[INFO] updating cached repository phansch/rust-worksheets
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phansch/rust-worksheets
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phansch/rust-worksheets" "work/ex/beta-1.38-1/sources/1.37.0/gh/phansch/rust-worksheets"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/phansch/rust-worksheets'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phansch/rust-worksheets" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phansch/rust-worksheets"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phansch/rust-worksheets'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 21360376228c886a324bbd617b37771c2d7f812d
[INFO] sha for GitHub repo phansch/rust-worksheets: 21360376228c886a324bbd617b37771c2d7f812d
[INFO] validating manifest of phansch/rust-worksheets 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 phansch/rust-worksheets 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 phansch/rust-worksheets
[INFO] finished frobbing phansch/rust-worksheets
[INFO] frobbed toml for phansch/rust-worksheets written to work/ex/beta-1.38-1/sources/1.37.0/gh/phansch/rust-worksheets/Cargo.toml
[INFO] started frobbing phansch/rust-worksheets
[INFO] finished frobbing phansch/rust-worksheets
[INFO] frobbed toml for phansch/rust-worksheets written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phansch/rust-worksheets/Cargo.toml
[INFO] crate phansch/rust-worksheets already has a lockfile, it will not be regenerated
[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 phansch/rust-worksheets against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phansch/rust-worksheets:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6a2661e56483fe237067bacc8af1cec47c4bb7b36361f4f4e5965bb7b90b1707
[INFO] running `"docker" "start" "-a" "6a2661e56483fe237067bacc8af1cec47c4bb7b36361f4f4e5965bb7b90b1707"`
[INFO] [stderr]    Compiling futures v0.1.22
[INFO] [stderr]    Compiling bytecount v0.3.1
[INFO] [stderr]    Compiling string v0.1.0
[INFO] [stderr]    Compiling http-range v0.1.1
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling actix-web v0.6.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling http v0.1.7
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling regex v1.0.1
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]    Compiling crossbeam-channel v0.1.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling mime v0.3.8
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling error-chain v0.1.12
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5
[INFO] [stderr]    Compiling tokio-timer v0.2.4
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.10
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling trust-dns-proto v0.3.3
[INFO] [stderr]    Compiling tokio-signal v0.1.5
[INFO] [stderr]    Compiling cookie v0.10.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.8.2
[INFO] [stderr]    Compiling cargo_metadata v0.5.8
[INFO] [stderr]    Compiling skeptic v0.13.3
[INFO] [stderr]    Compiling actix v0.5.8
[INFO] [stderr]    Compiling rust-worksheets v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 45s
[INFO] running `"docker" "inspect" "6a2661e56483fe237067bacc8af1cec47c4bb7b36361f4f4e5965bb7b90b1707"`
[INFO] running `"docker" "rm" "-f" "6a2661e56483fe237067bacc8af1cec47c4bb7b36361f4f4e5965bb7b90b1707"`
[INFO] [stdout] 6a2661e56483fe237067bacc8af1cec47c4bb7b36361f4f4e5965bb7b90b1707
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phansch/rust-worksheets:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 95b403d9a7fd05a68b087e5dbc5f3a94f70bfb14394082b65f8a5fb89815b326
[INFO] running `"docker" "start" "-a" "95b403d9a7fd05a68b087e5dbc5f3a94f70bfb14394082b65f8a5fb89815b326"`
[INFO] [stderr]    Compiling rust-worksheets v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.04s
[INFO] running `"docker" "inspect" "95b403d9a7fd05a68b087e5dbc5f3a94f70bfb14394082b65f8a5fb89815b326"`
[INFO] running `"docker" "rm" "-f" "95b403d9a7fd05a68b087e5dbc5f3a94f70bfb14394082b65f8a5fb89815b326"`
[INFO] [stdout] 95b403d9a7fd05a68b087e5dbc5f3a94f70bfb14394082b65f8a5fb89815b326
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phansch/rust-worksheets:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 8701add6e11b2bcea6d2e6d6ef3e085a8e4d4e3160e75fcf085fb7c44d6be062
[INFO] running `"docker" "start" "-a" "8701add6e11b2bcea6d2e6d6ef3e085a8e4d4e3160e75fcf085fb7c44d6be062"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_worksheets-a0b4718ee7f9f007
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_greet ... 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/main-629d956cc99ba23f
[INFO] [stderr]    Doc-tests rust-worksheets
[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" "8701add6e11b2bcea6d2e6d6ef3e085a8e4d4e3160e75fcf085fb7c44d6be062"`
[INFO] running `"docker" "rm" "-f" "8701add6e11b2bcea6d2e6d6ef3e085a8e4d4e3160e75fcf085fb7c44d6be062"`
[INFO] [stdout] 8701add6e11b2bcea6d2e6d6ef3e085a8e4d4e3160e75fcf085fb7c44d6be062