[INFO] cloning repository https://github.com/dreamersdw/cello
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dreamersdw/cello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdreamersdw%2Fcello", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdreamersdw%2Fcello'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e47aeb695d514200f8d4eb61015f686578b24ed
[INFO] testing dreamersdw/cello against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdreamersdw%2Fcello" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dreamersdw/cello on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dreamersdw/cello
[INFO] finished tweaking git repo https://github.com/dreamersdw/cello
[INFO] tweaked toml for git repo https://github.com/dreamersdw/cello written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dreamersdw/cello already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f455ee03c7b839d4e56899216edf61ed453e0e14c760d325eae3ace05992a0a5
[INFO] running `Command { std: "docker" "start" "-a" "f455ee03c7b839d4e56899216edf61ed453e0e14c760d325eae3ace05992a0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f455ee03c7b839d4e56899216edf61ed453e0e14c760d325eae3ace05992a0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f455ee03c7b839d4e56899216edf61ed453e0e14c760d325eae3ace05992a0a5", kill_on_drop: false }`
[INFO] [stdout] f455ee03c7b839d4e56899216edf61ed453e0e14c760d325eae3ace05992a0a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84144cb2ccb9a04d51cc8a9cf6a2b44b96a9110116507568bcf623336cfb727b
[INFO] running `Command { std: "docker" "start" "-a" "84144cb2ccb9a04d51cc8a9cf6a2b44b96a9110116507568bcf623336cfb727b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling cello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/rrd.rs:549:27
[INFO] [stdout]     |
[INFO] [stdout] 549 |     let mut val: T = mem::uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rrd.rs:306:16
[INFO] [stdout]     |
[INFO] [stdout] 306 |     timer: Box<Timer>,
[INFO] [stdout]     |                ^^^^^
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 306 |     timer: Box<dyn Timer>,
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rrd.rs:257:32
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rrd.rs:586:26
[INFO] [stdout]     |
[INFO] [stdout] 586 | fn with_setup<F>(setup: &Fn()->(), teardown: &Fn()->(), test: F)
[INFO] [stdout]     |                          ^^^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 586 | fn with_setup<F>(setup: &dyn Fn()->(), teardown: &Fn()->(), test: F)
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rrd.rs:586:47
[INFO] [stdout]     |
[INFO] [stdout] 586 | fn with_setup<F>(setup: &Fn()->(), teardown: &Fn()->(), test: F)
[INFO] [stdout]     |                                               ^^^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 586 | fn with_setup<F>(setup: &Fn()->(), teardown: &dyn Fn()->(), test: F)
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/rrd.rs:252:42
[INFO] [stdout]     |
[INFO] [stdout] 252 |             RRDError::Io(ref err) => err.description(),
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "84144cb2ccb9a04d51cc8a9cf6a2b44b96a9110116507568bcf623336cfb727b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84144cb2ccb9a04d51cc8a9cf6a2b44b96a9110116507568bcf623336cfb727b", kill_on_drop: false }`
[INFO] [stdout] 84144cb2ccb9a04d51cc8a9cf6a2b44b96a9110116507568bcf623336cfb727b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a5b0fd68370abcdfe793faa3074ddf44c6adbd634d5cff9b9334f3381fc37d6
[INFO] running `Command { std: "docker" "start" "-a" "8a5b0fd68370abcdfe793faa3074ddf44c6adbd634d5cff9b9334f3381fc37d6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling cello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/rrd.rs:549:27
[INFO] [stdout]     |
[INFO] [stdout] 549 |     let mut val: T = mem::uninitialized();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rrd.rs:306:16
[INFO] [stdout]     |
[INFO] [stdout] 306 |     timer: Box<Timer>,
[INFO] [stdout]     |                ^^^^^
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 306 |     timer: Box<dyn Timer>,
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rrd.rs:257:32
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rrd.rs:586:26
[INFO] [stdout]     |
[INFO] [stdout] 586 | fn with_setup<F>(setup: &Fn()->(), teardown: &Fn()->(), test: F)
[INFO] [stdout]     |                          ^^^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 586 | fn with_setup<F>(setup: &dyn Fn()->(), teardown: &Fn()->(), test: F)
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rrd.rs:586:47
[INFO] [stdout]     |
[INFO] [stdout] 586 | fn with_setup<F>(setup: &Fn()->(), teardown: &Fn()->(), test: F)
[INFO] [stdout]     |                                               ^^^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 586 | fn with_setup<F>(setup: &Fn()->(), teardown: &dyn Fn()->(), test: F)
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/rrd.rs:252:42
[INFO] [stdout]     |
