[INFO] crate rs_tracing 1.0.1 is already in cache
[INFO] extracting crate rs_tracing 1.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/rs_tracing/1.0.1
[INFO] extracting crate rs_tracing 1.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rs_tracing/1.0.1
[INFO] validating manifest of rs_tracing-1.0.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rs_tracing-1.0.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rs_tracing-1.0.1
[INFO] finished frobbing rs_tracing-1.0.1
[INFO] frobbed toml for rs_tracing-1.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rs_tracing/1.0.1/Cargo.toml
[INFO] started frobbing rs_tracing-1.0.1
[INFO] finished frobbing rs_tracing-1.0.1
[INFO] frobbed toml for rs_tracing-1.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rs_tracing/1.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rs_tracing-1.0.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rs_tracing/1.0.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 597239b1df7ce0fe3a1e49bddf6155b864aa06df8cb9020717f522f4b1455a84
[INFO] running `"docker" "start" "-a" "597239b1df7ce0fe3a1e49bddf6155b864aa06df8cb9020717f522f4b1455a84"`
[INFO] [stderr]    Compiling rs_tracing v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `"docker" "inspect" "597239b1df7ce0fe3a1e49bddf6155b864aa06df8cb9020717f522f4b1455a84"`
[INFO] running `"docker" "rm" "-f" "597239b1df7ce0fe3a1e49bddf6155b864aa06df8cb9020717f522f4b1455a84"`
[INFO] [stdout] 597239b1df7ce0fe3a1e49bddf6155b864aa06df8cb9020717f522f4b1455a84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rs_tracing/1.0.1:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9f63364e7269adf04a70972004e3f9559d62f1cd70c6a66a05d468f15cd21436
[INFO] running `"docker" "start" "-a" "9f63364e7269adf04a70972004e3f9559d62f1cd70c6a66a05d468f15cd21436"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling rs_tracing v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "9f63364e7269adf04a70972004e3f9559d62f1cd70c6a66a05d468f15cd21436"`
[INFO] running `"docker" "rm" "-f" "9f63364e7269adf04a70972004e3f9559d62f1cd70c6a66a05d468f15cd21436"`
[INFO] [stdout] 9f63364e7269adf04a70972004e3f9559d62f1cd70c6a66a05d468f15cd21436
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rs_tracing/1.0.1:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 74e65781ca4674cfb5f3bf95b27a83c707a7e4e3fcc3af1a44c91bc2344e9b9e
[INFO] running `"docker" "start" "-a" "74e65781ca4674cfb5f3bf95b27a83c707a7e4e3fcc3af1a44c91bc2344e9b9e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rs_tracing-e9d93108b06e4acc
[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 rs_tracing
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - trace_end (line 233) ... ok
[INFO] [stdout] test src/lib.rs - trace_begin (line 200) ... ok
[INFO] [stdout] test src/lib.rs - trace_deactivate (line 50) ... ok
[INFO] [stdout] test src/lib.rs - trace_activate (line 31) ... ok
[INFO] [stdout] test src/lib.rs - open_trace_file (line 69) ... ok
[INFO] [stdout] test src/lib.rs - trace_expr (line 153) ... ok
[INFO] [stdout] test src/lib.rs - trace_begin (line 192) ... ok
[INFO] [stdout] test src/lib.rs - trace_end (line 241) ... ok
[INFO] [stdout] test src/lib.rs - trace_scoped (line 111) ... ok
[INFO] [stdout] test src/lib.rs - trace_scoped (line 120) ... ok
[INFO] [stdout] test src/lib.rs - trace_expr (line 160) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "74e65781ca4674cfb5f3bf95b27a83c707a7e4e3fcc3af1a44c91bc2344e9b9e"`
[INFO] running `"docker" "rm" "-f" "74e65781ca4674cfb5f3bf95b27a83c707a7e4e3fcc3af1a44c91bc2344e9b9e"`
[INFO] [stdout] 74e65781ca4674cfb5f3bf95b27a83c707a7e4e3fcc3af1a44c91bc2344e9b9e