[INFO] fetching crate chain-intoiter 0.4.0...
[INFO] testing chain-intoiter-0.4.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate chain-intoiter 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate chain-intoiter 0.4.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34fa784367257a9765fa5decdb5d572f703cd4ae63e304d0c000990ef8c54388
[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" "34fa784367257a9765fa5decdb5d572f703cd4ae63e304d0c000990ef8c54388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34fa784367257a9765fa5decdb5d572f703cd4ae63e304d0c000990ef8c54388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fa784367257a9765fa5decdb5d572f703cd4ae63e304d0c000990ef8c54388", kill_on_drop: false }`
[INFO] [stdout] 34fa784367257a9765fa5decdb5d572f703cd4ae63e304d0c000990ef8c54388
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--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] 7cb575679eca3fc33acc8b507c2c28c2b940463083f7695252976f2637b5aef9
[INFO] running `Command { std: "docker" "start" "-a" "7cb575679eca3fc33acc8b507c2c28c2b940463083f7695252976f2637b5aef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling chain-intoiter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "7cb575679eca3fc33acc8b507c2c28c2b940463083f7695252976f2637b5aef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb575679eca3fc33acc8b507c2c28c2b940463083f7695252976f2637b5aef9", kill_on_drop: false }`
[INFO] [stdout] 7cb575679eca3fc33acc8b507c2c28c2b940463083f7695252976f2637b5aef9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5db6361c3e3a58e8e13e2bdc11d5eb5bfe05641407e726adfa51ee6f20c4f2ec
[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" "5db6361c3e3a58e8e13e2bdc11d5eb5bfe05641407e726adfa51ee6f20c4f2ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling chain-intoiter v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "5db6361c3e3a58e8e13e2bdc11d5eb5bfe05641407e726adfa51ee6f20c4f2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db6361c3e3a58e8e13e2bdc11d5eb5bfe05641407e726adfa51ee6f20c4f2ec", kill_on_drop: false }`
[INFO] [stdout] 5db6361c3e3a58e8e13e2bdc11d5eb5bfe05641407e726adfa51ee6f20c4f2ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c04e8185b80b545346453e84dd11e2c3c16fe3df6862b25dc6a899c6b8e8511
[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" "1c04e8185b80b545346453e84dd11e2c3c16fe3df6862b25dc6a899c6b8e8511", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chain_intoiter-49f4cdedf1acd84f)
[INFO] [stderr]    Doc-tests chain-intoiter
[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] [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:12:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | let result = [1, 2, 3].chain(&[4, 5, 6]);
[INFO] [stdout]   |                        ^^^^^ expected reference, found integer
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected reference `&{integer}`
[INFO] [stdout]                   found type `{integer}`
[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] 5 | |     a: A,
[INFO] [stdout] 6 | |     b: B,
[INFO] [stdout] 7 | | }
[INFO] [stdout]   | | -
[INFO] [stdout]   | | |
[INFO] [stdout]   | | doesn't satisfy `_: Copy`
[INFO] [stdout]   | | doesn't satisfy `_: IntoIterator`
[INFO] [stdout]   | |_doesn't satisfy `_: Iterator`
[INFO] [stdout]   |   doesn't satisfy `_: chain_intoiter::Chain`
[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 0.24s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "1c04e8185b80b545346453e84dd11e2c3c16fe3df6862b25dc6a899c6b8e8511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c04e8185b80b545346453e84dd11e2c3c16fe3df6862b25dc6a899c6b8e8511", kill_on_drop: false }`
[INFO] [stdout] 1c04e8185b80b545346453e84dd11e2c3c16fe3df6862b25dc6a899c6b8e8511
