[INFO] updating cached repository deciduously/pdfmailer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/deciduously/pdfmailer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/deciduously/pdfmailer" "work/ex/beta-1.38-1/sources/1.37.0/gh/deciduously/pdfmailer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/deciduously/pdfmailer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/deciduously/pdfmailer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deciduously/pdfmailer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deciduously/pdfmailer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f626cf1658c7ff511f9117c0a283eb463143300a
[INFO] sha for GitHub repo deciduously/pdfmailer: f626cf1658c7ff511f9117c0a283eb463143300a
[INFO] validating manifest of deciduously/pdfmailer 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 deciduously/pdfmailer 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 deciduously/pdfmailer
[INFO] finished frobbing deciduously/pdfmailer
[INFO] frobbed toml for deciduously/pdfmailer written to work/ex/beta-1.38-1/sources/1.37.0/gh/deciduously/pdfmailer/Cargo.toml
[INFO] started frobbing deciduously/pdfmailer
[INFO] finished frobbing deciduously/pdfmailer
[INFO] frobbed toml for deciduously/pdfmailer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/deciduously/pdfmailer/Cargo.toml
[INFO] crate deciduously/pdfmailer 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing deciduously/pdfmailer 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/deciduously/pdfmailer:/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] d5b087a1c89b4aa6c02e184ac264ca39f3929b1328328748deb71846f4cf41e3
[INFO] running `"docker" "start" "-a" "d5b087a1c89b4aa6c02e184ac264ca39f3929b1328328748deb71846f4cf41e3"`
[INFO] [stderr]    Compiling pom v3.0.1
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling lopdf v0.20.0
[INFO] [stderr]    Compiling pdfmailer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `run_create`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn run_create() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.77s
[INFO] running `"docker" "inspect" "d5b087a1c89b4aa6c02e184ac264ca39f3929b1328328748deb71846f4cf41e3"`
[INFO] running `"docker" "rm" "-f" "d5b087a1c89b4aa6c02e184ac264ca39f3929b1328328748deb71846f4cf41e3"`
[INFO] [stdout] d5b087a1c89b4aa6c02e184ac264ca39f3929b1328328748deb71846f4cf41e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/deciduously/pdfmailer:/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] 6cc9113d15978f3656906d573f7e1a839f83efbae7ef362fb4721de913c40801
[INFO] running `"docker" "start" "-a" "6cc9113d15978f3656906d573f7e1a839f83efbae7ef362fb4721de913c40801"`
[INFO] [stderr]    Compiling pdfmailer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `run_create`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn run_create() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "6cc9113d15978f3656906d573f7e1a839f83efbae7ef362fb4721de913c40801"`
[INFO] running `"docker" "rm" "-f" "6cc9113d15978f3656906d573f7e1a839f83efbae7ef362fb4721de913c40801"`
[INFO] [stdout] 6cc9113d15978f3656906d573f7e1a839f83efbae7ef362fb4721de913c40801
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/deciduously/pdfmailer:/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] bbc6ce81f15b787510ca0c6d0d768f3b58cf5f87bf7b1afe7d4c511e9882def7
[INFO] running `"docker" "start" "-a" "bbc6ce81f15b787510ca0c6d0d768f3b58cf5f87bf7b1afe7d4c511e9882def7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pdfmailer-b841326587f519ed
[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" "bbc6ce81f15b787510ca0c6d0d768f3b58cf5f87bf7b1afe7d4c511e9882def7"`
[INFO] running `"docker" "rm" "-f" "bbc6ce81f15b787510ca0c6d0d768f3b58cf5f87bf7b1afe7d4c511e9882def7"`
[INFO] [stdout] bbc6ce81f15b787510ca0c6d0d768f3b58cf5f87bf7b1afe7d4c511e9882def7