[INFO] cloning repository https://github.com/bmatthieu3/pygamma_slides
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bmatthieu3/pygamma_slides" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmatthieu3%2Fpygamma_slides", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmatthieu3%2Fpygamma_slides'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76579512d213bb2289705609e38a4011f3fcbddb
[INFO] testing bmatthieu3/pygamma_slides against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmatthieu3%2Fpygamma_slides" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bmatthieu3/pygamma_slides on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bmatthieu3/pygamma_slides
[INFO] finished tweaking git repo https://github.com/bmatthieu3/pygamma_slides
[INFO] tweaked toml for git repo https://github.com/bmatthieu3/pygamma_slides written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/bmatthieu3/pygamma_slides already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 295cec152516b36c8e9e46f2474c0e263dd4f4e2dac93d21bd1322b8c4b6b149
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "295cec152516b36c8e9e46f2474c0e263dd4f4e2dac93d21bd1322b8c4b6b149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "295cec152516b36c8e9e46f2474c0e263dd4f4e2dac93d21bd1322b8c4b6b149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295cec152516b36c8e9e46f2474c0e263dd4f4e2dac93d21bd1322b8c4b6b149", kill_on_drop: false }`
[INFO] [stdout] 295cec152516b36c8e9e46f2474c0e263dd4f4e2dac93d21bd1322b8c4b6b149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6ac1d98c17084b2bd93a2f3adcc4df20b053962c01fdd3073bf6ad7442bcbae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c6ac1d98c17084b2bd93a2f3adcc4df20b053962c01fdd3073bf6ad7442bcbae", kill_on_drop: false }`
[INFO] [stderr]    Compiling pygamma_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `take_ownership_foo`
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn take_ownership_foo(foo: Foo) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex_1`
[INFO] [stdout]   --> src/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn ex_1() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "c6ac1d98c17084b2bd93a2f3adcc4df20b053962c01fdd3073bf6ad7442bcbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ac1d98c17084b2bd93a2f3adcc4df20b053962c01fdd3073bf6ad7442bcbae", kill_on_drop: false }`
[INFO] [stdout] c6ac1d98c17084b2bd93a2f3adcc4df20b053962c01fdd3073bf6ad7442bcbae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 695a0f68891529f6b72a49f7fb6c65ab03ca50dce6eba3bd304f95d4059e6a4b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "695a0f68891529f6b72a49f7fb6c65ab03ca50dce6eba3bd304f95d4059e6a4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pygamma_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `take_ownership_foo`
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn take_ownership_foo(foo: Foo) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ex_1`
[INFO] [stdout]   --> src/main.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn ex_1() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "695a0f68891529f6b72a49f7fb6c65ab03ca50dce6eba3bd304f95d4059e6a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "695a0f68891529f6b72a49f7fb6c65ab03ca50dce6eba3bd304f95d4059e6a4b", kill_on_drop: false }`
[INFO] [stdout] 695a0f68891529f6b72a49f7fb6c65ab03ca50dce6eba3bd304f95d4059e6a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07419b714b9e16fdbd7e1cad154fdd5a2a0a411a9861f195dc91aa43467daa87
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "07419b714b9e16fdbd7e1cad154fdd5a2a0a411a9861f195dc91aa43467daa87", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `take_ownership_foo`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:10:4
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 10 | fn take_ownership_foo(foo: Foo) {
[INFO] [stdout] 
[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:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn ex_1() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pygamma_rust` (bin "pygamma_rust" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pygamma_rust-9ae110432a4376da)
[INFO] running `Command { std: "docker" "inspect" "07419b714b9e16fdbd7e1cad154fdd5a2a0a411a9861f195dc91aa43467daa87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07419b714b9e16fdbd7e1cad154fdd5a2a0a411a9861f195dc91aa43467daa87", kill_on_drop: false }`
[INFO] [stdout] 07419b714b9e16fdbd7e1cad154fdd5a2a0a411a9861f195dc91aa43467daa87