[INFO] fetching crate riff-io 0.1.2...
[INFO] testing riff-io-0.1.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate riff-io 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate riff-io 0.1.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate riff-io 0.1.2
[INFO] finished tweaking crates.io crate riff-io 0.1.2
[INFO] tweaked toml for crates.io crate riff-io 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate riff-io 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8545d0bc75c92f267a3717b2e27b56c6dbad1c166a7604b936f1b6fc03b6a25f
[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" "8545d0bc75c92f267a3717b2e27b56c6dbad1c166a7604b936f1b6fc03b6a25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8545d0bc75c92f267a3717b2e27b56c6dbad1c166a7604b936f1b6fc03b6a25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8545d0bc75c92f267a3717b2e27b56c6dbad1c166a7604b936f1b6fc03b6a25f", kill_on_drop: false }`
[INFO] [stdout] 8545d0bc75c92f267a3717b2e27b56c6dbad1c166a7604b936f1b6fc03b6a25f
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 99d4cd1b4f6e8819e584b48455e677d218a332a005746e201f10b4d7407bcc2f
[INFO] running `Command { std: "docker" "start" "-a" "99d4cd1b4f6e8819e584b48455e677d218a332a005746e201f10b4d7407bcc2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling riff-io v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `Command { std: "docker" "inspect" "99d4cd1b4f6e8819e584b48455e677d218a332a005746e201f10b4d7407bcc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d4cd1b4f6e8819e584b48455e677d218a332a005746e201f10b4d7407bcc2f", kill_on_drop: false }`
[INFO] [stdout] 99d4cd1b4f6e8819e584b48455e677d218a332a005746e201f10b4d7407bcc2f
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38d61e25b549d617c770749174f1cac85da81ce23b9def40bb909eaf8c6bdded
[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" "38d61e25b549d617c770749174f1cac85da81ce23b9def40bb909eaf8c6bdded", kill_on_drop: false }`
[INFO] [stderr]    Compiling riff-io v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "38d61e25b549d617c770749174f1cac85da81ce23b9def40bb909eaf8c6bdded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d61e25b549d617c770749174f1cac85da81ce23b9def40bb909eaf8c6bdded", kill_on_drop: false }`
[INFO] [stdout] 38d61e25b549d617c770749174f1cac85da81ce23b9def40bb909eaf8c6bdded
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 60e331480535c3d7b47e27ed4fb6293dc5f3442bfc8ccf8f2cbf2a0c5b823a67
[INFO] running `Command { std: "docker" "start" "-a" "60e331480535c3d7b47e27ed4fb6293dc5f3442bfc8ccf8f2cbf2a0c5b823a67", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/riff_io-34884c73fcfe21a1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests riff-io
[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" "60e331480535c3d7b47e27ed4fb6293dc5f3442bfc8ccf8f2cbf2a0c5b823a67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e331480535c3d7b47e27ed4fb6293dc5f3442bfc8ccf8f2cbf2a0c5b823a67", kill_on_drop: false }`
[INFO] [stdout] 60e331480535c3d7b47e27ed4fb6293dc5f3442bfc8ccf8f2cbf2a0c5b823a67