[INFO] crate par-map 0.1.4 is already in cache
[INFO] testing par-map-0.1.4 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate par-map 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate par-map 0.1.4 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate par-map 0.1.4
[INFO] finished tweaking crates.io crate par-map 0.1.4
[INFO] tweaked toml for crates.io crate par-map 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3642a594876593bd64c422d6a5b0babf7b41ebfcbdce68e2db699358cb293ced
[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" "3642a594876593bd64c422d6a5b0babf7b41ebfcbdce68e2db699358cb293ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3642a594876593bd64c422d6a5b0babf7b41ebfcbdce68e2db699358cb293ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3642a594876593bd64c422d6a5b0babf7b41ebfcbdce68e2db699358cb293ced", kill_on_drop: false }`
[INFO] [stdout] 3642a594876593bd64c422d6a5b0babf7b41ebfcbdce68e2db699358cb293ced
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e8e24e611d5dc237139f6bd44f9e40cd8da7fb4a9be448bc5cbbf8432793ec0
[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" "1e8e24e611d5dc237139f6bd44f9e40cd8da7fb4a9be448bc5cbbf8432793ec0", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling pub-iterator-type v0.1.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling par-map v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:334:28
[INFO] [stdout]     |
[INFO] [stdout] 334 |     PackedMap['a, B] = Box<Iterator<Item = B> + 'a>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = B> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:334:28
[INFO] [stdout]     |
[INFO] [stdout] 334 |     PackedMap['a, B] = Box<Iterator<Item = B> + 'a>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = B> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:338:32
[INFO] [stdout]     |
[INFO] [stdout] 338 |     PackedFlatMap['a, T] = Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "1e8e24e611d5dc237139f6bd44f9e40cd8da7fb4a9be448bc5cbbf8432793ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8e24e611d5dc237139f6bd44f9e40cd8da7fb4a9be448bc5cbbf8432793ec0", kill_on_drop: false }`
[INFO] [stdout] 1e8e24e611d5dc237139f6bd44f9e40cd8da7fb4a9be448bc5cbbf8432793ec0
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5994c72762df37c0fa1aa95366aeb73b971fa74503a5ad15358b45bbb8d0e8f9
[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" "5994c72762df37c0fa1aa95366aeb73b971fa74503a5ad15358b45bbb8d0e8f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling par-map v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:334:28
[INFO] [stdout]     |
[INFO] [stdout] 334 |     PackedMap['a, B] = Box<Iterator<Item = B> + 'a>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = B> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:334:28
[INFO] [stdout]     |
[INFO] [stdout] 334 |     PackedMap['a, B] = Box<Iterator<Item = B> + 'a>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = B> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:338:32
[INFO] [stdout]     |
[INFO] [stdout] 338 |     PackedFlatMap['a, T] = Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:334:28
[INFO] [stdout]     |
[INFO] [stdout] 334 |     PackedMap['a, B] = Box<Iterator<Item = B> + 'a>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = B> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:334:28
[INFO] [stdout]     |
[INFO] [stdout] 334 |     PackedMap['a, B] = Box<Iterator<Item = B> + 'a>
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = B> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:338:32
[INFO] [stdout]     |
[INFO] [stdout] 338 |     PackedFlatMap['a, T] = Box<Iterator<Item = T> + 'a>
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "5994c72762df37c0fa1aa95366aeb73b971fa74503a5ad15358b45bbb8d0e8f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5994c72762df37c0fa1aa95366aeb73b971fa74503a5ad15358b45bbb8d0e8f9", kill_on_drop: false }`
[INFO] [stdout] 5994c72762df37c0fa1aa95366aeb73b971fa74503a5ad15358b45bbb8d0e8f9
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce9464d63f39c196176e067f8a7de30b2dcb392f8e9eb7af5460261fe637932f
[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" "ce9464d63f39c196176e067f8a7de30b2dcb392f8e9eb7af5460261fe637932f", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:334:28
[INFO] [stderr]     |
[INFO] [stderr] 334 |     PackedMap['a, B] = Box<Iterator<Item = B> + 'a>
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = B> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:334:28
[INFO] [stderr]     |
[INFO] [stderr] 334 |     PackedMap['a, B] = Box<Iterator<Item = B> + 'a>
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = B> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:338:32
[INFO] [stderr]     |
[INFO] [stderr] 338 |     PackedFlatMap['a, T] = Box<Iterator<Item = T> + 'a>
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:334:28
[INFO] [stderr]     |
[INFO] [stderr] 334 |     PackedMap['a, B] = Box<Iterator<Item = B> + 'a>
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = B> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:334:28
[INFO] [stderr]     |
[INFO] [stderr] 334 |     PackedMap['a, B] = Box<Iterator<Item = B> + 'a>
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = B> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:338:32
[INFO] [stderr]     |
[INFO] [stderr] 338 |     PackedFlatMap['a, T] = Box<Iterator<Item = T> + 'a>
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/par_map-5d796f8975fac3f2
[INFO] [stderr]    Doc-tests par-map
[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] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - ParMap (line 27) ... ok
[INFO] [stdout] test src/lib.rs - ParMap::pack (line 107) ... ok
[INFO] [stdout] test src/lib.rs - ParMapBuilder<I>::par_flat_map (line 379) ... ok
[INFO] [stdout] test src/lib.rs - ParMap::par_flat_map (line 83) ... ok
[INFO] [stdout] test src/lib.rs - ParMapBuilder<I>::par_packed_flat_map (line 439) ... ok
[INFO] [stdout] test src/lib.rs - ParMap::with_nb_threads (line 172) ... ok
[INFO] [stdout] test src/lib.rs - ParMap::par_map (line 56) ... ok
[INFO] [stdout] test src/lib.rs - ParMap::par_packed_map (line 124) ... ok
[INFO] [stdout] test src/lib.rs - ParMap::par_packed_flat_map (line 147) ... ok
[INFO] [stdout] test src/lib.rs - ParMapBuilder<I>::par_packed_map (line 403) ... ok
[INFO] [stdout] test src/lib.rs - ParMapBuilder<I>::par_map (line 355) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ce9464d63f39c196176e067f8a7de30b2dcb392f8e9eb7af5460261fe637932f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce9464d63f39c196176e067f8a7de30b2dcb392f8e9eb7af5460261fe637932f", kill_on_drop: false }`
[INFO] [stdout] ce9464d63f39c196176e067f8a7de30b2dcb392f8e9eb7af5460261fe637932f