[INFO] updating cached repository bmatthieu3/pygamma_slides
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bmatthieu3/pygamma_slides
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bmatthieu3/pygamma_slides" "work/ex/beta-1.38-1/sources/1.37.0/gh/bmatthieu3/pygamma_slides"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bmatthieu3/pygamma_slides'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bmatthieu3/pygamma_slides" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bmatthieu3/pygamma_slides"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bmatthieu3/pygamma_slides'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 76579512d213bb2289705609e38a4011f3fcbddb
[INFO] sha for GitHub repo bmatthieu3/pygamma_slides: 76579512d213bb2289705609e38a4011f3fcbddb
[INFO] validating manifest of bmatthieu3/pygamma_slides 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 bmatthieu3/pygamma_slides 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 bmatthieu3/pygamma_slides
[INFO] finished frobbing bmatthieu3/pygamma_slides
[INFO] frobbed toml for bmatthieu3/pygamma_slides written to work/ex/beta-1.38-1/sources/1.37.0/gh/bmatthieu3/pygamma_slides/Cargo.toml
[INFO] started frobbing bmatthieu3/pygamma_slides
[INFO] finished frobbing bmatthieu3/pygamma_slides
[INFO] frobbed toml for bmatthieu3/pygamma_slides written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bmatthieu3/pygamma_slides/Cargo.toml
[INFO] crate bmatthieu3/pygamma_slides 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 bmatthieu3/pygamma_slides 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bmatthieu3/pygamma_slides:/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] 7435349b311d0b4d509247361417e3b4256369aa2aecea066ba49dee88384d82
[INFO] running `"docker" "start" "-a" "7435349b311d0b4d509247361417e3b4256369aa2aecea066ba49dee88384d82"`
[INFO] [stderr]    Compiling pygamma_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `take_ownership_foo`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn take_ownership_foo(foo: Foo) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ex_1`
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn ex_1() {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "7435349b311d0b4d509247361417e3b4256369aa2aecea066ba49dee88384d82"`
[INFO] running `"docker" "rm" "-f" "7435349b311d0b4d509247361417e3b4256369aa2aecea066ba49dee88384d82"`
[INFO] [stdout] 7435349b311d0b4d509247361417e3b4256369aa2aecea066ba49dee88384d82
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bmatthieu3/pygamma_slides:/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] fd93d83686c406e1d8aa4c254d761c79e56406294ca82785e14e1586be3dcbb0
[INFO] running `"docker" "start" "-a" "fd93d83686c406e1d8aa4c254d761c79e56406294ca82785e14e1586be3dcbb0"`
[INFO] [stderr]    Compiling pygamma_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `take_ownership_foo`
[INFO] [stderr]   --> src/main.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn take_ownership_foo(foo: Foo) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ex_1`
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn ex_1() {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "fd93d83686c406e1d8aa4c254d761c79e56406294ca82785e14e1586be3dcbb0"`
[INFO] running `"docker" "rm" "-f" "fd93d83686c406e1d8aa4c254d761c79e56406294ca82785e14e1586be3dcbb0"`
[INFO] [stdout] fd93d83686c406e1d8aa4c254d761c79e56406294ca82785e14e1586be3dcbb0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bmatthieu3/pygamma_slides:/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] a70bc64486c576ce28a53dbf47a385114c7e951c2d5bd5a02566d2b3f1491a57
[INFO] running `"docker" "start" "-a" "a70bc64486c576ce28a53dbf47a385114c7e951c2d5bd5a02566d2b3f1491a57"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pygamma_rust-f3c95124aa1364c9
[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" "a70bc64486c576ce28a53dbf47a385114c7e951c2d5bd5a02566d2b3f1491a57"`
[INFO] running `"docker" "rm" "-f" "a70bc64486c576ce28a53dbf47a385114c7e951c2d5bd5a02566d2b3f1491a57"`
[INFO] [stdout] a70bc64486c576ce28a53dbf47a385114c7e951c2d5bd5a02566d2b3f1491a57