[INFO] fetching crate ml 0.0.2...
[INFO] testing ml-0.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate ml 0.0.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ml 0.0.2 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 ml 0.0.2
[INFO] finished tweaking crates.io crate ml 0.0.2
[INFO] tweaked toml for crates.io crate ml 0.0.2 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] fd78e30cc4410bb5ee2db52d58c1181acf4339ddc804d7aa762588ea597450a5
[INFO] running `Command { std: "docker" "start" "-a" "fd78e30cc4410bb5ee2db52d58c1181acf4339ddc804d7aa762588ea597450a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd78e30cc4410bb5ee2db52d58c1181acf4339ddc804d7aa762588ea597450a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd78e30cc4410bb5ee2db52d58c1181acf4339ddc804d7aa762588ea597450a5", kill_on_drop: false }`
[INFO] [stdout] fd78e30cc4410bb5ee2db52d58c1181acf4339ddc804d7aa762588ea597450a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 37eb9ea24699d0cf8a3eaa02cc6f0cc7737d2e1de049a432d29f0b6f20e97f30
[INFO] running `Command { std: "docker" "start" "-a" "37eb9ea24699d0cf8a3eaa02cc6f0cc7737d2e1de049a432d29f0b6f20e97f30", kill_on_drop: false }`
[INFO] [stderr]    Compiling ml v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "37eb9ea24699d0cf8a3eaa02cc6f0cc7737d2e1de049a432d29f0b6f20e97f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37eb9ea24699d0cf8a3eaa02cc6f0cc7737d2e1de049a432d29f0b6f20e97f30", kill_on_drop: false }`
[INFO] [stdout] 37eb9ea24699d0cf8a3eaa02cc6f0cc7737d2e1de049a432d29f0b6f20e97f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 545e86d87a8915d1e66fd870ee6a92267437596413b4c16d57404c51b5a1498c
[INFO] running `Command { std: "docker" "start" "-a" "545e86d87a8915d1e66fd870ee6a92267437596413b4c16d57404c51b5a1498c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ml v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ml-947f8e22b47bf57b)
[INFO] running `Command { std: "docker" "inspect" "545e86d87a8915d1e66fd870ee6a92267437596413b4c16d57404c51b5a1498c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545e86d87a8915d1e66fd870ee6a92267437596413b4c16d57404c51b5a1498c", kill_on_drop: false }`
[INFO] [stdout] 545e86d87a8915d1e66fd870ee6a92267437596413b4c16d57404c51b5a1498c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 05765235d531696a3ef27636afbb2f1d6a296a0d88258c96ff368d49d9746eff
[INFO] running `Command { std: "docker" "start" "-a" "05765235d531696a3ef27636afbb2f1d6a296a0d88258c96ff368d49d9746eff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ml-947f8e22b47bf57b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ml
[INFO] [stdout] test result: ok. 0 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" "05765235d531696a3ef27636afbb2f1d6a296a0d88258c96ff368d49d9746eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05765235d531696a3ef27636afbb2f1d6a296a0d88258c96ff368d49d9746eff", kill_on_drop: false }`
[INFO] [stdout] 05765235d531696a3ef27636afbb2f1d6a296a0d88258c96ff368d49d9746eff