[INFO] crate mvr 0.2.1 is already in cache
[INFO] extracting crate mvr 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/mvr/0.2.1
[INFO] extracting crate mvr 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mvr/0.2.1
[INFO] validating manifest of mvr-0.2.1 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 mvr-0.2.1 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 mvr-0.2.1
[INFO] finished frobbing mvr-0.2.1
[INFO] frobbed toml for mvr-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mvr/0.2.1/Cargo.toml
[INFO] started frobbing mvr-0.2.1
[INFO] finished frobbing mvr-0.2.1
[INFO] frobbed toml for mvr-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mvr/0.2.1/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 mvr-0.2.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mvr/0.2.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 54f4013bbc8ed0a7625c8c74f1d7a3f1f42b157b9687b3ad1fde57a78b167355
[INFO] running `"docker" "start" "-a" "54f4013bbc8ed0a7625c8c74f1d7a3f1f42b157b9687b3ad1fde57a78b167355"`
[INFO] [stderr]    Compiling mvr v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `"docker" "inspect" "54f4013bbc8ed0a7625c8c74f1d7a3f1f42b157b9687b3ad1fde57a78b167355"`
[INFO] running `"docker" "rm" "-f" "54f4013bbc8ed0a7625c8c74f1d7a3f1f42b157b9687b3ad1fde57a78b167355"`
[INFO] [stdout] 54f4013bbc8ed0a7625c8c74f1d7a3f1f42b157b9687b3ad1fde57a78b167355
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mvr/0.2.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d89414f18e5df77279e43bdb614594cc2fae1f154e55274ea22e7f868ab77f0c
[INFO] running `"docker" "start" "-a" "d89414f18e5df77279e43bdb614594cc2fae1f154e55274ea22e7f868ab77f0c"`
[INFO] [stderr]    Compiling mvr v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "d89414f18e5df77279e43bdb614594cc2fae1f154e55274ea22e7f868ab77f0c"`
[INFO] running `"docker" "rm" "-f" "d89414f18e5df77279e43bdb614594cc2fae1f154e55274ea22e7f868ab77f0c"`
[INFO] [stdout] d89414f18e5df77279e43bdb614594cc2fae1f154e55274ea22e7f868ab77f0c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mvr/0.2.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6f6859677ec4114dac0637bddacfe6079de1a11ff1ecefa66401e8c31ff54604
[INFO] running `"docker" "start" "-a" "6f6859677ec4114dac0637bddacfe6079de1a11ff1ecefa66401e8c31ff54604"`
[INFO] [stderr]    Compiling mvr v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mvr-2ddd0e45dcc53652
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6f6859677ec4114dac0637bddacfe6079de1a11ff1ecefa66401e8c31ff54604"`
[INFO] running `"docker" "rm" "-f" "6f6859677ec4114dac0637bddacfe6079de1a11ff1ecefa66401e8c31ff54604"`
[INFO] [stdout] 6f6859677ec4114dac0637bddacfe6079de1a11ff1ecefa66401e8c31ff54604