[INFO] updating cached repository balta2ar/brotab
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/balta2ar/brotab
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/balta2ar/brotab" "work/ex/beta-1.37-6/sources/1.36.0/gh/balta2ar/brotab"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/balta2ar/brotab'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/balta2ar/brotab" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/balta2ar/brotab"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/balta2ar/brotab'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6f95713ffb8296e3317187af2e7f802bf46c3178
[INFO] sha for GitHub repo balta2ar/brotab: 6f95713ffb8296e3317187af2e7f802bf46c3178
[INFO] validating manifest of balta2ar/brotab 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 balta2ar/brotab 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 balta2ar/brotab
[INFO] finished frobbing balta2ar/brotab
[INFO] frobbed toml for balta2ar/brotab written to work/ex/beta-1.37-6/sources/1.36.0/gh/balta2ar/brotab/Cargo.toml
[INFO] started frobbing balta2ar/brotab
[INFO] finished frobbing balta2ar/brotab
[INFO] frobbed toml for balta2ar/brotab written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/balta2ar/brotab/Cargo.toml
[INFO] crate balta2ar/brotab already has a lockfile, it will not be regenerated
[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 balta2ar/brotab against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/balta2ar/brotab:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b7932f61c01d20767df263b00fda284ed2582b450de67d66ac7391d7938f4dbb
[INFO] running `"docker" "start" "-a" "b7932f61c01d20767df263b00fda284ed2582b450de67d66ac7391d7938f4dbb"`
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling futures v0.1.23
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling matches v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling encoding_rs v0.7.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]    Compiling libflate v0.1.16
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling mime v0.3.8
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling tokio-executor v0.1.3
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling tokio-timer v0.2.5
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5
[INFO] [stderr]    Compiling tokio-reactor v0.1.3
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling hyper-tls v0.1.4
[INFO] [stderr]    Compiling reqwest v0.8.7
[INFO] [stderr]    Compiling brotab v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]   --> src/main.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/main.rs:54:24
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_text`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     write!(tmpfile, "{}", "before");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         file.read_to_string(&mut contents);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `"docker" "inspect" "b7932f61c01d20767df263b00fda284ed2582b450de67d66ac7391d7938f4dbb"`
[INFO] running `"docker" "rm" "-f" "b7932f61c01d20767df263b00fda284ed2582b450de67d66ac7391d7938f4dbb"`
[INFO] [stdout] b7932f61c01d20767df263b00fda284ed2582b450de67d66ac7391d7938f4dbb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/balta2ar/brotab:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] fb8e1b9e1afde56960670e6077cf85a5b78ec04e8d79a614b3536ed5cf3bd894
[INFO] running `"docker" "start" "-a" "fb8e1b9e1afde56960670e6077cf85a5b78ec04e8d79a614b3536ed5cf3bd894"`
[INFO] [stderr]    Compiling brotab v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]   --> src/main.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]   --> src/main.rs:54:24
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn edit_text_in_editor(text: &String) -> Option<String> {
[INFO] [stderr]    |                        ^^^^ help: consider prefixing with an underscore: `_text`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     write!(tmpfile, "{}", "before");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         file.read_to_string(&mut contents);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "fb8e1b9e1afde56960670e6077cf85a5b78ec04e8d79a614b3536ed5cf3bd894"`
[INFO] running `"docker" "rm" "-f" "fb8e1b9e1afde56960670e6077cf85a5b78ec04e8d79a614b3536ed5cf3bd894"`
[INFO] [stdout] fb8e1b9e1afde56960670e6077cf85a5b78ec04e8d79a614b3536ed5cf3bd894
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/balta2ar/brotab:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 3bc8f189cc0b260e6b0344ce101b532ab6ed7bcd37b21b07107fe93522146112
[INFO] running `"docker" "start" "-a" "3bc8f189cc0b260e6b0344ce101b532ab6ed7bcd37b21b07107fe93522146112"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brotab-9644c0e866ebebfc
[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" "3bc8f189cc0b260e6b0344ce101b532ab6ed7bcd37b21b07107fe93522146112"`
[INFO] running `"docker" "rm" "-f" "3bc8f189cc0b260e6b0344ce101b532ab6ed7bcd37b21b07107fe93522146112"`
[INFO] [stdout] 3bc8f189cc0b260e6b0344ce101b532ab6ed7bcd37b21b07107fe93522146112