[INFO] updating cached repository andete/show_bgs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andete/show_bgs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andete/show_bgs" "work/ex/beta-1.38-1/sources/1.37.0/gh/andete/show_bgs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/andete/show_bgs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andete/show_bgs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andete/show_bgs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andete/show_bgs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4089d645c78ba7c6e98e8321aaee5862aec97228
[INFO] sha for GitHub repo andete/show_bgs: 4089d645c78ba7c6e98e8321aaee5862aec97228
[INFO] validating manifest of andete/show_bgs 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 andete/show_bgs 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 andete/show_bgs
[INFO] finished frobbing andete/show_bgs
[INFO] frobbed toml for andete/show_bgs written to work/ex/beta-1.38-1/sources/1.37.0/gh/andete/show_bgs/Cargo.toml
[INFO] started frobbing andete/show_bgs
[INFO] finished frobbing andete/show_bgs
[INFO] frobbed toml for andete/show_bgs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andete/show_bgs/Cargo.toml
[INFO] crate andete/show_bgs 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 andete/show_bgs 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/andete/show_bgs:/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] 71edef10e5ae98160ab9337cedc0eeb4de03d30712e5fe26b8351ea8a6c6a53c
[INFO] running `"docker" "start" "-a" "71edef10e5ae98160ab9337cedc0eeb4de03d30712e5fe26b8351ea8a6c6a53c"`
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling unic-common v0.7.0
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling unic-char-range v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling encoding_rs v0.8.12
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling unic-ucd-version v0.7.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling unic-char-property v0.7.0
[INFO] [stderr]    Compiling pest v2.0.2
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling smallvec v0.6.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling unic-ucd-segment v0.7.0
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling unic-segment v0.7.0
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling mime v0.3.12
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling libflate v0.1.18
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling tokio-uds v0.2.3
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling tera v0.11.20
[INFO] [stderr]    Compiling badlog v1.1.1
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling hyper-tls v0.1.4
[INFO] [stderr]    Compiling reqwest v0.8.8
[INFO] [stderr]    Compiling show_bgs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 29s
[INFO] running `"docker" "inspect" "71edef10e5ae98160ab9337cedc0eeb4de03d30712e5fe26b8351ea8a6c6a53c"`
[INFO] running `"docker" "rm" "-f" "71edef10e5ae98160ab9337cedc0eeb4de03d30712e5fe26b8351ea8a6c6a53c"`
[INFO] [stdout] 71edef10e5ae98160ab9337cedc0eeb4de03d30712e5fe26b8351ea8a6c6a53c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/andete/show_bgs:/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] 0304a5d8a78c8d52ba7ba18748080d69b9d7be2423ed28086d23a46b8e8f8c5d
[INFO] running `"docker" "start" "-a" "0304a5d8a78c8d52ba7ba18748080d69b9d7be2423ed28086d23a46b8e8f8c5d"`
[INFO] [stderr]    Compiling show_bgs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fetch_fact.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let mut f = File::create(&n).unwrap();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.24s
[INFO] running `"docker" "inspect" "0304a5d8a78c8d52ba7ba18748080d69b9d7be2423ed28086d23a46b8e8f8c5d"`
[INFO] running `"docker" "rm" "-f" "0304a5d8a78c8d52ba7ba18748080d69b9d7be2423ed28086d23a46b8e8f8c5d"`
[INFO] [stdout] 0304a5d8a78c8d52ba7ba18748080d69b9d7be2423ed28086d23a46b8e8f8c5d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/andete/show_bgs:/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] 69da79176f271473ef1f350a4e47deed56da6d3cb1d4c5fd66cd7e62cf6c6293
[INFO] running `"docker" "start" "-a" "69da79176f271473ef1f350a4e47deed56da6d3cb1d4c5fd66cd7e62cf6c6293"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/show_bgs-e2c44e01e71342dc
[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]      Running /opt/crater/target/debug/deps/calculate-eb701a310fa9413e
[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]      Running /opt/crater/target/debug/deps/fetch-9c6f3f0fe237dd75
[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]      Running /opt/crater/target/debug/deps/webpage-f33a2dd2e7089d97
[INFO] [stderr]    Doc-tests show_bgs
[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 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" "69da79176f271473ef1f350a4e47deed56da6d3cb1d4c5fd66cd7e62cf6c6293"`
[INFO] running `"docker" "rm" "-f" "69da79176f271473ef1f350a4e47deed56da6d3cb1d4c5fd66cd7e62cf6c6293"`
[INFO] [stdout] 69da79176f271473ef1f350a4e47deed56da6d3cb1d4c5fd66cd7e62cf6c6293