[INFO] crate pair_stack 0.1.0 is already in cache
[INFO] testing pair_stack-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate pair_stack 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pair_stack 0.1.0 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 crates.io crate pair_stack 0.1.0
[INFO] finished tweaking crates.io crate pair_stack 0.1.0
[INFO] tweaked toml for crates.io crate pair_stack 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d61cb6c95832d61516a1f581212db35cc4b7adbb3e5590b3a0025cea951be41c
[INFO] running `"docker" "start" "-a" "d61cb6c95832d61516a1f581212db35cc4b7adbb3e5590b3a0025cea951be41c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.4
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling persistent v0.4.0
[INFO] [stderr]    Compiling router v0.6.0
[INFO] [stderr]    Compiling r2d2 v0.8.8
[INFO] [stderr]    Compiling postgres-protocol v0.5.1
[INFO] [stderr]    Compiling postgres-types v0.1.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tokio-postgres v0.5.4
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling postgres v0.17.3
[INFO] [stderr]    Compiling r2d2_postgres v0.16.0
[INFO] [stderr]    Compiling pair_stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `postgres::SslMode`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use postgres::SslMode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ no `SslMode` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `hyper::method`
[INFO] [stderr]   --> src/lib.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | use hyper::method::Method;
[INFO] [stderr]    |            ^^^^^^ could not find `method` in `hyper`
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: struct `Config` is private
[INFO] [stderr]   --> src/lib.rs:16:11
[INFO] [stderr]    |
[INFO] [stderr] 16 | use r2d2::Config;
[INFO] [stderr]    |           ^^^^^^ private struct
[INFO] [stderr]    |
[INFO] [stderr] note: the struct `Config` is defined here
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r2d2-0.8.8/src/lib.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | use crate::config::Config;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 1, found 0
[INFO] [stderr]   --> src/lib.rs:47:30
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub type PostgresPool = Pool<PostgresConnectionManager>;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^ expected 1 type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 1, found 0
[INFO] [stderr]   --> src/lib.rs:48:54
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub type PostgresPooledConnection = PooledConnection<PostgresConnectionManager>;
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^ expected 1 type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0432, E0603.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error: could not compile `pair_stack`.
[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" "d61cb6c95832d61516a1f581212db35cc4b7adbb3e5590b3a0025cea951be41c"`
[INFO] running `"docker" "rm" "-f" "d61cb6c95832d61516a1f581212db35cc4b7adbb3e5590b3a0025cea951be41c"`
[INFO] [stdout] d61cb6c95832d61516a1f581212db35cc4b7adbb3e5590b3a0025cea951be41c