[INFO] fetching crate rust-constraint 0.1.0-alpha.1...
[INFO] testing rust-constraint-0.1.0-alpha.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rust-constraint 0.1.0-alpha.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rust-constraint 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate rust-constraint 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate rust-constraint 0.1.0-alpha.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-constraint 0.1.0-alpha.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d6ebb28bbcae79ea4aa9f72ae09361628b487610ecef4c419d7aaacbfbc7943
[INFO] running `Command { std: "docker" "start" "-a" "8d6ebb28bbcae79ea4aa9f72ae09361628b487610ecef4c419d7aaacbfbc7943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d6ebb28bbcae79ea4aa9f72ae09361628b487610ecef4c419d7aaacbfbc7943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6ebb28bbcae79ea4aa9f72ae09361628b487610ecef4c419d7aaacbfbc7943", kill_on_drop: false }`
[INFO] [stdout] 8d6ebb28bbcae79ea4aa9f72ae09361628b487610ecef4c419d7aaacbfbc7943
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25f0e6c29f029911b137f43978f24093ba600f00bd4e7fe71add135847a5b2b3
[INFO] running `Command { std: "docker" "start" "-a" "25f0e6c29f029911b137f43978f24093ba600f00bd4e7fe71add135847a5b2b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-constraint v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "25f0e6c29f029911b137f43978f24093ba600f00bd4e7fe71add135847a5b2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f0e6c29f029911b137f43978f24093ba600f00bd4e7fe71add135847a5b2b3", kill_on_drop: false }`
[INFO] [stdout] 25f0e6c29f029911b137f43978f24093ba600f00bd4e7fe71add135847a5b2b3
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cbe82f78ed13b02e9de951ff4464bece197e0f06dbcc61254ed4cffb0bbf7c3
[INFO] running `Command { std: "docker" "start" "-a" "8cbe82f78ed13b02e9de951ff4464bece197e0f06dbcc61254ed4cffb0bbf7c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-constraint v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "8cbe82f78ed13b02e9de951ff4464bece197e0f06dbcc61254ed4cffb0bbf7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbe82f78ed13b02e9de951ff4464bece197e0f06dbcc61254ed4cffb0bbf7c3", kill_on_drop: false }`
[INFO] [stdout] 8cbe82f78ed13b02e9de951ff4464bece197e0f06dbcc61254ed4cffb0bbf7c3
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d72b58f96a310352f835554a06bf13f7d24daa492c708c1042adea651f816a90
[INFO] running `Command { std: "docker" "start" "-a" "d72b58f96a310352f835554a06bf13f7d24daa492c708c1042adea651f816a90", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_constraint-199dd9723660c84b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test examples::cs50_example ... ok
[INFO] [stdout] test examples::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_constraint
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d72b58f96a310352f835554a06bf13f7d24daa492c708c1042adea651f816a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72b58f96a310352f835554a06bf13f7d24daa492c708c1042adea651f816a90", kill_on_drop: false }`
[INFO] [stdout] d72b58f96a310352f835554a06bf13f7d24daa492c708c1042adea651f816a90