[INFO] fetching crate interfacer 0.0.2...
[INFO] testing interfacer-0.0.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate interfacer 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate interfacer 0.0.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate interfacer 0.0.2
[INFO] finished tweaking crates.io crate interfacer 0.0.2
[INFO] tweaked toml for crates.io crate interfacer 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40bdc60c31e869ca70afc804eef28c458cf31b3add4193be687e916a6f6412aa
[INFO] running `Command { std: "docker" "start" "-a" "40bdc60c31e869ca70afc804eef28c458cf31b3add4193be687e916a6f6412aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40bdc60c31e869ca70afc804eef28c458cf31b3add4193be687e916a6f6412aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bdc60c31e869ca70afc804eef28c458cf31b3add4193be687e916a6f6412aa", kill_on_drop: false }`
[INFO] [stdout] 40bdc60c31e869ca70afc804eef28c458cf31b3add4193be687e916a6f6412aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c326ee0614654bca29e68b9e2d89e65a8d8e8215e825af84f48168ce0e57d5e1
[INFO] running `Command { std: "docker" "start" "-a" "c326ee0614654bca29e68b9e2d89e65a8d8e8215e825af84f48168ce0e57d5e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling interfacer v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "c326ee0614654bca29e68b9e2d89e65a8d8e8215e825af84f48168ce0e57d5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c326ee0614654bca29e68b9e2d89e65a8d8e8215e825af84f48168ce0e57d5e1", kill_on_drop: false }`
[INFO] [stdout] c326ee0614654bca29e68b9e2d89e65a8d8e8215e825af84f48168ce0e57d5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1b4e04820f44d3de8acf2ed223c848c177afc68e83b430f455027b59f93b88f
[INFO] running `Command { std: "docker" "start" "-a" "c1b4e04820f44d3de8acf2ed223c848c177afc68e83b430f455027b59f93b88f", kill_on_drop: false }`
[INFO] [stderr]    Compiling interfacer v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c1b4e04820f44d3de8acf2ed223c848c177afc68e83b430f455027b59f93b88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b4e04820f44d3de8acf2ed223c848c177afc68e83b430f455027b59f93b88f", kill_on_drop: false }`
[INFO] [stdout] c1b4e04820f44d3de8acf2ed223c848c177afc68e83b430f455027b59f93b88f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] daab767a367533a25efe525deff960e09cdb53c6b843fe14cb49482e5fc60a8f
[INFO] running `Command { std: "docker" "start" "-a" "daab767a367533a25efe525deff960e09cdb53c6b843fe14cb49482e5fc60a8f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/interfacer-e1b0fdbcdc696c52)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests interfacer
[INFO] [stdout] test tests::it_works ... ok
[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" "daab767a367533a25efe525deff960e09cdb53c6b843fe14cb49482e5fc60a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daab767a367533a25efe525deff960e09cdb53c6b843fe14cb49482e5fc60a8f", kill_on_drop: false }`
[INFO] [stdout] daab767a367533a25efe525deff960e09cdb53c6b843fe14cb49482e5fc60a8f