[INFO] updating cached repository https://github.com/bennyyip/aefs
[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] b84ed3306e990b06b2fc6b8c6e44a100e1538c32
[INFO] checking bennyyip/aefs against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbennyyip%2Faefs" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bennyyip/aefs 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/bennyyip/aefs
[INFO] finished tweaking git repo https://github.com/bennyyip/aefs
[INFO] tweaked toml for git repo https://github.com/bennyyip/aefs written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bennyyip/aefs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/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] 539e1ba15417c2311754c2ce1d27d6cb477b47052bd459e526eb990ae5d41295
[INFO] running `"docker" "start" "-a" "539e1ba15417c2311754c2ce1d27d6cb477b47052bd459e526eb990ae5d41295"`
[INFO] [stderr]     Checking untrusted v0.6.1
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking rustbreak v1.4.0
[INFO] [stderr]    Compiling rayon v0.9.0
[INFO] [stderr]    Compiling ring v0.13.0-alpha
[INFO] [stderr]     Checking aefs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain!{
[INFO] [stderr] 2 | |     foreign_links {
[INFO] [stderr] 3 | |         Io(::std::io::Error);
[INFO] [stderr] 4 | |         Ring(::ring::error::Unspecified);
[INFO] [stderr] ... |
[INFO] [stderr] 8 | |     }
[INFO] [stderr] 9 | | }
[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/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain!{
[INFO] [stderr] 2 | |     foreign_links {
[INFO] [stderr] 3 | |         Io(::std::io::Error);
[INFO] [stderr] 4 | |         Ring(::ring::error::Unspecified);
[INFO] [stderr] ... |
[INFO] [stderr] 8 | |     }
[INFO] [stderr] 9 | | }
[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/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain!{
[INFO] [stderr] 2 | |     foreign_links {
[INFO] [stderr] 3 | |         Io(::std::io::Error);
[INFO] [stderr] 4 | |         Ring(::ring::error::Unspecified);
[INFO] [stderr] ... |
[INFO] [stderr] 8 | |     }
[INFO] [stderr] 9 | | }
[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/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain!{
[INFO] [stderr] 2 | |     foreign_links {
[INFO] [stderr] 3 | |         Io(::std::io::Error);
[INFO] [stderr] 4 | |         Ring(::ring::error::Unspecified);
[INFO] [stderr] ... |
[INFO] [stderr] 8 | |     }
[INFO] [stderr] 9 | | }
[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: the feature `fs_read_write` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(fs_read_write)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `fs_read_write` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(fs_read_write)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.58s
[INFO] running `"docker" "inspect" "539e1ba15417c2311754c2ce1d27d6cb477b47052bd459e526eb990ae5d41295"`
[INFO] running `"docker" "rm" "-f" "539e1ba15417c2311754c2ce1d27d6cb477b47052bd459e526eb990ae5d41295"`
[INFO] [stdout] 539e1ba15417c2311754c2ce1d27d6cb477b47052bd459e526eb990ae5d41295