[INFO] crate dangerous_option 0.2.0 is already in cache
[INFO] extracting crate dangerous_option 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/dangerous_option/0.2.0
[INFO] extracting crate dangerous_option 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dangerous_option/0.2.0
[INFO] validating manifest of dangerous_option-0.2.0 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 dangerous_option-0.2.0 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 dangerous_option-0.2.0
[INFO] finished frobbing dangerous_option-0.2.0
[INFO] frobbed toml for dangerous_option-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dangerous_option/0.2.0/Cargo.toml
[INFO] started frobbing dangerous_option-0.2.0
[INFO] finished frobbing dangerous_option-0.2.0
[INFO] frobbed toml for dangerous_option-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dangerous_option/0.2.0/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] [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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing dangerous_option-0.2.0 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/dangerous_option/0.2.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 90162a84c122a047aad109bd15e2e2c8013377d2d4d1a8ec0bcfbe06a8c2f351
[INFO] running `"docker" "start" "-a" "90162a84c122a047aad109bd15e2e2c8013377d2d4d1a8ec0bcfbe06a8c2f351"`
[INFO] [stderr]    Compiling dangerous_option v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "90162a84c122a047aad109bd15e2e2c8013377d2d4d1a8ec0bcfbe06a8c2f351"`
[INFO] running `"docker" "rm" "-f" "90162a84c122a047aad109bd15e2e2c8013377d2d4d1a8ec0bcfbe06a8c2f351"`
[INFO] [stdout] 90162a84c122a047aad109bd15e2e2c8013377d2d4d1a8ec0bcfbe06a8c2f351
[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/dangerous_option/0.2.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 199edbb2aa57a83478fd6057a74e0cbd9b25ae54bc7808134a0b1313f2ad60c7
[INFO] running `"docker" "start" "-a" "199edbb2aa57a83478fd6057a74e0cbd9b25ae54bc7808134a0b1313f2ad60c7"`
[INFO] [stderr]    Compiling dangerous_option v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "199edbb2aa57a83478fd6057a74e0cbd9b25ae54bc7808134a0b1313f2ad60c7"`
[INFO] running `"docker" "rm" "-f" "199edbb2aa57a83478fd6057a74e0cbd9b25ae54bc7808134a0b1313f2ad60c7"`
[INFO] [stdout] 199edbb2aa57a83478fd6057a74e0cbd9b25ae54bc7808134a0b1313f2ad60c7
[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/dangerous_option/0.2.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a33154096f90667b3d617a2595ebda926122271b4bf6335b553155d3b02b3f42
[INFO] running `"docker" "start" "-a" "a33154096f90667b3d617a2595ebda926122271b4bf6335b553155d3b02b3f42"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dangerous_option-9e2c8118452ae11c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::success ... ok
[INFO] [stdout] test tests::panic2 ... ok
[INFO] [stdout] test tests::panic1 ... ok
[INFO] [stdout] test tests::panic3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dangerous_option
[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" "a33154096f90667b3d617a2595ebda926122271b4bf6335b553155d3b02b3f42"`
[INFO] running `"docker" "rm" "-f" "a33154096f90667b3d617a2595ebda926122271b4bf6335b553155d3b02b3f42"`
[INFO] [stdout] a33154096f90667b3d617a2595ebda926122271b4bf6335b553155d3b02b3f42