[INFO] updating cached repository badboy/dotenv-shell
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/badboy/dotenv-shell
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/badboy/dotenv-shell" "work/ex/beta-1.37-6/sources/1.36.0/gh/badboy/dotenv-shell"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/badboy/dotenv-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/badboy/dotenv-shell" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badboy/dotenv-shell"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badboy/dotenv-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b35a1863a8b4a9c966aa5872c7edda41855baaac
[INFO] sha for GitHub repo badboy/dotenv-shell: b35a1863a8b4a9c966aa5872c7edda41855baaac
[INFO] validating manifest of badboy/dotenv-shell 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 badboy/dotenv-shell 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 badboy/dotenv-shell
[INFO] finished frobbing badboy/dotenv-shell
[INFO] frobbed toml for badboy/dotenv-shell written to work/ex/beta-1.37-6/sources/1.36.0/gh/badboy/dotenv-shell/Cargo.toml
[INFO] started frobbing badboy/dotenv-shell
[INFO] finished frobbing badboy/dotenv-shell
[INFO] frobbed toml for badboy/dotenv-shell written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badboy/dotenv-shell/Cargo.toml
[INFO] crate badboy/dotenv-shell already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/badboy/dotenv-shell/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[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 badboy/dotenv-shell against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badboy/dotenv-shell:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] df906f0636e1fc3a774ad567085bf9053957863bb9da570a24b3f7154852fe11
[INFO] running `"docker" "start" "-a" "df906f0636e1fc3a774ad567085bf9053957863bb9da570a24b3f7154852fe11"`
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling dotenv v0.8.0
[INFO] [stderr]    Compiling dotenv-shell v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `libc::c_char`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use libc::c_char;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `"docker" "inspect" "df906f0636e1fc3a774ad567085bf9053957863bb9da570a24b3f7154852fe11"`
[INFO] running `"docker" "rm" "-f" "df906f0636e1fc3a774ad567085bf9053957863bb9da570a24b3f7154852fe11"`
[INFO] [stdout] df906f0636e1fc3a774ad567085bf9053957863bb9da570a24b3f7154852fe11
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badboy/dotenv-shell:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] fa911aeb438bc395b3c070b1f2dc9f88f56395fdd2d16469f6268963cf5b3d7f
[INFO] running `"docker" "start" "-a" "fa911aeb438bc395b3c070b1f2dc9f88f56395fdd2d16469f6268963cf5b3d7f"`
[INFO] [stderr]    Compiling dotenv-shell v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `libc::c_char`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use libc::c_char;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "fa911aeb438bc395b3c070b1f2dc9f88f56395fdd2d16469f6268963cf5b3d7f"`
[INFO] running `"docker" "rm" "-f" "fa911aeb438bc395b3c070b1f2dc9f88f56395fdd2d16469f6268963cf5b3d7f"`
[INFO] [stdout] fa911aeb438bc395b3c070b1f2dc9f88f56395fdd2d16469f6268963cf5b3d7f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badboy/dotenv-shell:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 64809a74937e99bc6139c5e30bdb3742fd33bf8de17f6e3901c745d7496d993a
[INFO] running `"docker" "start" "-a" "64809a74937e99bc6139c5e30bdb3742fd33bf8de17f6e3901c745d7496d993a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dotenv_shell-287a548447271e56
[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" "64809a74937e99bc6139c5e30bdb3742fd33bf8de17f6e3901c745d7496d993a"`
[INFO] running `"docker" "rm" "-f" "64809a74937e99bc6139c5e30bdb3742fd33bf8de17f6e3901c745d7496d993a"`
[INFO] [stdout] 64809a74937e99bc6139c5e30bdb3742fd33bf8de17f6e3901c745d7496d993a