[INFO] crate rump 0.1.0 is already in cache
[INFO] extracting crate rump 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rump/0.1.0
[INFO] extracting crate rump 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rump/0.1.0
[INFO] validating manifest of rump-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rump-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/rump/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rump-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 032cb399599f3ed702b11b92414902eb3effcc2ee01189e2bab45da1c497815c
[INFO] running `"docker" "start" "-a" "032cb399599f3ed702b11b92414902eb3effcc2ee01189e2bab45da1c497815c"`
[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 1.82s
[INFO] running `"docker" "inspect" "032cb399599f3ed702b11b92414902eb3effcc2ee01189e2bab45da1c497815c"`
[INFO] running `"docker" "rm" "-f" "032cb399599f3ed702b11b92414902eb3effcc2ee01189e2bab45da1c497815c"`
[INFO] [stdout] 032cb399599f3ed702b11b92414902eb3effcc2ee01189e2bab45da1c497815c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e44a26fc234a35b6e5d3b3d590edc46531de487c02d8a70f4a3b58684c10380c
[INFO] running `"docker" "start" "-a" "e44a26fc234a35b6e5d3b3d590edc46531de487c02d8a70f4a3b58684c10380c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] running `"docker" "inspect" "e44a26fc234a35b6e5d3b3d590edc46531de487c02d8a70f4a3b58684c10380c"`
[INFO] running `"docker" "rm" "-f" "e44a26fc234a35b6e5d3b3d590edc46531de487c02d8a70f4a3b58684c10380c"`
[INFO] [stdout] e44a26fc234a35b6e5d3b3d590edc46531de487c02d8a70f4a3b58684c10380c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ec7f28d631a56b6b2ee4ceb007a8cf9b17b31a661e3b8e99452227f2edf71e69
[INFO] running `"docker" "start" "-a" "ec7f28d631a56b6b2ee4ceb007a8cf9b17b31a661e3b8e99452227f2edf71e69"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `"docker" "inspect" "ec7f28d631a56b6b2ee4ceb007a8cf9b17b31a661e3b8e99452227f2edf71e69"`
[INFO] running `"docker" "rm" "-f" "ec7f28d631a56b6b2ee4ceb007a8cf9b17b31a661e3b8e99452227f2edf71e69"`
[INFO] [stdout] ec7f28d631a56b6b2ee4ceb007a8cf9b17b31a661e3b8e99452227f2edf71e69