[INFO] crate telnet 0.1.4 is already in cache
[INFO] extracting crate telnet 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/telnet/0.1.4
[INFO] extracting crate telnet 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/telnet/0.1.4
[INFO] validating manifest of telnet-0.1.4 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 telnet-0.1.4 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 telnet-0.1.4
[INFO] finished frobbing telnet-0.1.4
[INFO] frobbed toml for telnet-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/telnet/0.1.4/Cargo.toml
[INFO] started frobbing telnet-0.1.4
[INFO] finished frobbing telnet-0.1.4
[INFO] frobbed toml for telnet-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/telnet/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing telnet-0.1.4 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/telnet/0.1.4:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 33e32cacec4b92f0fa763db96910ac39245f7f0ab9dd592c8388f547812d1680
[INFO] running `"docker" "start" "-a" "33e32cacec4b92f0fa763db96910ac39245f7f0ab9dd592c8388f547812d1680"`
[INFO] [stderr]    Compiling telnet v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:51:16
[INFO] [stderr]    |
[INFO] [stderr] 51 | type TStream = stream::Stream;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn stream::Stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "33e32cacec4b92f0fa763db96910ac39245f7f0ab9dd592c8388f547812d1680"`
[INFO] running `"docker" "rm" "-f" "33e32cacec4b92f0fa763db96910ac39245f7f0ab9dd592c8388f547812d1680"`
[INFO] [stdout] 33e32cacec4b92f0fa763db96910ac39245f7f0ab9dd592c8388f547812d1680
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/telnet/0.1.4:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5f809dfeb7b7639d757e9a5fb8f748413e27a9be6d816fa754520230a8f75ff6
[INFO] running `"docker" "start" "-a" "5f809dfeb7b7639d757e9a5fb8f748413e27a9be6d816fa754520230a8f75ff6"`
[INFO] [stderr]    Compiling telnet v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:51:16
[INFO] [stderr]    |
[INFO] [stderr] 51 | type TStream = stream::Stream;
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn stream::Stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "5f809dfeb7b7639d757e9a5fb8f748413e27a9be6d816fa754520230a8f75ff6"`
[INFO] running `"docker" "rm" "-f" "5f809dfeb7b7639d757e9a5fb8f748413e27a9be6d816fa754520230a8f75ff6"`
[INFO] [stdout] 5f809dfeb7b7639d757e9a5fb8f748413e27a9be6d816fa754520230a8f75ff6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/telnet/0.1.4:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ee5d1cfa822bc48326a26df9319bf2e0095f0ecf31ebb0fdd1be0115bf87816e
[INFO] running `"docker" "start" "-a" "ee5d1cfa822bc48326a26df9319bf2e0095f0ecf31ebb0fdd1be0115bf87816e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/telnet-d2725ba2c0e3eb63
[INFO] [stderr]    Doc-tests telnet
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::escapes_double_iac_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs -  (line 8) ... ignored
[INFO] [stdout] test src/lib.rs - Telnet::connect (line 100) ... ok
[INFO] [stdout] test src/lib.rs - Telnet (line 68) ... ok
[INFO] [stdout] test src/lib.rs - Telnet::read (line 153) ... ok
[INFO] [stdout] test src/lib.rs - Telnet::read_timeout (line 195) ... ok
[INFO] [stdout] test src/lib.rs - Telnet::write (line 290) ... ok
[INFO] [stdout] test src/lib.rs - Telnet::read_nonblocking (line 244) ... ok
[INFO] [stdout] test src/lib.rs - Telnet::subnegotiate (line 341) ... ok
[INFO] [stdout] test src/lib.rs - Telnet::negotiate (line 324) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ee5d1cfa822bc48326a26df9319bf2e0095f0ecf31ebb0fdd1be0115bf87816e"`
[INFO] running `"docker" "rm" "-f" "ee5d1cfa822bc48326a26df9319bf2e0095f0ecf31ebb0fdd1be0115bf87816e"`
[INFO] [stdout] ee5d1cfa822bc48326a26df9319bf2e0095f0ecf31ebb0fdd1be0115bf87816e