[INFO] crate exec 0.3.1 is already in cache
[INFO] extracting crate exec 0.3.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/exec/0.3.1
[INFO] extracting crate exec 0.3.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/exec/0.3.1
[INFO] validating manifest of exec-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 exec-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 exec-0.3.1
[INFO] finished frobbing exec-0.3.1
[INFO] frobbed toml for exec-0.3.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/exec/0.3.1/Cargo.toml
[INFO] started frobbing exec-0.3.1
[INFO] finished frobbing exec-0.3.1
[INFO] frobbed toml for exec-0.3.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/exec/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] 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing exec-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/exec/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] f2022aa431e2587828f25fd47c1d58baf48816fffce86aebf57635ddd312e186
[INFO] running `"docker" "start" "-a" "f2022aa431e2587828f25fd47c1d58baf48816fffce86aebf57635ddd312e186"`
[INFO] [stderr]    Compiling exec v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "f2022aa431e2587828f25fd47c1d58baf48816fffce86aebf57635ddd312e186"`
[INFO] running `"docker" "rm" "-f" "f2022aa431e2587828f25fd47c1d58baf48816fffce86aebf57635ddd312e186"`
[INFO] [stdout] f2022aa431e2587828f25fd47c1d58baf48816fffce86aebf57635ddd312e186
[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/exec/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] fdfb44e90803b053d5a467e2ef73e1b2ba3597ba4763c7dc07c08e4bf8ccb88f
[INFO] running `"docker" "start" "-a" "fdfb44e90803b053d5a467e2ef73e1b2ba3597ba4763c7dc07c08e4bf8ccb88f"`
[INFO] [stderr]    Compiling exec v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "fdfb44e90803b053d5a467e2ef73e1b2ba3597ba4763c7dc07c08e4bf8ccb88f"`
[INFO] running `"docker" "rm" "-f" "fdfb44e90803b053d5a467e2ef73e1b2ba3597ba4763c7dc07c08e4bf8ccb88f"`
[INFO] [stdout] fdfb44e90803b053d5a467e2ef73e1b2ba3597ba4763c7dc07c08e4bf8ccb88f
[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/exec/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] 76afff378d980b22b9f77c7cc873ff6ce7757fae65cacd78793702920a448658
[INFO] running `"docker" "start" "-a" "76afff378d980b22b9f77c7cc873ff6ce7757fae65cacd78793702920a448658"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/exec-d529127dbcc586fb
[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 exec
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Command (line 129) ... ok
[INFO] [stdout] test src/lib.rs - execvp (line 93) ... ok
[INFO] [stdout] test src/lib.rs - Command::args (line 161) ... 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" "76afff378d980b22b9f77c7cc873ff6ce7757fae65cacd78793702920a448658"`
[INFO] running `"docker" "rm" "-f" "76afff378d980b22b9f77c7cc873ff6ce7757fae65cacd78793702920a448658"`
[INFO] [stdout] 76afff378d980b22b9f77c7cc873ff6ce7757fae65cacd78793702920a448658