[INFO] cloning repository https://github.com/luigirinaldi/fyp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luigirinaldi/fyp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluigirinaldi%2Ffyp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluigirinaldi%2Ffyp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 638b7d08e0c90f68c912b7cd138ec564654cd201
[INFO] building luigirinaldi/fyp against try#9a3ef2cd3ecaae3c6ef59768612837d797602a6d for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluigirinaldi%2Ffyp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luigirinaldi/fyp on toolchain 9a3ef2cd3ecaae3c6ef59768612837d797602a6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luigirinaldi/fyp
[INFO] finished tweaking git repo https://github.com/luigirinaldi/fyp
[INFO] tweaked toml for git repo https://github.com/luigirinaldi/fyp written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/luigirinaldi/fyp 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" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 127aa0436ac6aff7ab6b26d87e12f90805de6e8226ec0a259279cc2cddcf5a60
[INFO] running `Command { std: "docker" "start" "-a" "127aa0436ac6aff7ab6b26d87e12f90805de6e8226ec0a259279cc2cddcf5a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "127aa0436ac6aff7ab6b26d87e12f90805de6e8226ec0a259279cc2cddcf5a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127aa0436ac6aff7ab6b26d87e12f90805de6e8226ec0a259279cc2cddcf5a60", kill_on_drop: false }`
[INFO] [stdout] 127aa0436ac6aff7ab6b26d87e12f90805de6e8226ec0a259279cc2cddcf5a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eade19881e07b2731c318cbb107af299e68cd0f44fa3dcc91f9b67b33ff58824
[INFO] running `Command { std: "docker" "start" "-a" "eade19881e07b2731c318cbb107af299e68cd0f44fa3dcc91f9b67b33ff58824", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling raw-cpuid v11.2.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling symbolic_expressions v5.0.3
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling symbol_table v0.4.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling rustc-hash v2.1.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling saturating v0.1.0
[INFO] [stderr]    Compiling syn v2.0.94
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling quanta v0.12.5
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling egg v0.10.0
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ffi::OsStr`
[INFO] [stdout]  --> src/extractor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ffi::OsStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Debug`, `Display`, `Formatter`, and `self`
[INFO] [stdout]  --> src/extractor.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{self, Debug, Display, Formatter};
[INFO] [stdout]   |                ^^^^  ^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`, `Result`, and `Write`
[INFO] [stdout]  --> src/extractor.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Error, ErrorKind, Result, Write};
[INFO] [stdout]   |               ^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/extractor.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_dot`, `with_config_line`, `with_anchors`, and `to_png` are never used
[INFO] [stdout]   --> src/dot_equiv.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | / impl<'a, L, N> DotEquiv<'a, L, N>
[INFO] [stdout] 27 | | where
[INFO] [stdout] 28 | |     L: Language + Display,
[INFO] [stdout] 29 | |     N: Analysis<L>,
[INFO] [stdout]    | |___________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |       pub fn to_dot(&self, filename: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |       pub fn with_config_line(mut self, line: impl Into<String>) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |       pub fn with_anchors(mut self, use_anchors: bool) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |       pub fn to_png(&self, filename: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.29s
[INFO] running `Command { std: "docker" "inspect" "eade19881e07b2731c318cbb107af299e68cd0f44fa3dcc91f9b67b33ff58824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eade19881e07b2731c318cbb107af299e68cd0f44fa3dcc91f9b67b33ff58824", kill_on_drop: false }`
[INFO] [stdout] eade19881e07b2731c318cbb107af299e68cd0f44fa3dcc91f9b67b33ff58824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9a3ef2cd3ecaae3c6ef59768612837d797602a6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90705185589bc893bcf763c19a17424a93b61e061005ab34861ac1f9704b2dc4
[INFO] running `Command { std: "docker" "start" "-a" "90705185589bc893bcf763c19a17424a93b61e061005ab34861ac1f9704b2dc4", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::ffi::OsStr`
[INFO] [stdout]  --> src/extractor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ffi::OsStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Debug`, `Display`, `Formatter`, and `self`
[INFO] [stdout]  --> src/extractor.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{self, Debug, Display, Formatter};
[INFO] [stdout]   |                ^^^^  ^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`, `Result`, and `Write`
[INFO] [stdout]  --> src/extractor.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Error, ErrorKind, Result, Write};
[INFO] [stdout]   |               ^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/extractor.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_dot`, `with_config_line`, `with_anchors`, and `to_png` are never used
[INFO] [stdout]   --> src/dot_equiv.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | / impl<'a, L, N> DotEquiv<'a, L, N>
[INFO] [stdout] 27 | | where
[INFO] [stdout] 28 | |     L: Language + Display,
[INFO] [stdout] 29 | |     N: Analysis<L>,
[INFO] [stdout]    | |___________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |       pub fn to_dot(&self, filename: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |       pub fn with_config_line(mut self, line: impl Into<String>) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |       pub fn with_anchors(mut self, use_anchors: bool) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |       pub fn to_png(&self, filename: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ffi::OsStr`
[INFO] [stdout]  --> src/extractor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ffi::OsStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Debug`, `Display`, `Formatter`, and `self`
[INFO] [stdout]  --> src/extractor.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{self, Debug, Display, Formatter};
[INFO] [stdout]   |                ^^^^  ^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind`, `Error`, `Result`, and `Write`
[INFO] [stdout]  --> src/extractor.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Error, ErrorKind, Result, Write};
[INFO] [stdout]   |               ^^^^^  ^^^^^^^^^  ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/extractor.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_dot`, `with_config_line`, `with_anchors`, and `to_png` are never used
[INFO] [stdout]   --> src/dot_equiv.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | / impl<'a, L, N> DotEquiv<'a, L, N>
[INFO] [stdout] 27 | | where
[INFO] [stdout] 28 | |     L: Language + Display,
[INFO] [stdout] 29 | |     N: Analysis<L>,
[INFO] [stdout]    | |___________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |       pub fn to_dot(&self, filename: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |       pub fn with_config_line(mut self, line: impl Into<String>) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |       pub fn with_anchors(mut self, use_anchors: bool) -> Self {
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |       pub fn to_png(&self, filename: impl AsRef<Path>) -> Result<()> {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "90705185589bc893bcf763c19a17424a93b61e061005ab34861ac1f9704b2dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90705185589bc893bcf763c19a17424a93b61e061005ab34861ac1f9704b2dc4", kill_on_drop: false }`
[INFO] [stdout] 90705185589bc893bcf763c19a17424a93b61e061005ab34861ac1f9704b2dc4