[INFO] fetching crate root-io 0.2.1...
[INFO] testing root-io-0.2.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate root-io 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate root-io 0.2.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 392b3eb0a7339ec0ff47c7d295a162cf7dbeb554cced5a84a18a9d73b99df634
[INFO] running `Command { std: "docker" "start" "-a" "392b3eb0a7339ec0ff47c7d295a162cf7dbeb554cced5a84a18a9d73b99df634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "392b3eb0a7339ec0ff47c7d295a162cf7dbeb554cced5a84a18a9d73b99df634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392b3eb0a7339ec0ff47c7d295a162cf7dbeb554cced5a84a18a9d73b99df634", kill_on_drop: false }`
[INFO] [stdout] 392b3eb0a7339ec0ff47c7d295a162cf7dbeb554cced5a84a18a9d73b99df634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 610df085b0faa2c0b1d359284760a9e9ead63759ec8d91ae30f8b7a37d49beca
[INFO] running `Command { std: "docker" "start" "-a" "610df085b0faa2c0b1d359284760a9e9ead63759ec8d91ae30f8b7a37d49beca", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.6
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling lzma-rs v0.1.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[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 v0.4.27
[INFO] [stderr]    Compiling futures-util v0.3.6
[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 v0.3.6
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr]    Compiling hyper v0.13.8
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.8
[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" "610df085b0faa2c0b1d359284760a9e9ead63759ec8d91ae30f8b7a37d49beca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "610df085b0faa2c0b1d359284760a9e9ead63759ec8d91ae30f8b7a37d49beca", kill_on_drop: false }`
[INFO] [stdout] 610df085b0faa2c0b1d359284760a9e9ead63759ec8d91ae30f8b7a37d49beca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d56c0447be7369753bedca942b286bd417825621853b7cd170d375aab0febff8
[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" "d56c0447be7369753bedca942b286bd417825621853b7cd170d375aab0febff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling plotters v0.2.15
[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 csv v1.1.3
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[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 -C embed-bitcode=no -C debuginfo=2 --test -C metadata=cb5ad1dafb1c72de -C extra-filename=-cb5ad1dafb1c72de --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-7bdf7789ea4614ce.rlib --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e8b42ad6d332332e.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-086c1ae7a188daaf.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-bb9d7045bfb83f86.rlib --extern flate2=/opt/rustwide/target/debug/deps/libflate2-677d7d6978a8702b.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-8906dfddcdd5e772.rlib --extern lzma_rs=/opt/rustwide/target/debug/deps/liblzma_rs-0f3876a5ff790bdc.rlib --extern nom=/opt/rustwide/target/debug/deps/libnom-4a6e24a0bb01ccfe.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e4a487d9eeb017d6.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-dfb609efa0862ac3.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-6a3b9bc08a7a2584.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" "d56c0447be7369753bedca942b286bd417825621853b7cd170d375aab0febff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d56c0447be7369753bedca942b286bd417825621853b7cd170d375aab0febff8", kill_on_drop: false }`
[INFO] [stdout] d56c0447be7369753bedca942b286bd417825621853b7cd170d375aab0febff8
