[INFO] fetching crate d2_iterators 0.1.0...
[INFO] testing d2_iterators-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate d2_iterators 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate d2_iterators 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate d2_iterators 0.1.0
[INFO] finished tweaking crates.io crate d2_iterators 0.1.0
[INFO] tweaked toml for crates.io crate d2_iterators 0.1.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 960de978b3ce77806fd8fce393defedd2a59e19ece5a1255c6ae267b4c7e3721
[INFO] running `Command { std: "docker" "start" "-a" "960de978b3ce77806fd8fce393defedd2a59e19ece5a1255c6ae267b4c7e3721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "960de978b3ce77806fd8fce393defedd2a59e19ece5a1255c6ae267b4c7e3721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960de978b3ce77806fd8fce393defedd2a59e19ece5a1255c6ae267b4c7e3721", kill_on_drop: false }`
[INFO] [stdout] 960de978b3ce77806fd8fce393defedd2a59e19ece5a1255c6ae267b4c7e3721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 952a0a99ec6a95ca07f846e0140d4146346db4fb4a53ca1b2cfa7374ebb4a5da
[INFO] running `Command { std: "docker" "start" "-a" "952a0a99ec6a95ca07f846e0140d4146346db4fb4a53ca1b2cfa7374ebb4a5da", kill_on_drop: false }`
[INFO] [stderr]    Compiling d2_iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "952a0a99ec6a95ca07f846e0140d4146346db4fb4a53ca1b2cfa7374ebb4a5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952a0a99ec6a95ca07f846e0140d4146346db4fb4a53ca1b2cfa7374ebb4a5da", kill_on_drop: false }`
[INFO] [stdout] 952a0a99ec6a95ca07f846e0140d4146346db4fb4a53ca1b2cfa7374ebb4a5da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86f69ae81d699faee58e7a726ec205f1cb36ba600b30582a22074b285ec2eba9
[INFO] running `Command { std: "docker" "start" "-a" "86f69ae81d699faee58e7a726ec205f1cb36ba600b30582a22074b285ec2eba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling d2_iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/combi.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let v: Vec<&str> = s.split(" ").intersperse(",").collect();
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "86f69ae81d699faee58e7a726ec205f1cb36ba600b30582a22074b285ec2eba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86f69ae81d699faee58e7a726ec205f1cb36ba600b30582a22074b285ec2eba9", kill_on_drop: false }`
[INFO] [stdout] 86f69ae81d699faee58e7a726ec205f1cb36ba600b30582a22074b285ec2eba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c1dcc8db0f3309de4497f9af2ec002c57fb1ae4f04dce9b959ff5ec4fb99390
[INFO] running `Command { std: "docker" "start" "-a" "2c1dcc8db0f3309de4497f9af2ec002c57fb1ae4f04dce9b959ff5ec4fb99390", kill_on_drop: false }`
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/combi.rs:49:41
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let v: Vec<&str> = s.split(" ").intersperse(",").collect();
[INFO] [stderr]    |                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: `d2_iterators` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/d2_iterators-f2e900b839a6b2e6)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test combi::test_skip::test_interleave ... ok
[INFO] [stdout] test combi::test_skip::test_skip_half ... ok
[INFO] [stdout] test combi::test_skip::test_step_by ... ok
[INFO] [stdout] test gen_range::tests::filter ... ok
[INFO] [stdout] test combi::test_skip::test_intersperse ... ok
[INFO] [stdout] test gen_range::tests::gen_test1 ... ok
[INFO] [stdout] test into::test_into::test_into_iter ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/d2_printout-68838958ad872ffc)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests d2_iterators
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c1dcc8db0f3309de4497f9af2ec002c57fb1ae4f04dce9b959ff5ec4fb99390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1dcc8db0f3309de4497f9af2ec002c57fb1ae4f04dce9b959ff5ec4fb99390", kill_on_drop: false }`
[INFO] [stdout] 2c1dcc8db0f3309de4497f9af2ec002c57fb1ae4f04dce9b959ff5ec4fb99390