[INFO] cloning repository https://github.com/regalk13/rust-timer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/regalk13/rust-timer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fregalk13%2Frust-timer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fregalk13%2Frust-timer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67fd036c7d13f0d9462916368630b83e572725d0
[INFO] checking regalk13/rust-timer against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fregalk13%2Frust-timer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/regalk13/rust-timer on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/regalk13/rust-timer
[INFO] finished tweaking git repo https://github.com/regalk13/rust-timer
[INFO] tweaked toml for git repo https://github.com/regalk13/rust-timer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/regalk13/rust-timer 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-compare v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.83
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.86
[INFO] [stderr]   Downloaded android_system_properties v0.1.5
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded termcolor v1.1.3
[INFO] [stderr]   Downloaded scratch v1.0.3
[INFO] [stderr]   Downloaded num-integer v0.1.45
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.3
[INFO] [stderr]   Downloaded unicode-width v0.1.10
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.86
[INFO] [stderr]   Downloaded cxx-build v1.0.86
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.83
[INFO] [stderr]   Downloaded cxx v1.0.86
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded chrono v0.4.23
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded sdl2 v0.35.2
[INFO] [stderr]   Downloaded js-sys v0.3.60
[INFO] [stderr]   Downloaded bumpalo v3.11.1
[INFO] [stderr]   Downloaded syn v1.0.107
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] [stderr]   Downloaded codespan-reporting v0.11.1
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded time v0.1.45
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.83
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded link-cplusplus v1.0.8
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded quote v1.0.23
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]   Downloaded iana-time-zone v0.1.53
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.83
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded sdl2-sys v0.35.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9964b49fcad16e30ae8aea42824389f558da35b2d9f90affefee6b97015c7e97
[INFO] running `Command { std: "docker" "start" "-a" "9964b49fcad16e30ae8aea42824389f558da35b2d9f90affefee6b97015c7e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9964b49fcad16e30ae8aea42824389f558da35b2d9f90affefee6b97015c7e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9964b49fcad16e30ae8aea42824389f558da35b2d9f90affefee6b97015c7e97", kill_on_drop: false }`
[INFO] [stdout] 9964b49fcad16e30ae8aea42824389f558da35b2d9f90affefee6b97015c7e97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d69efb7b8bebddff06d4f57ae132101caa72c055441ace3ced2531577a535bf
[INFO] running `Command { std: "docker" "start" "-a" "3d69efb7b8bebddff06d4f57ae132101caa72c055441ace3ced2531577a535bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking timer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/main.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 313 |     let mut value = String::new();
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/main.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 313 |     let mut value = String::new();
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:359:5
[INFO] [stdout]     |
[INFO] [stdout] 359 |     run(path, time, countdown, exit_after_end);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 359 |     let _ = run(path, time, countdown, exit_after_end);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:359:5
[INFO] [stdout]     |
[INFO] [stdout] 359 |     run(path, time, countdown, exit_after_end);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 359 |     let _ = run(path, time, countdown, exit_after_end);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "3d69efb7b8bebddff06d4f57ae132101caa72c055441ace3ced2531577a535bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d69efb7b8bebddff06d4f57ae132101caa72c055441ace3ced2531577a535bf", kill_on_drop: false }`
[INFO] [stdout] 3d69efb7b8bebddff06d4f57ae132101caa72c055441ace3ced2531577a535bf