[INFO] fetching crate twist-lz4 0.3.1...
[INFO] testing twist-lz4-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate twist-lz4 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate twist-lz4 0.3.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twist-lz4 0.3.1
[INFO] finished tweaking crates.io crate twist-lz4 0.3.1
[INFO] tweaked toml for crates.io crate twist-lz4 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bfc1dd27efd8d1e70b1cb565410a0e4b98932a25793f714e3eb68af40860868
[INFO] running `Command { std: "docker" "start" "-a" "3bfc1dd27efd8d1e70b1cb565410a0e4b98932a25793f714e3eb68af40860868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bfc1dd27efd8d1e70b1cb565410a0e4b98932a25793f714e3eb68af40860868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bfc1dd27efd8d1e70b1cb565410a0e4b98932a25793f714e3eb68af40860868", kill_on_drop: false }`
[INFO] [stdout] 3bfc1dd27efd8d1e70b1cb565410a0e4b98932a25793f714e3eb68af40860868
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4c35abf1ef024635502dca741ae55545da6d051fe160b87a4d277fe317072f2
[INFO] running `Command { std: "docker" "start" "-a" "e4c35abf1ef024635502dca741ae55545da6d051fe160b87a4d277fe317072f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling lz4-compress v0.1.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling vatfluid v0.3.0
[INFO] [stderr]    Compiling slog-atomic v0.4.3
[INFO] [stderr]    Compiling slog-stream v1.2.1
[INFO] [stderr]    Compiling slog-term v1.5.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling twist v0.7.1
[INFO] [stderr]    Compiling twist-lz4 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.46s
[INFO] running `Command { std: "docker" "inspect" "e4c35abf1ef024635502dca741ae55545da6d051fe160b87a4d277fe317072f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c35abf1ef024635502dca741ae55545da6d051fe160b87a4d277fe317072f2", kill_on_drop: false }`
[INFO] [stdout] e4c35abf1ef024635502dca741ae55545da6d051fe160b87a4d277fe317072f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a596020a05ccf64193793648d4689e64b5b509aa9b5c8172d8cf90d351e1263
[INFO] running `Command { std: "docker" "start" "-a" "3a596020a05ccf64193793648d4689e64b5b509aa9b5c8172d8cf90d351e1263", kill_on_drop: false }`
[INFO] [stderr]    Compiling twist-lz4 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "3a596020a05ccf64193793648d4689e64b5b509aa9b5c8172d8cf90d351e1263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a596020a05ccf64193793648d4689e64b5b509aa9b5c8172d8cf90d351e1263", kill_on_drop: false }`
[INFO] [stdout] 3a596020a05ccf64193793648d4689e64b5b509aa9b5c8172d8cf90d351e1263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a6b6b164b6b428e66cacfab3e83e28c11241744cfb1687b60f1483cf7fbddd4
[INFO] running `Command { std: "docker" "start" "-a" "4a6b6b164b6b428e66cacfab3e83e28c11241744cfb1687b60f1483cf7fbddd4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twist_lz4-d59a4ff5fb19caed)
[INFO] [stderr]    Doc-tests twist-lz4
[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] [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" "4a6b6b164b6b428e66cacfab3e83e28c11241744cfb1687b60f1483cf7fbddd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a6b6b164b6b428e66cacfab3e83e28c11241744cfb1687b60f1483cf7fbddd4", kill_on_drop: false }`
[INFO] [stdout] 4a6b6b164b6b428e66cacfab3e83e28c11241744cfb1687b60f1483cf7fbddd4