[INFO] updating cached repository https://github.com/xurtis/container
[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] 2c053bc619e9caf754120ae601de35d76c229e7f
[INFO] checking xurtis/container against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxurtis%2Fcontainer" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xurtis/container on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/xurtis/container
[INFO] finished tweaking git repo https://github.com/xurtis/container
[INFO] tweaked toml for git repo https://github.com/xurtis/container written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/xurtis/container already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] dc420ae0fb5a5c065a8acfa517e3ce6970626c1d87431ecb7bcd11c5ad1708ec
[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" "dc420ae0fb5a5c065a8acfa517e3ce6970626c1d87431ecb7bcd11c5ad1708ec"`
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking unshare v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking loadconf v0.2.0
[INFO] [stderr]     Checking container v0.2.0 (/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:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain!{
[INFO] [stderr] 6  | |     // Wrappers for other error_chains.
[INFO] [stderr] 7  | |     links {
[INFO] [stderr] 8  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 45 | |     }
[INFO] [stderr] 46 | | }
[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:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain!{
[INFO] [stderr] 6  | |     // Wrappers for other error_chains.
[INFO] [stderr] 7  | |     links {
[INFO] [stderr] 8  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 45 | |     }
[INFO] [stderr] 46 | | }
[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:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain!{
[INFO] [stderr] 6  | |     // Wrappers for other error_chains.
[INFO] [stderr] 7  | |     links {
[INFO] [stderr] 8  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 45 | |     }
[INFO] [stderr] 46 | | }
[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:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain!{
[INFO] [stderr] 6  | |     // Wrappers for other error_chains.
[INFO] [stderr] 7  | |     links {
[INFO] [stderr] 8  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 45 | |     }
[INFO] [stderr] 46 | | }
[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 35.85s
[INFO] running `"docker" "inspect" "dc420ae0fb5a5c065a8acfa517e3ce6970626c1d87431ecb7bcd11c5ad1708ec"`
[INFO] running `"docker" "rm" "-f" "dc420ae0fb5a5c065a8acfa517e3ce6970626c1d87431ecb7bcd11c5ad1708ec"`
[INFO] [stdout] dc420ae0fb5a5c065a8acfa517e3ce6970626c1d87431ecb7bcd11c5ad1708ec