[INFO] crate root-io 0.2.1 is already in cache
[INFO] testing root-io-0.2.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate root-io 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate root-io 0.2.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate root-io 0.2.1
[INFO] finished tweaking crates.io crate root-io 0.2.1
[INFO] tweaked toml for crates.io crate root-io 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e94f73e036534122f46885478a8e505f30c1a2974ac35aded29343ffd94c5c0a
[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" "e94f73e036534122f46885478a8e505f30c1a2974ac35aded29343ffd94c5c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e94f73e036534122f46885478a8e505f30c1a2974ac35aded29343ffd94c5c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94f73e036534122f46885478a8e505f30c1a2974ac35aded29343ffd94c5c0a", kill_on_drop: false }`
[INFO] [stdout] e94f73e036534122f46885478a8e505f30c1a2974ac35aded29343ffd94c5c0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] 589f085c570bc9c9bcb9596f1fe3c7e66e080501fc44fa51e594a493c8770bbd
[INFO] running `Command { std: "docker" "start" "-a" "589f085c570bc9c9bcb9596f1fe3c7e66e080501fc44fa51e594a493c8770bbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tracing v0.1.18
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling lzma-rs v0.1.3
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.7
[INFO] [stderr]    Compiling alice-open-data v0.3.0
[INFO] [stderr]    Compiling root-io v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/core/tkey.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |                       (decompress(obj).unwrap().1)
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tree_reader/container.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |                       (decompress(buf).unwrap().1)
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "589f085c570bc9c9bcb9596f1fe3c7e66e080501fc44fa51e594a493c8770bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "589f085c570bc9c9bcb9596f1fe3c7e66e080501fc44fa51e594a493c8770bbd", kill_on_drop: false }`
[INFO] [stdout] 589f085c570bc9c9bcb9596f1fe3c7e66e080501fc44fa51e594a493c8770bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--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] fde70b638547751a842b41e744659140d54dd0bc32ad8f252836e04ea58f17be
[INFO] running `Command { std: "docker" "start" "-a" "fde70b638547751a842b41e744659140d54dd0bc32ad8f252836e04ea58f17be", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/core/tkey.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |                       (decompress(obj).unwrap().1)
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tree_reader/container.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |                       (decompress(buf).unwrap().1)
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling root-io v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/core/tkey.rs:78:23
[INFO] [stdout]    |
[INFO] [stdout] 78 |                       (decompress(obj).unwrap().1)
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tree_reader/container.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |                       (decompress(buf).unwrap().1)
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `root-io`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name root_io --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --test -C metadata=3194802d8c2c9d14 -C extra-filename=-3194802d8c2c9d14 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern alice_open_data=/opt/rustwide/target/debug/deps/libalice_open_data-e61a4782dd657023.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-02fffe573fe5be1a.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-669d17ce862e875c.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-61692011d5da34c3.rlib --extern flate2=/opt/rustwide/target/debug/deps/libflate2-2aa8195d4a70bff9.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-f8d703d738f3faec.rlib --extern lzma_rs=/opt/rustwide/target/debug/deps/liblzma_rs-4be0c0c4af2b0d3d.rlib --extern nom=/opt/rustwide/target/debug/deps/libnom-f5c86c20fbe048e2.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-fd26555ebd0b244d.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-0b35e8bb4555f552.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-28bfd321816a15e9.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fde70b638547751a842b41e744659140d54dd0bc32ad8f252836e04ea58f17be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde70b638547751a842b41e744659140d54dd0bc32ad8f252836e04ea58f17be", kill_on_drop: false }`
[INFO] [stdout] fde70b638547751a842b41e744659140d54dd0bc32ad8f252836e04ea58f17be