[INFO] fetching crate flex 0.0.0...
[INFO] testing flex-0.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate flex 0.0.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate flex 0.0.0 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 flex 0.0.0
[INFO] finished tweaking crates.io crate flex 0.0.0
[INFO] tweaked toml for crates.io crate flex 0.0.0 written to /workspace/builds/worker-28/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] c5877cf3fd2dbdebe7ceb517583be5a282cd5af698dbc304c5f99c96fccef854
[INFO] running `Command { std: "docker" "start" "-a" "c5877cf3fd2dbdebe7ceb517583be5a282cd5af698dbc304c5f99c96fccef854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5877cf3fd2dbdebe7ceb517583be5a282cd5af698dbc304c5f99c96fccef854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5877cf3fd2dbdebe7ceb517583be5a282cd5af698dbc304c5f99c96fccef854", kill_on_drop: false }`
[INFO] [stdout] c5877cf3fd2dbdebe7ceb517583be5a282cd5af698dbc304c5f99c96fccef854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] ca748b822e0b6cc1a023ca1704a4602719006e8860acf241542283aaa03ef2eb
[INFO] running `Command { std: "docker" "start" "-a" "ca748b822e0b6cc1a023ca1704a4602719006e8860acf241542283aaa03ef2eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flex v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "ca748b822e0b6cc1a023ca1704a4602719006e8860acf241542283aaa03ef2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca748b822e0b6cc1a023ca1704a4602719006e8860acf241542283aaa03ef2eb", kill_on_drop: false }`
[INFO] [stdout] ca748b822e0b6cc1a023ca1704a4602719006e8860acf241542283aaa03ef2eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] a6d7585c854c34def6279e9dc8c060397bb516d4df368dc92b9f2280aa85240b
[INFO] running `Command { std: "docker" "start" "-a" "a6d7585c854c34def6279e9dc8c060397bb516d4df368dc92b9f2280aa85240b", kill_on_drop: false }`
[INFO] [stderr]    Compiling flex v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "a6d7585c854c34def6279e9dc8c060397bb516d4df368dc92b9f2280aa85240b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d7585c854c34def6279e9dc8c060397bb516d4df368dc92b9f2280aa85240b", kill_on_drop: false }`
[INFO] [stdout] a6d7585c854c34def6279e9dc8c060397bb516d4df368dc92b9f2280aa85240b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] eb90970b41a848bd50454abb6bebc556ea667124aba538e087ba30760a22d6b6
[INFO] running `Command { std: "docker" "start" "-a" "eb90970b41a848bd50454abb6bebc556ea667124aba538e087ba30760a22d6b6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flex-279c7ad003436b4f)
[INFO] [stderr]    Doc-tests flex
[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] [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" "eb90970b41a848bd50454abb6bebc556ea667124aba538e087ba30760a22d6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb90970b41a848bd50454abb6bebc556ea667124aba538e087ba30760a22d6b6", kill_on_drop: false }`
[INFO] [stdout] eb90970b41a848bd50454abb6bebc556ea667124aba538e087ba30760a22d6b6