[INFO] crate metrics-facade 0.1.1 is already in cache
[INFO] extracting crate metrics-facade 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/metrics-facade/0.1.1
[INFO] extracting crate metrics-facade 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/metrics-facade/0.1.1
[INFO] validating manifest of metrics-facade-0.1.1 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 metrics-facade-0.1.1 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 metrics-facade-0.1.1
[INFO] finished frobbing metrics-facade-0.1.1
[INFO] frobbed toml for metrics-facade-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/metrics-facade/0.1.1/Cargo.toml
[INFO] started frobbing metrics-facade-0.1.1
[INFO] finished frobbing metrics-facade-0.1.1
[INFO] frobbed toml for metrics-facade-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/metrics-facade/0.1.1/Cargo.toml
[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 metrics-facade-0.1.1 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/reg/metrics-facade/0.1.1:/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] 4cfe2d21c60e5e8977e4ed1ffc114bba2be4ac243bef10f906d18bd9842a4dde
[INFO] running `"docker" "start" "-a" "4cfe2d21c60e5e8977e4ed1ffc114bba2be4ac243bef10f906d18bd9842a4dde"`
[INFO] [stderr]    Compiling metrics-facade v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling metrics-core v0.4.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:157:31
[INFO] [stderr]     |
[INFO] [stderr] 157 | static mut RECORDER: &'static Recorder = &NoopRecorder;
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Recorder`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:216:40
[INFO] [stderr]     |
[INFO] [stderr] 216 | pub fn set_recorder(recorder: &'static Recorder) -> Result<(), SetRecorderError> {
[INFO] [stderr]     |                                        ^^^^^^^^ help: use `dyn`: `dyn Recorder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:239:29
[INFO] [stderr]     |
[INFO] [stderr] 239 |     F: FnOnce() -> &'static Recorder,
[INFO] [stderr]     |                             ^^^^^^^^ help: use `dyn`: `dyn Recorder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:52
[INFO] [stderr]     |
[INFO] [stderr] 274 | pub unsafe fn set_recorder_racy(recorder: &'static Recorder) -> Result<(), SetRecorderError> {
[INFO] [stderr]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn Recorder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:310:31
[INFO] [stderr]     |
[INFO] [stderr] 310 | pub fn recorder() -> &'static Recorder {
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Recorder`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "4cfe2d21c60e5e8977e4ed1ffc114bba2be4ac243bef10f906d18bd9842a4dde"`
[INFO] running `"docker" "rm" "-f" "4cfe2d21c60e5e8977e4ed1ffc114bba2be4ac243bef10f906d18bd9842a4dde"`
[INFO] [stdout] 4cfe2d21c60e5e8977e4ed1ffc114bba2be4ac243bef10f906d18bd9842a4dde
[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/reg/metrics-facade/0.1.1:/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] ffa387c4a7b789d651e27b735fc1df0b2a71fefa46222d3aefa5b38eee4a6417
[INFO] running `"docker" "start" "-a" "ffa387c4a7b789d651e27b735fc1df0b2a71fefa46222d3aefa5b38eee4a6417"`
[INFO] [stderr]    Compiling metrics-facade v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:157:31
[INFO] [stderr]     |
[INFO] [stderr] 157 | static mut RECORDER: &'static Recorder = &NoopRecorder;
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Recorder`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:216:40
[INFO] [stderr]     |
[INFO] [stderr] 216 | pub fn set_recorder(recorder: &'static Recorder) -> Result<(), SetRecorderError> {
[INFO] [stderr]     |                                        ^^^^^^^^ help: use `dyn`: `dyn Recorder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:239:29
[INFO] [stderr]     |
[INFO] [stderr] 239 |     F: FnOnce() -> &'static Recorder,
[INFO] [stderr]     |                             ^^^^^^^^ help: use `dyn`: `dyn Recorder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:52
[INFO] [stderr]     |
[INFO] [stderr] 274 | pub unsafe fn set_recorder_racy(recorder: &'static Recorder) -> Result<(), SetRecorderError> {
[INFO] [stderr]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn Recorder`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:310:31
[INFO] [stderr]     |
[INFO] [stderr] 310 | pub fn recorder() -> &'static Recorder {
[INFO] [stderr]     |                               ^^^^^^^^ help: use `dyn`: `dyn Recorder`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "ffa387c4a7b789d651e27b735fc1df0b2a71fefa46222d3aefa5b38eee4a6417"`
[INFO] running `"docker" "rm" "-f" "ffa387c4a7b789d651e27b735fc1df0b2a71fefa46222d3aefa5b38eee4a6417"`
[INFO] [stdout] ffa387c4a7b789d651e27b735fc1df0b2a71fefa46222d3aefa5b38eee4a6417
[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/reg/metrics-facade/0.1.1:/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] 5d8f7f71e701e6040c7a7db44bcf0172bd24ad1b2b81d07a55a627f2c4ac7ed9
[INFO] running `"docker" "start" "-a" "5d8f7f71e701e6040c7a7db44bcf0172bd24ad1b2b81d07a55a627f2c4ac7ed9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/metrics_facade-9bfac0bb63759924
[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 metrics-facade
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs -  (line 98) ... ok
[INFO] [stdout] test src/macros.rs - counter (line 7) ... ok
[INFO] [stdout] test src/lib.rs -  (line 126) ... ok
[INFO] [stdout] test src/macros.rs - value (line 96) ... ok
[INFO] [stdout] test src/macros.rs - gauge (line 29) ... ok
[INFO] [stdout] test src/macros.rs - timing (line 51) ... ok
[INFO] [stdout] test src/lib.rs -  (line 68) ... ok
[INFO] [stdout] test src/lib.rs -  (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5d8f7f71e701e6040c7a7db44bcf0172bd24ad1b2b81d07a55a627f2c4ac7ed9"`
[INFO] running `"docker" "rm" "-f" "5d8f7f71e701e6040c7a7db44bcf0172bd24ad1b2b81d07a55a627f2c4ac7ed9"`
[INFO] [stdout] 5d8f7f71e701e6040c7a7db44bcf0172bd24ad1b2b81d07a55a627f2c4ac7ed9