[INFO] fetching crate wheelbuf 0.2.0...
[INFO] testing wheelbuf-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate wheelbuf 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate wheelbuf 0.2.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wheelbuf 0.2.0
[INFO] finished tweaking crates.io crate wheelbuf 0.2.0
[INFO] tweaked toml for crates.io crate wheelbuf 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", 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] 9b21cee8a6d5c78503b0295468b748245899ddeab19bfb7bbd4bb8d721568586
[INFO] running `Command { std: "docker" "start" "-a" "9b21cee8a6d5c78503b0295468b748245899ddeab19bfb7bbd4bb8d721568586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b21cee8a6d5c78503b0295468b748245899ddeab19bfb7bbd4bb8d721568586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b21cee8a6d5c78503b0295468b748245899ddeab19bfb7bbd4bb8d721568586", kill_on_drop: false }`
[INFO] [stdout] 9b21cee8a6d5c78503b0295468b748245899ddeab19bfb7bbd4bb8d721568586
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 9b682f9f3bdb2925b0f79f3033202ace21da05c553f858bca5f190c7dfc87caa
[INFO] running `Command { std: "docker" "start" "-a" "9b682f9f3bdb2925b0f79f3033202ace21da05c553f858bca5f190c7dfc87caa", kill_on_drop: false }`
[INFO] [stderr]    Compiling wheelbuf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "9b682f9f3bdb2925b0f79f3033202ace21da05c553f858bca5f190c7dfc87caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b682f9f3bdb2925b0f79f3033202ace21da05c553f858bca5f190c7dfc87caa", kill_on_drop: false }`
[INFO] [stdout] 9b682f9f3bdb2925b0f79f3033202ace21da05c553f858bca5f190c7dfc87caa
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9655d7e87ab56e40bf3d50abc41c03040cb69df20a7f7f8b99d3537328076f93
[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" "9655d7e87ab56e40bf3d50abc41c03040cb69df20a7f7f8b99d3537328076f93", kill_on_drop: false }`
[INFO] [stderr]    Compiling wheelbuf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "9655d7e87ab56e40bf3d50abc41c03040cb69df20a7f7f8b99d3537328076f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9655d7e87ab56e40bf3d50abc41c03040cb69df20a7f7f8b99d3537328076f93", kill_on_drop: false }`
[INFO] [stdout] 9655d7e87ab56e40bf3d50abc41c03040cb69df20a7f7f8b99d3537328076f93
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c24d76833eaf135038cd791497d3e1100b480750a650dba1f20b9d023400541
[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" "8c24d76833eaf135038cd791497d3e1100b480750a650dba1f20b9d023400541", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wheelbuf-309204b19483de2e)
[INFO] [stdout] test tests::write ... ok
[INFO] [stdout] test tests::nth ... ok
[INFO] [stderr]    Doc-tests wheelbuf
[INFO] [stdout] test tests::using_vec ... ok
[INFO] [stdout] test tests::basics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "8c24d76833eaf135038cd791497d3e1100b480750a650dba1f20b9d023400541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c24d76833eaf135038cd791497d3e1100b480750a650dba1f20b9d023400541", kill_on_drop: false }`
[INFO] [stdout] 8c24d76833eaf135038cd791497d3e1100b480750a650dba1f20b9d023400541