[INFO] fetching crate badder_lang 0.1.0...
[INFO] building badder_lang-0.1.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate badder_lang 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate badder_lang 0.1.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate badder_lang 0.1.0
[INFO] finished tweaking crates.io crate badder_lang 0.1.0
[INFO] tweaked toml for crates.io crate badder_lang 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded single_value_channel v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f156287b0a59a46f5ecfbd1ee71da02d52854284322f09b14b9c0237d4d4b7d5
[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" "f156287b0a59a46f5ecfbd1ee71da02d52854284322f09b14b9c0237d4d4b7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f156287b0a59a46f5ecfbd1ee71da02d52854284322f09b14b9c0237d4d4b7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f156287b0a59a46f5ecfbd1ee71da02d52854284322f09b14b9c0237d4d4b7d5", kill_on_drop: false }`
[INFO] [stdout] f156287b0a59a46f5ecfbd1ee71da02d52854284322f09b14b9c0237d4d4b7d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1034caf2371a69bce3c3d0e9efe3db43641df423fde77452ac174655e9a8ceec
[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" "1034caf2371a69bce3c3d0e9efe3db43641df423fde77452ac174655e9a8ceec", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling smol_str v0.1.17
[INFO] [stderr]    Compiling single_value_channel v1.2.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling badder_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1092:32
[INFO] [stdout]      |
[INFO] [stdout] 1092 |             Err(err) => panic!(err),
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1092 |             Err(err) => panic!("{}", err),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1092 |             Err(err) => std::panic::panic_any(err),
[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 5.27s
[INFO] running `Command { std: "docker" "inspect" "1034caf2371a69bce3c3d0e9efe3db43641df423fde77452ac174655e9a8ceec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1034caf2371a69bce3c3d0e9efe3db43641df423fde77452ac174655e9a8ceec", kill_on_drop: false }`
[INFO] [stdout] 1034caf2371a69bce3c3d0e9efe3db43641df423fde77452ac174655e9a8ceec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3e2ffe5c7921a3830ad8b4cd911160bed7c628ea22114ceea7d8e1f871d921d
[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" "e3e2ffe5c7921a3830ad8b4cd911160bed7c628ea22114ceea7d8e1f871d921d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1092:32
[INFO] [stdout]      |
[INFO] [stdout] 1092 |             Err(err) => panic!(err),
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1092 |             Err(err) => panic!("{}", err),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1092 |             Err(err) => std::panic::panic_any(err),
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling badder_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1092:32
[INFO] [stdout]      |
[INFO] [stdout] 1092 |             Err(err) => panic!(err),
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]      |
[INFO] [stdout] 1092 |             Err(err) => panic!("{}", err),
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]      |
[INFO] [stdout] 1092 |             Err(err) => std::panic::panic_any(err),
[INFO] [stdout]      |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1181:31
[INFO] [stdout]      |
[INFO] [stdout] 1181 |         assert!(out.is_err(), format!("Unexpected {:?}", out));
[INFO] [stdout]      |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[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] 1181 |         assert!(out.is_err(), "Unexpected {:?}", out);
[INFO] [stdout]      |                              --                    --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1231:21
[INFO] [stdout]      |
[INFO] [stdout] 1231 |                       format!("Substring:`{}` not in error: `{:?}`", $sub, err));
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1322 | /         assert_program!("fun rec()";
[INFO] [stdout] 1323 | |                         "    rec()";
[INFO] [stdout] 1324 | |                         "rec()" =>X "stack overflow"; src = SourceRef((2,5), (2,10)));
[INFO] [stdout]      | |______________________________________________________________________________________- in this macro invocation
[INFO] [stdout]      |
[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]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1231 |                     "Substring:`{}` not in error: `{:?}`", $sub, err);
[INFO] [stdout]      |                    --                                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1231:21
[INFO] [stdout]      |
[INFO] [stdout] 1231 |                       format!("Substring:`{}` not in error: `{:?}`", $sub, err));
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1765 | /         assert_program!("if 1";
[INFO] [stdout] 1766 | |                         "    var x = 234";
[INFO] [stdout] 1767 | |                         "x" =>X "x", "scope"; src = SourceRef((3,1), (3,2)));
[INFO] [stdout]      | |_____________________________________________________________________________- in this macro invocation
[INFO] [stdout]      |
[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]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1231 |                     "Substring:`{}` not in error: `{:?}`", $sub, err);
