[INFO] updating cached repository rust-fuzz/cargo-fuzz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rust-fuzz/cargo-fuzz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-fuzz/cargo-fuzz" "work/ex/beta-1.38-1/sources/1.37.0/gh/rust-fuzz/cargo-fuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rust-fuzz/cargo-fuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-fuzz/cargo-fuzz" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-fuzz/cargo-fuzz"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-fuzz/cargo-fuzz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dd1de87a47ac21914256e477e953ad781609ed5c
[INFO] sha for GitHub repo rust-fuzz/cargo-fuzz: dd1de87a47ac21914256e477e953ad781609ed5c
[INFO] validating manifest of rust-fuzz/cargo-fuzz on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-fuzz/cargo-fuzz on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-fuzz/cargo-fuzz
[INFO] removed workspace from rust-fuzz/cargo-fuzz
[INFO] finished frobbing rust-fuzz/cargo-fuzz
[INFO] frobbed toml for rust-fuzz/cargo-fuzz written to work/ex/beta-1.38-1/sources/1.37.0/gh/rust-fuzz/cargo-fuzz/Cargo.toml
[INFO] started frobbing rust-fuzz/cargo-fuzz
[INFO] removed workspace from rust-fuzz/cargo-fuzz
[INFO] finished frobbing rust-fuzz/cargo-fuzz
[INFO] frobbed toml for rust-fuzz/cargo-fuzz written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-fuzz/cargo-fuzz/Cargo.toml
[INFO] crate rust-fuzz/cargo-fuzz already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rust-fuzz/cargo-fuzz against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-fuzz/cargo-fuzz:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 63f408f2651a272b56cfabd949e0c6bcf09b1e0370549ce5dbae51e2d47f7995
[INFO] running `"docker" "start" "-a" "63f408f2651a272b56cfabd949e0c6bcf09b1e0370549ce5dbae51e2d47f7995"`
[INFO] [stderr]    Compiling serde v1.0.42
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling tokio-threadpool v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.5
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-signal v0.1.5
[INFO] [stderr]    Compiling tokio-process v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling cargo-fuzz v0.5.3 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / error_chain! {
[INFO] [stderr] 33 | |     foreign_links {
[INFO] [stderr] 34 | |         Toml(toml::de::Error);
[INFO] [stderr] 35 | |         Io(::std::io::Error);
[INFO] [stderr] 36 | |     }
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / error_chain! {
[INFO] [stderr] 33 | |     foreign_links {
[INFO] [stderr] 34 | |         Toml(toml::de::Error);
[INFO] [stderr] 35 | |         Io(::std::io::Error);
[INFO] [stderr] 36 | |     }
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `"docker" "inspect" "63f408f2651a272b56cfabd949e0c6bcf09b1e0370549ce5dbae51e2d47f7995"`
[INFO] running `"docker" "rm" "-f" "63f408f2651a272b56cfabd949e0c6bcf09b1e0370549ce5dbae51e2d47f7995"`
[INFO] [stdout] 63f408f2651a272b56cfabd949e0c6bcf09b1e0370549ce5dbae51e2d47f7995
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-fuzz/cargo-fuzz:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 08da1c4f6fba7fdb34ce5677130b7ec4e31f0a14087761297f2c722fed34b004
[INFO] running `"docker" "start" "-a" "08da1c4f6fba7fdb34ce5677130b7ec4e31f0a14087761297f2c722fed34b004"`
[INFO] [stderr]    Compiling cargo-fuzz v0.5.3 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / error_chain! {
[INFO] [stderr] 33 | |     foreign_links {
[INFO] [stderr] 34 | |         Toml(toml::de::Error);
[INFO] [stderr] 35 | |         Io(::std::io::Error);
[INFO] [stderr] 36 | |     }
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | / error_chain! {
[INFO] [stderr] 33 | |     foreign_links {
[INFO] [stderr] 34 | |         Toml(toml::de::Error);
[INFO] [stderr] 35 | |         Io(::std::io::Error);
[INFO] [stderr] 36 | |     }
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "08da1c4f6fba7fdb34ce5677130b7ec4e31f0a14087761297f2c722fed34b004"`
[INFO] running `"docker" "rm" "-f" "08da1c4f6fba7fdb34ce5677130b7ec4e31f0a14087761297f2c722fed34b004"`
[INFO] [stdout] 08da1c4f6fba7fdb34ce5677130b7ec4e31f0a14087761297f2c722fed34b004
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-fuzz/cargo-fuzz:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 74e5314acdea2fb4ac1abdca7ce384fe904c53cf574489b24025ea4c56a2564a
[INFO] running `"docker" "start" "-a" "74e5314acdea2fb4ac1abdca7ce384fe904c53cf574489b24025ea4c56a2564a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_fuzz-0ecae9bc6ffa6750
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "74e5314acdea2fb4ac1abdca7ce384fe904c53cf574489b24025ea4c56a2564a"`
[INFO] running `"docker" "rm" "-f" "74e5314acdea2fb4ac1abdca7ce384fe904c53cf574489b24025ea4c56a2564a"`
[INFO] [stdout] 74e5314acdea2fb4ac1abdca7ce384fe904c53cf574489b24025ea4c56a2564a