[INFO] cloning repository https://github.com/ryo2357/poc-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryo2357/poc-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryo2357%2Fpoc-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryo2357%2Fpoc-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d674145d1c44e4974c6e0d2b150cd3bc4ab62578
[INFO] checking ryo2357/poc-rust against master#a932eb36f8adf6c8cdfc450f063943da3112d621 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryo2357%2Fpoc-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryo2357/poc-rust on toolchain a932eb36f8adf6c8cdfc450f063943da3112d621
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryo2357/poc-rust
[INFO] finished tweaking git repo https://github.com/ryo2357/poc-rust
[INFO] tweaked toml for git repo https://github.com/ryo2357/poc-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ryo2357/poc-rust 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" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78b3fd4942f76fb094e411cb6659cda4ec4d0028cf2bf2be6d97b94c67e2b930
[INFO] running `Command { std: "docker" "start" "-a" "78b3fd4942f76fb094e411cb6659cda4ec4d0028cf2bf2be6d97b94c67e2b930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78b3fd4942f76fb094e411cb6659cda4ec4d0028cf2bf2be6d97b94c67e2b930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b3fd4942f76fb094e411cb6659cda4ec4d0028cf2bf2be6d97b94c67e2b930", kill_on_drop: false }`
[INFO] [stdout] 78b3fd4942f76fb094e411cb6659cda4ec4d0028cf2bf2be6d97b94c67e2b930
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4db323586992273bc8db6c0da64d48ecd2b2ddbab327eb0e8d33a2075fb821e
[INFO] running `Command { std: "docker" "start" "-a" "f4db323586992273bc8db6c0da64d48ecd2b2ddbab327eb0e8d33a2075fb821e", kill_on_drop: false }`
[INFO] [stderr]     Checking idioms v0.1.0 (/opt/rustwide/workdir/idioms)
[INFO] [stderr]     Checking test_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking design_patterns v0.1.0 (/opt/rustwide/workdir/design_patterns)
[INFO] [stdout] warning: function `test1` is never used
[INFO] [stdout]  --> idioms/src/option.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn test1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> idioms/src/option.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![warn(dead_code)]
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test2` is never used
[INFO] [stdout]   --> idioms/src/option.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn test2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Migration` is never used
[INFO] [stdout]  --> design_patterns/src/command_use_fn_trait.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | type Migration<'a> = Box<dyn Fn() -> &'a str>;
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> design_patterns/src/command_use_fn_trait.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![warn(dead_code)]
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schema` is never constructed
[INFO] [stdout]  --> design_patterns/src/command_use_fn_trait.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Schema<'a> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_migration`, `execute`, and `rollback` are never used
[INFO] [stdout]   --> design_patterns/src/command_use_fn_trait.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<'a> Schema<'a> {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn add_migration<E, R>(&mut self, execute: E, rollback: R)
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn execute(&self) -> Vec<&str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn rollback(&self) -> Vec<&str> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_field` is never used
[INFO] [stdout]   --> design_patterns/src/command_use_fn_trait.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn add_field() -> &'static str {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_field` is never used
[INFO] [stdout]   --> design_patterns/src/command_use_fn_trait.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn remove_field() -> &'static str {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FnPtr` is never used
[INFO] [stdout]  --> design_patterns/src/command_use_pointers.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | type FnPtr = fn() -> String;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> design_patterns/src/command_use_pointers.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![warn(dead_code)]
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]  --> design_patterns/src/command_use_pointers.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Command {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schema` is never constructed
[INFO] [stdout]  --> design_patterns/src/command_use_pointers.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Schema {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_migration`, `execute`, and `rollback` are never used
[INFO] [stdout]   --> design_patterns/src/command_use_pointers.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Schema {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 13 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn add_migration(&mut self, execute: FnPtr, rollback: FnPtr) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn execute(&self) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn rollback(&self) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_field` is never used
[INFO] [stdout]   --> design_patterns/src/command_use_pointers.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn add_field() -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_field` is never used
[INFO] [stdout]   --> design_patterns/src/command_use_pointers.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn remove_field() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `execute` and `rollback` are never used
[INFO] [stdout]  --> design_patterns/src/command_use_trait.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Migration {
[INFO] [stdout]   |           --------- methods in this trait
[INFO] [stdout] 3 |     fn execute(&self) -> &str;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 4 |     fn rollback(&self) -> &str;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> design_patterns/src/command_use_trait.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![warn(dead_code)]
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schema` is never constructed
[INFO] [stdout]   --> design_patterns/src/command_use_trait.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Schema {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_migration`, `execute`, and `rollback` are never used
[INFO] [stdout]   --> design_patterns/src/command_use_trait.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Schema {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 32 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn add_migration(&mut self, cmd: Box<dyn Migration>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn execute(&self) -> Vec<&str> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn rollback(&self) -> Vec<&str> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/design_patterns-a5c6631eb79cb2d9.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/design_patterns-a5c6631eb79cb2d9/dep-test-bin-design_patterns`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "f4db323586992273bc8db6c0da64d48ecd2b2ddbab327eb0e8d33a2075fb821e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4db323586992273bc8db6c0da64d48ecd2b2ddbab327eb0e8d33a2075fb821e", kill_on_drop: false }`
[INFO] [stdout] f4db323586992273bc8db6c0da64d48ecd2b2ddbab327eb0e8d33a2075fb821e