[INFO] fetching crate selection_sort 1.1.0...
[INFO] testing selection_sort-1.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate selection_sort 1.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate selection_sort 1.1.0 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 selection_sort 1.1.0
[INFO] finished tweaking crates.io crate selection_sort 1.1.0
[INFO] tweaked toml for crates.io crate selection_sort 1.1.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 841b4d56645373670f4919d435cc1719f9ff55affe2e178a52881929bf385bcd
[INFO] running `Command { std: "docker" "start" "-a" "841b4d56645373670f4919d435cc1719f9ff55affe2e178a52881929bf385bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "841b4d56645373670f4919d435cc1719f9ff55affe2e178a52881929bf385bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841b4d56645373670f4919d435cc1719f9ff55affe2e178a52881929bf385bcd", kill_on_drop: false }`
[INFO] [stdout] 841b4d56645373670f4919d435cc1719f9ff55affe2e178a52881929bf385bcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 449d7835b7b55cf0fb395b09e9718c2bb6a9332247e6cb090d17bdebfee428d4
[INFO] running `Command { std: "docker" "start" "-a" "449d7835b7b55cf0fb395b09e9718c2bb6a9332247e6cb090d17bdebfee428d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling selection_sort v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "449d7835b7b55cf0fb395b09e9718c2bb6a9332247e6cb090d17bdebfee428d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449d7835b7b55cf0fb395b09e9718c2bb6a9332247e6cb090d17bdebfee428d4", kill_on_drop: false }`
[INFO] [stdout] 449d7835b7b55cf0fb395b09e9718c2bb6a9332247e6cb090d17bdebfee428d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9836c8c03cb7279c9b284f90b89efed318e656324f020bd6f8ada102ff2e3218
[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" "9836c8c03cb7279c9b284f90b89efed318e656324f020bd6f8ada102ff2e3218", kill_on_drop: false }`
[INFO] [stderr]    Compiling selection_sort v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "9836c8c03cb7279c9b284f90b89efed318e656324f020bd6f8ada102ff2e3218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9836c8c03cb7279c9b284f90b89efed318e656324f020bd6f8ada102ff2e3218", kill_on_drop: false }`
[INFO] [stdout] 9836c8c03cb7279c9b284f90b89efed318e656324f020bd6f8ada102ff2e3218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 126481f00fa1e0d5c11a87e68c15facc50b0b8434878a382c7df102c14cc875a
[INFO] running `Command { std: "docker" "start" "-a" "126481f00fa1e0d5c11a87e68c15facc50b0b8434878a382c7df102c14cc875a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/selection_sort-06add7c0c2a052d9
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::known_sort_test ... ok
[INFO] [stderr]    Doc-tests selection_sort
[INFO] [stdout] test tests::idempotency ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - selection_sort (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "126481f00fa1e0d5c11a87e68c15facc50b0b8434878a382c7df102c14cc875a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "126481f00fa1e0d5c11a87e68c15facc50b0b8434878a382c7df102c14cc875a", kill_on_drop: false }`
[INFO] [stdout] 126481f00fa1e0d5c11a87e68c15facc50b0b8434878a382c7df102c14cc875a