[INFO] fetching crate oprec 0.1.0...
[INFO] testing oprec-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate oprec 0.1.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate oprec 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oprec 0.1.0
[INFO] finished tweaking crates.io crate oprec 0.1.0
[INFO] tweaked toml for crates.io crate oprec 0.1.0 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63ec376de50e07ad5df94277b3b9a7944783d87929594430c2ee27a9e8e31aaf
[INFO] running `Command { std: "docker" "start" "-a" "63ec376de50e07ad5df94277b3b9a7944783d87929594430c2ee27a9e8e31aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63ec376de50e07ad5df94277b3b9a7944783d87929594430c2ee27a9e8e31aaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ec376de50e07ad5df94277b3b9a7944783d87929594430c2ee27a9e8e31aaf", kill_on_drop: false }`
[INFO] [stdout] 63ec376de50e07ad5df94277b3b9a7944783d87929594430c2ee27a9e8e31aaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5bc57954ddbf59c6a5f4a1b1cdb5d5f445ed9fd521fc2e0e777a7e4bbab61f1
[INFO] running `Command { std: "docker" "start" "-a" "b5bc57954ddbf59c6a5f4a1b1cdb5d5f445ed9fd521fc2e0e777a7e4bbab61f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling oprec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:340:63
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[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] 340 - fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout] 340 + fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:352:59
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> f64> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 352 - fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout] 352 + fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:240:34
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn functify(self) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 -     pub fn functify(self) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout] 240 +     pub fn functify(self) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:69:55
[INFO] [stdout]     |
[INFO] [stdout] 69  |               fn is_oprec_method(g: &Ops) -> Result<Box<Fn(f64) -> f64>, Ops> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 | / impl_oprec_method!(
[INFO] [stdout] 332 | |     (sin, Sin), (cos, Cos), (tan, Tan), 
[INFO] [stdout] 333 | |     (asin, Asin), (acos, Acos), (atan, Atan),
[INFO] [stdout] 334 | |     (sinh, Sinh), (cosh, Cosh), (tanh, Tanh),
[INFO] [stdout] ...   |
[INFO] [stdout] 337 | |     (exp, Exp), (ln, Ln), (abs, Abs)
[INFO] [stdout] 338 | | );
[INFO] [stdout]     | |_- in this macro invocation
[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: this warning originates in the macro `impl_oprec_method_intermediate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 69  -             fn is_oprec_method(g: &Ops) -> Result<Box<Fn(f64) -> f64>, Ops> {
[INFO] [stdout] 69  +             fn is_oprec_method(g: &Ops) -> Result<Box<dyn Fn(f64) -> f64>, Ops> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `Command { std: "docker" "inspect" "b5bc57954ddbf59c6a5f4a1b1cdb5d5f445ed9fd521fc2e0e777a7e4bbab61f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5bc57954ddbf59c6a5f4a1b1cdb5d5f445ed9fd521fc2e0e777a7e4bbab61f1", kill_on_drop: false }`
[INFO] [stdout] b5bc57954ddbf59c6a5f4a1b1cdb5d5f445ed9fd521fc2e0e777a7e4bbab61f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 871bd3c28338ba68d642d8ddfa1bcaa35493d6e7f9961b97ea1ae62a3552566b
[INFO] running `Command { std: "docker" "start" "-a" "871bd3c28338ba68d642d8ddfa1bcaa35493d6e7f9961b97ea1ae62a3552566b", kill_on_drop: false }`
[INFO] [stderr]    Compiling oprec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:340:63
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[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] 340 - fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout] 340 + fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:352:59
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> f64> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 352 - fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout] 352 + fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:240:34
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn functify(self) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 -     pub fn functify(self) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout] 240 +     pub fn functify(self) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:69:55
[INFO] [stdout]     |
[INFO] [stdout] 69  |               fn is_oprec_method(g: &Ops) -> Result<Box<Fn(f64) -> f64>, Ops> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 | / impl_oprec_method!(
[INFO] [stdout] 332 | |     (sin, Sin), (cos, Cos), (tan, Tan), 
[INFO] [stdout] 333 | |     (asin, Asin), (acos, Acos), (atan, Atan),
[INFO] [stdout] 334 | |     (sinh, Sinh), (cosh, Cosh), (tanh, Tanh),
[INFO] [stdout] ...   |
[INFO] [stdout] 337 | |     (exp, Exp), (ln, Ln), (abs, Abs)
[INFO] [stdout] 338 | | );
[INFO] [stdout]     | |_- in this macro invocation
[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: this warning originates in the macro `impl_oprec_method_intermediate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 69  -             fn is_oprec_method(g: &Ops) -> Result<Box<Fn(f64) -> f64>, Ops> {
