[INFO] fetching crate plugin-test-main 0.1.1...
[INFO] testing plugin-test-main-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate plugin-test-main 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate plugin-test-main 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plugin-test-main 0.1.1
[INFO] finished tweaking crates.io crate plugin-test-main 0.1.1
[INFO] tweaked toml for crates.io crate plugin-test-main 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plugin-test-plugins v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a89979e5bb028c8b17e9c5343b910e85e3e7c44842c693f422b13ff66f9aa505
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a89979e5bb028c8b17e9c5343b910e85e3e7c44842c693f422b13ff66f9aa505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a89979e5bb028c8b17e9c5343b910e85e3e7c44842c693f422b13ff66f9aa505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89979e5bb028c8b17e9c5343b910e85e3e7c44842c693f422b13ff66f9aa505", kill_on_drop: false }`
[INFO] [stdout] a89979e5bb028c8b17e9c5343b910e85e3e7c44842c693f422b13ff66f9aa505
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edfd60e6ae078e68d9cf13ab3d7a98571baab2edbbe2c3a93e0da18059c42243
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "edfd60e6ae078e68d9cf13ab3d7a98571baab2edbbe2c3a93e0da18059c42243", kill_on_drop: false }`
[INFO] [stderr]    Compiling plugin-test-api v0.1.2
[INFO] [stderr]    Compiling plugin-test-main v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dest_path`
[INFO] [stdout]  --> build.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let dest_path = Path::new(&out_dir).join("english.rs");
[INFO] [stdout]   |       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plugin-test-plugins v0.1.2
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `plugin_api::SayHello`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use plugin_api::SayHello;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "edfd60e6ae078e68d9cf13ab3d7a98571baab2edbbe2c3a93e0da18059c42243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edfd60e6ae078e68d9cf13ab3d7a98571baab2edbbe2c3a93e0da18059c42243", kill_on_drop: false }`
[INFO] [stdout] edfd60e6ae078e68d9cf13ab3d7a98571baab2edbbe2c3a93e0da18059c42243
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 653cac389e2a5347eb039bfc3e43d62d7312daee97178fb4cee6f0e9db0638a1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "653cac389e2a5347eb039bfc3e43d62d7312daee97178fb4cee6f0e9db0638a1", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `dest_path`
[INFO] [stdout]  --> build.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let dest_path = Path::new(&out_dir).join("english.rs");
[INFO] [stdout]   |       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plugin-test-main v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `plugin_api::SayHello`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use plugin_api::SayHello;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "653cac389e2a5347eb039bfc3e43d62d7312daee97178fb4cee6f0e9db0638a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653cac389e2a5347eb039bfc3e43d62d7312daee97178fb4cee6f0e9db0638a1", kill_on_drop: false }`
[INFO] [stdout] 653cac389e2a5347eb039bfc3e43d62d7312daee97178fb4cee6f0e9db0638a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ddc5695f7a0aadaf22e7ccc39174513f55370f75f3b4520877593fcb6a9645ff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ddc5695f7a0aadaf22e7ccc39174513f55370f75f3b4520877593fcb6a9645ff", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `dest_path`
[INFO] [stderr]  --> build.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 |   let dest_path = Path::new(&out_dir).join("english.rs");
[INFO] [stderr]   |       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dest_path`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `plugin-test-main` (build script) generated 1 warning
[INFO] [stderr] warning: unused import: `plugin_api::SayHello`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use plugin_api::SayHello;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `plugin-test-main` (bin "plugin-test-main" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/plugin_test_main-cd820af048be9e8c)
[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" "ddc5695f7a0aadaf22e7ccc39174513f55370f75f3b4520877593fcb6a9645ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc5695f7a0aadaf22e7ccc39174513f55370f75f3b4520877593fcb6a9645ff", kill_on_drop: false }`
[INFO] [stdout] ddc5695f7a0aadaf22e7ccc39174513f55370f75f3b4520877593fcb6a9645ff
