[INFO] updating cached repository jasonwhite/button-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jasonwhite/button-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jasonwhite/button-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/jasonwhite/button-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jasonwhite/button-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jasonwhite/button-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasonwhite/button-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasonwhite/button-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6526148d9d9619ec91500f751645be5cfb6b4f16
[INFO] sha for GitHub repo jasonwhite/button-rs: 6526148d9d9619ec91500f751645be5cfb6b4f16
[INFO] validating manifest of jasonwhite/button-rs 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 jasonwhite/button-rs 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 jasonwhite/button-rs
[INFO] finished frobbing jasonwhite/button-rs
[INFO] frobbed toml for jasonwhite/button-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/jasonwhite/button-rs/Cargo.toml
[INFO] started frobbing jasonwhite/button-rs
[INFO] finished frobbing jasonwhite/button-rs
[INFO] frobbed toml for jasonwhite/button-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasonwhite/button-rs/Cargo.toml
[INFO] crate jasonwhite/button-rs 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 jasonwhite/button-rs 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/jasonwhite/button-rs:/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] cffbf6cd4d50d701298811e27ac0e09561d803a4b1c18fc244e25de9a346ea9f
[INFO] running `"docker" "start" "-a" "cffbf6cd4d50d701298811e27ac0e09561d803a4b1c18fc244e25de9a346ea9f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling tokio-sync v0.1.5
[INFO] [stderr]    Compiling tower-service v0.2.0
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling daemonize v0.4.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling os_pipe v0.8.1
[INFO] [stderr]    Compiling signal-hook-registry v1.0.1
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling mio v0.6.17
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling signal-hook v0.1.9
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling derive_more v0.14.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling holyhashmap v0.1.2
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling tokio-serde v0.3.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling tokio-serde-bincode v0.2.1
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling pretty_env_logger v0.3.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling tokio v0.1.20
[INFO] [stderr]    Compiling h2 v0.1.20
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling hyper v0.12.29
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.17
[INFO] [stderr]    Compiling button v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Indexable` is imported redundantly
[INFO] [stderr]    --> src/button/build_graph.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 28  |     Algo, Edges, Graph, GraphBase, Graphviz, Indexable, Neighbors, NodeIndex,
[INFO] [stderr]     |                                              --------- the item `Indexable` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 128 |         use crate::graph::Indexable;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/button/server/service.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |         Box<Future<Item = Self::Response, Error = Self::Error> + Send>;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error> + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `EndBuildEvent`
[INFO] [stderr]   --> src/button/events/mod.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct EndBuildEvent {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 39s
[INFO] running `"docker" "inspect" "cffbf6cd4d50d701298811e27ac0e09561d803a4b1c18fc244e25de9a346ea9f"`
[INFO] running `"docker" "rm" "-f" "cffbf6cd4d50d701298811e27ac0e09561d803a4b1c18fc244e25de9a346ea9f"`
[INFO] [stdout] cffbf6cd4d50d701298811e27ac0e09561d803a4b1c18fc244e25de9a346ea9f
[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/jasonwhite/button-rs:/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] 517f2dd0277c9240175b1dee419baabd801abb7127af4a580702eea58786ef73
[INFO] running `"docker" "start" "-a" "517f2dd0277c9240175b1dee419baabd801abb7127af4a580702eea58786ef73"`
[INFO] [stderr]    Compiling button v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Indexable` is imported redundantly
[INFO] [stderr]    --> src/button/build_graph.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 28  |     Algo, Edges, Graph, GraphBase, Graphviz, Indexable, Neighbors, NodeIndex,
[INFO] [stderr]     |                                              --------- the item `Indexable` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 128 |         use crate::graph::Indexable;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/button/server/service.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |         Box<Future<Item = Self::Response, Error = Self::Error> + Send>;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error = Self::Error> + Send`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `EndBuildEvent`
[INFO] [stderr]   --> src/button/events/mod.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct EndBuildEvent {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.32s
[INFO] running `"docker" "inspect" "517f2dd0277c9240175b1dee419baabd801abb7127af4a580702eea58786ef73"`
[INFO] running `"docker" "rm" "-f" "517f2dd0277c9240175b1dee419baabd801abb7127af4a580702eea58786ef73"`
[INFO] [stdout] 517f2dd0277c9240175b1dee419baabd801abb7127af4a580702eea58786ef73
[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/jasonwhite/button-rs:/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] ad3dba47bed2b010818bdf05d01640d578e009f63fb76fc82d8517abdbffedc2
[INFO] running `"docker" "start" "-a" "ad3dba47bed2b010818bdf05d01640d578e009f63fb76fc82d8517abdbffedc2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/button-d5c7441689b6b1f8
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test graph::base::tests::diff ... ok
[INFO] [stdout] test build_graph::tests::test_cycles ... ok
[INFO] [stdout] test res::file::tests::test_normalized ... ok
[INFO] [stdout] test graph::base::tests::test_smoke ... ok
[INFO] [stdout] test task::makedir::tests::known_inputs_dot_parent ... ok
[INFO] [stdout] test build_graph::tests::test_good_graph ... ok
[INFO] [stdout] test build_graph::tests::test_races ... ok
[INFO] [stdout] test graph::base::tests::test_tarjan ... ok
[INFO] [stdout] test task::command::tests::test_command_display ... ok
[INFO] [stdout] test task::makedir::tests::known_inputs_parent ... ok
[INFO] [stdout] test rules::tests::test_loading ... ok
[INFO] [stdout] test util::iter::tests::test_empty_or_any ... ok
[INFO] [stdout] test util::args::tests::test_arg_display ... ok
[INFO] [stdout] test task::makedir::tests::known_outputs ... ok
[INFO] [stdout] test task::makedir::tests::known_inputs_no_parent ... ok
[INFO] [stdout] test util::path::tests::test_relative_from ... ok
[INFO] [stdout] test util::path::tests::test_norm ... ok
[INFO] [stdout] test util::make::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/button-f76e54920c5ce179
[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 button
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/button/util/retry.rs - util::retry (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ad3dba47bed2b010818bdf05d01640d578e009f63fb76fc82d8517abdbffedc2"`
[INFO] running `"docker" "rm" "-f" "ad3dba47bed2b010818bdf05d01640d578e009f63fb76fc82d8517abdbffedc2"`
[INFO] [stdout] ad3dba47bed2b010818bdf05d01640d578e009f63fb76fc82d8517abdbffedc2