[INFO] crate varmint 0.1.3 is already in cache
[INFO] extracting crate varmint 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/varmint/0.1.3
[INFO] extracting crate varmint 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/varmint/0.1.3
[INFO] validating manifest of varmint-0.1.3 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 varmint-0.1.3 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 varmint-0.1.3
[INFO] finished frobbing varmint-0.1.3
[INFO] frobbed toml for varmint-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/varmint/0.1.3/Cargo.toml
[INFO] started frobbing varmint-0.1.3
[INFO] finished frobbing varmint-0.1.3
[INFO] frobbed toml for varmint-0.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/varmint/0.1.3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing varmint-0.1.3 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/varmint/0.1.3:/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] 0c21ad247a798b90756e8a7505407f90bdd522d05d95919a0e0e5493750b0b2c
[INFO] running `"docker" "start" "-a" "0c21ad247a798b90756e8a7505407f90bdd522d05d95919a0e0e5493750b0b2c"`
[INFO] [stderr]    Compiling varmint v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "0c21ad247a798b90756e8a7505407f90bdd522d05d95919a0e0e5493750b0b2c"`
[INFO] running `"docker" "rm" "-f" "0c21ad247a798b90756e8a7505407f90bdd522d05d95919a0e0e5493750b0b2c"`
[INFO] [stdout] 0c21ad247a798b90756e8a7505407f90bdd522d05d95919a0e0e5493750b0b2c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/varmint/0.1.3:/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] c090d93ebe63e1f55dd7019eb287c05d41acac0a45f5de6e5bcad753f1978011
[INFO] running `"docker" "start" "-a" "c090d93ebe63e1f55dd7019eb287c05d41acac0a45f5de6e5bcad753f1978011"`
[INFO] [stderr]    Compiling varmint v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `"docker" "inspect" "c090d93ebe63e1f55dd7019eb287c05d41acac0a45f5de6e5bcad753f1978011"`
[INFO] running `"docker" "rm" "-f" "c090d93ebe63e1f55dd7019eb287c05d41acac0a45f5de6e5bcad753f1978011"`
[INFO] [stdout] c090d93ebe63e1f55dd7019eb287c05d41acac0a45f5de6e5bcad753f1978011
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/varmint/0.1.3:/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] 71e461de7ee7e608f9ba81b4cff8bceca5a8ac88b8a96ac2763910adf50a3ba6
[INFO] running `"docker" "start" "-a" "71e461de7ee7e608f9ba81b4cff8bceca5a8ac88b8a96ac2763910adf50a3ba6"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/varmint-d04f8939b1dd062d
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test len::tests::one ... ok
[INFO] [stdout] test len::tests::one_byte_threshold_above ... ok
[INFO] [stdout] test len::tests::half ... ok
[INFO] [stdout] test len::tests::all ... ok
[INFO] [stdout] test len::tests::many ... ok
[INFO] [stdout] test read::tests::some ... ok
[INFO] [stdout] test read::tests::one ... ok
[INFO] [stdout] test read::tests::many ... ok
[INFO] [stdout] test read::tests::half ... ok
[INFO] [stdout] test read::tests::all ... ok
[INFO] [stdout] test len::tests::zero ... ok
[INFO] [stdout] test read::tests::too_many ... ok
[INFO] [stdout] test read::tests::try_none ... ok
[INFO] [stdout] test len::tests::some ... ok
[INFO] [stdout] test read::tests::try_some ... ok
[INFO] [stdout] test read::tests::zero ... ok
[INFO] [stdout] test write::tests::all ... ok
[INFO] [stdout] test write::tests::half ... ok
[INFO] [stdout] test write::tests::many ... ok
[INFO] [stdout] test write::tests::one ... ok
[INFO] [stdout] test write::tests::some ... ok
[INFO] [stdout] test write::tests::zero ... ok
[INFO] [stdout] test len::tests::one_byte_threshold_below ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests varmint
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/write.rs - write::WriteVarInt::write_u64_varint (line 19) ... ok
[INFO] [stdout] test src/read.rs - read::ReadVarInt::try_read_u64_varint (line 73) ... ok
[INFO] [stdout] test src/read.rs - read::ReadVarInt::read_u64_varint (line 26) ... ok
[INFO] [stdout] test src/read.rs - read::ReadVarInt::try_read_usize_varint (line 105) ... ok
[INFO] [stdout] test src/read.rs - read::ReadVarInt::read_usize_varint (line 47) ... ok
[INFO] [stdout] test src/read.rs - read::ReadVarInt::try_read_u64_varint (line 79) ... ok
[INFO] [stdout] test src/write.rs - write::WriteVarInt::write_usize_varint (line 36) ... ok
[INFO] [stdout] test src/read.rs - read::ReadVarInt::try_read_usize_varint (line 111) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "71e461de7ee7e608f9ba81b4cff8bceca5a8ac88b8a96ac2763910adf50a3ba6"`
[INFO] running `"docker" "rm" "-f" "71e461de7ee7e608f9ba81b4cff8bceca5a8ac88b8a96ac2763910adf50a3ba6"`
[INFO] [stdout] 71e461de7ee7e608f9ba81b4cff8bceca5a8ac88b8a96ac2763910adf50a3ba6