[INFO] fetching crate quickersort 3.0.1...
[INFO] testing quickersort-3.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate quickersort 3.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate quickersort 3.0.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quickersort 3.0.1
[INFO] finished tweaking crates.io crate quickersort 3.0.1
[INFO] tweaked toml for crates.io crate quickersort 3.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5ca9eb8c3c10eaaea4a3923869924fc5e9153bc9e8f67914c7114616730af49
[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" "c5ca9eb8c3c10eaaea4a3923869924fc5e9153bc9e8f67914c7114616730af49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5ca9eb8c3c10eaaea4a3923869924fc5e9153bc9e8f67914c7114616730af49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ca9eb8c3c10eaaea4a3923869924fc5e9153bc9e8f67914c7114616730af49", kill_on_drop: false }`
[INFO] [stdout] c5ca9eb8c3c10eaaea4a3923869924fc5e9153bc9e8f67914c7114616730af49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1299f80ec86d52f0811786ab89f5c6e20bae7ca472cf263b763ef23e1ab3b3cd
[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" "1299f80ec86d52f0811786ab89f5c6e20bae7ca472cf263b763ef23e1ab3b3cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling quickersort v3.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "1299f80ec86d52f0811786ab89f5c6e20bae7ca472cf263b763ef23e1ab3b3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1299f80ec86d52f0811786ab89f5c6e20bae7ca472cf263b763ef23e1ab3b3cd", kill_on_drop: false }`
[INFO] [stdout] 1299f80ec86d52f0811786ab89f5c6e20bae7ca472cf263b763ef23e1ab3b3cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 183d55aee0952fd9fe78f850c4874370c667dbf90d68a32be9057b319b322c97
[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" "183d55aee0952fd9fe78f850c4874370c667dbf90d68a32be9057b319b322c97", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling quickersort v3.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "183d55aee0952fd9fe78f850c4874370c667dbf90d68a32be9057b319b322c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "183d55aee0952fd9fe78f850c4874370c667dbf90d68a32be9057b319b322c97", kill_on_drop: false }`
[INFO] [stdout] 183d55aee0952fd9fe78f850c4874370c667dbf90d68a32be9057b319b322c97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9c49250fbcd43db3480ed8ac5afbb6f29c22a3d956c889d912ab264074858af
[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" "d9c49250fbcd43db3480ed8ac5afbb6f29c22a3d956c889d912ab264074858af", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test-5ffb68ae75647550
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_always_less ... ok
[INFO] [stdout] test test_always_greater ... ok
[INFO] [stdout] test test_heapsort ... ok
[INFO] [stdout] test test_introsort ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_floats-a41711399864d841
[INFO] [stdout] test test_insertion_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test bench::test_sort_few_zeros ... ok
[INFO] [stdout] test bench::test_sort_zeros ... ok
[INFO] [stdout] test bench::test_sort_floats ... ok
[INFO] [stderr]    Doc-tests quickersort
[INFO] [stdout] test bench::test_sort_random_floats ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/sort.rs - sort::sort_by (line 32) ... ok
[INFO] [stdout] test src/sort.rs - sort::sort_by_key (line 46) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9c49250fbcd43db3480ed8ac5afbb6f29c22a3d956c889d912ab264074858af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c49250fbcd43db3480ed8ac5afbb6f29c22a3d956c889d912ab264074858af", kill_on_drop: false }`
[INFO] [stdout] d9c49250fbcd43db3480ed8ac5afbb6f29c22a3d956c889d912ab264074858af