[INFO] fetching crate telnet 0.1.4...
[INFO] testing telnet-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate telnet 0.1.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate telnet 0.1.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate telnet 0.1.4
[INFO] finished tweaking crates.io crate telnet 0.1.4
[INFO] tweaked toml for crates.io crate telnet 0.1.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1074633686aa4e10c3539221f8be322c103143896ab5db6e9c72e830e2e6eca6
[INFO] running `Command { std: "docker" "start" "-a" "1074633686aa4e10c3539221f8be322c103143896ab5db6e9c72e830e2e6eca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1074633686aa4e10c3539221f8be322c103143896ab5db6e9c72e830e2e6eca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1074633686aa4e10c3539221f8be322c103143896ab5db6e9c72e830e2e6eca6", kill_on_drop: false }`
[INFO] [stdout] 1074633686aa4e10c3539221f8be322c103143896ab5db6e9c72e830e2e6eca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1736ddc316ea7979a271cfeada3490987ff5ae37f2ce25781890e694ed0146d4
[INFO] running `Command { std: "docker" "start" "-a" "1736ddc316ea7979a271cfeada3490987ff5ae37f2ce25781890e694ed0146d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling telnet v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 | type TStream = stream::Stream;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn stream::Stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "1736ddc316ea7979a271cfeada3490987ff5ae37f2ce25781890e694ed0146d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1736ddc316ea7979a271cfeada3490987ff5ae37f2ce25781890e694ed0146d4", kill_on_drop: false }`
[INFO] [stdout] 1736ddc316ea7979a271cfeada3490987ff5ae37f2ce25781890e694ed0146d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daeb7335e2e486be96cc0461549bbc18f42579de60de4a0bb7c8b8aedb10aa35
[INFO] running `Command { std: "docker" "start" "-a" "daeb7335e2e486be96cc0461549bbc18f42579de60de4a0bb7c8b8aedb10aa35", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 | type TStream = stream::Stream;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn stream::Stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling telnet v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 | type TStream = stream::Stream;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn stream::Stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "daeb7335e2e486be96cc0461549bbc18f42579de60de4a0bb7c8b8aedb10aa35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daeb7335e2e486be96cc0461549bbc18f42579de60de4a0bb7c8b8aedb10aa35", kill_on_drop: false }`
[INFO] [stdout] daeb7335e2e486be96cc0461549bbc18f42579de60de4a0bb7c8b8aedb10aa35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 858224425f45b9d68e9057e6b491e249da7c4bc0e67e61661ace7428ff9b0784
[INFO] running `Command { std: "docker" "start" "-a" "858224425f45b9d68e9057e6b491e249da7c4bc0e67e61661ace7428ff9b0784", kill_on_drop: false }`
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `telnet` (lib) generated 1 warning
[INFO] [stderr] warning: `telnet` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/telnet-84dbc2ab2d46eb9a)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests telnet
[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::negotiate (line 324) ... ok
[INFO] [stdout] test src/lib.rs - Telnet::read_nonblocking (line 244) ... 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 (line 68) ... ok
[INFO] [stdout] test src/lib.rs - Telnet::subnegotiate (line 341) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "858224425f45b9d68e9057e6b491e249da7c4bc0e67e61661ace7428ff9b0784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858224425f45b9d68e9057e6b491e249da7c4bc0e67e61661ace7428ff9b0784", kill_on_drop: false }`
[INFO] [stdout] 858224425f45b9d68e9057e6b491e249da7c4bc0e67e61661ace7428ff9b0784