[INFO] cloning repository https://github.com/JKomieter/Filer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JKomieter/Filer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJKomieter%2FFiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJKomieter%2FFiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e09ece3deb4faf54fb0d49d4ce7c47cff1e2b96c
[INFO] testing JKomieter/Filer against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJKomieter%2FFiler" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JKomieter/Filer on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JKomieter/Filer
[INFO] finished tweaking git repo https://github.com/JKomieter/Filer
[INFO] tweaked toml for git repo https://github.com/JKomieter/Filer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JKomieter/Filer 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02041f8a2456828cc826c56ca6c34137978e336aaaf45aa72dd89b4f4b6cb850
[INFO] running `Command { std: "docker" "start" "-a" "02041f8a2456828cc826c56ca6c34137978e336aaaf45aa72dd89b4f4b6cb850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02041f8a2456828cc826c56ca6c34137978e336aaaf45aa72dd89b4f4b6cb850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02041f8a2456828cc826c56ca6c34137978e336aaaf45aa72dd89b4f4b6cb850", kill_on_drop: false }`
[INFO] [stdout] 02041f8a2456828cc826c56ca6c34137978e336aaaf45aa72dd89b4f4b6cb850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8127b1f71305b54a6486dd3bdb02269a81f35fbc1aec5d84eae558ed51be8df
[INFO] running `Command { std: "docker" "start" "-a" "a8127b1f71305b54a6486dd3bdb02269a81f35fbc1aec5d84eae558ed51be8df", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling filer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `handle_cmd` is never used
[INFO] [stdout]  --> src/file_handlers.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn handle_cmd(cmd: &str, filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_contents` is never used
[INFO] [stdout]   --> src/file_handlers.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn read_file_contents(filename: &str) -> Result<String, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file` is never used
[INFO] [stdout]   --> src/file_handlers.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn create_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file_version` is never used
[INFO] [stdout]   --> src/file_handlers.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn create_file_version(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_file` is never used
[INFO] [stdout]   --> src/file_handlers.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn delete_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_versions` is never used
[INFO] [stdout]   --> src/file_handlers.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn compare_versions(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, process};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "a8127b1f71305b54a6486dd3bdb02269a81f35fbc1aec5d84eae558ed51be8df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8127b1f71305b54a6486dd3bdb02269a81f35fbc1aec5d84eae558ed51be8df", kill_on_drop: false }`
[INFO] [stdout] a8127b1f71305b54a6486dd3bdb02269a81f35fbc1aec5d84eae558ed51be8df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cec25442d0603a20a4cd3180b2b5c991e7cf441cd5e8180b3add504c25a91028
[INFO] running `Command { std: "docker" "start" "-a" "cec25442d0603a20a4cd3180b2b5c991e7cf441cd5e8180b3add504c25a91028", kill_on_drop: false }`
[INFO] [stdout] warning: function `handle_cmd` is never used
[INFO] [stdout]  --> src/file_handlers.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn handle_cmd(cmd: &str, filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_contents` is never used
[INFO] [stdout]   --> src/file_handlers.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn read_file_contents(filename: &str) -> Result<String, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file` is never used
[INFO] [stdout]   --> src/file_handlers.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn create_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file_version` is never used
[INFO] [stdout]   --> src/file_handlers.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn create_file_version(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_file` is never used
[INFO] [stdout]   --> src/file_handlers.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn delete_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_versions` is never used
[INFO] [stdout]   --> src/file_handlers.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn compare_versions(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling filer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, process};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_cmd` is never used
[INFO] [stdout]  --> src/file_handlers.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn handle_cmd(cmd: &str, filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "cec25442d0603a20a4cd3180b2b5c991e7cf441cd5e8180b3add504c25a91028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec25442d0603a20a4cd3180b2b5c991e7cf441cd5e8180b3add504c25a91028", kill_on_drop: false }`
[INFO] [stdout] cec25442d0603a20a4cd3180b2b5c991e7cf441cd5e8180b3add504c25a91028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 488cae834d9159a78ecfb1e012ac7d7e035d0fcece730bed509a606c0c98dc6d
[INFO] running `Command { std: "docker" "start" "-a" "488cae834d9159a78ecfb1e012ac7d7e035d0fcece730bed509a606c0c98dc6d", kill_on_drop: false }`
[INFO] [stderr] warning: function `handle_cmd` is never used
[INFO] [stderr]  --> src/file_handlers.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn handle_cmd(cmd: &str, filename: &str) -> Result<(), &'static str> {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_file_contents` is never used
[INFO] [stderr]   --> src/file_handlers.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn read_file_contents(filename: &str) -> Result<String, &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_file` is never used
[INFO] [stderr]   --> src/file_handlers.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn create_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_file_version` is never used
[INFO] [stderr]   --> src/file_handlers.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub fn create_file_version(filename: &str) -> Result<(), &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `delete_file` is never used
[INFO] [stderr]   --> src/file_handlers.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn delete_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `compare_versions` is never used
[INFO] [stderr]   --> src/file_handlers.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 | pub fn compare_versions(filename: &str) -> Result<(), &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `filer` (lib) generated 6 warnings
[INFO] [stderr] warning: unused import: `env`
[INFO] [stderr]  --> src/main.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{env, process};
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `filer` (bin "filer" test) generated 1 warning (run `cargo fix --bin "filer" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `filer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filer-18cac69f1b787a39)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/filer-18cac69f1b787a39` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "488cae834d9159a78ecfb1e012ac7d7e035d0fcece730bed509a606c0c98dc6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488cae834d9159a78ecfb1e012ac7d7e035d0fcece730bed509a606c0c98dc6d", kill_on_drop: false }`
