[INFO] crate k2so 2.1.0 is already in cache
[INFO] extracting crate k2so 2.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/k2so/2.1.0
[INFO] extracting crate k2so 2.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/k2so/2.1.0
[INFO] validating manifest of k2so-2.1.0 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 k2so-2.1.0 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 k2so-2.1.0
[INFO] finished frobbing k2so-2.1.0
[INFO] frobbed toml for k2so-2.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/k2so/2.1.0/Cargo.toml
[INFO] started frobbing k2so-2.1.0
[INFO] finished frobbing k2so-2.1.0
[INFO] frobbed toml for k2so-2.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/k2so/2.1.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing k2so-2.1.0 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-7/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/k2so/2.1.0:/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] 03c17a084fedc9ef90113b2ed5241e544823aee78f03d0c256471bc9da8d3f18
[INFO] running `"docker" "start" "-a" "03c17a084fedc9ef90113b2ed5241e544823aee78f03d0c256471bc9da8d3f18"`
[INFO] [stderr]    Compiling k2so v2.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "03c17a084fedc9ef90113b2ed5241e544823aee78f03d0c256471bc9da8d3f18"`
[INFO] running `"docker" "rm" "-f" "03c17a084fedc9ef90113b2ed5241e544823aee78f03d0c256471bc9da8d3f18"`
[INFO] [stdout] 03c17a084fedc9ef90113b2ed5241e544823aee78f03d0c256471bc9da8d3f18
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/k2so/2.1.0:/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] dbb3f5201936eb09eea5adabe1ce603060b8643bfbbb3d85afb5cb6fcb2a797a
[INFO] running `"docker" "start" "-a" "dbb3f5201936eb09eea5adabe1ce603060b8643bfbbb3d85afb5cb6fcb2a797a"`
[INFO] [stderr]    Compiling k2so v2.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "dbb3f5201936eb09eea5adabe1ce603060b8643bfbbb3d85afb5cb6fcb2a797a"`
[INFO] running `"docker" "rm" "-f" "dbb3f5201936eb09eea5adabe1ce603060b8643bfbbb3d85afb5cb6fcb2a797a"`
[INFO] [stdout] dbb3f5201936eb09eea5adabe1ce603060b8643bfbbb3d85afb5cb6fcb2a797a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/k2so/2.1.0:/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] 377f1589542f0847ce52231e7b2b2805e1c72440946d6adeaf2eb9a1a15e1ac0
[INFO] running `"docker" "start" "-a" "377f1589542f0847ce52231e7b2b2805e1c72440946d6adeaf2eb9a1a15e1ac0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/k2so-9132ad87679a9559
[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" "377f1589542f0847ce52231e7b2b2805e1c72440946d6adeaf2eb9a1a15e1ac0"`
[INFO] running `"docker" "rm" "-f" "377f1589542f0847ce52231e7b2b2805e1c72440946d6adeaf2eb9a1a15e1ac0"`
[INFO] [stdout] 377f1589542f0847ce52231e7b2b2805e1c72440946d6adeaf2eb9a1a15e1ac0