[INFO] fetching crate trawler 0.6.3...
[INFO] extracting crate trawler 0.6.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/trawler/0.6.3
[INFO] extracting crate trawler 0.6.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/trawler/0.6.3
[INFO] validating manifest of trawler-0.6.3 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 trawler-0.6.3 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 trawler-0.6.3
[INFO] finished frobbing trawler-0.6.3
[INFO] frobbed toml for trawler-0.6.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/trawler/0.6.3/Cargo.toml
[INFO] started frobbing trawler-0.6.3
[INFO] finished frobbing trawler-0.6.3
[INFO] frobbed toml for trawler-0.6.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/trawler/0.6.3/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zipf v6.0.0
[INFO] [stderr]   Downloaded histogram-sampler v0.4.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing trawler-0.6.3 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/trawler/0.6.3:/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] 1ea489a6963f654d0b7c374e841c912d6edb4df0e99d68d837f8d494ec45cf2a
[INFO] running `"docker" "start" "-a" "1ea489a6963f654d0b7c374e841c912d6edb4df0e99d68d837f8d494ec45cf2a"`
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling getrandom v0.1.7
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling trawler v0.6.3 (/opt/crater/workdir)
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling headers-core v0.1.1
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling flate2 v1.0.9
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling slog-term v2.4.1
[INFO] [stderr]    Compiling hdrhistogram v6.3.4
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling rand_distr v0.2.1
[INFO] [stderr]    Compiling zipf v6.0.0
[INFO] [stderr]    Compiling histogram-sampler v0.4.0
[INFO] [stderr]    Compiling headers-derive v0.1.0
[INFO] [stderr]    Compiling headers v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.19s
[INFO] running `"docker" "inspect" "1ea489a6963f654d0b7c374e841c912d6edb4df0e99d68d837f8d494ec45cf2a"`
[INFO] running `"docker" "rm" "-f" "1ea489a6963f654d0b7c374e841c912d6edb4df0e99d68d837f8d494ec45cf2a"`
[INFO] [stdout] 1ea489a6963f654d0b7c374e841c912d6edb4df0e99d68d837f8d494ec45cf2a
[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/trawler/0.6.3:/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] bc4630016b82dc8e8c46472ddd3358b092510b1c01b798014523b180f59fc1d4
[INFO] running `"docker" "start" "-a" "bc4630016b82dc8e8c46472ddd3358b092510b1c01b798014523b180f59fc1d4"`
[INFO] [stderr]    Compiling trawler v0.6.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `"docker" "inspect" "bc4630016b82dc8e8c46472ddd3358b092510b1c01b798014523b180f59fc1d4"`
[INFO] running `"docker" "rm" "-f" "bc4630016b82dc8e8c46472ddd3358b092510b1c01b798014523b180f59fc1d4"`
[INFO] [stdout] bc4630016b82dc8e8c46472ddd3358b092510b1c01b798014523b180f59fc1d4
[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/trawler/0.6.3:/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] 8d95df41620cad73047299b0be10b4a2741c2dc1b5eb34fd39168e207e8cc6cb
[INFO] running `"docker" "start" "-a" "8d95df41620cad73047299b0be10b4a2741c2dc1b5eb34fd39168e207e8cc6cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/trawler-d4797aec5d2d2644
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test client::tests::textual_requests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/trawler-d7787bacc86de24a
[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 trawler
[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" "8d95df41620cad73047299b0be10b4a2741c2dc1b5eb34fd39168e207e8cc6cb"`
[INFO] running `"docker" "rm" "-f" "8d95df41620cad73047299b0be10b4a2741c2dc1b5eb34fd39168e207e8cc6cb"`
[INFO] [stdout] 8d95df41620cad73047299b0be10b4a2741c2dc1b5eb34fd39168e207e8cc6cb