[INFO] [stdout] 488cae834d9159a78ecfb1e012ac7d7e035d0fcece730bed509a606c0c98dc6d
[INFO] testing JKomieter/Filer against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJKomieter%2FFiler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JKomieter/Filer on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JKomieter/Filer
[INFO] finished tweaking git repo https://github.com/JKomieter/Filer
[INFO] tweaked toml for git repo https://github.com/JKomieter/Filer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JKomieter/Filer 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7432b9c7bc9f9e7ff399fca84349b9e1b7464a79a74c39052d37bc774aa9491c
[INFO] running `Command { std: "docker" "start" "-a" "7432b9c7bc9f9e7ff399fca84349b9e1b7464a79a74c39052d37bc774aa9491c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7432b9c7bc9f9e7ff399fca84349b9e1b7464a79a74c39052d37bc774aa9491c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7432b9c7bc9f9e7ff399fca84349b9e1b7464a79a74c39052d37bc774aa9491c", kill_on_drop: false }`
[INFO] [stdout] 7432b9c7bc9f9e7ff399fca84349b9e1b7464a79a74c39052d37bc774aa9491c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c16a426e8dfe16fbdf7419e8805dadec45eb504c0d77978fb7e54930e2b1f058
[INFO] running `Command { std: "docker" "start" "-a" "c16a426e8dfe16fbdf7419e8805dadec45eb504c0d77978fb7e54930e2b1f058", kill_on_drop: false }`
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling filer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `handle_cmd` is never used
[INFO] [stdout]  --> src/file_handlers.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn handle_cmd(cmd: &str, filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_contents` is never used
[INFO] [stdout]   --> src/file_handlers.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn read_file_contents(filename: &str) -> Result<String, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file` is never used
[INFO] [stdout]   --> src/file_handlers.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn create_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file_version` is never used
[INFO] [stdout]   --> src/file_handlers.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn create_file_version(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_file` is never used
[INFO] [stdout]   --> src/file_handlers.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn delete_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_versions` is never used
[INFO] [stdout]   --> src/file_handlers.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn compare_versions(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, process};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "c16a426e8dfe16fbdf7419e8805dadec45eb504c0d77978fb7e54930e2b1f058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16a426e8dfe16fbdf7419e8805dadec45eb504c0d77978fb7e54930e2b1f058", kill_on_drop: false }`
[INFO] [stdout] c16a426e8dfe16fbdf7419e8805dadec45eb504c0d77978fb7e54930e2b1f058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a17e115b28c27c1e643fd4f9a62000541b8ab5c26c9f5f038baf41a93091249
[INFO] running `Command { std: "docker" "start" "-a" "0a17e115b28c27c1e643fd4f9a62000541b8ab5c26c9f5f038baf41a93091249", kill_on_drop: false }`
[INFO] [stdout] warning: function `handle_cmd` is never used
[INFO] [stdout]  --> src/file_handlers.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn handle_cmd(cmd: &str, filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_contents` is never used
[INFO] [stdout]   --> src/file_handlers.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn read_file_contents(filename: &str) -> Result<String, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file` is never used
[INFO] [stdout]   --> src/file_handlers.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn create_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file_version` is never used
[INFO] [stdout]   --> src/file_handlers.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn create_file_version(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_file` is never used
[INFO] [stdout]   --> src/file_handlers.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub fn delete_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_versions` is never used
[INFO] [stdout]   --> src/file_handlers.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn compare_versions(filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling filer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, process};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_cmd` is never used
[INFO] [stdout]  --> src/file_handlers.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn handle_cmd(cmd: &str, filename: &str) -> Result<(), &'static str> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "0a17e115b28c27c1e643fd4f9a62000541b8ab5c26c9f5f038baf41a93091249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a17e115b28c27c1e643fd4f9a62000541b8ab5c26c9f5f038baf41a93091249", kill_on_drop: false }`
[INFO] [stdout] 0a17e115b28c27c1e643fd4f9a62000541b8ab5c26c9f5f038baf41a93091249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c39ff3ceacd10b22029c7c773ad1db4781df5d8c3d4590112fd786c46e3277b1
[INFO] running `Command { std: "docker" "start" "-a" "c39ff3ceacd10b22029c7c773ad1db4781df5d8c3d4590112fd786c46e3277b1", kill_on_drop: false }`
[INFO] [stderr] warning: function `handle_cmd` is never used
[INFO] [stderr]  --> src/file_handlers.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn handle_cmd(cmd: &str, filename: &str) -> Result<(), &'static str> {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_file_contents` is never used
[INFO] [stderr]   --> src/file_handlers.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn read_file_contents(filename: &str) -> Result<String, &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_file` is never used
[INFO] [stderr]   --> src/file_handlers.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn create_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_file_version` is never used
[INFO] [stderr]   --> src/file_handlers.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | pub fn create_file_version(filename: &str) -> Result<(), &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `delete_file` is never used
[INFO] [stderr]   --> src/file_handlers.rs:80:8
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn delete_file(filename: &str) -> Result<(), &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `compare_versions` is never used
[INFO] [stderr]   --> src/file_handlers.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 | pub fn compare_versions(filename: &str) -> Result<(), &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `filer` (lib) generated 6 warnings
[INFO] [stderr] warning: unused import: `env`
[INFO] [stderr]  --> src/main.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{env, process};
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `filer` (bin "filer" test) generated 1 warning (run `cargo fix --bin "filer" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `filer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filer-94d9aba4b648eb60)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/filer-94d9aba4b648eb60` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "c39ff3ceacd10b22029c7c773ad1db4781df5d8c3d4590112fd786c46e3277b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39ff3ceacd10b22029c7c773ad1db4781df5d8c3d4590112fd786c46e3277b1", kill_on_drop: false }`
[INFO] [stdout] c39ff3ceacd10b22029c7c773ad1db4781df5d8c3d4590112fd786c46e3277b1
