 
[INFO] [stdout] running 72 tests
[INFO] [stdout] test src/lib/bubble.rs - bubble::sort_by (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib/binary_insertion.rs - binary_insertion::sort_by (line 41) ... ok
[INFO] [stdout] test src/lib/bitonic.rs - bitonic::sort_by (line 42) ... ok
[INFO] [stdout] test src/lib/bubble.rs - bubble::sort (line 10) ... ok
[INFO] [stdout] test src/lib/bubble.rs - bubble::sort_reverse (line 27) ... ok
[INFO] [stdout] test src/lib/bogo.rs - bogo::sort_by (line 41) ... ok
[INFO] [stdout] test src/lib/cocktail_shaker.rs - cocktail_shaker::sort_by (line 42) ... ok
[INFO] [stdout] test src/lib/bogo.rs - bogo::sort_reverse (line 24) ... ok
[INFO] [stdout] test src/lib/cocktail_shaker.rs - cocktail_shaker::sort (line 9) ... ok
[INFO] [stdout] test src/lib/bitonic.rs - bitonic::sort (line 9) ... ok
[INFO] [stdout] test src/lib/cocktail_shaker.rs - cocktail_shaker::sort_reverse (line 25) ... ok
[INFO] [stdout] test src/lib/binary_insertion.rs - binary_insertion::sort_reverse (line 24) ... ok
[INFO] [stdout] test src/lib/binary_insertion.rs - binary_insertion::sort (line 8) ... ok
[INFO] [stdout] test src/lib/bitonic.rs - bitonic::sort_reverse (line 25) ... ok
[INFO] [stdout] test src/lib/bogo.rs - bogo::sort (line 8) ... ok
[INFO] [stdout] test src/lib/comb.rs - comb::sort (line 9) ... ok
[INFO] [stdout] test src/lib/comb.rs - comb::sort_reverse (line 25) ... ok
[INFO] [stdout] test src/lib/double_selection.rs - double_selection::sort_reverse (line 26) ... ok
[INFO] [stdout] test src/lib/cycle.rs - cycle::sort (line 8) ... ok
[INFO] [stdout] test src/lib/gnome.rs - gnome::sort_reverse (line 26) ... ok
[INFO] [stdout] test src/lib/double_selection.rs - double_selection::sort (line 10) ... ok
[INFO] [stdout] test src/lib/gnome.rs - gnome::sort (line 10) ... ok
[INFO] [stdout] test src/lib/comb.rs - comb::sort_by (line 42) ... ok
[INFO] [stdout] test src/lib/cycle.rs - cycle::sort_reverse (line 24) ... ok
[INFO] [stdout] test src/lib/cycle.rs - cycle::sort_by (line 41) ... ok
[INFO] [stdout] test src/lib/double_selection.rs - double_selection::sort_by (line 43) ... ok
[INFO] [stdout] test src/lib/counting.rs - counting::sort_reverse (line 37) ... ok
[INFO] [stdout] test src/lib/gnome.rs - gnome::sort_by (line 43) ... ok
[INFO] [stdout] test src/lib/counting.rs - counting::sort (line 8) ... ok
[INFO] [stdout] test src/lib/heap.rs - heap::sort (line 10) ... ok
[INFO] [stdout] test src/lib/gravity.rs - gravity::sort_reverse (line 32) ... ok
[INFO] [stdout] test src/lib/heap.rs - heap::sort_reverse (line 26) ... ok
[INFO] [stdout] test src/lib/heap.rs - heap::sort_by (line 43) ... ok
[INFO] [stdout] test src/lib/gravity.rs - gravity::sort (line 11) ... ok
[INFO] [stdout] test src/lib/insertion.rs - insertion::sort (line 8) ... ok
[INFO] [stdout] test src/lib/insertion.rs - insertion::sort_by (line 41) ... ok
[INFO] [stdout] test src/lib/intro.rs - intro::sort_by (line 45) ... ok
