[INFO] cloning repository https://github.com/ToucheSir/db_tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ToucheSir/db_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToucheSir%2Fdb_tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToucheSir%2Fdb_tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ae57ceba3427ce2fc15e9270affc1017ba6a19b8 [INFO] checking ToucheSir/db_tutorial against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToucheSir%2Fdb_tutorial" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ToucheSir/db_tutorial on toolchain 5518eaa946291f00471af8b254b2a1715f234882 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ToucheSir/db_tutorial [INFO] finished tweaking git repo https://github.com/ToucheSir/db_tutorial [INFO] tweaked toml for git repo https://github.com/ToucheSir/db_tutorial written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ToucheSir/db_tutorial 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bincode v0.9.2 [INFO] [stderr] Downloaded byteorder v1.1.0 [INFO] [stderr] Downloaded serde_derive v1.0.21 [INFO] [stderr] Downloaded serde_derive_internals v0.17.0 [INFO] [stderr] Downloaded serde v1.0.21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 312b7c57fd5dfd09e4414a7efd522c9767a6cdee2e0aae6b5fa2afdaa0fd328d [INFO] running `Command { std: "docker" "start" "-a" "312b7c57fd5dfd09e4414a7efd522c9767a6cdee2e0aae6b5fa2afdaa0fd328d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "312b7c57fd5dfd09e4414a7efd522c9767a6cdee2e0aae6b5fa2afdaa0fd328d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "312b7c57fd5dfd09e4414a7efd522c9767a6cdee2e0aae6b5fa2afdaa0fd328d", kill_on_drop: false }` [INFO] [stdout] 312b7c57fd5dfd09e4414a7efd522c9767a6cdee2e0aae6b5fa2afdaa0fd328d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9ab79c5aabf0505d3c7dfdcec637acfa5dcaa255ff184fc8e18d8a41aca428b7 [INFO] running `Command { std: "docker" "start" "-a" "9ab79c5aabf0505d3c7dfdcec637acfa5dcaa255ff184fc8e18d8a41aca428b7", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking serde v1.0.21 [INFO] [stderr] Compiling serde_derive_internals v0.17.0 [INFO] [stderr] Compiling serde_derive v1.0.21 [INFO] [stderr] Checking bincode v0.9.2 [INFO] [stderr] Checking db_tutorial v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `align_of` [INFO] [stdout] --> src/main.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | use std::mem::{align_of, size_of}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `align_of` [INFO] [stdout] --> src/main.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 15 | use std::mem::{align_of, size_of}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:90:78 [INFO] [stdout] | [INFO] [stdout] 90 | let mut array: [Option>; 100] = unsafe { std::mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_size_of` has been stable since 1.40.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_size_of)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:90:78 [INFO] [stdout] | [INFO] [stdout] 90 | let mut array: [Option>; 100] = unsafe { std::mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_size_of` has been stable since 1.40.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_size_of)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:132:25 [INFO] [stdout] | [INFO] [stdout] 132 | let mut new_page = self.allocate_page(page_num) [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:148:21 [INFO] [stdout] | [INFO] [stdout] 148 | let mut new_page = self.allocate_page(page_num) [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `page_num` and `max_pages` are never read [INFO] [stdout] --> src/main.rs:26:19 [INFO] [stdout] | [INFO] [stdout] 26 | OutOfBounds { page_num: usize, max_pages: usize }, [INFO] [stdout] | ----------- ^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_value` is never used [INFO] [stdout] --> src/main.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl<'a> Cursor<'a> { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | fn set_value(&mut self, val: &Row) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `end` is never used [INFO] [stdout] --> src/main.rs:241:8 [INFO] [stdout] | [INFO] [stdout] 194 | impl<'a> Table { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 241 | fn end(&mut self) -> Box { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[std::option::Option>; 100]` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:90:68 [INFO] [stdout] | [INFO] [stdout] 90 | let mut array: [Option>; 100] = unsafe { std::mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/core/src/option.rs:570:1 [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:132:25 [INFO] [stdout] | [INFO] [stdout] 132 | let mut new_page = self.allocate_page(page_num) [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:148:21 [INFO] [stdout] | [INFO] [stdout] 148 | let mut new_page = self.allocate_page(page_num) [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `page_num` and `max_pages` are never read [INFO] [stdout] --> src/main.rs:26:19 [INFO] [stdout] | [INFO] [stdout] 26 | OutOfBounds { page_num: usize, max_pages: usize }, [INFO] [stdout] | ----------- ^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_value` is never used [INFO] [stdout] --> src/main.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl<'a> Cursor<'a> { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 47 | fn set_value(&mut self, val: &Row) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `end` is never used [INFO] [stdout] --> src/main.rs:241:8 [INFO] [stdout] | [INFO] [stdout] 194 | impl<'a> Table { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 241 | fn end(&mut self) -> Box { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[std::option::Option>; 100]` does not permit being left uninitialized [INFO] [stdout] --> src/main.rs:90:68 [INFO] [stdout] | [INFO] [stdout] 90 | let mut array: [Option>; 100] = unsafe { std::mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /rustc/5518eaa946291f00471af8b254b2a1715f234882/library/core/src/option.rs:570:1 [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.32s [INFO] running `Command { std: "docker" "inspect" "9ab79c5aabf0505d3c7dfdcec637acfa5dcaa255ff184fc8e18d8a41aca428b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ab79c5aabf0505d3c7dfdcec637acfa5dcaa255ff184fc8e18d8a41aca428b7", kill_on_drop: false }` [INFO] [stdout] 9ab79c5aabf0505d3c7dfdcec637acfa5dcaa255ff184fc8e18d8a41aca428b7