[INFO] cloning repository https://github.com/jakubtuchol/rust_sorting_experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubtuchol/rust_sorting_experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtuchol%2Frust_sorting_experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtuchol%2Frust_sorting_experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7404b8a99bf6de1cc8d7bd4d4afacfcc3eeeb418
[INFO] testing jakubtuchol/rust_sorting_experiments against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubtuchol%2Frust_sorting_experiments" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakubtuchol/rust_sorting_experiments on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakubtuchol/rust_sorting_experiments
[INFO] finished tweaking git repo https://github.com/jakubtuchol/rust_sorting_experiments
[INFO] tweaked toml for git repo https://github.com/jakubtuchol/rust_sorting_experiments written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jakubtuchol/rust_sorting_experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a524501f6b675a61d02034ab80d34f6e7354df012fe0fa4487dea043340938d
[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" "5a524501f6b675a61d02034ab80d34f6e7354df012fe0fa4487dea043340938d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a524501f6b675a61d02034ab80d34f6e7354df012fe0fa4487dea043340938d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a524501f6b675a61d02034ab80d34f6e7354df012fe0fa4487dea043340938d", kill_on_drop: false }`
[INFO] [stdout] 5a524501f6b675a61d02034ab80d34f6e7354df012fe0fa4487dea043340938d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a8ed886f784acd9147b197f2e3c7f2d1f61a7735149f1358011539329246744
[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" "9a8ed886f784acd9147b197f2e3c7f2d1f61a7735149f1358011539329246744", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorting v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "9a8ed886f784acd9147b197f2e3c7f2d1f61a7735149f1358011539329246744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8ed886f784acd9147b197f2e3c7f2d1f61a7735149f1358011539329246744", kill_on_drop: false }`
[INFO] [stdout] 9a8ed886f784acd9147b197f2e3c7f2d1f61a7735149f1358011539329246744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8de0d330de5a82746d67936f6a05c2f85cc4a72d3f3cb752ddaefe12b3f3f7a
[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" "c8de0d330de5a82746d67936f6a05c2f85cc4a72d3f3cb752ddaefe12b3f3f7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorting v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "c8de0d330de5a82746d67936f6a05c2f85cc4a72d3f3cb752ddaefe12b3f3f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8de0d330de5a82746d67936f6a05c2f85cc4a72d3f3cb752ddaefe12b3f3f7a", kill_on_drop: false }`
[INFO] [stdout] c8de0d330de5a82746d67936f6a05c2f85cc4a72d3f3cb752ddaefe12b3f3f7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0817a3c018f622b6d530690ba97def222f5d4820edb314247f2a3324dc70941
[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" "a0817a3c018f622b6d530690ba97def222f5d4820edb314247f2a3324dc70941", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 18 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sorting-90662a1ce271ded0
[INFO] [stdout] test bubble::test_sort_small_vector ... ok
[INFO] [stdout] test heap::test_random_nonuniform_vector ... ok
[INFO] [stdout] test rand_range::test_ensure_nonuniform_range_not_equal ... ok
[INFO] [stdout] test heap::test_randomly_generated_vector ... ok
[INFO] [stdout] test quick::test_random_nonuniform_vector ... ok
[INFO] [stdout] test quick::test_randomly_generated_vector ... ok
[INFO] [stdout] test heap::test_sort_small_vector ... ok
[INFO] [stdout] test merge::test_sort_small_vector ... ok
[INFO] [stdout] test insertion::test_sort_small_vector ... ok
[INFO] [stdout] test merge::test_randomly_generated_vector ... ok
[INFO] [stdout] test quick::test_sort_small_vector ... ok
[INFO] [stdout] test merge::test_random_nonuniform_vector ... ok
[INFO] [stdout] test insertion::test_randomly_generated_vector ... ok
[INFO] [stdout] test insertion::test_random_nonuniform_vector ... ok
[INFO] [stdout] test bubble::test_random_nonuniform_vector ... ok
[INFO] [stdout] test bubble::test_randomly_generated_vector ... ok
[INFO] [stdout] test rand_range::test_check_vector_sizes ... ok
[INFO] [stdout] test rand_range::test_ensure_not_equal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sorting
[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 `Command { std: "docker" "inspect" "a0817a3c018f622b6d530690ba97def222f5d4820edb314247f2a3324dc70941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0817a3c018f622b6d530690ba97def222f5d4820edb314247f2a3324dc70941", kill_on_drop: false }`
[INFO] [stdout] a0817a3c018f622b6d530690ba97def222f5d4820edb314247f2a3324dc70941