[INFO] crate base2 0.3.1 is already in cache
[INFO] extracting crate base2 0.3.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/base2/0.3.1
[INFO] extracting crate base2 0.3.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/base2/0.3.1
[INFO] validating manifest of base2-0.3.1 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 base2-0.3.1 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 base2-0.3.1
[INFO] finished frobbing base2-0.3.1
[INFO] frobbed toml for base2-0.3.1 written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/base2/0.3.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing base2-0.3.1 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 74c2095f55975cdadabc4414d4985d31e03ea922081ae58b412e5939e2e31398
[INFO] running `"docker" "start" "-a" "74c2095f55975cdadabc4414d4985d31e03ea922081ae58b412e5939e2e31398"`
[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 0.62s
[INFO] running `"docker" "inspect" "74c2095f55975cdadabc4414d4985d31e03ea922081ae58b412e5939e2e31398"`
[INFO] running `"docker" "rm" "-f" "74c2095f55975cdadabc4414d4985d31e03ea922081ae58b412e5939e2e31398"`
[INFO] [stdout] 74c2095f55975cdadabc4414d4985d31e03ea922081ae58b412e5939e2e31398
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 04f54f9ef90aecb6ab98075275951d5c0499fd508a3ae8b58fe76f5dd3290266
[INFO] running `"docker" "start" "-a" "04f54f9ef90aecb6ab98075275951d5c0499fd508a3ae8b58fe76f5dd3290266"`
[INFO] [stderr]    Compiling base2 v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "04f54f9ef90aecb6ab98075275951d5c0499fd508a3ae8b58fe76f5dd3290266"`
[INFO] running `"docker" "rm" "-f" "04f54f9ef90aecb6ab98075275951d5c0499fd508a3ae8b58fe76f5dd3290266"`
[INFO] [stdout] 04f54f9ef90aecb6ab98075275951d5c0499fd508a3ae8b58fe76f5dd3290266
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 2136490d6e0008cbf25c4f8067e27deac0be869307037e699fe946a3fcb6c48e
[INFO] running `"docker" "start" "-a" "2136490d6e0008cbf25c4f8067e27deac0be869307037e699fe946a3fcb6c48e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/base2-07e79aff2ed6a6cc
[INFO] [stderr]    Doc-tests base2
[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] [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::mask (line 45) ... ok
[INFO] [stdout] test src/lib.rs - Base2::exp2 (line 32) ... 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" "2136490d6e0008cbf25c4f8067e27deac0be869307037e699fe946a3fcb6c48e"`
[INFO] running `"docker" "rm" "-f" "2136490d6e0008cbf25c4f8067e27deac0be869307037e699fe946a3fcb6c48e"`
[INFO] [stdout] 2136490d6e0008cbf25c4f8067e27deac0be869307037e699fe946a3fcb6c48e