[INFO] fetching crate arg-soup 2.0.0...
[INFO] testing arg-soup-2.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate arg-soup 2.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate arg-soup 2.0.0 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 arg-soup 2.0.0
[INFO] finished tweaking crates.io crate arg-soup 2.0.0
[INFO] tweaked toml for crates.io crate arg-soup 2.0.0 written to /workspace/builds/worker-9/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 8b0fd4ad3c5dcd888ba32a79a75d9b77af817dcc143d0274ec22f3372a8dc9e8
[INFO] running `Command { std: "docker" "start" "-a" "8b0fd4ad3c5dcd888ba32a79a75d9b77af817dcc143d0274ec22f3372a8dc9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b0fd4ad3c5dcd888ba32a79a75d9b77af817dcc143d0274ec22f3372a8dc9e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0fd4ad3c5dcd888ba32a79a75d9b77af817dcc143d0274ec22f3372a8dc9e8", kill_on_drop: false }`
[INFO] [stdout] 8b0fd4ad3c5dcd888ba32a79a75d9b77af817dcc143d0274ec22f3372a8dc9e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 549b5e4768779d07f0845ec50026393e5c973c6630697ff91a27a3541da55961
[INFO] running `Command { std: "docker" "start" "-a" "549b5e4768779d07f0845ec50026393e5c973c6630697ff91a27a3541da55961", kill_on_drop: false }`
[INFO] [stderr]    Compiling arg-soup v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     action: Box<Fn()>,
[INFO] [stdout]    |                 ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:60
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn add_action(&mut self, arg: &'a str, action: Box<Fn()>) {
[INFO] [stdout]    |                                                            ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "549b5e4768779d07f0845ec50026393e5c973c6630697ff91a27a3541da55961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "549b5e4768779d07f0845ec50026393e5c973c6630697ff91a27a3541da55961", kill_on_drop: false }`
[INFO] [stdout] 549b5e4768779d07f0845ec50026393e5c973c6630697ff91a27a3541da55961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 17cb01fd39a92536e23bd1308ef48841adb65a390f1ec4172a93a34bd04c2022
[INFO] running `Command { std: "docker" "start" "-a" "17cb01fd39a92536e23bd1308ef48841adb65a390f1ec4172a93a34bd04c2022", kill_on_drop: false }`
[INFO] [stderr]    Compiling arg-soup v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     action: Box<Fn()>,
[INFO] [stdout]    |                 ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:60
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn add_action(&mut self, arg: &'a str, action: Box<Fn()>) {
[INFO] [stdout]    |                                                            ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     action: Box<Fn()>,
[INFO] [stdout]    |                 ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:39:60
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn add_action(&mut self, arg: &'a str, action: Box<Fn()>) {
[INFO] [stdout]    |                                                            ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "17cb01fd39a92536e23bd1308ef48841adb65a390f1ec4172a93a34bd04c2022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17cb01fd39a92536e23bd1308ef48841adb65a390f1ec4172a93a34bd04c2022", kill_on_drop: false }`
[INFO] [stdout] 17cb01fd39a92536e23bd1308ef48841adb65a390f1ec4172a93a34bd04c2022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] eb40fbb74952929a7ff85c6e8e579f398f399ee4cd1f56062617b82a9cd0b0d4
[INFO] running `Command { std: "docker" "start" "-a" "eb40fbb74952929a7ff85c6e8e579f398f399ee4cd1f56062617b82a9cd0b0d4", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |     action: Box<Fn()>,
[INFO] [stderr]    |                 ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:39:60
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn add_action(&mut self, arg: &'a str, action: Box<Fn()>) {
[INFO] [stderr]    |                                                            ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) 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: `arg-soup` (lib) generated 2 warnings
[INFO] [stderr] warning: `arg-soup` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arg_soup-7155242f225035af)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::get_bool ... ok
[INFO] [stdout] test tests::collect_actions_edge_case_02 ... ok
[INFO] [stdout] test tests::get_bool_2 ... ok
[INFO] [stdout] test tests::collect_flags ... ok
[INFO] [stdout] test tests::get_val ... ok
[INFO] [stdout] test tests::collect_actions ... ok
[INFO] [stdout] test tests::get_val_2 ... ok
[INFO] [stdout] test tests::collect_actions_edge_case_01 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arg-soup
[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] running `Command { std: "docker" "inspect" "eb40fbb74952929a7ff85c6e8e579f398f399ee4cd1f56062617b82a9cd0b0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb40fbb74952929a7ff85c6e8e579f398f399ee4cd1f56062617b82a9cd0b0d4", kill_on_drop: false }`
[INFO] [stdout] eb40fbb74952929a7ff85c6e8e579f398f399ee4cd1f56062617b82a9cd0b0d4