[INFO] updating cached repository pop-os/popsicle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pop-os/popsicle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pop-os/popsicle" "work/ex/beta-1.38-1/sources/1.37.0/gh/pop-os/popsicle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pop-os/popsicle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pop-os/popsicle" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pop-os/popsicle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pop-os/popsicle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a60bb13b700bfb1782a043ac2eb9a891d7745e8
[INFO] sha for GitHub repo pop-os/popsicle: 6a60bb13b700bfb1782a043ac2eb9a891d7745e8
[INFO] validating manifest of pop-os/popsicle 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 pop-os/popsicle 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 pop-os/popsicle
[INFO] removed workspace from pop-os/popsicle
[INFO] finished frobbing pop-os/popsicle
[INFO] frobbed toml for pop-os/popsicle written to work/ex/beta-1.38-1/sources/1.37.0/gh/pop-os/popsicle/Cargo.toml
[INFO] started frobbing pop-os/popsicle
[INFO] removed workspace from pop-os/popsicle
[INFO] finished frobbing pop-os/popsicle
[INFO] frobbed toml for pop-os/popsicle written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pop-os/popsicle/Cargo.toml
[INFO] crate pop-os/popsicle already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pop-os/popsicle/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "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 pop-os/popsicle 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pop-os/popsicle:/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] 1a427036166c2012548ee827b4bcc4f7f18b101d0421c4dde765176ac1e21564
[INFO] running `"docker" "start" "-a" "1a427036166c2012548ee827b4bcc4f7f18b101d0421c4dde765176ac1e21564"`
[INFO] [stderr]    Compiling mnt v0.3.1
[INFO] [stderr]    Compiling popsicle v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `"docker" "inspect" "1a427036166c2012548ee827b4bcc4f7f18b101d0421c4dde765176ac1e21564"`
[INFO] running `"docker" "rm" "-f" "1a427036166c2012548ee827b4bcc4f7f18b101d0421c4dde765176ac1e21564"`
[INFO] [stdout] 1a427036166c2012548ee827b4bcc4f7f18b101d0421c4dde765176ac1e21564
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pop-os/popsicle:/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] cf16a78dbca04fa41eeca28ab14d5fe57550ed5b5a49c3ee1ac8e2be9daac776
[INFO] running `"docker" "start" "-a" "cf16a78dbca04fa41eeca28ab14d5fe57550ed5b5a49c3ee1ac8e2be9daac776"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling popsicle v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "cf16a78dbca04fa41eeca28ab14d5fe57550ed5b5a49c3ee1ac8e2be9daac776"`
[INFO] running `"docker" "rm" "-f" "cf16a78dbca04fa41eeca28ab14d5fe57550ed5b5a49c3ee1ac8e2be9daac776"`
[INFO] [stdout] cf16a78dbca04fa41eeca28ab14d5fe57550ed5b5a49c3ee1ac8e2be9daac776
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pop-os/popsicle:/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] 5b5b703362dbdd93d5ba0870ec23351d3945269cbe340d8916ba7d5515d3633f
[INFO] running `"docker" "start" "-a" "5b5b703362dbdd93d5ba0870ec23351d3945269cbe340d8916ba7d5515d3633f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/popsicle-41df683cfa1eed10
[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 popsicle
[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" "5b5b703362dbdd93d5ba0870ec23351d3945269cbe340d8916ba7d5515d3633f"`
[INFO] running `"docker" "rm" "-f" "5b5b703362dbdd93d5ba0870ec23351d3945269cbe340d8916ba7d5515d3633f"`
[INFO] [stdout] 5b5b703362dbdd93d5ba0870ec23351d3945269cbe340d8916ba7d5515d3633f