[INFO] crate base2 0.3.1 is already in cache
[INFO] extracting crate base2 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/base2/0.3.1
[INFO] extracting crate base2 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/base2/0.3.1
[INFO] validating manifest of base2-0.3.1 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 base2-0.3.1 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 base2-0.3.1
[INFO] finished frobbing base2-0.3.1
[INFO] frobbed toml for base2-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/base2/0.3.1/Cargo.toml
[INFO] started frobbing base2-0.3.1
[INFO] finished frobbing base2-0.3.1
[INFO] frobbed toml for base2-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/base2/0.3.1/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing base2-0.3.1 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/base2/0.3.1:/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] 8d545f2d1c90bb94b9ab2723047db07151f3b39b5ca86909fcf99860eefdc222
[INFO] running `"docker" "start" "-a" "8d545f2d1c90bb94b9ab2723047db07151f3b39b5ca86909fcf99860eefdc222"`
[INFO] [stderr]    Compiling int v0.3.0
[INFO] [stderr]    Compiling base2 v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "8d545f2d1c90bb94b9ab2723047db07151f3b39b5ca86909fcf99860eefdc222"`
[INFO] running `"docker" "rm" "-f" "8d545f2d1c90bb94b9ab2723047db07151f3b39b5ca86909fcf99860eefdc222"`
[INFO] [stdout] 8d545f2d1c90bb94b9ab2723047db07151f3b39b5ca86909fcf99860eefdc222
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/base2/0.3.1:/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] 5e4ec6c8ac321f98c42154e659be122bd35ef656e49c9b07176f7b1ccdc52519
[INFO] running `"docker" "start" "-a" "5e4ec6c8ac321f98c42154e659be122bd35ef656e49c9b07176f7b1ccdc52519"`
[INFO] [stderr]    Compiling base2 v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "5e4ec6c8ac321f98c42154e659be122bd35ef656e49c9b07176f7b1ccdc52519"`
[INFO] running `"docker" "rm" "-f" "5e4ec6c8ac321f98c42154e659be122bd35ef656e49c9b07176f7b1ccdc52519"`
[INFO] [stdout] 5e4ec6c8ac321f98c42154e659be122bd35ef656e49c9b07176f7b1ccdc52519
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/base2/0.3.1:/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] 34031c3cbe9e5066552205612eae12c191c65e5a5ba06ac4a2bfc7d3510cacdc
[INFO] running `"docker" "start" "-a" "34031c3cbe9e5066552205612eae12c191c65e5a5ba06ac4a2bfc7d3510cacdc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/base2-77091daace2866b3
[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] [stderr]    Doc-tests base2
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Base2::floor_log2 (line 8) ... ok
[INFO] [stdout] test src/lib.rs - Base2::exp2 (line 32) ... ok
[INFO] [stdout] test src/lib.rs - Base2::mask (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "34031c3cbe9e5066552205612eae12c191c65e5a5ba06ac4a2bfc7d3510cacdc"`
[INFO] running `"docker" "rm" "-f" "34031c3cbe9e5066552205612eae12c191c65e5a5ba06ac4a2bfc7d3510cacdc"`
[INFO] [stdout] 34031c3cbe9e5066552205612eae12c191c65e5a5ba06ac4a2bfc7d3510cacdc