[INFO] fetching crate silo 0.0.1...
[INFO] testing silo-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate silo 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate silo 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silo 0.0.1
[INFO] finished tweaking crates.io crate silo 0.0.1
[INFO] tweaked toml for crates.io crate silo 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1d81e58af0e88afb981dde0f886494ca232e413f9847b9558a46294898786fe
[INFO] running `Command { std: "docker" "start" "-a" "e1d81e58af0e88afb981dde0f886494ca232e413f9847b9558a46294898786fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1d81e58af0e88afb981dde0f886494ca232e413f9847b9558a46294898786fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d81e58af0e88afb981dde0f886494ca232e413f9847b9558a46294898786fe", kill_on_drop: false }`
[INFO] [stdout] e1d81e58af0e88afb981dde0f886494ca232e413f9847b9558a46294898786fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e2bbdf80f016407d8e7913f30e1e302bdca29ceb28c2d343e2ec65a9bbd6619
[INFO] running `Command { std: "docker" "start" "-a" "0e2bbdf80f016407d8e7913f30e1e302bdca29ceb28c2d343e2ec65a9bbd6619", kill_on_drop: false }`
[INFO] [stderr]    Compiling silo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "0e2bbdf80f016407d8e7913f30e1e302bdca29ceb28c2d343e2ec65a9bbd6619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e2bbdf80f016407d8e7913f30e1e302bdca29ceb28c2d343e2ec65a9bbd6619", kill_on_drop: false }`
[INFO] [stdout] 0e2bbdf80f016407d8e7913f30e1e302bdca29ceb28c2d343e2ec65a9bbd6619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1c2bcbd7ac71e50e2a54cc8ddace227a38e2baa99af6396217ac76633c45f9b
[INFO] running `Command { std: "docker" "start" "-a" "c1c2bcbd7ac71e50e2a54cc8ddace227a38e2baa99af6396217ac76633c45f9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling silo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "c1c2bcbd7ac71e50e2a54cc8ddace227a38e2baa99af6396217ac76633c45f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c2bcbd7ac71e50e2a54cc8ddace227a38e2baa99af6396217ac76633c45f9b", kill_on_drop: false }`
[INFO] [stdout] c1c2bcbd7ac71e50e2a54cc8ddace227a38e2baa99af6396217ac76633c45f9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b08cd2771e7aee7963c501581df68bbdb0b0c2084a3dc3afa1016b04e248aa74
[INFO] running `Command { std: "docker" "start" "-a" "b08cd2771e7aee7963c501581df68bbdb0b0c2084a3dc3afa1016b04e248aa74", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/silo-48cc2b316a01bd53)
[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" "b08cd2771e7aee7963c501581df68bbdb0b0c2084a3dc3afa1016b04e248aa74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08cd2771e7aee7963c501581df68bbdb0b0c2084a3dc3afa1016b04e248aa74", kill_on_drop: false }`
[INFO] [stdout] b08cd2771e7aee7963c501581df68bbdb0b0c2084a3dc3afa1016b04e248aa74