[INFO] cloning repository https://github.com/cpdean/iterator_compiler_error_rusqlite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cpdean/iterator_compiler_error_rusqlite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpdean%2Fiterator_compiler_error_rusqlite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpdean%2Fiterator_compiler_error_rusqlite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66b5ee4654eda005d5bb0f269973a18f63c6d009
[INFO] checking cpdean/iterator_compiler_error_rusqlite against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpdean%2Fiterator_compiler_error_rusqlite" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cpdean/iterator_compiler_error_rusqlite on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cpdean/iterator_compiler_error_rusqlite
[INFO] finished tweaking git repo https://github.com/cpdean/iterator_compiler_error_rusqlite
[INFO] tweaked toml for git repo https://github.com/cpdean/iterator_compiler_error_rusqlite written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cpdean/iterator_compiler_error_rusqlite already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ce745efeb93b2d584d4368d223b38facfb13d54b6f4befd14ff0f733b10cd30
[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" "1ce745efeb93b2d584d4368d223b38facfb13d54b6f4befd14ff0f733b10cd30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ce745efeb93b2d584d4368d223b38facfb13d54b6f4befd14ff0f733b10cd30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce745efeb93b2d584d4368d223b38facfb13d54b6f4befd14ff0f733b10cd30", kill_on_drop: false }`
[INFO] [stdout] 1ce745efeb93b2d584d4368d223b38facfb13d54b6f4befd14ff0f733b10cd30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eebbace2a445ce71e33e9c97263fb0397acb8376db0eae193f4e68098dd2229
[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" "4eebbace2a445ce71e33e9c97263fb0397acb8376db0eae193f4e68098dd2229", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.15.0
[INFO] [stderr]     Checking rusqlite v0.19.0
[INFO] [stderr]     Checking iterators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `next` found for struct `rusqlite::MappedRows<'_, F>` in the current scope
[INFO] [stdout]   --> src/main.rs:5:7
[INFO] [stdout]    |
[INFO] [stdout] 5  |     m.next().unwrap()
[INFO] [stdout]    |       ^^^^ method not found in `rusqlite::MappedRows<'_, F>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusqlite-0.19.0/src/row.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct MappedRows<'stmt, F> {
[INFO] [stdout]    | ------------------------------- doesn't satisfy `rusqlite::MappedRows<'_, F>: std::iter::Iterator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `next` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `<F as std::ops::FnOnce<(&rusqlite::Row<'_>,)>>::Output = std::result::Result<_, rusqlite::Error>`
[INFO] [stdout]            which is required by `rusqlite::MappedRows<'_, F>: std::iter::Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iterators`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `next` found for struct `rusqlite::MappedRows<'_, F>` in the current scope
[INFO] [stdout]   --> src/main.rs:5:7
[INFO] [stdout]    |
[INFO] [stdout] 5  |     m.next().unwrap()
[INFO] [stdout]    |       ^^^^ method not found in `rusqlite::MappedRows<'_, F>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusqlite-0.19.0/src/row.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct MappedRows<'stmt, F> {
[INFO] [stdout]    | ------------------------------- doesn't satisfy `rusqlite::MappedRows<'_, F>: std::iter::Iterator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `next` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `<F as std::ops::FnOnce<(&rusqlite::Row<'_>,)>>::Output = std::result::Result<_, rusqlite::Error>`
[INFO] [stdout]            which is required by `rusqlite::MappedRows<'_, F>: std::iter::Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4eebbace2a445ce71e33e9c97263fb0397acb8376db0eae193f4e68098dd2229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eebbace2a445ce71e33e9c97263fb0397acb8376db0eae193f4e68098dd2229", kill_on_drop: false }`
[INFO] [stdout] 4eebbace2a445ce71e33e9c97263fb0397acb8376db0eae193f4e68098dd2229