[INFO] crate rump 0.1.0 is already in cache
[INFO] extracting crate rump 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/rump/0.1.0
[INFO] extracting crate rump 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rump/0.1.0
[INFO] validating manifest of rump-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rump-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rump-0.1.0
[INFO] finished frobbing rump-0.1.0
[INFO] frobbed toml for rump-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rump/0.1.0/Cargo.toml
[INFO] started frobbing rump-0.1.0
[INFO] finished frobbing rump-0.1.0
[INFO] frobbed toml for rump-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rump/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rump-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rump/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 79ea12eb9410dba237d43a490066b432fb7e59fb2bfb4c7f7d8287eb43734fea
[INFO] running `"docker" "start" "-a" "79ea12eb9410dba237d43a490066b432fb7e59fb2bfb4c7f7d8287eb43734fea"`
[INFO] [stderr]    Compiling rump v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/data.rs:30:20
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut home = env::home_dir().unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `"docker" "inspect" "79ea12eb9410dba237d43a490066b432fb7e59fb2bfb4c7f7d8287eb43734fea"`
[INFO] running `"docker" "rm" "-f" "79ea12eb9410dba237d43a490066b432fb7e59fb2bfb4c7f7d8287eb43734fea"`
[INFO] [stdout] 79ea12eb9410dba237d43a490066b432fb7e59fb2bfb4c7f7d8287eb43734fea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rump/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d6c72afcdd1c9d6a7ae3d4f7848cf83a1283f81688fff289f46d27da19806291
[INFO] running `"docker" "start" "-a" "d6c72afcdd1c9d6a7ae3d4f7848cf83a1283f81688fff289f46d27da19806291"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `"docker" "inspect" "d6c72afcdd1c9d6a7ae3d4f7848cf83a1283f81688fff289f46d27da19806291"`
[INFO] running `"docker" "rm" "-f" "d6c72afcdd1c9d6a7ae3d4f7848cf83a1283f81688fff289f46d27da19806291"`
[INFO] [stdout] d6c72afcdd1c9d6a7ae3d4f7848cf83a1283f81688fff289f46d27da19806291
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rump/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 187c7b2652723a66c87594a989c75071ed94c451b93d395d8b793e1a3bb32a30
[INFO] running `"docker" "start" "-a" "187c7b2652723a66c87594a989c75071ed94c451b93d395d8b793e1a3bb32a30"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `"docker" "inspect" "187c7b2652723a66c87594a989c75071ed94c451b93d395d8b793e1a3bb32a30"`
[INFO] running `"docker" "rm" "-f" "187c7b2652723a66c87594a989c75071ed94c451b93d395d8b793e1a3bb32a30"`
[INFO] [stdout] 187c7b2652723a66c87594a989c75071ed94c451b93d395d8b793e1a3bb32a30