[INFO] cloning repository https://github.com/stillinbeta/kitten
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stillinbeta/kitten" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstillinbeta%2Fkitten", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstillinbeta%2Fkitten'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 620793b3e9d99def99de60404d00bcb84b1df270
[INFO] testing stillinbeta/kitten against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstillinbeta%2Fkitten" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stillinbeta/kitten on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stillinbeta/kitten
[INFO] finished tweaking git repo https://github.com/stillinbeta/kitten
[INFO] tweaked toml for git repo https://github.com/stillinbeta/kitten written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/stillinbeta/kitten already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfa84311e1c11dcd2b84c0446d123a97e097620e38b83f01fe3a98fddfe02278
[INFO] running `Command { std: "docker" "start" "-a" "dfa84311e1c11dcd2b84c0446d123a97e097620e38b83f01fe3a98fddfe02278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfa84311e1c11dcd2b84c0446d123a97e097620e38b83f01fe3a98fddfe02278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa84311e1c11dcd2b84c0446d123a97e097620e38b83f01fe3a98fddfe02278", kill_on_drop: false }`
[INFO] [stdout] dfa84311e1c11dcd2b84c0446d123a97e097620e38b83f01fe3a98fddfe02278
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb5e5fae1a4349c2f8e99aeaa9c4229bdb02444b34dbd344bb099d5ed1bdfb21
[INFO] running `Command { std: "docker" "start" "-a" "eb5e5fae1a4349c2f8e99aeaa9c4229bdb02444b34dbd344bb099d5ed1bdfb21", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kitten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn run(cfg: Config) -> Result<(), Box<Error>> {
[INFO] [stdout]   |                                               ^^^^^
[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] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 -     pub fn run(cfg: Config) -> Result<(), Box<Error>> {
[INFO] [stdout] 8 +     pub fn run(cfg: Config) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "eb5e5fae1a4349c2f8e99aeaa9c4229bdb02444b34dbd344bb099d5ed1bdfb21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5e5fae1a4349c2f8e99aeaa9c4229bdb02444b34dbd344bb099d5ed1bdfb21", kill_on_drop: false }`
[INFO] [stdout] eb5e5fae1a4349c2f8e99aeaa9c4229bdb02444b34dbd344bb099d5ed1bdfb21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e27b7ee2f734e555d5e23a215875d3cec6b2e1b00ad3f6a900b65b190ec32982
[INFO] running `Command { std: "docker" "start" "-a" "e27b7ee2f734e555d5e23a215875d3cec6b2e1b00ad3f6a900b65b190ec32982", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn run(cfg: Config) -> Result<(), Box<Error>> {
[INFO] [stdout]   |                                               ^^^^^
[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] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 -     pub fn run(cfg: Config) -> Result<(), Box<Error>> {
[INFO] [stdout] 8 +     pub fn run(cfg: Config) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kitten v0.1.0 (/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:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn run(cfg: Config) -> Result<(), Box<Error>> {
[INFO] [stdout]   |                                               ^^^^^
[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] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 -     pub fn run(cfg: Config) -> Result<(), Box<Error>> {
[INFO] [stdout] 8 +     pub fn run(cfg: Config) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "e27b7ee2f734e555d5e23a215875d3cec6b2e1b00ad3f6a900b65b190ec32982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27b7ee2f734e555d5e23a215875d3cec6b2e1b00ad3f6a900b65b190ec32982", kill_on_drop: false }`
[INFO] [stdout] e27b7ee2f734e555d5e23a215875d3cec6b2e1b00ad3f6a900b65b190ec32982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 903aaeba0e28a12c1b971d61285340dd9c4fe667baf37c4ff69b3edf9aa9e88e
[INFO] running `Command { std: "docker" "start" "-a" "903aaeba0e28a12c1b971d61285340dd9c4fe667baf37c4ff69b3edf9aa9e88e", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:8:47
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn run(cfg: Config) -> Result<(), Box<Error>> {
[INFO] [stderr]   |                                               ^^^^^
[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] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 8 -     pub fn run(cfg: Config) -> Result<(), Box<Error>> {
[INFO] [stderr] 8 +     pub fn run(cfg: Config) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: `kitten` (lib) generated 1 warning
[INFO] [stderr] warning: `kitten` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kitten-fdaefda8e9be0bc5)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::unnumbered_lines ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kitten-99f2b68850dabfd6)
[INFO] [stdout] test test::number_lines ... ok
[INFO] [stderr]    Doc-tests kitten
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - kinds::Config::new (line 57) ... ok
[INFO] [stdout] test src/lib.rs - exec::maybe_number (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "903aaeba0e28a12c1b971d61285340dd9c4fe667baf37c4ff69b3edf9aa9e88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903aaeba0e28a12c1b971d61285340dd9c4fe667baf37c4ff69b3edf9aa9e88e", kill_on_drop: false }`
[INFO] [stdout] 903aaeba0e28a12c1b971d61285340dd9c4fe667baf37c4ff69b3edf9aa9e88e