[INFO] cloning repository Mahtiah/npi_calculatrice [INFO] running `"git" "clone" "--bare" "git://github.com/Mahtiah/npi_calculatrice.git" "work/cache/sources/gh/Mahtiah/npi_calculatrice"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Mahtiah/npi_calculatrice'... [INFO] running `"git" "clone" "work/cache/sources/gh/Mahtiah/npi_calculatrice" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Mahtiah/npi_calculatrice"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Mahtiah/npi_calculatrice'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Mahtiah/npi_calculatrice" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Mahtiah/npi_calculatrice"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Mahtiah/npi_calculatrice'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 274077b8e98f306a06e5d3203ebf30b3836be228 [INFO] sha for GitHub repo Mahtiah/npi_calculatrice: 274077b8e98f306a06e5d3203ebf30b3836be228 [INFO] validating manifest of Mahtiah/npi_calculatrice on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Mahtiah/npi_calculatrice on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Mahtiah/npi_calculatrice [INFO] finished frobbing Mahtiah/npi_calculatrice [INFO] frobbed toml for Mahtiah/npi_calculatrice written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Mahtiah/npi_calculatrice/Cargo.toml [INFO] started frobbing Mahtiah/npi_calculatrice [INFO] finished frobbing Mahtiah/npi_calculatrice [INFO] frobbed toml for Mahtiah/npi_calculatrice written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Mahtiah/npi_calculatrice/Cargo.toml [INFO] crate Mahtiah/npi_calculatrice already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Mahtiah/npi_calculatrice against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Mahtiah/npi_calculatrice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 8f0a137ccf199fec1e79b8aaec305d7e11960d9dcf6b6094686214df4fa9c1f3 [INFO] running `"docker" "start" "-a" "8f0a137ccf199fec1e79b8aaec305d7e11960d9dcf6b6094686214df4fa9c1f3"` [INFO] [stderr] Compiling npi_calculatrice v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | std::io::stdout().flush(); [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] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `"docker" "inspect" "8f0a137ccf199fec1e79b8aaec305d7e11960d9dcf6b6094686214df4fa9c1f3"` [INFO] running `"docker" "rm" "-f" "8f0a137ccf199fec1e79b8aaec305d7e11960d9dcf6b6094686214df4fa9c1f3"` [INFO] [stdout] 8f0a137ccf199fec1e79b8aaec305d7e11960d9dcf6b6094686214df4fa9c1f3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Mahtiah/npi_calculatrice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 49084c733b08712a12962587ca044e06124243f96b218404fdb10759e55d045f [INFO] running `"docker" "start" "-a" "49084c733b08712a12962587ca044e06124243f96b218404fdb10759e55d045f"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling npi_calculatrice v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | std::io::stdout().flush(); [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] Finished dev [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `"docker" "inspect" "49084c733b08712a12962587ca044e06124243f96b218404fdb10759e55d045f"` [INFO] running `"docker" "rm" "-f" "49084c733b08712a12962587ca044e06124243f96b218404fdb10759e55d045f"` [INFO] [stdout] 49084c733b08712a12962587ca044e06124243f96b218404fdb10759e55d045f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Mahtiah/npi_calculatrice:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] 908e741d5a2b53c08c25cebcf8a8e20f8e6467947cf8c436fac3722a2737920e [INFO] running `"docker" "start" "-a" "908e741d5a2b53c08c25cebcf8a8e20f8e6467947cf8c436fac3722a2737920e"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/crater/target/debug/deps/npi_calculatrice-deb67d3afa4539b6 [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "908e741d5a2b53c08c25cebcf8a8e20f8e6467947cf8c436fac3722a2737920e"` [INFO] running `"docker" "rm" "-f" "908e741d5a2b53c08c25cebcf8a8e20f8e6467947cf8c436fac3722a2737920e"` [INFO] [stdout] 908e741d5a2b53c08c25cebcf8a8e20f8e6467947cf8c436fac3722a2737920e