[INFO] fetching crate chain-intoiter 0.4.0...
[INFO] testing chain-intoiter-0.4.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate chain-intoiter 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate chain-intoiter 0.4.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chain-intoiter 0.4.0
[INFO] finished tweaking crates.io crate chain-intoiter 0.4.0
[INFO] tweaked toml for crates.io crate chain-intoiter 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80a1dba40d7d7949707120ec030a66a0e0633d10ff524ba714083f9f01b7d684
[INFO] running `Command { std: "docker" "start" "-a" "80a1dba40d7d7949707120ec030a66a0e0633d10ff524ba714083f9f01b7d684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80a1dba40d7d7949707120ec030a66a0e0633d10ff524ba714083f9f01b7d684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a1dba40d7d7949707120ec030a66a0e0633d10ff524ba714083f9f01b7d684", kill_on_drop: false }`
[INFO] [stdout] 80a1dba40d7d7949707120ec030a66a0e0633d10ff524ba714083f9f01b7d684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6fa99b0a0cc3f791e03d7b278cb436ec244ab7ee75cbe0da46f105331da1f80
[INFO] running `Command { std: "docker" "start" "-a" "a6fa99b0a0cc3f791e03d7b278cb436ec244ab7ee75cbe0da46f105331da1f80", kill_on_drop: false }`
[INFO] [stderr]    Compiling chain-intoiter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "a6fa99b0a0cc3f791e03d7b278cb436ec244ab7ee75cbe0da46f105331da1f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fa99b0a0cc3f791e03d7b278cb436ec244ab7ee75cbe0da46f105331da1f80", kill_on_drop: false }`
[INFO] [stdout] a6fa99b0a0cc3f791e03d7b278cb436ec244ab7ee75cbe0da46f105331da1f80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 407751b180772ad8e36a57e297cbdfaa6a439adf003b28a8827be3b129b29e89
[INFO] running `Command { std: "docker" "start" "-a" "407751b180772ad8e36a57e297cbdfaa6a439adf003b28a8827be3b129b29e89", kill_on_drop: false }`
[INFO] [stderr]    Compiling chain-intoiter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "407751b180772ad8e36a57e297cbdfaa6a439adf003b28a8827be3b129b29e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407751b180772ad8e36a57e297cbdfaa6a439adf003b28a8827be3b129b29e89", kill_on_drop: false }`
[INFO] [stdout] 407751b180772ad8e36a57e297cbdfaa6a439adf003b28a8827be3b129b29e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ead381bb06ff34d31f0d0b401902fa25031108baece50d5bf50a27d1e3ff3b5e
[INFO] running `Command { std: "docker" "start" "-a" "ead381bb06ff34d31f0d0b401902fa25031108baece50d5bf50a27d1e3ff3b5e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chain_intoiter-f6d6584dcd6e1764)
[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] [stderr]    Doc-tests chain-intoiter
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Chain::chain (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Chain::chain (line 10) stdout ----
[INFO] [stdout] error[E0271]: type mismatch resolving `<&[{integer}; 3] as IntoIterator>::Item == {integer}`
[INFO] [stdout]   --> src/lib.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 5  | let result = [1, 2, 3].chain(&[4, 5, 6]);
[INFO] [stdout]    |                        ----- ^^^^^^^^^^ expected integer, found `&{integer}`
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `chain_intoiter::Chain::chain`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:17:30
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn chain<B: IntoIterator<Item = Self::Item> + Copy>(self, b: B) -> ChainIntoIter<Self, B> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ required by this bound in `Chain::chain`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `chain` exists for struct `ChainIntoIter<[{integer}; 3], &[{integer}; 3]>`, but its trait bounds were not satisfied
[INFO] [stdout]  --> src/lib.rs:13:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let x = result.chain(&[7, 8, 9]);
[INFO] [stdout]   |                  ^^^^^ method cannot be called on `ChainIntoIter<[{integer}; 3], &[{integer}; 3]>` due to unsatisfied trait bounds
[INFO] [stdout]   |
[INFO] [stdout]  ::: /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / pub struct ChainIntoIter<
[INFO] [stdout] 2 | |     A: IntoIterator + Copy,
[INFO] [stdout] 3 | |     B: IntoIterator<Item = A::Item> + Copy
[INFO] [stdout] 4 | | > {
[INFO] [stdout]   | | -
[INFO] [stdout]   | | |
[INFO] [stdout]   | | doesn't satisfy `_: Chain`
[INFO] [stdout]   | | doesn't satisfy `_: Copy`
[INFO] [stdout]   | |_doesn't satisfy `_: IntoIterator`
[INFO] [stdout]   |   doesn't satisfy `_: Iterator`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the following trait bounds were not satisfied:
[INFO] [stdout]           `ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: IntoIterator`
[INFO] [stdout]           which is required by `ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: chain_intoiter::Chain`
[INFO] [stdout]           `ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: Copy`
[INFO] [stdout]           which is required by `ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: chain_intoiter::Chain`
[INFO] [stdout]           `&ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: IntoIterator`
[INFO] [stdout]           which is required by `&ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: chain_intoiter::Chain`
[INFO] [stdout]           `&mut ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: IntoIterator`
[INFO] [stdout]           which is required by `&mut ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: chain_intoiter::Chain`
[INFO] [stdout]           `&mut ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: Copy`
[INFO] [stdout]           which is required by `&mut ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: chain_intoiter::Chain`
[INFO] [stdout]           `ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: Iterator`
[INFO] [stdout]           which is required by `&mut ChainIntoIter<[{integer}; 3], &[{integer}; 3]>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Chain::chain (line 10)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "ead381bb06ff34d31f0d0b401902fa25031108baece50d5bf50a27d1e3ff3b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead381bb06ff34d31f0d0b401902fa25031108baece50d5bf50a27d1e3ff3b5e", kill_on_drop: false }`
[INFO] [stdout] ead381bb06ff34d31f0d0b401902fa25031108baece50d5bf50a27d1e3ff3b5e
