[INFO] fetching crate redro 999999999.999999999.999999999...
[INFO] testing redro-999999999.999999999.999999999 against 1.55.0 for beta-1.56-1
[INFO] extracting crate redro 999999999.999999999.999999999 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate redro 999999999.999999999.999999999 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 redro 999999999.999999999.999999999
[INFO] finished tweaking crates.io crate redro 999999999.999999999.999999999
[INFO] tweaked toml for crates.io crate redro 999999999.999999999.999999999 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate redro 999999999.999999999.999999999 already has a lockfile, it will not be regenerated
[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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] da2b6269ed4c31a7af1839a31c924dda167b67b632cd7bf039bdab239a079acf
[INFO] running `Command { std: "docker" "start" "-a" "da2b6269ed4c31a7af1839a31c924dda167b67b632cd7bf039bdab239a079acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da2b6269ed4c31a7af1839a31c924dda167b67b632cd7bf039bdab239a079acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2b6269ed4c31a7af1839a31c924dda167b67b632cd7bf039bdab239a079acf", kill_on_drop: false }`
[INFO] [stdout] da2b6269ed4c31a7af1839a31c924dda167b67b632cd7bf039bdab239a079acf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] b943776373c5db6bbd4c537c8730488fc7de979a96ba3a9c9d3eaa9ecfed955c
[INFO] running `Command { std: "docker" "start" "-a" "b943776373c5db6bbd4c537c8730488fc7de979a96ba3a9c9d3eaa9ecfed955c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling redro v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "b943776373c5db6bbd4c537c8730488fc7de979a96ba3a9c9d3eaa9ecfed955c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b943776373c5db6bbd4c537c8730488fc7de979a96ba3a9c9d3eaa9ecfed955c", kill_on_drop: false }`
[INFO] [stdout] b943776373c5db6bbd4c537c8730488fc7de979a96ba3a9c9d3eaa9ecfed955c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 0ef01bef2101ef15fa6a10e106c4b829f7536a235e9355b9ec71a6d5c87032c0
[INFO] running `Command { std: "docker" "start" "-a" "0ef01bef2101ef15fa6a10e106c4b829f7536a235e9355b9ec71a6d5c87032c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling redro v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "0ef01bef2101ef15fa6a10e106c4b829f7536a235e9355b9ec71a6d5c87032c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ef01bef2101ef15fa6a10e106c4b829f7536a235e9355b9ec71a6d5c87032c0", kill_on_drop: false }`
[INFO] [stdout] 0ef01bef2101ef15fa6a10e106c4b829f7536a235e9355b9ec71a6d5c87032c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 22b7e1de8b2b9557b677e698c7cb8c7ed585d634700de66bd888b0becb7e6da7
[INFO] running `Command { std: "docker" "start" "-a" "22b7e1de8b2b9557b677e698c7cb8c7ed585d634700de66bd888b0becb7e6da7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/redro-3c120e400cdf6c1a)
[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" "22b7e1de8b2b9557b677e698c7cb8c7ed585d634700de66bd888b0becb7e6da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b7e1de8b2b9557b677e698c7cb8c7ed585d634700de66bd888b0becb7e6da7", kill_on_drop: false }`
[INFO] [stdout] 22b7e1de8b2b9557b677e698c7cb8c7ed585d634700de66bd888b0becb7e6da7