[INFO] fetching crate twist-lz4 0.3.1...
[INFO] testing twist-lz4-0.3.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate twist-lz4 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate twist-lz4 0.3.1 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 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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-extra v0.1.2
[INFO] [stderr]   Downloaded lz4-compress v0.1.1
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded slog v1.7.1
[INFO] [stderr]   Downloaded slog-stream v1.2.1
[INFO] [stderr]   Downloaded slog-term v1.5.0
[INFO] [stderr]   Downloaded sha1 v0.2.0
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded base64 v0.4.2
[INFO] [stderr]   Downloaded slog-atomic v0.4.3
[INFO] [stderr]   Downloaded twist v0.7.1
[INFO] [stderr]   Downloaded vatfluid v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8c3c88528ba32162f2c243ca748f396ef6888fcc18e58da1cbd9de8cf11ec9f3
[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" "8c3c88528ba32162f2c243ca748f396ef6888fcc18e58da1cbd9de8cf11ec9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c3c88528ba32162f2c243ca748f396ef6888fcc18e58da1cbd9de8cf11ec9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c3c88528ba32162f2c243ca748f396ef6888fcc18e58da1cbd9de8cf11ec9f3", kill_on_drop: false }`
[INFO] [stdout] 8c3c88528ba32162f2c243ca748f396ef6888fcc18e58da1cbd9de8cf11ec9f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 99312a7e20b346bbec721c0bbcc0c5ca62ea5c2f5e1dd2649c3be67398ca0aba
[INFO] running `Command { std: "docker" "start" "-a" "99312a7e20b346bbec721c0bbcc0c5ca62ea5c2f5e1dd2649c3be67398ca0aba", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling lz4-compress v0.1.1
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling slog-atomic v0.4.3
[INFO] [stderr]    Compiling vatfluid v0.3.0
[INFO] [stderr]    Compiling slog-stream v1.2.1
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling slog-term v1.5.0
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[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 25.71s
[INFO] running `Command { std: "docker" "inspect" "99312a7e20b346bbec721c0bbcc0c5ca62ea5c2f5e1dd2649c3be67398ca0aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99312a7e20b346bbec721c0bbcc0c5ca62ea5c2f5e1dd2649c3be67398ca0aba", kill_on_drop: false }`
[INFO] [stdout] 99312a7e20b346bbec721c0bbcc0c5ca62ea5c2f5e1dd2649c3be67398ca0aba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d05e468d427e4c4a12c417c89208862684f4c65cbbee7e2c98a9b4abcbf29898
[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" "d05e468d427e4c4a12c417c89208862684f4c65cbbee7e2c98a9b4abcbf29898", kill_on_drop: false }`
[INFO] [stderr]    Compiling twist-lz4 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "d05e468d427e4c4a12c417c89208862684f4c65cbbee7e2c98a9b4abcbf29898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d05e468d427e4c4a12c417c89208862684f4c65cbbee7e2c98a9b4abcbf29898", kill_on_drop: false }`
[INFO] [stdout] d05e468d427e4c4a12c417c89208862684f4c65cbbee7e2c98a9b4abcbf29898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 895c2279b1ac1e9005cfa05645db7792542e0eb44126044e8cb3c2751800d6b8
[INFO] running `Command { std: "docker" "start" "-a" "895c2279b1ac1e9005cfa05645db7792542e0eb44126044e8cb3c2751800d6b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twist_lz4-04101ac06228107c)
[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] [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] running `Command { std: "docker" "inspect" "895c2279b1ac1e9005cfa05645db7792542e0eb44126044e8cb3c2751800d6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "895c2279b1ac1e9005cfa05645db7792542e0eb44126044e8cb3c2751800d6b8", kill_on_drop: false }`
[INFO] [stdout] 895c2279b1ac1e9005cfa05645db7792542e0eb44126044e8cb3c2751800d6b8