[INFO] cloning repository https://github.com/ilyail3/DVR-simulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilyail3/DVR-simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filyail3%2FDVR-simulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filyail3%2FDVR-simulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa692746ee5205ddcdb90ff7b42c899cd70b5d34
[INFO] testing ilyail3/DVR-simulation against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filyail3%2FDVR-simulation" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ilyail3/DVR-simulation on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ilyail3/DVR-simulation
[INFO] finished tweaking git repo https://github.com/ilyail3/DVR-simulation
[INFO] tweaked toml for git repo https://github.com/ilyail3/DVR-simulation written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ilyail3/DVR-simulation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8ae1000325114ab4d1bc3ed03bee60f05dc67139f6daff44fdde84d0cfd6ceb
[INFO] running `Command { std: "docker" "start" "-a" "d8ae1000325114ab4d1bc3ed03bee60f05dc67139f6daff44fdde84d0cfd6ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8ae1000325114ab4d1bc3ed03bee60f05dc67139f6daff44fdde84d0cfd6ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8ae1000325114ab4d1bc3ed03bee60f05dc67139f6daff44fdde84d0cfd6ceb", kill_on_drop: false }`
[INFO] [stdout] d8ae1000325114ab4d1bc3ed03bee60f05dc67139f6daff44fdde84d0cfd6ceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a80d8831900c1bbe5f27b2103720f5cd6becb09c5dda72c6ee8d9df3dbc71df
[INFO] running `Command { std: "docker" "start" "-a" "6a80d8831900c1bbe5f27b2103720f5cd6becb09c5dda72c6ee8d9df3dbc71df", kill_on_drop: false }`
[INFO] [stderr]    Compiling dvr_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `exc2`
[INFO] [stdout]    --> src/main.rs:437:4
[INFO] [stdout]     |
[INFO] [stdout] 437 | fn exc2(p:&Path) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exc3`
[INFO] [stdout]    --> src/main.rs:468:4
[INFO] [stdout]     |
[INFO] [stdout] 468 | fn exc3(p:&Path) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tir1`
[INFO] [stdout]    --> src/main.rs:493:4
[INFO] [stdout]     |
[INFO] [stdout] 493 | fn tir1(p:&Path) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:547:5
[INFO] [stdout]     |
[INFO] [stdout] 547 |     tir2(output_path);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "6a80d8831900c1bbe5f27b2103720f5cd6becb09c5dda72c6ee8d9df3dbc71df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a80d8831900c1bbe5f27b2103720f5cd6becb09c5dda72c6ee8d9df3dbc71df", kill_on_drop: false }`
[INFO] [stdout] 6a80d8831900c1bbe5f27b2103720f5cd6becb09c5dda72c6ee8d9df3dbc71df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8275cd5098cba271842d828fb96b168e28acd638ddccdc92551b127a2f5de5e4
[INFO] running `Command { std: "docker" "start" "-a" "8275cd5098cba271842d828fb96b168e28acd638ddccdc92551b127a2f5de5e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling dvr_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `exc2`
[INFO] [stdout]    --> src/main.rs:437:4
[INFO] [stdout]     |
[INFO] [stdout] 437 | fn exc2(p:&Path) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exc3`
[INFO] [stdout]    --> src/main.rs:468:4
[INFO] [stdout]     |
[INFO] [stdout] 468 | fn exc3(p:&Path) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tir1`
[INFO] [stdout]    --> src/main.rs:493:4
[INFO] [stdout]     |
[INFO] [stdout] 493 | fn tir1(p:&Path) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:547:5
[INFO] [stdout]     |
[INFO] [stdout] 547 |     tir2(output_path);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8275cd5098cba271842d828fb96b168e28acd638ddccdc92551b127a2f5de5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8275cd5098cba271842d828fb96b168e28acd638ddccdc92551b127a2f5de5e4", kill_on_drop: false }`
[INFO] [stdout] 8275cd5098cba271842d828fb96b168e28acd638ddccdc92551b127a2f5de5e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5cbbfa25f457e0dbfa8d74172b9c63d12a8f53f749278b9e38662b5f9af3d1a9
[INFO] running `Command { std: "docker" "start" "-a" "5cbbfa25f457e0dbfa8d74172b9c63d12a8f53f749278b9e38662b5f9af3d1a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `exc2`
[INFO] [stderr]    --> src/main.rs:437:4
[INFO] [stderr]     |
[INFO] [stderr] 437 | fn exc2(p:&Path) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `exc3`
[INFO] [stderr]    --> src/main.rs:468:4
[INFO] [stderr]     |
[INFO] [stderr] 468 | fn exc3(p:&Path) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tir1`
[INFO] [stderr]    --> src/main.rs:493:4
[INFO] [stderr]     |
[INFO] [stderr] 493 | fn tir1(p:&Path) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:547:5
[INFO] [stderr]     |
[INFO] [stderr] 547 |     tir2(output_path);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `dvr_sim` (bin "dvr_sim" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dvr_sim-b57b2b31272882e9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5cbbfa25f457e0dbfa8d74172b9c63d12a8f53f749278b9e38662b5f9af3d1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cbbfa25f457e0dbfa8d74172b9c63d12a8f53f749278b9e38662b5f9af3d1a9", kill_on_drop: false }`
[INFO] [stdout] 5cbbfa25f457e0dbfa8d74172b9c63d12a8f53f749278b9e38662b5f9af3d1a9