[INFO] fetching crate rust-skiplist 0.0.1...
[INFO] testing rust-skiplist-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rust-skiplist 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust-skiplist 0.0.1 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 rust-skiplist 0.0.1
[INFO] finished tweaking crates.io crate rust-skiplist 0.0.1
[INFO] tweaked toml for crates.io crate rust-skiplist 0.0.1 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 81477218b6147278ec4afd8a8a668625150f463bc8b3d1e19ac6aac51356acba
[INFO] running `Command { std: "docker" "start" "-a" "81477218b6147278ec4afd8a8a668625150f463bc8b3d1e19ac6aac51356acba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81477218b6147278ec4afd8a8a668625150f463bc8b3d1e19ac6aac51356acba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81477218b6147278ec4afd8a8a668625150f463bc8b3d1e19ac6aac51356acba", kill_on_drop: false }`
[INFO] [stdout] 81477218b6147278ec4afd8a8a668625150f463bc8b3d1e19ac6aac51356acba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e3289c11a8ecda496d46202dd7d7803b4e4f95ccd3ac4891b97d45a00d06e2f0
[INFO] running `Command { std: "docker" "start" "-a" "e3289c11a8ecda496d46202dd7d7803b4e4f95ccd3ac4891b97d45a00d06e2f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-skiplist v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "e3289c11a8ecda496d46202dd7d7803b4e4f95ccd3ac4891b97d45a00d06e2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3289c11a8ecda496d46202dd7d7803b4e4f95ccd3ac4891b97d45a00d06e2f0", kill_on_drop: false }`
[INFO] [stdout] e3289c11a8ecda496d46202dd7d7803b4e4f95ccd3ac4891b97d45a00d06e2f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e0de871b970a7e3067804effbf2b34ac25b35da2619f5e1ae8a51eeb0d2658ef
[INFO] running `Command { std: "docker" "start" "-a" "e0de871b970a7e3067804effbf2b34ac25b35da2619f5e1ae8a51eeb0d2658ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-skiplist v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_skiplist-960701c4332a5642)
[INFO] running `Command { std: "docker" "inspect" "e0de871b970a7e3067804effbf2b34ac25b35da2619f5e1ae8a51eeb0d2658ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0de871b970a7e3067804effbf2b34ac25b35da2619f5e1ae8a51eeb0d2658ef", kill_on_drop: false }`
[INFO] [stdout] e0de871b970a7e3067804effbf2b34ac25b35da2619f5e1ae8a51eeb0d2658ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9b8e6cb2ff81ce0e62f8e9a0a22fb51823cbc8475195e871021fca0119017979
[INFO] running `Command { std: "docker" "start" "-a" "9b8e6cb2ff81ce0e62f8e9a0a22fb51823cbc8475195e871021fca0119017979", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_skiplist-960701c4332a5642)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests rust-skiplist
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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] running `Command { std: "docker" "inspect" "9b8e6cb2ff81ce0e62f8e9a0a22fb51823cbc8475195e871021fca0119017979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8e6cb2ff81ce0e62f8e9a0a22fb51823cbc8475195e871021fca0119017979", kill_on_drop: false }`
[INFO] [stdout] 9b8e6cb2ff81ce0e62f8e9a0a22fb51823cbc8475195e871021fca0119017979