[INFO] fetching crate rectangle-device-blocks 0.1.0...
[INFO] testing rectangle-device-blocks-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rectangle-device-blocks 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rectangle-device-blocks 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rectangle-device-blocks 0.1.0
[INFO] finished tweaking crates.io crate rectangle-device-blocks 0.1.0
[INFO] tweaked toml for crates.io crate rectangle-device-blocks 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f758cd0b95a219eb31af1cab57648851585843fa852d7ccae0eec79380f58896
[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" "f758cd0b95a219eb31af1cab57648851585843fa852d7ccae0eec79380f58896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f758cd0b95a219eb31af1cab57648851585843fa852d7ccae0eec79380f58896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f758cd0b95a219eb31af1cab57648851585843fa852d7ccae0eec79380f58896", kill_on_drop: false }`
[INFO] [stdout] f758cd0b95a219eb31af1cab57648851585843fa852d7ccae0eec79380f58896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37300497d724055744b1195b6c6046b237afb3b2764f5b130e0ef40995318657
[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" "37300497d724055744b1195b6c6046b237afb3b2764f5b130e0ef40995318657", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling keccak v0.1.0
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling base-x v0.2.8
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cached v0.18.0
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling sha-1 v0.9.2
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling strobe-rs v0.5.4
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling async-process v1.0.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling libipld-cbor-derive v0.4.0
[INFO] [stderr]    Compiling data-encoding-macro v0.1.10
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling multibase v0.8.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling libipld-pb v0.4.0
[INFO] [stderr]    Compiling rectangle-device-blocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling tiny-multihash-derive v0.4.2
[INFO] [stderr]    Compiling tiny-multihash v0.4.7
[INFO] [stderr]    Compiling tiny-cid v0.2.8
[INFO] [stderr]    Compiling libipld-core v0.4.0
[INFO] [stderr]    Compiling libipld-cbor v0.4.0
[INFO] [stderr]    Compiling libipld-macro v0.4.0
[INFO] [stderr]    Compiling libipld-json v0.4.0
[INFO] [stderr]    Compiling libipld v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "37300497d724055744b1195b6c6046b237afb3b2764f5b130e0ef40995318657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37300497d724055744b1195b6c6046b237afb3b2764f5b130e0ef40995318657", kill_on_drop: false }`
[INFO] [stdout] 37300497d724055744b1195b6c6046b237afb3b2764f5b130e0ef40995318657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb0b6b23d2869d9a9737bf31ecfbae2d988f9151ba80e8224be1d8a6bc1d5018
[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" "fb0b6b23d2869d9a9737bf31ecfbae2d988f9151ba80e8224be1d8a6bc1d5018", kill_on_drop: false }`
[INFO] [stderr]    Compiling rectangle-device-blocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "fb0b6b23d2869d9a9737bf31ecfbae2d988f9151ba80e8224be1d8a6bc1d5018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb0b6b23d2869d9a9737bf31ecfbae2d988f9151ba80e8224be1d8a6bc1d5018", kill_on_drop: false }`
[INFO] [stdout] fb0b6b23d2869d9a9737bf31ecfbae2d988f9151ba80e8224be1d8a6bc1d5018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e572655f41e3ef129c2c9234a63d10f3eaa42f3c668111ad05443cb1f6de9dc5
[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" "e572655f41e3ef129c2c9234a63d10f3eaa42f3c668111ad05443cb1f6de9dc5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rectangle_device_blocks-6008c71d0316096b
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rectangle-device-blocks
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e572655f41e3ef129c2c9234a63d10f3eaa42f3c668111ad05443cb1f6de9dc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e572655f41e3ef129c2c9234a63d10f3eaa42f3c668111ad05443cb1f6de9dc5", kill_on_drop: false }`
[INFO] [stdout] e572655f41e3ef129c2c9234a63d10f3eaa42f3c668111ad05443cb1f6de9dc5