[INFO] fetching crate unwalk 0.2.0-beta1...
[INFO] checking unwalk-0.2.0-beta1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate unwalk 0.2.0-beta1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unwalk 0.2.0-beta1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate unwalk 0.2.0-beta1
[INFO] finished tweaking crates.io crate unwalk 0.2.0-beta1
[INFO] tweaked toml for crates.io crate unwalk 0.2.0-beta1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-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" "MAP_USER_ID=0" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 579e23d1037249b15183a2fad3269e8bb26152704cfd20bfaa0e7b82562924ee
[INFO] running `"docker" "start" "-a" "579e23d1037249b15183a2fad3269e8bb26152704cfd20bfaa0e7b82562924ee"`
[INFO] [stderr]     Checking serde v1.0.37
[INFO] [stderr]     Checking file v1.1.2
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking filebuffer v0.3.0
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling structopt-derive v0.2.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking 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] 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] 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] 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] 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] 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] 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] 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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "579e23d1037249b15183a2fad3269e8bb26152704cfd20bfaa0e7b82562924ee"`
[INFO] running `"docker" "rm" "-f" "579e23d1037249b15183a2fad3269e8bb26152704cfd20bfaa0e7b82562924ee"`
[INFO] [stdout] 579e23d1037249b15183a2fad3269e8bb26152704cfd20bfaa0e7b82562924ee