[INFO] cloning repository https://github.com/CircuitCoder/MeowBox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CircuitCoder/MeowBox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FMeowBox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FMeowBox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01c59ac7d193595e0796eb87545f4567fa5d9c11
[INFO] testing CircuitCoder/MeowBox against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCircuitCoder%2FMeowBox" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CircuitCoder/MeowBox
[INFO] finished tweaking git repo https://github.com/CircuitCoder/MeowBox
[INFO] tweaked toml for git repo https://github.com/CircuitCoder/MeowBox written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CircuitCoder/MeowBox on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CircuitCoder/MeowBox 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acd11639fc2dddb6f54d9c66d65d73e7fbbdf01f4c4fcc96fd05622263b3062a
[INFO] running `Command { std: "docker" "start" "-a" "acd11639fc2dddb6f54d9c66d65d73e7fbbdf01f4c4fcc96fd05622263b3062a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acd11639fc2dddb6f54d9c66d65d73e7fbbdf01f4c4fcc96fd05622263b3062a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd11639fc2dddb6f54d9c66d65d73e7fbbdf01f4c4fcc96fd05622263b3062a", kill_on_drop: false }`
[INFO] [stdout] acd11639fc2dddb6f54d9c66d65d73e7fbbdf01f4c4fcc96fd05622263b3062a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6cd613e01bdbdb41be069fa915db6c5653c3bb8732156f4dde4da74e6391e4fe
[INFO] running `Command { std: "docker" "start" "-a" "6cd613e01bdbdb41be069fa915db6c5653c3bb8732156f4dde4da74e6391e4fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling meow-box v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::*`
[INFO] [stdout]  --> src/record.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/storage.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Storage {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |   pub fn get(&self, id: u64) -> Option<StorageFile> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/storage.rs:73:3
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct StorageFile {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 73 |   id: u64,
[INFO] [stdout]    |   ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StorageFile` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FieldType` is never used
[INFO] [stdout]  --> src/record.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum FieldType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/record.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl FieldType {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 12 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schema` is never constructed
[INFO] [stdout]   --> src/record.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Schema {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/record.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Schema {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 25 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]   --> src/record.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Record<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cursor` is never constructed
[INFO] [stdout]   --> src/record.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Cursor<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]   --> src/record.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<'a> Cursor<'a> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 48 |   fn next<'b>(&'b mut self) -> Option<Record<'b>> {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Manager` is never constructed
[INFO] [stdout]   --> src/record.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct Manager {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_page`, and `cursor` are never used
[INFO] [stdout]   --> src/record.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Manager {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 83 |   pub fn new(storage: StorageFile, occupied: Vec<usize>) -> Manager {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |   pub fn read_page(&mut self, at: usize, buf: &mut Page) -> Option<usize> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |   fn cursor<'a>(&'a mut self, schema: Schema) -> Cursor<'a> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/storage.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |   pub fn occupy(&mut self) -> MutexGuard<File> {
[INFO] [stdout]    |                 ^^^^^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |   pub fn occupy(&mut self) -> MutexGuard<'_, File> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/record.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 |       self.storage.read_page(at, buf);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |       let _ = self.storage.read_page(at, buf);
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "6cd613e01bdbdb41be069fa915db6c5653c3bb8732156f4dde4da74e6391e4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd613e01bdbdb41be069fa915db6c5653c3bb8732156f4dde4da74e6391e4fe", kill_on_drop: false }`
[INFO] [stdout] 6cd613e01bdbdb41be069fa915db6c5653c3bb8732156f4dde4da74e6391e4fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] eea97b826ecd1559375e37d4ac1cce232852ca1118c211bf014c8d90249524c3
[INFO] running `Command { std: "docker" "start" "-a" "eea97b826ecd1559375e37d4ac1cce232852ca1118c211bf014c8d90249524c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling meow-box v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::*`
[INFO] [stdout]  --> src/record.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/storage.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Storage {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |   pub fn get(&self, id: u64) -> Option<StorageFile> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/storage.rs:73:3
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct StorageFile {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 73 |   id: u64,
[INFO] [stdout]    |   ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StorageFile` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FieldType` is never used
[INFO] [stdout]  --> src/record.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum FieldType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/record.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl FieldType {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 12 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schema` is never constructed
