[INFO] fetching crate solvent 0.8.3...
[INFO] testing solvent-0.8.3 against beta-2022-04-10 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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 404b101a3b1ff5a4e8e02c8b8f62f8a9afbf60cd2ac17d8df9161a22f4285023
[INFO] running `Command { std: "docker" "start" "-a" "404b101a3b1ff5a4e8e02c8b8f62f8a9afbf60cd2ac17d8df9161a22f4285023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "404b101a3b1ff5a4e8e02c8b8f62f8a9afbf60cd2ac17d8df9161a22f4285023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404b101a3b1ff5a4e8e02c8b8f62f8a9afbf60cd2ac17d8df9161a22f4285023", kill_on_drop: false }`
[INFO] [stdout] 404b101a3b1ff5a4e8e02c8b8f62f8a9afbf60cd2ac17d8df9161a22f4285023
[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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f85c327991d47d3bcb4e657c04741083ded0e3310ae6042391b63bfe74d6e697
[INFO] running `Command { std: "docker" "start" "-a" "f85c327991d47d3bcb4e657c04741083ded0e3310ae6042391b63bfe74d6e697", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling solvent v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "f85c327991d47d3bcb4e657c04741083ded0e3310ae6042391b63bfe74d6e697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85c327991d47d3bcb4e657c04741083ded0e3310ae6042391b63bfe74d6e697", kill_on_drop: false }`
[INFO] [stdout] f85c327991d47d3bcb4e657c04741083ded0e3310ae6042391b63bfe74d6e697
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4712e8df99b3b9753e92e6b18f0293eeb3abd337f7344f6fc60b478de08d4cd1
[INFO] running `Command { std: "docker" "start" "-a" "4712e8df99b3b9753e92e6b18f0293eeb3abd337f7344f6fc60b478de08d4cd1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling solvent v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.19s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/solvent-0677bc7465c4b711)
[INFO] running `Command { std: "docker" "inspect" "4712e8df99b3b9753e92e6b18f0293eeb3abd337f7344f6fc60b478de08d4cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4712e8df99b3b9753e92e6b18f0293eeb3abd337f7344f6fc60b478de08d4cd1", kill_on_drop: false }`
[INFO] [stdout] 4712e8df99b3b9753e92e6b18f0293eeb3abd337f7344f6fc60b478de08d4cd1
[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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c836af47ce3bc7160549147057752aa4b57b2a000e9611d816268474e2eebc5
[INFO] running `Command { std: "docker" "start" "-a" "2c836af47ce3bc7160549147057752aa4b57b2a000e9611d816268474e2eebc5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/solvent-0677bc7465c4b711)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests solvent
[INFO] [stdout] test test::solvent_test_circular ... ok
[INFO] [stdout] test test::solvent_test_branching ... ok
[INFO] [stdout] test test::solvent_test_satisfied_stoppage ... ok
[INFO] [stdout] test test::solvent_test_updating_dependencies ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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 0.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c836af47ce3bc7160549147057752aa4b57b2a000e9611d816268474e2eebc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c836af47ce3bc7160549147057752aa4b57b2a000e9611d816268474e2eebc5", kill_on_drop: false }`
[INFO] [stdout] 2c836af47ce3bc7160549147057752aa4b57b2a000e9611d816268474e2eebc5