[INFO] fetching crate anewer 0.1.5...
[INFO] testing anewer-0.1.5 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate anewer 0.1.5 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate anewer 0.1.5 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate anewer 0.1.5
[INFO] finished tweaking crates.io crate anewer 0.1.5
[INFO] tweaked toml for crates.io crate anewer 0.1.5 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate anewer 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ahash v0.5.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e62bb465ab7dd22152787fb3fa0f5bbae8ff0c5035fe27776f9633a428b3829a
[INFO] running `Command { std: "docker" "start" "-a" "e62bb465ab7dd22152787fb3fa0f5bbae8ff0c5035fe27776f9633a428b3829a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e62bb465ab7dd22152787fb3fa0f5bbae8ff0c5035fe27776f9633a428b3829a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62bb465ab7dd22152787fb3fa0f5bbae8ff0c5035fe27776f9633a428b3829a", kill_on_drop: false }`
[INFO] [stdout] e62bb465ab7dd22152787fb3fa0f5bbae8ff0c5035fe27776f9633a428b3829a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ade7a657f1818789f68fea9265b7c654af104091c24dff47d611238e40991525
[INFO] running `Command { std: "docker" "start" "-a" "ade7a657f1818789f68fea9265b7c654af104091c24dff47d611238e40991525", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling ahash v0.5.10
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling anewer v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.50s
[INFO] running `Command { std: "docker" "inspect" "ade7a657f1818789f68fea9265b7c654af104091c24dff47d611238e40991525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade7a657f1818789f68fea9265b7c654af104091c24dff47d611238e40991525", kill_on_drop: false }`
[INFO] [stdout] ade7a657f1818789f68fea9265b7c654af104091c24dff47d611238e40991525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae84cc0902e8ee2ddb3d76940a96cbfff75cf6a4fbf3b92e119bce0f24477bae
[INFO] running `Command { std: "docker" "start" "-a" "ae84cc0902e8ee2ddb3d76940a96cbfff75cf6a4fbf3b92e119bce0f24477bae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "ae84cc0902e8ee2ddb3d76940a96cbfff75cf6a4fbf3b92e119bce0f24477bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae84cc0902e8ee2ddb3d76940a96cbfff75cf6a4fbf3b92e119bce0f24477bae", kill_on_drop: false }`
[INFO] [stdout] ae84cc0902e8ee2ddb3d76940a96cbfff75cf6a4fbf3b92e119bce0f24477bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f4415fa56467ff858b2834add2e27ebdddeb22d84c511e4a9109ee2dbec6719
[INFO] running `Command { std: "docker" "start" "-a" "1f4415fa56467ff858b2834add2e27ebdddeb22d84c511e4a9109ee2dbec6719", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "1f4415fa56467ff858b2834add2e27ebdddeb22d84c511e4a9109ee2dbec6719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4415fa56467ff858b2834add2e27ebdddeb22d84c511e4a9109ee2dbec6719", kill_on_drop: false }`
[INFO] [stdout] 1f4415fa56467ff858b2834add2e27ebdddeb22d84c511e4a9109ee2dbec6719