[INFO] [stdout]      |                    --                                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1231:21
[INFO] [stdout]      |
[INFO] [stdout] 1231 |                       format!("Substring:`{}` not in error: `{:?}`", $sub, err));
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1796 | /         assert_program!("var x = 200";
[INFO] [stdout] 1797 | |                         "if x is not 0";
[INFO] [stdout] 1798 | |                         "   x -= 1"; // dodgy indent
[INFO] [stdout] 1799 | |                         "    x += 1";
[INFO] [stdout] 1800 | |                         "x" =>X "indent"; src = SourceRef((3,1), (3,4)));
[INFO] [stdout]      | |_________________________________________________________________________- in this macro invocation
[INFO] [stdout]      |
[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]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1231 |                     "Substring:`{}` not in error: `{:?}`", $sub, err);
[INFO] [stdout]      |                    --                                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1231:21
[INFO] [stdout]      |
[INFO] [stdout] 1231 |                     format!("Substring:`{}` not in error: `{:?}`", $sub, err));
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1894 |         assert_program!("b = 1" =>X "`b`", "not found"; src = SourceRef((1,1), (1,6)));
[INFO] [stdout]      |         ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[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]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1231 |                     "Substring:`{}` not in error: `{:?}`", $sub, err);
[INFO] [stdout]      |                    --                                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1218:21
[INFO] [stdout]      |
[INFO] [stdout] 1218 |                     format!("Substring:`{}` not in error: `{:?}`", $sub, err));
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1952 |         assert_program!("2 is 2 is 1" =>X "is");
[INFO] [stdout]      |         ---------------------------------------- in this macro invocation
[INFO] [stdout]      |
[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]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1218 |                     "Substring:`{}` not in error: `{:?}`", $sub, err);
[INFO] [stdout]      |                    --                                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1218:21
[INFO] [stdout]      |
[INFO] [stdout] 1218 |                     format!("Substring:`{}` not in error: `{:?}`", $sub, err));
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1953 |         assert_program!("2 > 2 < 1" =>X "<");
[INFO] [stdout]      |         ------------------------------------- in this macro invocation
[INFO] [stdout]      |
[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]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1218 |                     "Substring:`{}` not in error: `{:?}`", $sub, err);
[INFO] [stdout]      |                    --                                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1218:21
[INFO] [stdout]      |
[INFO] [stdout] 1218 |                     format!("Substring:`{}` not in error: `{:?}`", $sub, err));
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1954 |         assert_program!("2 > 2 is 0" =>X "is");
[INFO] [stdout]      |         --------------------------------------- in this macro invocation
[INFO] [stdout]      |
[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]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1218 |                     "Substring:`{}` not in error: `{:?}`", $sub, err);
[INFO] [stdout]      |                    --                                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1218:21
[INFO] [stdout]      |
[INFO] [stdout] 1218 |                     format!("Substring:`{}` not in error: `{:?}`", $sub, err));
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2022 |         assert_program!("--235" =>X "-");
[INFO] [stdout]      |         --------------------------------- in this macro invocation
[INFO] [stdout]      |
[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]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1218 |                     "Substring:`{}` not in error: `{:?}`", $sub, err);
[INFO] [stdout]      |                    --                                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/lib.rs:1218:21
[INFO] [stdout]      |
[INFO] [stdout] 1218 |                     format!("Substring:`{}` not in error: `{:?}`", $sub, err));
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 2087 |         assert_program!("1/0" =>X "divide by zero");
[INFO] [stdout]      |         -------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[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]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 1218 |                     "Substring:`{}` not in error: `{:?}`", $sub, err);
[INFO] [stdout]      |                    --                                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.73s
[INFO] running `Command { std: "docker" "inspect" "e3e2ffe5c7921a3830ad8b4cd911160bed7c628ea22114ceea7d8e1f871d921d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e2ffe5c7921a3830ad8b4cd911160bed7c628ea22114ceea7d8e1f871d921d", kill_on_drop: false }`
[INFO] [stdout] e3e2ffe5c7921a3830ad8b4cd911160bed7c628ea22114ceea7d8e1f871d921d
