[INFO] fetching crate mlflow 0.1.0...
[INFO] testing mlflow-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate mlflow 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mlflow 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mlflow 0.1.0
[INFO] finished tweaking crates.io crate mlflow 0.1.0
[INFO] tweaked toml for crates.io crate mlflow 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate mlflow 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59ed6311fe0cf3ab77c5b18ce813173f35c48688e34cb4f5460eb85a7c314561
[INFO] running `Command { std: "docker" "start" "-a" "59ed6311fe0cf3ab77c5b18ce813173f35c48688e34cb4f5460eb85a7c314561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59ed6311fe0cf3ab77c5b18ce813173f35c48688e34cb4f5460eb85a7c314561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ed6311fe0cf3ab77c5b18ce813173f35c48688e34cb4f5460eb85a7c314561", kill_on_drop: false }`
[INFO] [stdout] 59ed6311fe0cf3ab77c5b18ce813173f35c48688e34cb4f5460eb85a7c314561
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce0a3a641bc4bb5dc777b47d442f53c4cbecc4cdcf36ac63ebe4b6df21f2fdf8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ce0a3a641bc4bb5dc777b47d442f53c4cbecc4cdcf36ac63ebe4b6df21f2fdf8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling nanoserde-derive v0.1.12
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]    Compiling tinyvec v1.0.1
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling nanoserde v0.1.20
[INFO] [stderr]    Compiling ring v0.16.16
[INFO] [stderr]    Compiling unicode-normalization v0.1.15
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling ureq v1.5.2
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling mlflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.34s
[INFO] running `Command { std: "docker" "inspect" "ce0a3a641bc4bb5dc777b47d442f53c4cbecc4cdcf36ac63ebe4b6df21f2fdf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0a3a641bc4bb5dc777b47d442f53c4cbecc4cdcf36ac63ebe4b6df21f2fdf8", kill_on_drop: false }`
[INFO] [stdout] ce0a3a641bc4bb5dc777b47d442f53c4cbecc4cdcf36ac63ebe4b6df21f2fdf8
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aedcb057447486459e5bc545ef8b1a457a7047c49d0b4e808d773e5772ebc505
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aedcb057447486459e5bc545ef8b1a457a7047c49d0b4e808d773e5772ebc505", kill_on_drop: false }`
[INFO] [stderr]    Compiling nanorand v0.4.4
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]    Compiling mlflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "aedcb057447486459e5bc545ef8b1a457a7047c49d0b4e808d773e5772ebc505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aedcb057447486459e5bc545ef8b1a457a7047c49d0b4e808d773e5772ebc505", kill_on_drop: false }`
[INFO] [stdout] aedcb057447486459e5bc545ef8b1a457a7047c49d0b4e808d773e5772ebc505
[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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b68fc321c62a046eaee8e4cfda418a82b4386ecb6984378db4b2a086a780e01f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b68fc321c62a046eaee8e4cfda418a82b4386ecb6984378db4b2a086a780e01f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mlflow-7d505fd3112cb8b5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mlflow
[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] [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" "b68fc321c62a046eaee8e4cfda418a82b4386ecb6984378db4b2a086a780e01f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68fc321c62a046eaee8e4cfda418a82b4386ecb6984378db4b2a086a780e01f", kill_on_drop: false }`
[INFO] [stdout] b68fc321c62a046eaee8e4cfda418a82b4386ecb6984378db4b2a086a780e01f