[INFO] [stdout] test src/lib/intro.rs - intro::sort_reverse (line 28) ... ok
[INFO] [stdout] test src/lib/insertion.rs - insertion::sort_reverse (line 24) ... ok
[INFO] [stdout] test src/lib/intro.rs - intro::sort (line 12) ... ok
[INFO] [stdout] test src/lib/merge.rs - merge::sort_reverse (line 24) ... ok
[INFO] [stdout] test src/lib/oddeven.rs - oddeven::sort (line 12) ... ok
[INFO] [stdout] test src/lib/merge.rs - merge::sort (line 8) ... ok
[INFO] [stdout] test src/lib/oddeven.rs - oddeven::sort_by (line 47) ... ok
[INFO] [stdout] test src/lib/oddeven.rs - oddeven::sort_reverse (line 29) ... ok
[INFO] [stdout] test src/lib/merge.rs - merge::sort_by (line 41) ... ok
[INFO] [stdout] test src/lib/quick.rs - quick::sort_reverse (line 26) ... ok
[INFO] [stdout] test src/lib/quick.rs - quick::sort_by (line 43) ... ok
[INFO] [stdout] test src/lib/quick.rs - quick::sort (line 10) ... ok
[INFO] [stdout] test src/lib/radix.rs - radix::sort_reverse (line 32) ... ok
[INFO] [stdout] test src/lib/selection.rs - selection::sort (line 10) ... ok
[INFO] [stdout] test src/lib/selection.rs - selection::sort_reverse (line 26) ... ok
[INFO] [stdout] test src/lib/selection.rs - selection::sort_by (line 43) ... ok
[INFO] [stdout] test src/lib/radix.rs - radix::sort (line 12) ... ok
[INFO] [stdout] test src/lib/shell.rs - shell::sort_by (line 41) ... ok
[INFO] [stdout] test src/lib/smart_bubble.rs - smart_bubble::sort_reverse (line 28) ... ok
[INFO] [stdout] test src/lib/shell.rs - shell::sort (line 8) ... ok
[INFO] [stdout] test src/lib/shell.rs - shell::sort_reverse (line 24) ... ok
[INFO] [stdout] test src/lib/tim.rs - tim::sort_by (line 45) ... ok
[INFO] [stdout] test src/lib/smart_bubble.rs - smart_bubble::sort_by (line 45) ... ok
[INFO] [stdout] test src/lib/stooge.rs - stooge::sort_by (line 42) ... ok
[INFO] [stdout] test src/lib/stalin.rs - stalin::sort (line 9) ... ok
[INFO] [stdout] test src/lib/stalin.rs - stalin::sort_reverse (line 25) ... ok
[INFO] [stdout] test src/lib/smart_bubble.rs - smart_bubble::sort (line 12) ... ok
[INFO] [stdout] test src/lib/stooge.rs - stooge::sort (line 9) ... ok
[INFO] [stdout] test src/lib/stalin.rs - stalin::sort_by (line 42) ... ok
[INFO] [stdout] test src/lib/stooge.rs - stooge::sort_reverse (line 25) ... ok
[INFO] [stdout] test src/lib/tim.rs - tim::sort (line 12) ... ok
[INFO] [stdout] test src/lib/tim.rs - tim::sort_reverse (line 28) ... ok
[INFO] [stdout] test src/lib/sleep.rs - sleep::sort_reverse (line 27) ... ok
[INFO] [stdout] test src/lib/sleep.rs - sleep::sort (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 72 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 27.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27d7e48d0532f2a8d6d476b9797face813389bd6ea703252b3d1f1209e673df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d7e48d0532f2a8d6d476b9797face813389bd6ea703252b3d1f1209e673df3", kill_on_drop: false }`
[INFO] [stdout] 27d7e48d0532f2a8d6d476b9797face813389bd6ea703252b3d1f1209e673df3