[INFO] cloning repository https://github.com/HackerJB10/supplement_p2_10
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HackerJB10/supplement_p2_10" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHackerJB10%2Fsupplement_p2_10", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHackerJB10%2Fsupplement_p2_10'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6a4d957f76c66ded57b81d26938c08655fc84da
[INFO] testing HackerJB10/supplement_p2_10 against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHackerJB10%2Fsupplement_p2_10" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/HackerJB10/supplement_p2_10
[INFO] finished tweaking git repo https://github.com/HackerJB10/supplement_p2_10
[INFO] tweaked toml for git repo https://github.com/HackerJB10/supplement_p2_10 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HackerJB10/supplement_p2_10 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/HackerJB10/supplement_p2_10 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bc576d4076378de15c55faa959d600f41cd4097214cc9bd1f6a25d8e415a9d2
[INFO] running `Command { std: "docker" "start" "-a" "0bc576d4076378de15c55faa959d600f41cd4097214cc9bd1f6a25d8e415a9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bc576d4076378de15c55faa959d600f41cd4097214cc9bd1f6a25d8e415a9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc576d4076378de15c55faa959d600f41cd4097214cc9bd1f6a25d8e415a9d2", kill_on_drop: false }`
[INFO] [stdout] 0bc576d4076378de15c55faa959d600f41cd4097214cc9bd1f6a25d8e415a9d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd22ed5c1b703078ff796e93b48fb81c47a775c614f4ae59b120b705756f617
[INFO] running `Command { std: "docker" "start" "-a" "4bd22ed5c1b703078ff796e93b48fb81c47a775c614f4ae59b120b705756f617", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling supplement_p2_10 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `time::SystemTime`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     time::SystemTime,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/lib.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/test.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use super::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | mod test;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `self`
[INFO] [stdout]   --> src/test.rs:2:19
[INFO] [stdout]    |
[INFO] [stdout]  2 |     use std::fs::{self, File};
[INFO] [stdout]    |                   ^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | mod test;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/test.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout]  3 |     use std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | mod test;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::tempdir`
[INFO] [stdout]   --> src/test.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout]  4 |     use tempfile::tempdir;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | mod test;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRACK_FILE` is never used
[INFO] [stdout]  --> src/main_.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const TRACK_FILE: &str = "file_tracker.json";
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/main_.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn main() -> Result<()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.41s
[INFO] running `Command { std: "docker" "inspect" "4bd22ed5c1b703078ff796e93b48fb81c47a775c614f4ae59b120b705756f617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd22ed5c1b703078ff796e93b48fb81c47a775c614f4ae59b120b705756f617", kill_on_drop: false }`
[INFO] [stdout] 4bd22ed5c1b703078ff796e93b48fb81c47a775c614f4ae59b120b705756f617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15f02d6314ea699e7bf91f80129b163fbe6c266a3758614370f35de0e80e6a3e
[INFO] running `Command { std: "docker" "start" "-a" "15f02d6314ea699e7bf91f80129b163fbe6c266a3758614370f35de0e80e6a3e", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `time::SystemTime`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     time::SystemTime,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/lib.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/test.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout]  1 | use super::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | mod test;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `self`
[INFO] [stdout]   --> src/test.rs:2:19
[INFO] [stdout]    |
[INFO] [stdout]  2 |     use std::fs::{self, File};
[INFO] [stdout]    |                   ^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | mod test;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling supplement_p2_10 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/test.rs:3:9
[INFO] [stdout]    |
[INFO] [stdout]  3 |     use std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | mod test;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile::tempdir`
[INFO] [stdout]   --> src/test.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout]  4 |     use tempfile::tempdir;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:91:1
[INFO] [stdout]    |
[INFO] [stdout] 91 | mod test;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRACK_FILE` is never used
[INFO] [stdout]  --> src/main_.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const TRACK_FILE: &str = "file_tracker.json";
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/main_.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn main() -> Result<()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::SystemTime`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     time::SystemTime,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/lib.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/test.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::fs::{self, File};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TRACK_FILE` is never used
[INFO] [stdout]  --> src/main_.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const TRACK_FILE: &str = "file_tracker.json";
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/main_.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn main() -> Result<()> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "15f02d6314ea699e7bf91f80129b163fbe6c266a3758614370f35de0e80e6a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f02d6314ea699e7bf91f80129b163fbe6c266a3758614370f35de0e80e6a3e", kill_on_drop: false }`
[INFO] [stdout] 15f02d6314ea699e7bf91f80129b163fbe6c266a3758614370f35de0e80e6a3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 590432799e8f3d72453833778cb778321fedd5ff007aa7763cdda947db76c92e