[INFO] [stdout] 69  +             fn is_oprec_method(g: &Ops) -> Result<Box<dyn Fn(f64) -> f64>, Ops> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:340:63
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[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] 340 - fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout] 340 + fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:352:59
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> f64> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 352 - fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout] 352 + fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:240:34
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn functify(self) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[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: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 240 -     pub fn functify(self) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout] 240 +     pub fn functify(self) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:69:55
[INFO] [stdout]     |
[INFO] [stdout] 69  |               fn is_oprec_method(g: &Ops) -> Result<Box<Fn(f64) -> f64>, Ops> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 331 | / impl_oprec_method!(
[INFO] [stdout] 332 | |     (sin, Sin), (cos, Cos), (tan, Tan), 
[INFO] [stdout] 333 | |     (asin, Asin), (acos, Acos), (atan, Atan),
[INFO] [stdout] 334 | |     (sinh, Sinh), (cosh, Cosh), (tanh, Tanh),
[INFO] [stdout] ...   |
[INFO] [stdout] 337 | |     (exp, Exp), (ln, Ln), (abs, Abs)
[INFO] [stdout] 338 | | );
[INFO] [stdout]     | |_- in this macro invocation
[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: this warning originates in the macro `impl_oprec_method_intermediate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 69  -             fn is_oprec_method(g: &Ops) -> Result<Box<Fn(f64) -> f64>, Ops> {
[INFO] [stdout] 69  +             fn is_oprec_method(g: &Ops) -> Result<Box<dyn Fn(f64) -> f64>, Ops> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "871bd3c28338ba68d642d8ddfa1bcaa35493d6e7f9961b97ea1ae62a3552566b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "871bd3c28338ba68d642d8ddfa1bcaa35493d6e7f9961b97ea1ae62a3552566b", kill_on_drop: false }`
[INFO] [stdout] 871bd3c28338ba68d642d8ddfa1bcaa35493d6e7f9961b97ea1ae62a3552566b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 940d3db687a4cb3a31814bbc9033cfaa812a3ae3d2e5995845e0cdb21f478c7d
[INFO] running `Command { std: "docker" "start" "-a" "940d3db687a4cb3a31814bbc9033cfaa812a3ae3d2e5995845e0cdb21f478c7d", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:340:63
[INFO] [stderr]     |
[INFO] [stderr] 340 | fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[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] 340 - fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stderr] 340 + fn oprec_to_function_check(x: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:352:59
[INFO] [stderr]     |
[INFO] [stderr] 352 | fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> f64> {
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 352 - fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stderr] 352 + fn oprec_to_function(rec: &OpRec, last: NodeIndex) -> Box<dyn Fn(HashMap<u64, f64>) -> f64> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:240:34
[INFO] [stderr]     |
[INFO] [stderr] 240 |     pub fn functify(self) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[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: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 240 -     pub fn functify(self) -> Box<Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stderr] 240 +     pub fn functify(self) -> Box<dyn Fn(HashMap<u64, f64>) -> Result<f64, u64>> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:69:55
[INFO] [stderr]     |
[INFO] [stderr] 69  |               fn is_oprec_method(g: &Ops) -> Result<Box<Fn(f64) -> f64>, Ops> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 331 | / impl_oprec_method!(
[INFO] [stderr] 332 | |     (sin, Sin), (cos, Cos), (tan, Tan), 
[INFO] [stderr] 333 | |     (asin, Asin), (acos, Acos), (atan, Atan),
[INFO] [stderr] 334 | |     (sinh, Sinh), (cosh, Cosh), (tanh, Tanh),
[INFO] [stderr] ...   |
[INFO] [stderr] 337 | |     (exp, Exp), (ln, Ln), (abs, Abs)
[INFO] [stderr] 338 | | );
[INFO] [stderr]     | |_- in this macro invocation
[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: this warning originates in the macro `impl_oprec_method_intermediate` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 69  -             fn is_oprec_method(g: &Ops) -> Result<Box<Fn(f64) -> f64>, Ops> {
[INFO] [stderr] 69  +             fn is_oprec_method(g: &Ops) -> Result<Box<dyn Fn(f64) -> f64>, Ops> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `oprec` (lib) generated 4 warnings
[INFO] [stderr] warning: `oprec` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/oprec-3b6678f2f41353ab)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests oprec
[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 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" "940d3db687a4cb3a31814bbc9033cfaa812a3ae3d2e5995845e0cdb21f478c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940d3db687a4cb3a31814bbc9033cfaa812a3ae3d2e5995845e0cdb21f478c7d", kill_on_drop: false }`
[INFO] [stdout] 940d3db687a4cb3a31814bbc9033cfaa812a3ae3d2e5995845e0cdb21f478c7d