[INFO] fetching crate racker-plugin 0.1.0...
[INFO] testing racker-plugin-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate racker-plugin 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate racker-plugin 0.1.0
[INFO] finished tweaking crates.io crate racker-plugin 0.1.0
[INFO] tweaked toml for crates.io crate racker-plugin 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate racker-plugin 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding libloading v0.7.4 (available: v0.8.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 837ef731a477af622f0a9aadebebd2ae9950974df2208294a880111e6babe17f
[INFO] running `Command { std: "docker" "start" "-a" "837ef731a477af622f0a9aadebebd2ae9950974df2208294a880111e6babe17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "837ef731a477af622f0a9aadebebd2ae9950974df2208294a880111e6babe17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837ef731a477af622f0a9aadebebd2ae9950974df2208294a880111e6babe17f", kill_on_drop: false }`
[INFO] [stdout] 837ef731a477af622f0a9aadebebd2ae9950974df2208294a880111e6babe17f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 461bde3ad83b42b498e9ea92215d04b3d7b6642a3d85956fb59b3fb52d1451e3
[INFO] running `Command { std: "docker" "start" "-a" "461bde3ad83b42b498e9ea92215d04b3d7b6642a3d85956fb59b3fb52d1451e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling racker-plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "461bde3ad83b42b498e9ea92215d04b3d7b6642a3d85956fb59b3fb52d1451e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461bde3ad83b42b498e9ea92215d04b3d7b6642a3d85956fb59b3fb52d1451e3", kill_on_drop: false }`
[INFO] [stdout] 461bde3ad83b42b498e9ea92215d04b3d7b6642a3d85956fb59b3fb52d1451e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f80c3ea4ae08c1d110a394b6ed8717af6ba171d204dfc776d43e8af5c09a72c3
[INFO] running `Command { std: "docker" "start" "-a" "f80c3ea4ae08c1d110a394b6ed8717af6ba171d204dfc776d43e8af5c09a72c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling racker-plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "f80c3ea4ae08c1d110a394b6ed8717af6ba171d204dfc776d43e8af5c09a72c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80c3ea4ae08c1d110a394b6ed8717af6ba171d204dfc776d43e8af5c09a72c3", kill_on_drop: false }`
[INFO] [stdout] f80c3ea4ae08c1d110a394b6ed8717af6ba171d204dfc776d43e8af5c09a72c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98eb87ec0d562dbc668d432f909621121382acdb46f32d81c7433c5baf796a7e
[INFO] running `Command { std: "docker" "start" "-a" "98eb87ec0d562dbc668d432f909621121382acdb46f32d81c7433c5baf796a7e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/racker_plugin-75242b9c90157938)
[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] [stderr]    Doc-tests racker_plugin
[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" "98eb87ec0d562dbc668d432f909621121382acdb46f32d81c7433c5baf796a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98eb87ec0d562dbc668d432f909621121382acdb46f32d81c7433c5baf796a7e", kill_on_drop: false }`
[INFO] [stdout] 98eb87ec0d562dbc668d432f909621121382acdb46f32d81c7433c5baf796a7e