[INFO] fetching crate algos 0.4.0...
[INFO] testing algos-0.4.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate algos 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate algos 0.4.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate algos 0.4.0
[INFO] finished tweaking crates.io crate algos 0.4.0
[INFO] tweaked toml for crates.io crate algos 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8f433fc5be8246577e28f910c71cba719afeec09ba8a53c491d701bd96251bd
[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" "d8f433fc5be8246577e28f910c71cba719afeec09ba8a53c491d701bd96251bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8f433fc5be8246577e28f910c71cba719afeec09ba8a53c491d701bd96251bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f433fc5be8246577e28f910c71cba719afeec09ba8a53c491d701bd96251bd", kill_on_drop: false }`
[INFO] [stdout] d8f433fc5be8246577e28f910c71cba719afeec09ba8a53c491d701bd96251bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] f50ae060f0dbc23172919a01e591fbdd074eda976a5d338ab47e2ddd2b9b40b3
[INFO] running `Command { std: "docker" "start" "-a" "f50ae060f0dbc23172919a01e591fbdd074eda976a5d338ab47e2ddd2b9b40b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[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 num v0.2.1
[INFO] [stderr]    Compiling algos v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.00s
[INFO] running `Command { std: "docker" "inspect" "f50ae060f0dbc23172919a01e591fbdd074eda976a5d338ab47e2ddd2b9b40b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f50ae060f0dbc23172919a01e591fbdd074eda976a5d338ab47e2ddd2b9b40b3", kill_on_drop: false }`
[INFO] [stdout] f50ae060f0dbc23172919a01e591fbdd074eda976a5d338ab47e2ddd2b9b40b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4701223ef1e2f6636d5826be10ef8464d1d14ba58b9a9d9d890eb8464406d6c1
[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" "4701223ef1e2f6636d5826be10ef8464d1d14ba58b9a9d9d890eb8464406d6c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling algos v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "4701223ef1e2f6636d5826be10ef8464d1d14ba58b9a9d9d890eb8464406d6c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4701223ef1e2f6636d5826be10ef8464d1d14ba58b9a9d9d890eb8464406d6c1", kill_on_drop: false }`
[INFO] [stdout] 4701223ef1e2f6636d5826be10ef8464d1d14ba58b9a9d9d890eb8464406d6c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f1d9900e337687b6742651f076851ce0d8a7672592b0e4f846d383533dc07530
[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" "f1d9900e337687b6742651f076851ce0d8a7672592b0e4f846d383533dc07530", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 38 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/algos-221bc078a65bd93c)
[INFO] [stdout] test numerics::factorial::tests::iterator_bignum_at_test ... ok
[INFO] [stdout] test pattern::test::boyer_moore_cases ... ignored
[INFO] [stdout] test numerics::primorial::tests::iterator_test ... ok
[INFO] [stdout] test numerics::fibonacci::tests::fast_doubling_bignum_test ... ok
[INFO] [stdout] test sort::test::insection_test ... ok
[INFO] [stdout] test sort::test::merge_floats_test ... ok
[INFO] [stdout] test sort::test::quick_floats_test ... ok
[INFO] [stdout] test sort::test::merge_test ... ok
[INFO] [stdout] test numerics::primorial::tests::primorial_big_test ... ok
[INFO] [stdout] test sort::test::quick_test ... ok
[INFO] [stdout] test numerics::primorial::tests::recursive_primorial_test ... ok
[INFO] [stdout] test pattern::test::bruteforce_cases ... ok
[INFO] [stdout] test sort::test::selection_test ... ok
[INFO] [stdout] test sort::test::selection_floats_test ... ok
[INFO] [stdout] test pattern::test::horspool_cases ... ok
[INFO] [stdout] test pattern::test::karp_rabin_cases ... ok
[INFO] [stdout] test pattern::test::quick_cases ... ok
[INFO] [stdout] test search::test::binary_test ... ok
[INFO] [stdout] test search::test::exponential_test ... ok
[INFO] [stdout] test sort::test::cocktail_test ... ok
[INFO] [stdout] test sort::test::heap_floats_test ... ok
[INFO] [stdout] test sort::test::heap_test ... ok
[INFO] [stdout] test sort::test::insection_floats_test ... ok
[INFO] [stdout] test numerics::primorial::tests::primorial_test ... ok
[INFO] [stdout] test numerics::fibonacci::tests::fast_doubling_test ... ok
[INFO] [stdout] test numerics::factorial::tests::iterator_bignum_test ... ok
[INFO] [stderr]    Doc-tests algos
[INFO] [stdout] test sort::test::cocktail_floats_test ... ok
[INFO] [stdout] test search::test::linear_test ... ok
[INFO] [stdout] test search::test::fibonacci_test ... ok
[INFO] [stdout] test numerics::fibonacci::tests::recursive_test ... ok
[INFO] [stdout] test sort::test::bubble_floats_test ... ok
[INFO] [stdout] test numerics::fibonacci::tests::iterator_bignum_test ... ok
[INFO] [stdout] test numerics::primorial::tests::is_prime_test ... ok
[INFO] [stdout] test numerics::fibonacci::tests::iterator_test ... ok
[INFO] [stdout] test numerics::primorial::tests::is_prime_big_test ... ok
[INFO] [stdout] test numerics::primorial::tests::recursive_primorial_big_test ... ok
[INFO] [stdout] test sort::test::bubble_test ... ok
[INFO] [stdout] test numerics::fibonacci::tests::dynamic_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/search.rs - search::exponential (line 105) ... ok
[INFO] [stdout] test src/numerics/fibonacci.rs - numerics::fibonacci::Fib (line 18) ... ok
[INFO] [stdout] test src/search.rs - search::fibonacci (line 158) ... ok
[INFO] [stdout] test src/numerics/factorial.rs - numerics::factorial::BigFactorial (line 15) ... ok
[INFO] [stdout] test src/pattern.rs - pattern::horspool (line 163) ... ok
[INFO] [stdout] test src/pattern.rs - pattern::boyer_moore (line 108) ... ok
[INFO] [stdout] test src/search.rs - search::binary (line 59) ... ok
[INFO] [stdout] test src/pattern.rs - pattern::karp_rabin (line 46) ... ok
[INFO] [stdout] test src/sort.rs - sort::merge (line 156) ... ok
[INFO] [stdout] test src/sort.rs - sort::heap (line 265) ... ok
[INFO] [stdout] test src/sort.rs - sort::bubble (line 51) ... ok
[INFO] [stdout] test src/search.rs - search::linear (line 21) ... ok
[INFO] [stdout] test src/sort.rs - sort::insection (line 128) ... ok
[INFO] [stdout] test src/sort.rs - sort::quick (line 217) ... ok
[INFO] [stdout] test src/pattern.rs - pattern::bruteforce (line 15) ... ok
[INFO] [stdout] test src/pattern.rs - pattern::quick_matching (line 258) ... ok
[INFO] [stdout] test src/sort.rs - sort::cocktail (line 80) ... ok
[INFO] [stdout] test src/numerics/primorial.rs - numerics::primorial::BigPrimorial (line 10) ... ok
[INFO] [stdout] test src/sort.rs - sort::selection (line 19) ... ok
[INFO] [stdout] test src/numerics/fibonacci.rs - numerics::fibonacci::BigFib (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f1d9900e337687b6742651f076851ce0d8a7672592b0e4f846d383533dc07530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d9900e337687b6742651f076851ce0d8a7672592b0e4f846d383533dc07530", kill_on_drop: false }`
[INFO] [stdout] f1d9900e337687b6742651f076851ce0d8a7672592b0e4f846d383533dc07530