[INFO] [stdout] 252 |             RRDError::Io(ref err) => err.description(),
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "8a5b0fd68370abcdfe793faa3074ddf44c6adbd634d5cff9b9334f3381fc37d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5b0fd68370abcdfe793faa3074ddf44c6adbd634d5cff9b9334f3381fc37d6", kill_on_drop: false }`
[INFO] [stdout] 8a5b0fd68370abcdfe793faa3074ddf44c6adbd634d5cff9b9334f3381fc37d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bad89b2300efdfdfa624ce82fed58aa9f073c48a5f9741b29c0be52d3ebc8af0
[INFO] running `Command { std: "docker" "start" "-a" "bad89b2300efdfdfa624ce82fed58aa9f073c48a5f9741b29c0be52d3ebc8af0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/rrd.rs:549:27
[INFO] [stderr]     |
[INFO] [stderr] 549 |     let mut val: T = mem::uninitialized();
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rrd.rs:306:16
[INFO] [stderr]     |
[INFO] [stderr] 306 |     timer: Box<Timer>,
[INFO] [stderr]     |                ^^^^^
[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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 306 |     timer: Box<dyn Timer>,
[INFO] [stderr]     |                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rrd.rs:257:32
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rrd.rs:586:26
[INFO] [stderr]     |
[INFO] [stderr] 586 | fn with_setup<F>(setup: &Fn()->(), teardown: &Fn()->(), test: F)
[INFO] [stderr]     |                          ^^^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 586 | fn with_setup<F>(setup: &dyn Fn()->(), teardown: &Fn()->(), test: F)
[INFO] [stderr]     |                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rrd.rs:586:47
[INFO] [stderr]     |
[INFO] [stderr] 586 | fn with_setup<F>(setup: &Fn()->(), teardown: &Fn()->(), test: F)
[INFO] [stderr]     |                                               ^^^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 586 | fn with_setup<F>(setup: &Fn()->(), teardown: &dyn Fn()->(), test: F)
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/rrd.rs:252:42
[INFO] [stderr]     |
[INFO] [stderr] 252 |             RRDError::Io(ref err) => err.description(),
[INFO] [stderr]     |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cello` (bin "cello" test) generated 6 warnings (run `cargo fix --bin "cello" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cello-f854e10d6b7aa00a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] thread 'rrd::test_add_point' panicked at core/src/panicking.rs:221:5:
[INFO] [stderr] unsafe precondition(s) violated: ptr::copy_nonoverlapping requires that both pointer arguments are aligned and non-null and the specified memory ranges do not overlap
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x579b90f8468a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]    1:     0x579b90f8468a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x579b90f8468a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x579b90f8468a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x579b90faa0c3 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]    5:     0x579b90faa0c3 - core::fmt::write::h7550c97b06c86515
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stderr]    6:     0x579b90f81973 - std::io::Write::write_fmt::h7b09c64fe0be9c84
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stderr]    7:     0x579b90f844d2 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    8:     0x579b90f85aea - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stderr]    9:     0x579b90f85930 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:295:9
[INFO] [stderr]   10:     0x579b90f50f59 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stderr]   11:     0x579b90f50f59 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stderr]   12:     0x579b90f86188 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stderr]   13:     0x579b90f86188 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stderr]   14:     0x579b90f85f16 - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:667:13
[INFO] [stderr]   15:     0x579b90f84b69 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]   16:     0x579b90f85bdc - rust_begin_unwind
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stderr]   17:     0x579b90f08b4d - core::panicking::panic_nounwind_fmt::runtime::h1f507a806003dfb2
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:112:18
[INFO] [stderr]   18:     0x579b90f08b4d - core::panicking::panic_nounwind_fmt::h357fc035dc231634
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:122:5
[INFO] [stderr]   19:     0x579b90f08be2 - core::panicking::panic_nounwind::hd0dad372654c389a
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:221:5
[INFO] [stderr]   20:     0x579b90f0ae90 - core::intrinsics::copy_nonoverlapping::precondition_check::h5ef7a91b8d0c7d30
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ub_checks.rs:70:21
[INFO] [stderr]   21:     0x579b90f12f91 - core::intrinsics::copy_nonoverlapping::h078411a0d107173a
