[INFO] crate topo 0.8.0 is already in cache
[INFO] extracting crate topo 0.8.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/topo/0.8.0
[INFO] extracting crate topo 0.8.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/topo/0.8.0
[INFO] validating manifest of topo-0.8.0 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 topo-0.8.0 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 topo-0.8.0
[INFO] finished frobbing topo-0.8.0
[INFO] frobbed toml for topo-0.8.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/topo/0.8.0/Cargo.toml
[INFO] started frobbing topo-0.8.0
[INFO] finished frobbing topo-0.8.0
[INFO] frobbed toml for topo-0.8.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/topo/0.8.0/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded topo-macro v0.8.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing topo-0.8.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/topo/0.8.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8b9400a5bd72f4097b71b68586543a7e2381516b6b075bd2a8fc4f303d87ec23
[INFO] running `"docker" "start" "-a" "8b9400a5bd72f4097b71b68586543a7e2381516b6b075bd2a8fc4f303d87ec23"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling topo-macro v0.8.1
[INFO] [stderr]    Compiling topo v0.8.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.05s
[INFO] running `"docker" "inspect" "8b9400a5bd72f4097b71b68586543a7e2381516b6b075bd2a8fc4f303d87ec23"`
[INFO] running `"docker" "rm" "-f" "8b9400a5bd72f4097b71b68586543a7e2381516b6b075bd2a8fc4f303d87ec23"`
[INFO] [stdout] 8b9400a5bd72f4097b71b68586543a7e2381516b6b075bd2a8fc4f303d87ec23
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/topo/0.8.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b2097ff5e65514748efe5630bc371de109945c888835d9fa55345066d2a91ba5
[INFO] running `"docker" "start" "-a" "b2097ff5e65514748efe5630bc371de109945c888835d9fa55345066d2a91ba5"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling topo v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '1.37.0-x86_64-unknown-linux-gnu'
[INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 1.37.0-x86_64-unknown-linux-gnu`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.66s
[INFO] running `"docker" "inspect" "b2097ff5e65514748efe5630bc371de109945c888835d9fa55345066d2a91ba5"`
[INFO] running `"docker" "rm" "-f" "b2097ff5e65514748efe5630bc371de109945c888835d9fa55345066d2a91ba5"`
[INFO] [stdout] b2097ff5e65514748efe5630bc371de109945c888835d9fa55345066d2a91ba5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/topo/0.8.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 2f82cdb6801c4cb6a599512c4c997ba523a98642f3cd2284ab949508afbefb1c
[INFO] running `"docker" "start" "-a" "2f82cdb6801c4cb6a599512c4c997ba523a98642f3cd2284ab949508afbefb1c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/topo-2b36fd80f639d3a9
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::call_env ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple-09fa78567a8b9339
[INFO] [stdout] test tests::one_child_in_a_loop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test invoke_test_topo ... 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 topo
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '1.37.0-x86_64-unknown-linux-gnu'
[INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 1.37.0-x86_64-unknown-linux-gnu`
[INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '1.37.0-x86_64-unknown-linux-gnu'
[INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 1.37.0-x86_64-unknown-linux-gnu`
[INFO] [stdout] test src/lib.rs - call (line 65) ... ok
[INFO] [stdout] test src/lib.rs -  (line 11) ... ok
[INFO] [stdout] test src/lib.rs - call (line 73) ... ok
[INFO] [stdout] test src/lib.rs - root (line 119) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2f82cdb6801c4cb6a599512c4c997ba523a98642f3cd2284ab949508afbefb1c"`
[INFO] running `"docker" "rm" "-f" "2f82cdb6801c4cb6a599512c4c997ba523a98642f3cd2284ab949508afbefb1c"`
[INFO] [stdout] 2f82cdb6801c4cb6a599512c4c997ba523a98642f3cd2284ab949508afbefb1c