[INFO] fetching crate trompt 0.0.4...
[INFO] testing trompt-0.0.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate trompt 0.0.4 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate trompt 0.0.4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trompt 0.0.4
[INFO] finished tweaking crates.io crate trompt 0.0.4
[INFO] tweaked toml for crates.io crate trompt 0.0.4 written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a992e58f8efed33453b6903b62ce2b8928814f747a44db1863c9014562c5dcc
[INFO] running `Command { std: "docker" "start" "-a" "2a992e58f8efed33453b6903b62ce2b8928814f747a44db1863c9014562c5dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a992e58f8efed33453b6903b62ce2b8928814f747a44db1863c9014562c5dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a992e58f8efed33453b6903b62ce2b8928814f747a44db1863c9014562c5dcc", kill_on_drop: false }`
[INFO] [stdout] 2a992e58f8efed33453b6903b62ce2b8928814f747a44db1863c9014562c5dcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e6814acd85abecae389886c8a5c14985106cdfcffd850e99875b9bf698d35cf
[INFO] running `Command { std: "docker" "start" "-a" "5e6814acd85abecae389886c8a5c14985106cdfcffd850e99875b9bf698d35cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling trompt v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |     validators: Vec<Box<Fn(&str) -> ValidationResult<()>>>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> ValidationResult<()>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:452:31
[INFO] [stdout]     |
[INFO] [stdout] 452 | fn silent() -> io::Result<Box<Fn() -> io::Result<()>>> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "5e6814acd85abecae389886c8a5c14985106cdfcffd850e99875b9bf698d35cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6814acd85abecae389886c8a5c14985106cdfcffd850e99875b9bf698d35cf", kill_on_drop: false }`
[INFO] [stdout] 5e6814acd85abecae389886c8a5c14985106cdfcffd850e99875b9bf698d35cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f8231df092ff01b2f1df342264f2124b688d3530ffc4528836210563fd7b46
[INFO] running `Command { std: "docker" "start" "-a" "b9f8231df092ff01b2f1df342264f2124b688d3530ffc4528836210563fd7b46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling trompt v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |     validators: Vec<Box<Fn(&str) -> ValidationResult<()>>>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> ValidationResult<()>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:452:31
[INFO] [stdout]     |
[INFO] [stdout] 452 | fn silent() -> io::Result<Box<Fn() -> io::Result<()>>> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:144:25
[INFO] [stdout]     |
[INFO] [stdout] 144 |     validators: Vec<Box<Fn(&str) -> ValidationResult<()>>>,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> ValidationResult<()>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:470:31
[INFO] [stdout]     |
[INFO] [stdout] 470 | fn silent() -> io::Result<Box<Fn() -> io::Result<()>>> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:573:10
[INFO] [stdout]     |
[INFO] [stdout] 573 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "b9f8231df092ff01b2f1df342264f2124b688d3530ffc4528836210563fd7b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f8231df092ff01b2f1df342264f2124b688d3530ffc4528836210563fd7b46", kill_on_drop: false }`
[INFO] [stdout] b9f8231df092ff01b2f1df342264f2124b688d3530ffc4528836210563fd7b46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69605d38e16a0eb40c4dc61e1141f22b48e9d487748eed45c19184a94e7e6f2e
[INFO] running `Command { std: "docker" "start" "-a" "69605d38e16a0eb40c4dc61e1141f22b48e9d487748eed45c19184a94e7e6f2e", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:144:25
[INFO] [stderr]     |
[INFO] [stderr] 144 |     validators: Vec<Box<Fn(&str) -> ValidationResult<()>>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> ValidationResult<()>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:452:31
[INFO] [stderr]     |
[INFO] [stderr] 452 | fn silent() -> io::Result<Box<Fn() -> io::Result<()>>> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>`
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `trompt` (lib) generated 2 warnings
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:470:31
[INFO] [stderr]     |
[INFO] [stderr] 470 | fn silent() -> io::Result<Box<Fn() -> io::Result<()>>> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> io::Result<()>`
[INFO] [stderr]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/lib.rs:573:10
[INFO] [stderr]     |
[INFO] [stderr] 573 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `trompt` (lib test) generated 3 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trompt-b9917e0ffb3de403)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::confirm ... ok
[INFO] [stdout] test tests::confirm_case_insensitive ... ok
[INFO] [stdout] test tests::defaults ... ok
[INFO] [stdout] test tests::max_len ... ok
[INFO] [stdout] test tests::message ... ok
[INFO] [stdout] test tests::min_len ... ok
[INFO] [stdout] test tests::prompt ... ok
[INFO] [stdout] test tests::prompt_with_silent ... ok
[INFO] [stdout] test tests::required ... ok
[INFO] [stdout] test tests::send_collects_a_line ... ok
[INFO] [stdout] test tests::send_collects_from_input ... ok
[INFO] [stdout] test tests::send_collects_until_eof ... ok
[INFO] [stdout] test tests::send_message_to_output ... ok
[INFO] [stdout] test tests::silent ... ok
[INFO] [stdout] test tests::validate_can_be_called_more_than_once ... ok
[INFO] [stdout] test tests::validate_pushes_to_validators ... ok
[INFO] [stdout] test tests::validate_validates_response ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trompt
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Trompt (line 135) - compile ... ok
[INFO] [stdout] test src/lib.rs - Trompt<R, W>::message (line 175) - compile ... ok
[INFO] [stdout] test src/lib.rs - Trompt<R, W>::new (line 152) - compile ... ok
[INFO] [stdout] test src/lib.rs - Trompt (line 127) - compile ... ok
[INFO] [stdout] test src/lib.rs - Trompt<R, W>::silent (line 190) - compile ... ok
[INFO] [stdout] test src/lib.rs - Trompt<std::io::Stdin, std::io::Stderr>::stderr (line 440) - compile ... ok
[INFO] [stdout] test src/lib.rs - Trompt<std::io::Stdin, std::io::Stdout>::stdout (line 425) - compile ... ok
[INFO] [stdout] test src/lib.rs - Trompt<R, W>::required (line 305) ... ok
[INFO] [stdout] test src/lib.rs - Trompt<R, W>::min_len (line 277) ... ok
[INFO] [stdout] test src/lib.rs - Trompt<R, W>::send (line 336) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - Trompt<R, W>::prompt (line 380) ... ok
[INFO] [stdout] test src/lib.rs - Trompt<R, W>::max_len (line 248) ... ok
[INFO] [stdout] test src/lib.rs - Trompt<R, W>::validate (line 206) ... ok
[INFO] [stdout] test src/lib.rs - Trompt<R, W>::confirm (line 401) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69605d38e16a0eb40c4dc61e1141f22b48e9d487748eed45c19184a94e7e6f2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69605d38e16a0eb40c4dc61e1141f22b48e9d487748eed45c19184a94e7e6f2e", kill_on_drop: false }`
[INFO] [stdout] 69605d38e16a0eb40c4dc61e1141f22b48e9d487748eed45c19184a94e7e6f2e