[INFO] updating cached repository ogham/checkback
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ogham/checkback
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ogham/checkback" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ogham/checkback"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ogham/checkback'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ogham/checkback" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ogham/checkback"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ogham/checkback'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6899390eb025b4cbe46ac722b390b53dff47a97b
[INFO] sha for GitHub repo ogham/checkback: 6899390eb025b4cbe46ac722b390b53dff47a97b
[INFO] validating manifest of ogham/checkback on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ogham/checkback on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ogham/checkback
[INFO] finished frobbing ogham/checkback
[INFO] frobbed toml for ogham/checkback written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/ogham/checkback/Cargo.toml
[INFO] started frobbing ogham/checkback
[INFO] finished frobbing ogham/checkback
[INFO] frobbed toml for ogham/checkback written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ogham/checkback/Cargo.toml
[INFO] crate ogham/checkback already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ogham/checkback against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-0/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/ogham/checkback:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e3fadbabce6c12437f5d8393de4f75ecba3ce808f14acadbc722eb8f4673d9cb
[INFO] running `"docker" "start" "-a" "e3fadbabce6c12437f5d8393de4f75ecba3ce808f14acadbc722eb8f4673d9cb"`
[INFO] [stderr]     Checking locale v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.31
[INFO] [stderr]    Compiling backtrace-sys v0.1.22
[INFO] [stderr]     Checking pad v0.1.5
[INFO] [stderr]     Checking iso8601 v0.1.1
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.3
[INFO] [stderr]     Checking serde_urlencoded v0.5.2
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking datetime v0.4.7
[INFO] [stderr]     Checking rayon v0.9.0
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking tokio-fs v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking tokio v0.1.6
[INFO] [stderr]     Checking os_type v2.0.0
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking human-panic v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.2.8
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking structopt v0.2.8
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking quicli v0.2.0
[INFO] [stderr]     Checking hyper-tls v0.1.3
[INFO] [stderr]     Checking reqwest v0.8.5
[INFO] [stderr]     Checking checkback v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.53s
[INFO] running `"docker" "inspect" "e3fadbabce6c12437f5d8393de4f75ecba3ce808f14acadbc722eb8f4673d9cb"`
[INFO] running `"docker" "rm" "-f" "e3fadbabce6c12437f5d8393de4f75ecba3ce808f14acadbc722eb8f4673d9cb"`
[INFO] [stdout] e3fadbabce6c12437f5d8393de4f75ecba3ce808f14acadbc722eb8f4673d9cb