[INFO] fetching crate merging-iterator 1.3.0...
[INFO] testing merging-iterator-1.3.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate merging-iterator 1.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate merging-iterator 1.3.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merging-iterator 1.3.0
[INFO] finished tweaking crates.io crate merging-iterator 1.3.0
[INFO] tweaked toml for crates.io crate merging-iterator 1.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proptest v0.9.6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] b9c59e7c2078ad258bde5f0fa67ed09302aa76e3ef102b228c55f72a2c27e20e
[INFO] running `Command { std: "docker" "start" "-a" "b9c59e7c2078ad258bde5f0fa67ed09302aa76e3ef102b228c55f72a2c27e20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9c59e7c2078ad258bde5f0fa67ed09302aa76e3ef102b228c55f72a2c27e20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c59e7c2078ad258bde5f0fa67ed09302aa76e3ef102b228c55f72a2c27e20e", kill_on_drop: false }`
[INFO] [stdout] b9c59e7c2078ad258bde5f0fa67ed09302aa76e3ef102b228c55f72a2c27e20e
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c14ec76716732246d36eae48b56b5e1de2ff1eb80d88c325adae843d4d84685
[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" "0c14ec76716732246d36eae48b56b5e1de2ff1eb80d88c325adae843d4d84685", kill_on_drop: false }`
[INFO] [stderr]    Compiling merging-iterator v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "0c14ec76716732246d36eae48b56b5e1de2ff1eb80d88c325adae843d4d84685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c14ec76716732246d36eae48b56b5e1de2ff1eb80d88c325adae843d4d84685", kill_on_drop: false }`
[INFO] [stdout] 0c14ec76716732246d36eae48b56b5e1de2ff1eb80d88c325adae843d4d84685
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 69c63b3bb3b07b5426b0fd3fa46e7245bf86c03ff04aadbf936968eac10d3734
[INFO] running `Command { std: "docker" "start" "-a" "69c63b3bb3b07b5426b0fd3fa46e7245bf86c03ff04aadbf936968eac10d3734", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling merging-iterator v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.01s
[INFO] running `Command { std: "docker" "inspect" "69c63b3bb3b07b5426b0fd3fa46e7245bf86c03ff04aadbf936968eac10d3734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c63b3bb3b07b5426b0fd3fa46e7245bf86c03ff04aadbf936968eac10d3734", kill_on_drop: false }`
[INFO] [stdout] 69c63b3bb3b07b5426b0fd3fa46e7245bf86c03ff04aadbf936968eac10d3734
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] dd633471a8cb43320c86d744d6d1accd0043525abcc6a63f5442c413aee8c062
[INFO] running `Command { std: "docker" "start" "-a" "dd633471a8cb43320c86d744d6d1accd0043525abcc6a63f5442c413aee8c062", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/merging_iterator-6cb24001f9e9d81e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_merge_unord ... ok
[INFO] [stdout] test tests::test_multiple_iterators ... ok
[INFO] [stdout] test tests::test_merge_sorted_iterators ... ok
[INFO] [stdout] test tests::test_is_sorted_property ... ok
[INFO] [stdout] test tests::test_is_sorted_property_for_multiple_iterators ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merging-iterator
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - MergeIter<L,R,T>::with_custom_ordering (line 79) ... ok
[INFO] [stdout] test src/lib.rs - MergeIter<L,R,T>::new (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd633471a8cb43320c86d744d6d1accd0043525abcc6a63f5442c413aee8c062", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd633471a8cb43320c86d744d6d1accd0043525abcc6a63f5442c413aee8c062", kill_on_drop: false }`
[INFO] [stdout] dd633471a8cb43320c86d744d6d1accd0043525abcc6a63f5442c413aee8c062