[INFO] fetching crate chain-intoiter 0.4.0... [INFO] testing chain-intoiter-0.4.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate chain-intoiter 0.4.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate chain-intoiter 0.4.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", 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] b7f51cf849b8e1916949a3f4bf195525a27b2fcc77acbbf4cd53b5e8a36a79ce [INFO] running `Command { std: "docker" "start" "-a" "b7f51cf849b8e1916949a3f4bf195525a27b2fcc77acbbf4cd53b5e8a36a79ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7f51cf849b8e1916949a3f4bf195525a27b2fcc77acbbf4cd53b5e8a36a79ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7f51cf849b8e1916949a3f4bf195525a27b2fcc77acbbf4cd53b5e8a36a79ce", kill_on_drop: false }` [INFO] [stdout] b7f51cf849b8e1916949a3f4bf195525a27b2fcc77acbbf4cd53b5e8a36a79ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f100d620f404e324e185f23cc9be97fd571e795bd005406827a529cd9952ae7 [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" "7f100d620f404e324e185f23cc9be97fd571e795bd005406827a529cd9952ae7", kill_on_drop: false }` [INFO] [stderr] Compiling chain-intoiter v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "7f100d620f404e324e185f23cc9be97fd571e795bd005406827a529cd9952ae7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f100d620f404e324e185f23cc9be97fd571e795bd005406827a529cd9952ae7", kill_on_drop: false }` [INFO] [stdout] 7f100d620f404e324e185f23cc9be97fd571e795bd005406827a529cd9952ae7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 016e8ea089772d993fd7cda4feee2bbbd82530e85cc2dbd19588d5848836036e [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" "016e8ea089772d993fd7cda4feee2bbbd82530e85cc2dbd19588d5848836036e", kill_on_drop: false }` [INFO] [stderr] Compiling chain-intoiter v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "016e8ea089772d993fd7cda4feee2bbbd82530e85cc2dbd19588d5848836036e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "016e8ea089772d993fd7cda4feee2bbbd82530e85cc2dbd19588d5848836036e", kill_on_drop: false }` [INFO] [stdout] 016e8ea089772d993fd7cda4feee2bbbd82530e85cc2dbd19588d5848836036e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b70c0b76547184498726d5e3ea4db49e761269894acee032d2abb8d7e4657bf4 [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" "b70c0b76547184498726d5e3ea4db49e761269894acee032d2abb8d7e4657bf4", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/chain_intoiter-0c9675eee6cafb15) [INFO] [stdout] [INFO] [stderr] Doc-tests chain-intoiter [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 + 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 0.32s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "b70c0b76547184498726d5e3ea4db49e761269894acee032d2abb8d7e4657bf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b70c0b76547184498726d5e3ea4db49e761269894acee032d2abb8d7e4657bf4", kill_on_drop: false }` [INFO] [stdout] b70c0b76547184498726d5e3ea4db49e761269894acee032d2abb8d7e4657bf4