[INFO] updating cached repository nayato/length-push
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nayato/length-push
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nayato/length-push" "work/ex/beta-1.38-1/sources/1.37.0/gh/nayato/length-push"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nayato/length-push'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nayato/length-push" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nayato/length-push"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nayato/length-push'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e11a3187492a061d533f3a5b3c082e1d80a05539
[INFO] sha for GitHub repo nayato/length-push: e11a3187492a061d533f3a5b3c082e1d80a05539
[INFO] validating manifest of nayato/length-push 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 nayato/length-push 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 nayato/length-push
[INFO] finished frobbing nayato/length-push
[INFO] frobbed toml for nayato/length-push written to work/ex/beta-1.38-1/sources/1.37.0/gh/nayato/length-push/Cargo.toml
[INFO] started frobbing nayato/length-push
[INFO] finished frobbing nayato/length-push
[INFO] frobbed toml for nayato/length-push written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nayato/length-push/Cargo.toml
[INFO] crate nayato/length-push 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 nayato/length-push 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nayato/length-push:/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] cb2b206939ee5ee18df1e95311229c9bce3a84ade4f56381e0032c762d02e4e3
[INFO] running `"docker" "start" "-a" "cb2b206939ee5ee18df1e95311229c9bce3a84ade4f56381e0032c762d02e4e3"`
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling openssl-sys v0.9.33
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]    Compiling tokio-io v0.1.5
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling sct v0.3.0
[INFO] [stderr]    Compiling webpki v0.18.1
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling rustls v0.12.0
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling tokio-rustls v0.5.0
[INFO] [stderr]    Compiling length-push v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
[INFO] [stderr]  --> src/error.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![allow(unused_doc_comment)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `codec::LengthCodec`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | use codec::LengthCodec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:133:79
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn connect_with_retry<Io, F, Ft>(handle: Handle, new_transport: Rc<F>) -> Box<Future<Item = Io, Error = Error>>
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Io, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain!{
[INFO] [stderr] 4  | |     errors {
[INFO] [stderr] 5  | |         FrameTooBig(n: Option<usize>) {
[INFO] [stderr] 6  | |             description("Frame is too big")
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[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/error.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain!{
[INFO] [stderr] 4  | |     errors {
[INFO] [stderr] 5  | |         FrameTooBig(n: Option<usize>) {
[INFO] [stderr] 6  | |             description("Frame is too big")
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[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] warning: unused variable: `offset`
[INFO] [stderr]   --> src/main.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     offset: usize,
[INFO] [stderr]    |     ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LengthCodec`
[INFO] [stderr]  --> src/codec.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct LengthCodec {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/codec.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> LengthCodec {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.34s
[INFO] running `"docker" "inspect" "cb2b206939ee5ee18df1e95311229c9bce3a84ade4f56381e0032c762d02e4e3"`
[INFO] running `"docker" "rm" "-f" "cb2b206939ee5ee18df1e95311229c9bce3a84ade4f56381e0032c762d02e4e3"`
[INFO] [stdout] cb2b206939ee5ee18df1e95311229c9bce3a84ade4f56381e0032c762d02e4e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nayato/length-push:/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] 69942a934e71b54272f5111591d1c49d8498b41da2e2171c6ff05875bf1b56b3
[INFO] running `"docker" "start" "-a" "69942a934e71b54272f5111591d1c49d8498b41da2e2171c6ff05875bf1b56b3"`
[INFO] [stderr]    Compiling length-push v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
[INFO] [stderr]  --> src/error.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![allow(unused_doc_comment)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `codec::LengthCodec`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | use codec::LengthCodec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:133:79
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn connect_with_retry<Io, F, Ft>(handle: Handle, new_transport: Rc<F>) -> Box<Future<Item = Io, Error = Error>>
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Io, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain!{
[INFO] [stderr] 4  | |     errors {
[INFO] [stderr] 5  | |         FrameTooBig(n: Option<usize>) {
[INFO] [stderr] 6  | |             description("Frame is too big")
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[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/error.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / error_chain!{
[INFO] [stderr] 4  | |     errors {
[INFO] [stderr] 5  | |         FrameTooBig(n: Option<usize>) {
[INFO] [stderr] 6  | |             description("Frame is too big")
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[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] warning: unused variable: `offset`
[INFO] [stderr]   --> src/main.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     offset: usize,
[INFO] [stderr]    |     ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LengthCodec`
[INFO] [stderr]  --> src/codec.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct LengthCodec {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/codec.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new() -> LengthCodec {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "69942a934e71b54272f5111591d1c49d8498b41da2e2171c6ff05875bf1b56b3"`
[INFO] running `"docker" "rm" "-f" "69942a934e71b54272f5111591d1c49d8498b41da2e2171c6ff05875bf1b56b3"`
[INFO] [stdout] 69942a934e71b54272f5111591d1c49d8498b41da2e2171c6ff05875bf1b56b3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nayato/length-push:/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] 44f2976c4023879f624087335db8e50b0887d744292bbe27e1c863ce07ca54da
[INFO] running `"docker" "start" "-a" "44f2976c4023879f624087335db8e50b0887d744292bbe27e1c863ce07ca54da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/length_push-2d476cc6854f2ff8
[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" "44f2976c4023879f624087335db8e50b0887d744292bbe27e1c863ce07ca54da"`
[INFO] running `"docker" "rm" "-f" "44f2976c4023879f624087335db8e50b0887d744292bbe27e1c863ce07ca54da"`
[INFO] [stdout] 44f2976c4023879f624087335db8e50b0887d744292bbe27e1c863ce07ca54da