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ub_checks.rs:77:17
[INFO] [stderr]   22:     0x579b90f12f91 - alloc::vec::Vec<T,A>::append_elements::hc43b4d30ece2ad8c
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/vec/mod.rs:2555:18
[INFO] [stderr]   23:     0x579b90f12c83 - <alloc::vec::Vec<T,A> as alloc::vec::spec_extend::SpecExtend<&T,core::slice::iter::Iter<T>>>::spec_extend::hda8b11b927dd96a3
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/vec/spec_extend.rs:55:18
[INFO] [stderr]   24:     0x579b90f133a5 - alloc::vec::Vec<T,A>::extend_from_slice::hf21b18ddbdb473a3
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/vec/mod.rs:3008:9
[INFO] [stderr]   25:     0x579b90f14dca - cello::rrd::ArchiveInfo::read_range::hbad34644ca150b6b
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rrd.rs:170:13
[INFO] [stderr]   26:     0x579b90f1603a - cello::rrd::RRD::find_neighbours::h16915b739756339a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rrd.rs:398:9
[INFO] [stderr]   27:     0x579b90f16709 - cello::rrd::RRD::add_point::h1d354f59beef9189
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rrd.rs:441:30
[INFO] [stderr]   28:     0x579b90f18beb - cello::rrd::test_add_point::{{closure}}::ha516f6187059fedc
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rrd.rs:611:26
[INFO] [stderr]   29:     0x579b90f1819e - cello::rrd::with_setup::{{closure}}::hce755b82e44be466
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rrd.rs:591:9
[INFO] [stderr]   30:     0x579b90f0f36c - std::panicking::try::do_call::hbc677171bd8b1aa0
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stderr]   31:     0x579b90f125db - __rust_try
[INFO] [stderr]   32:     0x579b90f0f306 - std::panicking::try::h416da590e74c5ad7
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stderr]   33:     0x579b90f0f306 - std::panic::catch_unwind::h157c9c851d6906f6
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stderr]   34:     0x579b90f18096 - cello::rrd::with_setup::h1fa82d09e017cb10
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rrd.rs:590:18
[INFO] [stderr]   35:     0x579b90f1847c - cello::rrd::test_add_point::h1a54a255b92f7b93
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rrd.rs:601:5
[INFO] [stderr]   36:     0x579b90f18447 - cello::rrd::test_add_point::{{closure}}::he155030f9ddd7274
[INFO] [stderr]                                at /opt/rustwide/workdir/src/rrd.rs:600:20
[INFO] [stderr]   37:     0x579b90f0b356 - core::ops::function::FnOnce::call_once::hccb2350c84a8e353
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   38:     0x579b90f5591b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   39:     0x579b90f5591b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stderr]   40:     0x579b90f55157 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stderr]   41:     0x579b90f55157 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   42:     0x579b90f55157 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stderr]   43:     0x579b90f55157 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stderr]   44:     0x579b90f55157 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stderr]   45:     0x579b90f55157 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stderr]   46:     0x579b90f55157 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stderr]   47:     0x579b90f1a434 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stderr]   48:     0x579b90f1a434 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stderr]   49:     0x579b90f1dafe - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stderr]   50:     0x579b90f1dafe - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   51:     0x579b90f1dafe - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stderr]   52:     0x579b90f1dafe - std::panicking::try::h8ddeca9d705f9069
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stderr]   53:     0x579b90f1dafe - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stderr]   54:     0x579b90f1dafe - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stderr]   55:     0x579b90f1dafe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   56:     0x579b90f8a0cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stderr]   57:     0x579b90f8a0cb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stderr]   58:     0x579b90f8a0cb - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stderr]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stderr]   59:     0x7eab46a5cac3 - <unknown>
[INFO] [stderr]   60:     0x7eab46aeda04 - clone
[INFO] [stderr]   61:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--bin cello`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/cello-f854e10d6b7aa00a` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "bad89b2300efdfdfa624ce82fed58aa9f073c48a5f9741b29c0be52d3ebc8af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad89b2300efdfdfa624ce82fed58aa9f073c48a5f9741b29c0be52d3ebc8af0", kill_on_drop: false }`
[INFO] [stdout] bad89b2300efdfdfa624ce82fed58aa9f073c48a5f9741b29c0be52d3ebc8af0
