[INFO] updating cached repository offscale/offregisters-lib
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/offscale/offregisters-lib
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/offscale/offregisters-lib" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/offscale/offregisters-lib"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/offscale/offregisters-lib'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/offscale/offregisters-lib" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/offscale/offregisters-lib"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/offscale/offregisters-lib'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 003cf39b99439508b2be452573f5c9faf3c0f29b
[INFO] sha for GitHub repo offscale/offregisters-lib: 003cf39b99439508b2be452573f5c9faf3c0f29b
[INFO] validating manifest of offscale/offregisters-lib on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of offscale/offregisters-lib on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing offscale/offregisters-lib
[INFO] finished frobbing offscale/offregisters-lib
[INFO] frobbed toml for offscale/offregisters-lib written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/offscale/offregisters-lib/Cargo.toml
[INFO] started frobbing offscale/offregisters-lib
[INFO] finished frobbing offscale/offregisters-lib
[INFO] frobbed toml for offscale/offregisters-lib written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/offscale/offregisters-lib/Cargo.toml
[INFO] crate offscale/offregisters-lib already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking offscale/offregisters-lib against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/offscale/offregisters-lib:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 469ebf9865a7bafd1ed00d755454632ed4dd2beec8a5f0d283c9b167beb1faa5
[INFO] running `"docker" "start" "-a" "469ebf9865a7bafd1ed00d755454632ed4dd2beec8a5f0d283c9b167beb1faa5"`
[INFO] [stderr]    Compiling mio_httpc v0.8.6
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking openssl v0.10.16
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking tar v0.4.23
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking crypto-hash v0.3.3
[INFO] [stderr]     Checking native-tls v0.2.2
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking hyper v0.12.27
[INFO] [stderr]     Checking liboffregisters v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `response_text`
[INFO] [stderr]   --> src/download.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn response_text(&self) -> Result<String, Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.08s
[INFO] running `"docker" "inspect" "469ebf9865a7bafd1ed00d755454632ed4dd2beec8a5f0d283c9b167beb1faa5"`
[INFO] running `"docker" "rm" "-f" "469ebf9865a7bafd1ed00d755454632ed4dd2beec8a5f0d283c9b167beb1faa5"`
[INFO] [stdout] 469ebf9865a7bafd1ed00d755454632ed4dd2beec8a5f0d283c9b167beb1faa5