[INFO] cloning repository https://github.com/kirugan/little-database [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirugan/little-database" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirugan%2Flittle-database", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirugan%2Flittle-database'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 794bfe2c40fb82e985fe66d129b40c33cc5c0b89 [INFO] checking kirugan/little-database against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirugan%2Flittle-database" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kirugan/little-database on toolchain 506512391b1a75ae450d36c9420978402a91abcc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kirugan/little-database [INFO] finished tweaking git repo https://github.com/kirugan/little-database [INFO] tweaked toml for git repo https://github.com/kirugan/little-database written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kirugan/little-database already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-io v0.1.10 [INFO] [stderr] Downloaded slab v0.4.1 [INFO] [stderr] Downloaded tokio-executor v0.1.5 [INFO] [stderr] Downloaded bytes v0.4.10 [INFO] [stderr] Downloaded lazycell v1.2.0 [INFO] [stderr] Downloaded tokio-uds v0.2.3 [INFO] [stderr] Downloaded tokio-fs v0.1.4 [INFO] [stderr] Downloaded crossbeam-deque v0.6.1 [INFO] [stderr] Downloaded tokio-threadpool v0.1.8 [INFO] [stderr] Downloaded tokio-tcp v0.1.2 [INFO] [stderr] Downloaded crossbeam-epoch v0.5.2 [INFO] [stderr] Downloaded tokio-udp v0.1.2 [INFO] [stderr] Downloaded crossbeam-utils v0.5.0 [INFO] [stderr] Downloaded tokio-current-thread v0.1.3 [INFO] [stderr] Downloaded tokio-reactor v0.1.6 [INFO] [stderr] Downloaded tokio-timer v0.2.7 [INFO] [stderr] Downloaded tokio v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28d0136884472c841bb97c85bc84d5b2ba9b9a1012d5a3e541db8a6faebdfc2e [INFO] running `Command { std: "docker" "start" "-a" "28d0136884472c841bb97c85bc84d5b2ba9b9a1012d5a3e541db8a6faebdfc2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28d0136884472c841bb97c85bc84d5b2ba9b9a1012d5a3e541db8a6faebdfc2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28d0136884472c841bb97c85bc84d5b2ba9b9a1012d5a3e541db8a6faebdfc2e", kill_on_drop: false }` [INFO] [stdout] 28d0136884472c841bb97c85bc84d5b2ba9b9a1012d5a3e541db8a6faebdfc2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1f6a1c12315815bff98527f2c552ddd68b0ec34dd4fcd54f64e4eb51141108eb [INFO] running `Command { std: "docker" "start" "-a" "1f6a1c12315815bff98527f2c552ddd68b0ec34dd4fcd54f64e4eb51141108eb", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-current-thread v0.1.3 [INFO] [stderr] Checking tokio-timer v0.2.7 [INFO] [stderr] Checking tokio-threadpool v0.1.8 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.3 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio v0.1.11 [INFO] [stderr] Checking RustLearning v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | type OID = int; [INFO] [stdout] | ^^^ [INFO] [stdout] | | [INFO] [stdout] | not found in this scope [INFO] [stdout] | help: perhaps you intended to use this type: `i32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `int` in this scope [INFO] [stdout] --> src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | type OID = int; [INFO] [stdout] | ^^^ [INFO] [stdout] | | [INFO] [stdout] | not found in this scope [INFO] [stdout] | help: perhaps you intended to use this type: `i32` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `page` in this scope [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | page = pool.get_page(0); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] help: you might have meant to introduce a new binding [INFO] [stdout] | [INFO] [stdout] 12 | let page = pool.get_page(0); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `page` in this scope [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | page = pool.get_page(0); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] help: you might have meant to introduce a new binding [INFO] [stdout] | [INFO] [stdout] 12 | let page = pool.get_page(0); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/main.rs:9:38 [INFO] [stdout] | [INFO] [stdout] 7 | fn main() { [INFO] [stdout] | --------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] 8 | let mut manager = block_manager::BlockManager::open("H:\\RustLearning\\commit.log", 4026).unwrap(); [INFO] [stdout] 9 | let block = manager.read_block(0)?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/main.rs:9:38 [INFO] [stdout] | [INFO] [stdout] 7 | fn main() { [INFO] [stdout] | --------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] 8 | let mut manager = block_manager::BlockManager::open("H:\\RustLearning\\commit.log", 4026).unwrap(); [INFO] [stdout] 9 | let block = manager.read_block(0)?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BufferPool` [INFO] [stdout] --> src/main.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | let pool = BufferPool::new(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `BufferPool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BufferPool` [INFO] [stdout] --> src/main.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | let pool = BufferPool::new(); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `BufferPool` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0425, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0412, E0425, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `RustLearning` (bin "RustLearning") due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `RustLearning` (bin "RustLearning" test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "1f6a1c12315815bff98527f2c552ddd68b0ec34dd4fcd54f64e4eb51141108eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f6a1c12315815bff98527f2c552ddd68b0ec34dd4fcd54f64e4eb51141108eb", kill_on_drop: false }` [INFO] [stdout] 1f6a1c12315815bff98527f2c552ddd68b0ec34dd4fcd54f64e4eb51141108eb [INFO] checking kirugan/little-database against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirugan%2Flittle-database" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kirugan/little-database on toolchain dae34b759e282c069aa28752564694effd121a63 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kirugan/little-database [INFO] finished tweaking git repo https://github.com/kirugan/little-database [INFO] tweaked toml for git repo https://github.com/kirugan/little-database written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kirugan/little-database already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5b0ea8e9c4804b91c41b36df8d39c3e3a97900d29b0c4a1c40abe7a07d71d80 [INFO] running `Command { std: "docker" "start" "-a" "c5b0ea8e9c4804b91c41b36df8d39c3e3a97900d29b0c4a1c40abe7a07d71d80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5b0ea8e9c4804b91c41b36df8d39c3e3a97900d29b0c4a1c40abe7a07d71d80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5b0ea8e9c4804b91c41b36df8d39c3e3a97900d29b0c4a1c40abe7a07d71d80", kill_on_drop: false }` [INFO] [stdout] c5b0ea8e9c4804b91c41b36df8d39c3e3a97900d29b0c4a1c40abe7a07d71d80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] acb37082f2769d1bc9f2966385498695bbca3aa1545355d0c4550f5005ad7ddb [INFO] running `Command { std: "docker" "start" "-a" "acb37082f2769d1bc9f2966385498695bbca3aa1545355d0c4550f5005ad7ddb", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "acb37082f2769d1bc9f2966385498695bbca3aa1545355d0c4550f5005ad7ddb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acb37082f2769d1bc9f2966385498695bbca3aa1545355d0c4550f5005ad7ddb", kill_on_drop: false }` [INFO] [stdout] acb37082f2769d1bc9f2966385498695bbca3aa1545355d0c4550f5005ad7ddb