[INFO] fetching crate twist-lz4 0.3.1...
[INFO] testing twist-lz4-0.3.1 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate twist-lz4 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate twist-lz4 0.3.1 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded vatfluid v0.3.0
[INFO] [stderr]   Downloaded slog-term v1.5.0
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded slog-extra v0.1.2
[INFO] [stderr]   Downloaded slog v1.7.1
[INFO] [stderr]   Downloaded slog-stream v1.2.1
[INFO] [stderr]   Downloaded slog-atomic v0.4.3
[INFO] [stderr]   Downloaded lz4-compress v0.1.1
[INFO] [stderr]   Downloaded twist v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa71762e879659a804323fd5269645f9709f3c0da09f51ac4f067a3fd6817e15
[INFO] running `Command { std: "docker" "start" "-a" "aa71762e879659a804323fd5269645f9709f3c0da09f51ac4f067a3fd6817e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa71762e879659a804323fd5269645f9709f3c0da09f51ac4f067a3fd6817e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa71762e879659a804323fd5269645f9709f3c0da09f51ac4f067a3fd6817e15", kill_on_drop: false }`
[INFO] [stdout] aa71762e879659a804323fd5269645f9709f3c0da09f51ac4f067a3fd6817e15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e377b828d7ff42a3e45dfd9b023f8cfed3cf8bbe9e97e381df218c31e1d90eef
[INFO] running `Command { std: "docker" "start" "-a" "e377b828d7ff42a3e45dfd9b023f8cfed3cf8bbe9e97e381df218c31e1d90eef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling slog-stream v1.2.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling uuid v0.4.0
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling slog-atomic v0.4.3
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling lz4-compress v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling slog-term v1.5.0
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling vatfluid v0.3.0
[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 9.24s
[INFO] running `Command { std: "docker" "inspect" "e377b828d7ff42a3e45dfd9b023f8cfed3cf8bbe9e97e381df218c31e1d90eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e377b828d7ff42a3e45dfd9b023f8cfed3cf8bbe9e97e381df218c31e1d90eef", kill_on_drop: false }`
[INFO] [stdout] e377b828d7ff42a3e45dfd9b023f8cfed3cf8bbe9e97e381df218c31e1d90eef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6f4bc3764c06740c70a54f1124a5fd72b884caab9fc373867c35040a41768bbe
[INFO] running `Command { std: "docker" "start" "-a" "6f4bc3764c06740c70a54f1124a5fd72b884caab9fc373867c35040a41768bbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling twist-lz4 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "6f4bc3764c06740c70a54f1124a5fd72b884caab9fc373867c35040a41768bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4bc3764c06740c70a54f1124a5fd72b884caab9fc373867c35040a41768bbe", kill_on_drop: false }`
[INFO] [stdout] 6f4bc3764c06740c70a54f1124a5fd72b884caab9fc373867c35040a41768bbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6e918e7f308bb885127d3f04dfb0a4e48c455bc29cd492e113a3faf13dff539b
[INFO] running `Command { std: "docker" "start" "-a" "6e918e7f308bb885127d3f04dfb0a4e48c455bc29cd492e113a3faf13dff539b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/twist_lz4-8d02e69fb916a813)
[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" "6e918e7f308bb885127d3f04dfb0a4e48c455bc29cd492e113a3faf13dff539b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e918e7f308bb885127d3f04dfb0a4e48c455bc29cd492e113a3faf13dff539b", kill_on_drop: false }`
[INFO] [stdout] 6e918e7f308bb885127d3f04dfb0a4e48c455bc29cd492e113a3faf13dff539b