[INFO] [stdout]   --> src/record.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Schema {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]   --> src/record.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Schema {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 25 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]   --> src/record.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Record<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cursor` is never constructed
[INFO] [stdout]   --> src/record.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Cursor<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]   --> src/record.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<'a> Cursor<'a> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 48 |   fn next<'b>(&'b mut self) -> Option<Record<'b>> {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Manager` is never constructed
[INFO] [stdout]   --> src/record.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct Manager {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_page`, and `cursor` are never used
[INFO] [stdout]   --> src/record.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Manager {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 83 |   pub fn new(storage: StorageFile, occupied: Vec<usize>) -> Manager {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |   pub fn read_page(&mut self, at: usize, buf: &mut Page) -> Option<usize> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |   fn cursor<'a>(&'a mut self, schema: Schema) -> Cursor<'a> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/storage.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |   pub fn occupy(&mut self) -> MutexGuard<File> {
[INFO] [stdout]    |                 ^^^^^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 78 |   pub fn occupy(&mut self) -> MutexGuard<'_, File> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/record.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 |       self.storage.read_page(at, buf);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |       let _ = self.storage.read_page(at, buf);
[INFO] [stdout]    |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "eea97b826ecd1559375e37d4ac1cce232852ca1118c211bf014c8d90249524c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea97b826ecd1559375e37d4ac1cce232852ca1118c211bf014c8d90249524c3", kill_on_drop: false }`
[INFO] [stdout] eea97b826ecd1559375e37d4ac1cce232852ca1118c211bf014c8d90249524c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 632fc3b26097285ddd44e8191920aee479a79a1b647731198a225dadee0d976e
[INFO] running `Command { std: "docker" "start" "-a" "632fc3b26097285ddd44e8191920aee479a79a1b647731198a225dadee0d976e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::sync::*`
[INFO] [stderr]  --> src/record.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `get` is never used
[INFO] [stderr]   --> src/storage.rs:51:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Storage {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 51 |   pub fn get(&self, id: u64) -> Option<StorageFile> {
[INFO] [stderr]    |          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/storage.rs:73:3
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub struct StorageFile {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 73 |   id: u64,
[INFO] [stderr]    |   ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `StorageFile` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: enum `FieldType` is never used
[INFO] [stderr]  --> src/record.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum FieldType {
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `len` is never used
[INFO] [stderr]   --> src/record.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl FieldType {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] 12 |   fn len(&self) -> usize {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Schema` is never constructed
[INFO] [stderr]   --> src/record.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | struct Schema {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `len` is never used
[INFO] [stderr]   --> src/record.rs:25:6
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Schema {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 25 |   fn len(&self) -> usize {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Record` is never constructed
[INFO] [stderr]   --> src/record.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct Record<'a> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Cursor` is never constructed
[INFO] [stderr]   --> src/record.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct Cursor<'a> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `next` is never used
[INFO] [stderr]   --> src/record.rs:48:6
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl<'a> Cursor<'a> {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] 48 |   fn next<'b>(&'b mut self) -> Option<Record<'b>> {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Manager` is never constructed
[INFO] [stderr]   --> src/record.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | struct Manager {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `read_page`, and `cursor` are never used
[INFO] [stderr]   --> src/record.rs:83:10
[INFO] [stderr]    |
[INFO] [stderr] 82 | impl Manager {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 83 |   pub fn new(storage: StorageFile, occupied: Vec<usize>) -> Manager {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 87 |   pub fn read_page(&mut self, at: usize, buf: &mut Page) -> Option<usize> {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 95 |   fn cursor<'a>(&'a mut self, schema: Schema) -> Cursor<'a> {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/storage.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |   pub fn occupy(&mut self) -> MutexGuard<File> {
[INFO] [stderr]    |                 ^^^^^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 78 |   pub fn occupy(&mut self) -> MutexGuard<'_, File> {
[INFO] [stderr]    |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/record.rs:90:7
[INFO] [stderr]    |
[INFO] [stderr] 90 |       self.storage.read_page(at, buf);
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 90 |       let _ = self.storage.read_page(at, buf);
[INFO] [stderr]    |       +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `meow-box` (bin "meow-box" test) generated 14 warnings (run `cargo fix --bin "meow-box" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/meow_box-5737348a855f20bf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "632fc3b26097285ddd44e8191920aee479a79a1b647731198a225dadee0d976e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632fc3b26097285ddd44e8191920aee479a79a1b647731198a225dadee0d976e", kill_on_drop: false }`
[INFO] [stdout] 632fc3b26097285ddd44e8191920aee479a79a1b647731198a225dadee0d976e