[INFO] crate tower-trace 0.0.0 is already in cache
[INFO] extracting crate tower-trace 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/tower-trace/0.0.0
[INFO] extracting crate tower-trace 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-trace/0.0.0
[INFO] validating manifest of tower-trace-0.0.0 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 tower-trace-0.0.0 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 tower-trace-0.0.0
[INFO] finished frobbing tower-trace-0.0.0
[INFO] frobbed toml for tower-trace-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/tower-trace/0.0.0/Cargo.toml
[INFO] started frobbing tower-trace-0.0.0
[INFO] finished frobbing tower-trace-0.0.0
[INFO] frobbed toml for tower-trace-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/tower-trace/0.0.0/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 tower-trace-0.0.0 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tower-trace/0.0.0:/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] 92abd48560eaddbb8e13da8e55fb58955571be199e50d06960e092b1579f3bb4
[INFO] running `"docker" "start" "-a" "92abd48560eaddbb8e13da8e55fb58955571be199e50d06960e092b1579f3bb4"`
[INFO] [stderr]    Compiling tower-trace v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "92abd48560eaddbb8e13da8e55fb58955571be199e50d06960e092b1579f3bb4"`
[INFO] running `"docker" "rm" "-f" "92abd48560eaddbb8e13da8e55fb58955571be199e50d06960e092b1579f3bb4"`
[INFO] [stdout] 92abd48560eaddbb8e13da8e55fb58955571be199e50d06960e092b1579f3bb4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tower-trace/0.0.0:/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] 97fa7cc4b31e80e521f006dce840e071becb19d5bf297f113089aca888e6fdf9
[INFO] running `"docker" "start" "-a" "97fa7cc4b31e80e521f006dce840e071becb19d5bf297f113089aca888e6fdf9"`
[INFO] [stderr]    Compiling tower-trace v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "97fa7cc4b31e80e521f006dce840e071becb19d5bf297f113089aca888e6fdf9"`
[INFO] running `"docker" "rm" "-f" "97fa7cc4b31e80e521f006dce840e071becb19d5bf297f113089aca888e6fdf9"`
[INFO] [stdout] 97fa7cc4b31e80e521f006dce840e071becb19d5bf297f113089aca888e6fdf9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/tower-trace/0.0.0:/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] 21dee2479651600b933243dc40bb23426270b08555c423deb99cb78c559e0378
[INFO] running `"docker" "start" "-a" "21dee2479651600b933243dc40bb23426270b08555c423deb99cb78c559e0378"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tower_trace-b926a3d42454bd77
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-trace
[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" "21dee2479651600b933243dc40bb23426270b08555c423deb99cb78c559e0378"`
[INFO] running `"docker" "rm" "-f" "21dee2479651600b933243dc40bb23426270b08555c423deb99cb78c559e0378"`
[INFO] [stdout] 21dee2479651600b933243dc40bb23426270b08555c423deb99cb78c559e0378