[INFO] cloning repository https://github.com/kliu128/cs103
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kliu128/cs103" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkliu128%2Fcs103", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkliu128%2Fcs103'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42b0251f76ca4d105502c81d87feb241687bef7f
[INFO] building kliu128/cs103 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkliu128%2Fcs103" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kliu128/cs103 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kliu128/cs103
[INFO] finished tweaking git repo https://github.com/kliu128/cs103
[INFO] tweaked toml for git repo https://github.com/kliu128/cs103 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/kliu128/cs103 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 771e6f142ae08318001e2827c5404e6ffc6dcaabc725e6feda2937d87dbf517f
[INFO] running `Command { std: "docker" "start" "-a" "771e6f142ae08318001e2827c5404e6ffc6dcaabc725e6feda2937d87dbf517f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "771e6f142ae08318001e2827c5404e6ffc6dcaabc725e6feda2937d87dbf517f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771e6f142ae08318001e2827c5404e6ffc6dcaabc725e6feda2937d87dbf517f", kill_on_drop: false }`
[INFO] [stdout] 771e6f142ae08318001e2827c5404e6ffc6dcaabc725e6feda2937d87dbf517f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0932e6d758a97fce72bb7cb2baccdf96c7df56641b651d3eadb87e9d6dfb25ec
[INFO] running `Command { std: "docker" "start" "-a" "0932e6d758a97fce72bb7cb2baccdf96c7df56641b651d3eadb87e9d6dfb25ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling cs103 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` 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 0.40s
[INFO] running `Command { std: "docker" "inspect" "0932e6d758a97fce72bb7cb2baccdf96c7df56641b651d3eadb87e9d6dfb25ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0932e6d758a97fce72bb7cb2baccdf96c7df56641b651d3eadb87e9d6dfb25ec", kill_on_drop: false }`
[INFO] [stdout] 0932e6d758a97fce72bb7cb2baccdf96c7df56641b651d3eadb87e9d6dfb25ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 497a74b585f10fd93fd77c6dd419db9feddd49828f624209acdce4e72932994c
[INFO] running `Command { std: "docker" "start" "-a" "497a74b585f10fd93fd77c6dd419db9feddd49828f624209acdce4e72932994c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cs103 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cs103-f8415683f2bcee0e)
[INFO] running `Command { std: "docker" "inspect" "497a74b585f10fd93fd77c6dd419db9feddd49828f624209acdce4e72932994c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497a74b585f10fd93fd77c6dd419db9feddd49828f624209acdce4e72932994c", kill_on_drop: false }`
[INFO] [stdout] 497a74b585f10fd93fd77c6dd419db9feddd49828f624209acdce4e72932994c