[INFO] running `Command { std: "docker" "start" "-a" "590432799e8f3d72453833778cb778321fedd5ff007aa7763cdda947db76c92e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `time::SystemTime`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     time::SystemTime,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Context`
[INFO] [stderr]  --> src/lib.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 | use anyhow::{Context, Result};
[INFO] [stderr]   |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/test.rs:1:5
[INFO] [stderr]    |
[INFO] [stderr]  1 | use super::*;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | mod test;
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File` and `self`
[INFO] [stderr]   --> src/test.rs:2:19
[INFO] [stderr]    |
[INFO] [stderr]  2 |     use std::fs::{self, File};
[INFO] [stderr]    |                   ^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | mod test;
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/test.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr]  3 |     use std::io::Write;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | mod test;
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tempfile::tempdir`
[INFO] [stderr]   --> src/test.rs:4:9
[INFO] [stderr]    |
[INFO] [stderr]  4 |     use tempfile::tempdir;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | mod test;
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TRACK_FILE` is never used
[INFO] [stderr]  --> src/main_.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const TRACK_FILE: &str = "file_tracker.json";
[INFO] [stderr]   |       ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/main_.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn main() -> Result<()> {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/test.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 |     use std::fs::{self, File};
[INFO] [stderr]   |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `supplement_p2_10` (lib) generated 8 warnings (run `cargo fix --lib -p supplement_p2_10` to apply 6 suggestions)
[INFO] [stderr] warning: `supplement_p2_10` (lib test) generated 5 warnings (4 duplicates) (run `cargo fix --lib -p supplement_p2_10 --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/supplement_p2_10-f469477327da3f9c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_new_tracker_is_empty ... ok
[INFO] [stdout] test test::test_scan_dir_finds_files ... ok
[INFO] [stdout] test test::test_save_tracker ... ok
[INFO] [stdout] test test::test_load_tracker ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test::test_load_tracker stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test::test_load_tracker' (25) panicked at src/test.rs:51:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 1
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x57a607942ac2 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x57a607942ac2 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x57a607942ac2 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x57a607942ac2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x57a60795340a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x57a60795340a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x57a60790f126 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x57a60790f126 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x57a607921229 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x57a607921229 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x57a6079210c1 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x57a60789ef1e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x57a60789ef1e - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x57a6079214a2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x57a6079214a2 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x57a6079212e8 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x57a60791bca9 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x57a607902aed - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x57a60795a8ec - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x57a60795a7a3 - core::panicking::assert_failed_inner::h3c3301979dc81b81
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x57a60795a633 - core::panicking::assert_failed::h59d9a1fd9655a77e
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x57a60784c299 - supplement_p2_10::test::test_load_tracker::hc4f3e7b346636e02
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:51:9
[INFO] [stdout]   22:     0x57a60784c557 - supplement_p2_10::test::test_load_tracker::{{closure}}::hd416fff1865b89f5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/test.rs:40:31
[INFO] [stdout]   23:     0x57a6078531e6 - core::ops::function::FnOnce::call_once::h078558662e823c8c
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x57a60789ecdb - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x57a60789ecdb - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x57a6078b26ea - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x57a6078b26ea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x57a6078b26ea - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x57a6078b26ea - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x57a6078b26ea - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x57a6078b26ea - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x57a6078b26ea - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x57a60788cb44 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x57a60788cb44 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x57a6078904e2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x57a6078904e2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x57a6078904e2 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x57a6078904e2 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x57a6078904e2 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x57a6078904e2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x57a6078904e2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x57a607916dff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x57a607916dff - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7d66b781caa4 - <unknown>
[INFO] [stdout]   45:     0x7d66b78a9a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test::test_load_tracker
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "590432799e8f3d72453833778cb778321fedd5ff007aa7763cdda947db76c92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590432799e8f3d72453833778cb778321fedd5ff007aa7763cdda947db76c92e", kill_on_drop: false }`
[INFO] [stdout] 590432799e8f3d72453833778cb778321fedd5ff007aa7763cdda947db76c92e
