[INFO] cloning repository https://github.com/hrishisd/fly-io-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hrishisd/fly-io-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrishisd%2Ffly-io-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrishisd%2Ffly-io-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 284e90dd4556de023b633dece72427c4f309e1d7
[INFO] testing hrishisd/fly-io-challenges against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhrishisd%2Ffly-io-challenges" "/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/hrishisd/fly-io-challenges
[INFO] finished tweaking git repo https://github.com/hrishisd/fly-io-challenges
[INFO] tweaked toml for git repo https://github.com/hrishisd/fly-io-challenges written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hrishisd/fly-io-challenges on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hrishisd/fly-io-challenges 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.28
[INFO] [stderr]   Downloaded serde v1.0.181
[INFO] [stderr]   Downloaded serde_derive v1.0.181
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cffd767cb08e02e1425a09b1242f9db617b4d7ca5d5097dca8a70172bff6fc9f
[INFO] running `Command { std: "docker" "start" "-a" "cffd767cb08e02e1425a09b1242f9db617b4d7ca5d5097dca8a70172bff6fc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cffd767cb08e02e1425a09b1242f9db617b4d7ca5d5097dca8a70172bff6fc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cffd767cb08e02e1425a09b1242f9db617b4d7ca5d5097dca8a70172bff6fc9f", kill_on_drop: false }`
[INFO] [stdout] cffd767cb08e02e1425a09b1242f9db617b4d7ca5d5097dca8a70172bff6fc9f
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0986b8cdaa9054689b86a9468ce715af3db09a8b1125a5c222341efdbe9202e
[INFO] running `Command { std: "docker" "start" "-a" "c0986b8cdaa9054689b86a9468ce715af3db09a8b1125a5c222341efdbe9202e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]    Compiling serde_derive v1.0.181
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling maelstrom-echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "c0986b8cdaa9054689b86a9468ce715af3db09a8b1125a5c222341efdbe9202e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0986b8cdaa9054689b86a9468ce715af3db09a8b1125a5c222341efdbe9202e", kill_on_drop: false }`
[INFO] [stdout] c0986b8cdaa9054689b86a9468ce715af3db09a8b1125a5c222341efdbe9202e
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8526255e0ec893350d2af8b4e7f423deefd6be0b62dec1409ec00b9ffb529c9
[INFO] running `Command { std: "docker" "start" "-a" "a8526255e0ec893350d2af8b4e7f423deefd6be0b62dec1409ec00b9ffb529c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling maelstrom-echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "a8526255e0ec893350d2af8b4e7f423deefd6be0b62dec1409ec00b9ffb529c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8526255e0ec893350d2af8b4e7f423deefd6be0b62dec1409ec00b9ffb529c9", kill_on_drop: false }`
[INFO] [stdout] a8526255e0ec893350d2af8b4e7f423deefd6be0b62dec1409ec00b9ffb529c9
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c783ea945edae5b8cf42c0c3eff4cbf16ec855868926857f57f80124bf8ec37
[INFO] running `Command { std: "docker" "start" "-a" "0c783ea945edae5b8cf42c0c3eff4cbf16ec855868926857f57f80124bf8ec37", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/maelstrom_echo-f85146e74074205b)
[INFO] [stderr]      Running unittests src/bin/broadcast.rs (/opt/rustwide/target/debug/deps/broadcast-306fce3bb1a7a04c)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_deserialize_echo ... ok
[INFO] [stdout] test test_deserialize_init ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]      Running unittests src/bin/echo.rs (/opt/rustwide/target/debug/deps/echo-0d951b1e953f0579)
[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] [stderr]      Running unittests src/bin/unique-ids.rs (/opt/rustwide/target/debug/deps/unique_ids-aadeab2e756ae10a)
[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] [stderr]    Doc-tests maelstrom_echo
[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" "0c783ea945edae5b8cf42c0c3eff4cbf16ec855868926857f57f80124bf8ec37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c783ea945edae5b8cf42c0c3eff4cbf16ec855868926857f57f80124bf8ec37", kill_on_drop: false }`
[INFO] [stdout] 0c783ea945edae5b8cf42c0c3eff4cbf16ec855868926857f57f80124bf8ec37