[INFO] crate pop3-rs 0.1.0 is already in cache
[INFO] extracting crate pop3-rs 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/pop3-rs/0.1.0
[INFO] extracting crate pop3-rs 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pop3-rs/0.1.0
[INFO] validating manifest of pop3-rs-0.1.0 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 pop3-rs-0.1.0 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 pop3-rs-0.1.0
[INFO] finished frobbing pop3-rs-0.1.0
[INFO] frobbed toml for pop3-rs-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/pop3-rs/0.1.0/Cargo.toml
[INFO] started frobbing pop3-rs-0.1.0
[INFO] finished frobbing pop3-rs-0.1.0
[INFO] frobbed toml for pop3-rs-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/pop3-rs/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pop3-rs-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/pop3-rs/0.1.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 493e0fe89ed11d96fac56bae3aa0f4ff9aba37019d23405d805c7dabeb1fb4ff
[INFO] running `"docker" "start" "-a" "493e0fe89ed11d96fac56bae3aa0f4ff9aba37019d23405d805c7dabeb1fb4ff"`
[INFO] [stderr]    Compiling syntex_pos v0.54.0
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling error-chain v0.8.1
[INFO] [stderr]    Compiling syntex_errors v0.54.0
[INFO] [stderr]    Compiling syntex_syntax v0.54.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.3
[INFO] [stderr]    Compiling syntex v0.54.0
[INFO] [stderr]    Compiling serde_codegen v0.8.23
[INFO] [stderr]    Compiling pop3-rs 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/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     error_chain! {
[INFO] [stderr] 30 | |         foreign_links {
[INFO] [stderr] 31 | |             Io(::std::io::Error);
[INFO] [stderr] 32 | |             SslStack(::openssl::error::ErrorStack);
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |         }
[INFO] [stderr] 37 | |     }
[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/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     error_chain! {
[INFO] [stderr] 30 | |         foreign_links {
[INFO] [stderr] 31 | |             Io(::std::io::Error);
[INFO] [stderr] 32 | |             SslStack(::openssl::error::ErrorStack);
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |         }
[INFO] [stderr] 37 | |     }
[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 36.60s
[INFO] running `"docker" "inspect" "493e0fe89ed11d96fac56bae3aa0f4ff9aba37019d23405d805c7dabeb1fb4ff"`
[INFO] running `"docker" "rm" "-f" "493e0fe89ed11d96fac56bae3aa0f4ff9aba37019d23405d805c7dabeb1fb4ff"`
[INFO] [stdout] 493e0fe89ed11d96fac56bae3aa0f4ff9aba37019d23405d805c7dabeb1fb4ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/pop3-rs/0.1.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f551fdc49427ac262ed46ada00fc47e9ceb46c2c0142a6e047559a1dbc5a6c41
[INFO] running `"docker" "start" "-a" "f551fdc49427ac262ed46ada00fc47e9ceb46c2c0142a6e047559a1dbc5a6c41"`
[INFO] [stderr]    Compiling pop3-rs 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/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     error_chain! {
[INFO] [stderr] 30 | |         foreign_links {
[INFO] [stderr] 31 | |             Io(::std::io::Error);
[INFO] [stderr] 32 | |             SslStack(::openssl::error::ErrorStack);
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |         }
[INFO] [stderr] 37 | |     }
[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/lib.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | /     error_chain! {
[INFO] [stderr] 30 | |         foreign_links {
[INFO] [stderr] 31 | |             Io(::std::io::Error);
[INFO] [stderr] 32 | |             SslStack(::openssl::error::ErrorStack);
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |         }
[INFO] [stderr] 37 | |     }
[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 1.10s
[INFO] running `"docker" "inspect" "f551fdc49427ac262ed46ada00fc47e9ceb46c2c0142a6e047559a1dbc5a6c41"`
[INFO] running `"docker" "rm" "-f" "f551fdc49427ac262ed46ada00fc47e9ceb46c2c0142a6e047559a1dbc5a6c41"`
[INFO] [stdout] f551fdc49427ac262ed46ada00fc47e9ceb46c2c0142a6e047559a1dbc5a6c41
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/pop3-rs/0.1.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 5cee0864d430bcdf638492de0e7aab9b1b6d02bbe4016366f5bb6bcb7ca86594
[INFO] running `"docker" "start" "-a" "5cee0864d430bcdf638492de0e7aab9b1b6d02bbe4016366f5bb6bcb7ca86594"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pop3_rs-5492fed4f08cf407
[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]    Doc-tests pop3-rs
[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" "5cee0864d430bcdf638492de0e7aab9b1b6d02bbe4016366f5bb6bcb7ca86594"`
[INFO] running `"docker" "rm" "-f" "5cee0864d430bcdf638492de0e7aab9b1b6d02bbe4016366f5bb6bcb7ca86594"`
[INFO] [stdout] 5cee0864d430bcdf638492de0e7aab9b1b6d02bbe4016366f5bb6bcb7ca86594