[INFO] fetching crate parrot-snap 0.0.3...
[INFO] testing parrot-snap-0.0.3 against 1.52.1 for beta-1.52-2
[INFO] extracting crate parrot-snap 0.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate parrot-snap 0.0.3 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parrot-snap 0.0.3
[INFO] finished tweaking crates.io crate parrot-snap 0.0.3
[INFO] tweaked toml for crates.io crate parrot-snap 0.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate parrot-snap 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3be3eea66794ba88c13d468456632f83e3e6cb463697d3ed65f03af41b077f62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3be3eea66794ba88c13d468456632f83e3e6cb463697d3ed65f03af41b077f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3be3eea66794ba88c13d468456632f83e3e6cb463697d3ed65f03af41b077f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3be3eea66794ba88c13d468456632f83e3e6cb463697d3ed65f03af41b077f62", kill_on_drop: false }`
[INFO] [stdout] 3be3eea66794ba88c13d468456632f83e3e6cb463697d3ed65f03af41b077f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b873634363a7efcd07fcd05fda16b64c7aedd0f76700036ddaf28169c076e4f8
[INFO] running `Command { std: "docker" "start" "-a" "b873634363a7efcd07fcd05fda16b64c7aedd0f76700036ddaf28169c076e4f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling clap v3.0.0-beta.1
[INFO] [stderr]    Compiling parrot-snap v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.86s
[INFO] running `Command { std: "docker" "inspect" "b873634363a7efcd07fcd05fda16b64c7aedd0f76700036ddaf28169c076e4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b873634363a7efcd07fcd05fda16b64c7aedd0f76700036ddaf28169c076e4f8", kill_on_drop: false }`
[INFO] [stdout] b873634363a7efcd07fcd05fda16b64c7aedd0f76700036ddaf28169c076e4f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad433a760089876e06981126b5538016efedfcdb93f689fff1d82ed4c6c236e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad433a760089876e06981126b5538016efedfcdb93f689fff1d82ed4c6c236e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling parrot-snap v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser.rs:403:20
[INFO] [stdout]     |
[INFO] [stdout] 403 |             panic!(format!("Should have failed matching 'quit', got: {}", i));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 403 |             panic!("Should have failed matching 'quit', got: {}", i);
[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 4.10s
[INFO] running `Command { std: "docker" "inspect" "ad433a760089876e06981126b5538016efedfcdb93f689fff1d82ed4c6c236e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad433a760089876e06981126b5538016efedfcdb93f689fff1d82ed4c6c236e2", kill_on_drop: false }`
[INFO] [stdout] ad433a760089876e06981126b5538016efedfcdb93f689fff1d82ed4c6c236e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a48a234c9c5ca381a94e65d589493b9ed6d7830e5912a2ae5597b07f3b73868
[INFO] running `Command { std: "docker" "start" "-a" "1a48a234c9c5ca381a94e65d589493b9ed6d7830e5912a2ae5597b07f3b73868", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/parser.rs:403:20
[INFO] [stderr]     |
[INFO] [stderr] 403 |             panic!(format!("Should have failed matching 'quit', got: {}", i));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 403 |             panic!("Should have failed matching 'quit', got: {}", i);
[INFO] [stderr]     |                   --                                              --
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parrot-91544eaa04742d52)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test parser::tests::test_command_keyword ... ok
[INFO] [stdout] test parser::tests::test_filter_arg ... ok
[INFO] [stdout] test diff::tests::test_diff ... ok
[INFO] [stdout] test parser::tests::test_no_args_left ... ok
[INFO] [stdout] test parser::tests::test_target ... ok
[INFO] [stdout] test parser::tests::test_command ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1a48a234c9c5ca381a94e65d589493b9ed6d7830e5912a2ae5597b07f3b73868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a48a234c9c5ca381a94e65d589493b9ed6d7830e5912a2ae5597b07f3b73868", kill_on_drop: false }`
[INFO] [stdout] 1a48a234c9c5ca381a94e65d589493b9ed6d7830e5912a2ae5597b07f3b73868