[INFO] updating cached repository https://github.com/rust-fuzz/cargo-fuzz
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dd1de87a47ac21914256e477e953ad781609ed5c
[INFO] checking rust-fuzz/cargo-fuzz against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-fuzz%2Fcargo-fuzz" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-fuzz/cargo-fuzz on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rust-fuzz/cargo-fuzz
[INFO] removed workspace from git repo https://github.com/rust-fuzz/cargo-fuzz
[INFO] finished tweaking git repo https://github.com/rust-fuzz/cargo-fuzz
[INFO] tweaked toml for git repo https://github.com/rust-fuzz/cargo-fuzz written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-fuzz/cargo-fuzz already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 18c09eab3ecd2ba764b7110a7c7b7f760cf41f3afc873a0f3802b90031e17a3c
[INFO] running `"docker" "start" "-a" "18c09eab3ecd2ba764b7110a7c7b7f760cf41f3afc873a0f3802b90031e17a3c"`
[INFO] [stderr]     Checking serde v1.0.42
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.4
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.5
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-signal v0.1.5
[INFO] [stderr]     Checking tokio-process v0.1.5
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking cargo-fuzz v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:238:33
[INFO] [stderr]     |
[INFO] [stderr] 238 |         let root_project_name = try!(project.root_project_name());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:238:33
[INFO] [stderr]     |
[INFO] [stderr] 238 |         let root_project_name = try!(project.root_project_name());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[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] 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 17.34s
[INFO] running `"docker" "inspect" "18c09eab3ecd2ba764b7110a7c7b7f760cf41f3afc873a0f3802b90031e17a3c"`
[INFO] running `"docker" "rm" "-f" "18c09eab3ecd2ba764b7110a7c7b7f760cf41f3afc873a0f3802b90031e17a3c"`
[INFO] [stdout] 18c09eab3ecd2ba764b7110a7c7b7f760cf41f3afc873a0f3802b90031e17a3c