[INFO] fetching crate solvent 0.8.3...
[INFO] testing solvent-0.8.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate solvent 0.8.3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate solvent 0.8.3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solvent 0.8.3
[INFO] finished tweaking crates.io crate solvent 0.8.3
[INFO] tweaked toml for crates.io crate solvent 0.8.3 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b28f9fd27c05d9da64960fad5880160518c1d51d9c23b6b12ebda5eae7700d9
[INFO] running `Command { std: "docker" "start" "-a" "0b28f9fd27c05d9da64960fad5880160518c1d51d9c23b6b12ebda5eae7700d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b28f9fd27c05d9da64960fad5880160518c1d51d9c23b6b12ebda5eae7700d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b28f9fd27c05d9da64960fad5880160518c1d51d9c23b6b12ebda5eae7700d9", kill_on_drop: false }`
[INFO] [stdout] 0b28f9fd27c05d9da64960fad5880160518c1d51d9c23b6b12ebda5eae7700d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c07c1756196c7fbb35a50aebdb9eb95c276afccdd3376420e6c4e12e3d90832a
[INFO] running `Command { std: "docker" "start" "-a" "c07c1756196c7fbb35a50aebdb9eb95c276afccdd3376420e6c4e12e3d90832a", kill_on_drop: false }`
[INFO] [stderr]    Compiling solvent v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "c07c1756196c7fbb35a50aebdb9eb95c276afccdd3376420e6c4e12e3d90832a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c07c1756196c7fbb35a50aebdb9eb95c276afccdd3376420e6c4e12e3d90832a", kill_on_drop: false }`
[INFO] [stdout] c07c1756196c7fbb35a50aebdb9eb95c276afccdd3376420e6c4e12e3d90832a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac3a6562b0d506a2f994f6b002771f02c1c915c8f4c16f8741c1b8c1bb835a3b
[INFO] running `Command { std: "docker" "start" "-a" "ac3a6562b0d506a2f994f6b002771f02c1c915c8f4c16f8741c1b8c1bb835a3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling solvent v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "ac3a6562b0d506a2f994f6b002771f02c1c915c8f4c16f8741c1b8c1bb835a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3a6562b0d506a2f994f6b002771f02c1c915c8f4c16f8741c1b8c1bb835a3b", kill_on_drop: false }`
[INFO] [stdout] ac3a6562b0d506a2f994f6b002771f02c1c915c8f4c16f8741c1b8c1bb835a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0841474d8179f19a8cf393df14ab47307a5689bc312fba489831fda7d164cfa7
[INFO] running `Command { std: "docker" "start" "-a" "0841474d8179f19a8cf393df14ab47307a5689bc312fba489831fda7d164cfa7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/solvent-56714634020c6af0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::solvent_test_circular ... ok
[INFO] [stdout] test test::solvent_test_branching ... ok
[INFO] [stdout] test test::solvent_test_updating_dependencies ... ok
[INFO] [stdout] test test::solvent_test_satisfied_stoppage ... ok
[INFO] [stderr]    Doc-tests solvent
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 51) ... ignored
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0841474d8179f19a8cf393df14ab47307a5689bc312fba489831fda7d164cfa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0841474d8179f19a8cf393df14ab47307a5689bc312fba489831fda7d164cfa7", kill_on_drop: false }`
[INFO] [stdout] 0841474d8179f19a8cf393df14ab47307a5689bc312fba489831fda7d164cfa7