[INFO] updating cached repository coreos/pr-nagbot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/coreos/pr-nagbot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/coreos/pr-nagbot" "work/ex/beta-1.38-1/sources/1.37.0/gh/coreos/pr-nagbot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/coreos/pr-nagbot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/coreos/pr-nagbot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coreos/pr-nagbot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coreos/pr-nagbot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7a3a2c8bc94be97b6f282c54a924afb73272c31
[INFO] sha for GitHub repo coreos/pr-nagbot: b7a3a2c8bc94be97b6f282c54a924afb73272c31
[INFO] validating manifest of coreos/pr-nagbot 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 coreos/pr-nagbot 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 coreos/pr-nagbot
[INFO] finished frobbing coreos/pr-nagbot
[INFO] frobbed toml for coreos/pr-nagbot written to work/ex/beta-1.38-1/sources/1.37.0/gh/coreos/pr-nagbot/Cargo.toml
[INFO] started frobbing coreos/pr-nagbot
[INFO] finished frobbing coreos/pr-nagbot
[INFO] frobbed toml for coreos/pr-nagbot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/coreos/pr-nagbot/Cargo.toml
[INFO] crate coreos/pr-nagbot 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 coreos/pr-nagbot 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/coreos/pr-nagbot:/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] f78b7d5f53fd0cb8b4045ad7e7a3fee24db8aea6b13cfb6a918c40ff2581f5fb
[INFO] running `"docker" "start" "-a" "f78b7d5f53fd0cb8b4045ad7e7a3fee24db8aea6b13cfb6a918c40ff2581f5fb"`
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling socket2 v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.17
[INFO] [stderr]    Compiling serde_yaml v0.7.1
[INFO] [stderr]    Compiling tokio-io v0.1.2
[INFO] [stderr]    Compiling rayon v0.7.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]    Compiling libz-sys v1.0.16
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling textwrap v0.7.0
[INFO] [stderr]    Compiling tokio-core v0.1.9
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling clap v2.26.0
[INFO] [stderr]    Compiling curl-sys v0.3.14
[INFO] [stderr]    Compiling ring v0.11.0
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.2
[INFO] [stderr]    Compiling webpki v0.14.0
[INFO] [stderr]    Compiling rustls v0.9.0
[INFO] [stderr]    Compiling webpki-roots v0.11.0
[INFO] [stderr]    Compiling tokio-rustls v0.2.4
[INFO] [stderr]    Compiling hyper-rustls v0.8.0
[INFO] [stderr]    Compiling github-rs v0.5.1
[INFO] [stderr]    Compiling curl v0.4.8
[INFO] [stderr]    Compiling slack-hook v0.5.0
[INFO] [stderr]    Compiling pr-nagbot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     error_chain!{
[INFO] [stderr] 43 | |         foreign_links {
[INFO] [stderr] 44 | |             SlackError(slack_hook::Error);
[INFO] [stderr] 45 | |             GithubError(github_rs::errors::Error);
[INFO] [stderr] 46 | |             JsonError(serde_json::Error);
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[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: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     error_chain!{
[INFO] [stderr] 43 | |         foreign_links {
[INFO] [stderr] 44 | |             SlackError(slack_hook::Error);
[INFO] [stderr] 45 | |             GithubError(github_rs::errors::Error);
[INFO] [stderr] 46 | |             JsonError(serde_json::Error);
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3m 33s
[INFO] running `"docker" "inspect" "f78b7d5f53fd0cb8b4045ad7e7a3fee24db8aea6b13cfb6a918c40ff2581f5fb"`
[INFO] running `"docker" "rm" "-f" "f78b7d5f53fd0cb8b4045ad7e7a3fee24db8aea6b13cfb6a918c40ff2581f5fb"`
[INFO] [stdout] f78b7d5f53fd0cb8b4045ad7e7a3fee24db8aea6b13cfb6a918c40ff2581f5fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/coreos/pr-nagbot:/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] e1a5a3658a69b84d1b01d725a31eb76d9c48aeed5399bf818f5a9ab7ea1d2345
[INFO] running `"docker" "start" "-a" "e1a5a3658a69b84d1b01d725a31eb76d9c48aeed5399bf818f5a9ab7ea1d2345"`
[INFO] [stderr]    Compiling pr-nagbot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     error_chain!{
[INFO] [stderr] 43 | |         foreign_links {
[INFO] [stderr] 44 | |             SlackError(slack_hook::Error);
[INFO] [stderr] 45 | |             GithubError(github_rs::errors::Error);
[INFO] [stderr] 46 | |             JsonError(serde_json::Error);
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[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: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     error_chain!{
[INFO] [stderr] 43 | |         foreign_links {
[INFO] [stderr] 44 | |             SlackError(slack_hook::Error);
[INFO] [stderr] 45 | |             GithubError(github_rs::errors::Error);
[INFO] [stderr] 46 | |             JsonError(serde_json::Error);
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "e1a5a3658a69b84d1b01d725a31eb76d9c48aeed5399bf818f5a9ab7ea1d2345"`
[INFO] running `"docker" "rm" "-f" "e1a5a3658a69b84d1b01d725a31eb76d9c48aeed5399bf818f5a9ab7ea1d2345"`
[INFO] [stdout] e1a5a3658a69b84d1b01d725a31eb76d9c48aeed5399bf818f5a9ab7ea1d2345
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/coreos/pr-nagbot:/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] e35a092ef84d520165c3edcf27e4c75e50c6e075983ad6285f8d390678b1a1bc
[INFO] running `"docker" "start" "-a" "e35a092ef84d520165c3edcf27e4c75e50c6e075983ad6285f8d390678b1a1bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pr_nagbot-82c4897610d36269
[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" "e35a092ef84d520165c3edcf27e4c75e50c6e075983ad6285f8d390678b1a1bc"`
[INFO] running `"docker" "rm" "-f" "e35a092ef84d520165c3edcf27e4c75e50c6e075983ad6285f8d390678b1a1bc"`
[INFO] [stdout] e35a092ef84d520165c3edcf27e4c75e50c6e075983ad6285f8d390678b1a1bc