[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 try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirugan%2Flittle-database" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kirugan/little-database on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-uds v0.2.3 [INFO] [stderr] Downloaded tokio-threadpool v0.1.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b28f92ee9e754528053de525a106df164cc1033f88a0dee6f163f591f8e0e09 [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" "7b28f92ee9e754528053de525a106df164cc1033f88a0dee6f163f591f8e0e09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b28f92ee9e754528053de525a106df164cc1033f88a0dee6f163f591f8e0e09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b28f92ee9e754528053de525a106df164cc1033f88a0dee6f163f591f8e0e09", kill_on_drop: false }` [INFO] [stdout] 7b28f92ee9e754528053de525a106df164cc1033f88a0dee6f163f591f8e0e09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93737dd76e8dd3bf6930e4314a3d983a6242494fc6fe6f5a663bd5977c0ba0ec [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" "93737dd76e8dd3bf6930e4314a3d983a6242494fc6fe6f5a663bd5977c0ba0ec", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.10 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-threadpool v0.1.8 [INFO] [stderr] Checking tokio-timer v0.2.7 [INFO] [stderr] Checking tokio-current-thread v0.1.3 [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-uds v0.2.3 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.4 [INFO] [stderr] Checking tokio v0.1.11 [INFO] [stderr] Checking RustLearning v0.1.0 (/opt/rustwide/workdir) [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[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] | ^^^ not found in this scope [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] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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[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] | ^^^ not found in this scope [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] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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 `Try`) [INFO] [stdout] --> src/main.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 7 | / fn main() { [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] 10 | | [INFO] [stdout] ... | [INFO] [stdout] 18 | | println!("done") [INFO] [stdout] 19 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [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` [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[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/main.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 7 | / fn main() { [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] 10 | | [INFO] [stdout] ... | [INFO] [stdout] 18 | | println!("done") [INFO] [stdout] 19 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [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: build failed [INFO] running `Command { std: "docker" "inspect" "93737dd76e8dd3bf6930e4314a3d983a6242494fc6fe6f5a663bd5977c0ba0ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93737dd76e8dd3bf6930e4314a3d983a6242494fc6fe6f5a663bd5977c0ba0ec", kill_on_drop: false }` [INFO] [stdout] 93737dd76e8dd3bf6930e4314a3d983a6242494fc6fe6f5a663bd5977c0ba0ec