[INFO] fetching crate d2_iterators_js 0.1.0...
[INFO] testing d2_iterators_js-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate d2_iterators_js 0.1.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate d2_iterators_js 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate d2_iterators_js 0.1.0
[INFO] finished tweaking crates.io crate d2_iterators_js 0.1.0
[INFO] tweaked toml for crates.io crate d2_iterators_js 0.1.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate d2_iterators_js 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d7b29a425131cdca7a983f239ab2d7edb40c4f943f5cd08123fbfe07e64abe5
[INFO] running `Command { std: "docker" "start" "-a" "0d7b29a425131cdca7a983f239ab2d7edb40c4f943f5cd08123fbfe07e64abe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d7b29a425131cdca7a983f239ab2d7edb40c4f943f5cd08123fbfe07e64abe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7b29a425131cdca7a983f239ab2d7edb40c4f943f5cd08123fbfe07e64abe5", kill_on_drop: false }`
[INFO] [stdout] 0d7b29a425131cdca7a983f239ab2d7edb40c4f943f5cd08123fbfe07e64abe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ac5c7db3cf3dceecc2c6c7e8b99d05be3e370d8f135a16f1594fca5026c7b6c
[INFO] running `Command { std: "docker" "start" "-a" "5ac5c7db3cf3dceecc2c6c7e8b99d05be3e370d8f135a16f1594fca5026c7b6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling d2_iterators_js v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "5ac5c7db3cf3dceecc2c6c7e8b99d05be3e370d8f135a16f1594fca5026c7b6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac5c7db3cf3dceecc2c6c7e8b99d05be3e370d8f135a16f1594fca5026c7b6c", kill_on_drop: false }`
[INFO] [stdout] 5ac5c7db3cf3dceecc2c6c7e8b99d05be3e370d8f135a16f1594fca5026c7b6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c045d5e0dd605ba684dcf12fc6f4dc140957f72afd8c558be69aecca6a2f2aff
[INFO] running `Command { std: "docker" "start" "-a" "c045d5e0dd605ba684dcf12fc6f4dc140957f72afd8c558be69aecca6a2f2aff", kill_on_drop: false }`
[INFO] [stderr]    Compiling d2_iterators_js v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/into.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/combi.rs:45:41
[INFO] [stdout]    |
[INFO] [stdout] 45 |         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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/d2_iterators-cb16bc6a01219034)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/d2_printout-55d1aac5d82afc03)
[INFO] running `Command { std: "docker" "inspect" "c045d5e0dd605ba684dcf12fc6f4dc140957f72afd8c558be69aecca6a2f2aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c045d5e0dd605ba684dcf12fc6f4dc140957f72afd8c558be69aecca6a2f2aff", kill_on_drop: false }`
[INFO] [stdout] c045d5e0dd605ba684dcf12fc6f4dc140957f72afd8c558be69aecca6a2f2aff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5750cf648b6dca900702098d0b9ac69e74a4a9705cb548e1dfc44b95954f9b9b
[INFO] running `Command { std: "docker" "start" "-a" "5750cf648b6dca900702098d0b9ac69e74a4a9705cb548e1dfc44b95954f9b9b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/into.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/combi.rs:45:41
[INFO] [stderr]    |
[INFO] [stderr] 45 |         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_js` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/d2_iterators-cb16bc6a01219034)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test combi::test_skip::test_interleave ... ok
[INFO] [stdout] test combi::test_skip::test_intersperse ... ok
[INFO] [stdout] test combi::test_skip::test_skip_half ... ok
[INFO] [stdout] test gen_range::tests::filter ... ok
[INFO] [stdout] test combi::test_skip::test_step_by ... ok
[INFO] [stdout] test gen_range::tests::it_works ... ok
[INFO] [stdout] test into::test_into::test_into_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/d2_printout-55d1aac5d82afc03)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests d2_iterators
[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 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5750cf648b6dca900702098d0b9ac69e74a4a9705cb548e1dfc44b95954f9b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5750cf648b6dca900702098d0b9ac69e74a4a9705cb548e1dfc44b95954f9b9b", kill_on_drop: false }`
[INFO] [stdout] 5750cf648b6dca900702098d0b9ac69e74a4a9705cb548e1dfc44b95954f9b9b