[INFO] updating cached repository https://github.com/guangie88/unwalk
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 9be570627bcd5c50e4d3eb7632c6e6027895bb31
[INFO] testing guangie88/unwalk against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguangie88%2Funwalk" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guangie88/unwalk on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/guangie88/unwalk
[INFO] removed workspace from git repo https://github.com/guangie88/unwalk
[INFO] removed path dependency unwalk-base from git repo https://github.com/guangie88/unwalk
[INFO] removed path dependency unwalk-gz from git repo https://github.com/guangie88/unwalk
[INFO] finished tweaking git repo https://github.com/guangie88/unwalk
[INFO] tweaked toml for git repo https://github.com/guangie88/unwalk written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/guangie88/unwalk already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] c81fc8ee09a24c7b67fd33d3320defc9f2038b154fa10efdc0df38127aceb93c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c81fc8ee09a24c7b67fd33d3320defc9f2038b154fa10efdc0df38127aceb93c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]    Compiling file v1.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling walkdir v2.1.4
[INFO] [stderr]    Compiling filebuffer v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling unwalk-base v0.2.0-beta1
[INFO] [stderr] error[E0407]: method `name` is not a member of trait `failure::Fail`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unwalk-base-0.2.0-beta1/src/error.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[derive(Fail, Debug)]
[INFO] [stderr]   |          ^^^^ not a member of trait `failure::Fail`
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `_core` in `failure`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unwalk-base-0.2.0-beta1/src/error.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[derive(Fail, Debug)]
[INFO] [stderr]   |          ^^^^ could not find `_core` in `failure`
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `AsFail` in `failure`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unwalk-base-0.2.0-beta1/src/error.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[derive(Fail, Debug)]
[INFO] [stderr]   |          ^^^^ could not find `AsFail` in `failure`
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `name` is not a member of trait `failure::Fail`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unwalk-base-0.2.0-beta1/src/error.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 | #[derive(Fail, Debug)]
[INFO] [stderr]    |          ^^^^ not a member of trait `failure::Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `_core` in `failure`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unwalk-base-0.2.0-beta1/src/error.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 | #[derive(Fail, Debug)]
[INFO] [stderr]    |          ^^^^ could not find `_core` in `failure`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0407]: method `name` is not a member of trait `failure::Fail`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unwalk-base-0.2.0-beta1/src/error.rs:67:45
[INFO] [stderr]    |
[INFO] [stderr] 67 | #[derive(Copy, Clone, Eq, PartialEq, Debug, Fail)]
[INFO] [stderr]    |                                             ^^^^ not a member of trait `failure::Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `_core` in `failure`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unwalk-base-0.2.0-beta1/src/error.rs:67:45
[INFO] [stderr]    |
[INFO] [stderr] 67 | #[derive(Copy, Clone, Eq, PartialEq, Debug, Fail)]
[INFO] [stderr]    |                                             ^^^^ could not find `_core` in `failure`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0407, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0407`.
[INFO] [stderr] error: could not compile `unwalk-base`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c81fc8ee09a24c7b67fd33d3320defc9f2038b154fa10efdc0df38127aceb93c"`
[INFO] running `"docker" "rm" "-f" "c81fc8ee09a24c7b67fd33d3320defc9f2038b154fa10efdc0df38127aceb93c"`
[INFO] [stdout] c81fc8ee09a24c7b67fd33d3320defc9f2038b154fa10efdc0df38127aceb93c