[INFO] fetching crate rlib 0.0.1...
[INFO] testing rlib-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rlib 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rlib 0.0.1 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 rlib 0.0.1
[INFO] finished tweaking crates.io crate rlib 0.0.1
[INFO] tweaked toml for crates.io crate rlib 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1a9a1fba169618780864397a36bdd12f46764bb29f19a6e06d9664cadd6ab8d4
[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" "1a9a1fba169618780864397a36bdd12f46764bb29f19a6e06d9664cadd6ab8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a9a1fba169618780864397a36bdd12f46764bb29f19a6e06d9664cadd6ab8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9a1fba169618780864397a36bdd12f46764bb29f19a6e06d9664cadd6ab8d4", kill_on_drop: false }`
[INFO] [stdout] 1a9a1fba169618780864397a36bdd12f46764bb29f19a6e06d9664cadd6ab8d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06046eade29f4f0455611474653b1e548549113e0d7a6d5458896f69230e5d06
[INFO] running `Command { std: "docker" "start" "-a" "06046eade29f4f0455611474653b1e548549113e0d7a6d5458896f69230e5d06", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlib v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "06046eade29f4f0455611474653b1e548549113e0d7a6d5458896f69230e5d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06046eade29f4f0455611474653b1e548549113e0d7a6d5458896f69230e5d06", kill_on_drop: false }`
[INFO] [stdout] 06046eade29f4f0455611474653b1e548549113e0d7a6d5458896f69230e5d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e271b8fca9f3c541adacd0f567f2991cb6358c6f9123a8bcb285e3d71ff1b8b2
[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" "e271b8fca9f3c541adacd0f567f2991cb6358c6f9123a8bcb285e3d71ff1b8b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlib v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "e271b8fca9f3c541adacd0f567f2991cb6358c6f9123a8bcb285e3d71ff1b8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e271b8fca9f3c541adacd0f567f2991cb6358c6f9123a8bcb285e3d71ff1b8b2", kill_on_drop: false }`
[INFO] [stdout] e271b8fca9f3c541adacd0f567f2991cb6358c6f9123a8bcb285e3d71ff1b8b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0e38bb7ad72d53619027d16fa4a0d86bd9f59209ea85545edcf5ac48e61f1ad
[INFO] running `Command { std: "docker" "start" "-a" "c0e38bb7ad72d53619027d16fa4a0d86bd9f59209ea85545edcf5ac48e61f1ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlib-774da0543a2c27b5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rlib
[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] [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" "c0e38bb7ad72d53619027d16fa4a0d86bd9f59209ea85545edcf5ac48e61f1ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e38bb7ad72d53619027d16fa4a0d86bd9f59209ea85545edcf5ac48e61f1ad", kill_on_drop: false }`
[INFO] [stdout] c0e38bb7ad72d53619027d16fa4a0d86bd9f59209ea85545edcf5ac48e61f1ad