[INFO] fetching crate mktemp-rs 0.2.0...
[INFO] checking mktemp-rs-0.2.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate mktemp-rs 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mktemp-rs 0.2.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mktemp-rs 0.2.0
[INFO] finished tweaking crates.io crate mktemp-rs 0.2.0
[INFO] tweaked toml for crates.io crate mktemp-rs 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cffe9a551ba502f610e62d29804edb0cd5899339f805ec8b0c836a3a11e92779
[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" "cffe9a551ba502f610e62d29804edb0cd5899339f805ec8b0c836a3a11e92779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cffe9a551ba502f610e62d29804edb0cd5899339f805ec8b0c836a3a11e92779", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cffe9a551ba502f610e62d29804edb0cd5899339f805ec8b0c836a3a11e92779", kill_on_drop: false }`
[INFO] [stdout] cffe9a551ba502f610e62d29804edb0cd5899339f805ec8b0c836a3a11e92779
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71b2ff60347c35f0397d81dc0581e70047102353191db884d457e2fa07a34e4f
[INFO] running `Command { std: "docker" "start" "-a" "71b2ff60347c35f0397d81dc0581e70047102353191db884d457e2fa07a34e4f", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking mktemp-rs v0.2.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/temp_file.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/temp_dir.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/readme.rs from 2018 edition to 2021
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `temp_file`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/temp_file.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error: multiple unused formatting arguments
[INFO] [stderr]   --> tests/temp_file.rs:8:43
[INFO] [stderr]    |
[INFO] [stderr] 8  |         assert!($e.is_ok(), "{:?}", "{}", "{}", "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stderr]    |                             ------        ^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument never used
[INFO] [stderr]    |                             |             |     |
[INFO] [stderr]    |                             |             |     argument never used
[INFO] [stderr]    |                             |             argument never used
[INFO] [stderr]    |                             multiple missing formatting specifiers
[INFO] [stderr] ...
[INFO] [stderr] 15 |     assert_ok!(tf);
[INFO] [stderr]    |     ---------------
[INFO] [stderr]    |     |
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: multiple unused formatting arguments
[INFO] [stderr]   --> tests/temp_file.rs:8:43
[INFO] [stderr]    |
[INFO] [stderr] 8  |         assert!($e.is_ok(), "{:?}", "{}", "{}", "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stderr]    |                             ------        ^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument never used
[INFO] [stderr]    |                             |             |     |
[INFO] [stderr]    |                             |             |     argument never used
[INFO] [stderr]    |                             |             argument never used
[INFO] [stderr]    |                             multiple missing formatting specifiers
[INFO] [stderr] ...
[INFO] [stderr] 21 |     assert_ok!(tf);
[INFO] [stderr]    |     ---------------
[INFO] [stderr]    |     |
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: multiple unused formatting arguments
[INFO] [stderr]   --> tests/temp_file.rs:8:43
[INFO] [stderr]    |
[INFO] [stderr] 8  |         assert!($e.is_ok(), "{:?}", "{}", "{}", "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stderr]    |                             ------        ^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument never used
[INFO] [stderr]    |                             |             |     |
[INFO] [stderr]    |                             |             |     argument never used
[INFO] [stderr]    |                             |             argument never used
[INFO] [stderr]    |                             multiple missing formatting specifiers
[INFO] [stderr] ...
[INFO] [stderr] 27 |     assert_ok!(tf);
[INFO] [stderr]    |     ---------------
[INFO] [stderr]    |     |
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: multiple unused formatting arguments
[INFO] [stderr]   --> tests/temp_file.rs:8:43
[INFO] [stderr]    |
[INFO] [stderr] 8  |         assert!($e.is_ok(), "{:?}", "{}", "{}", "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stderr]    |                             ------        ^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument never used
[INFO] [stderr]    |                             |             |     |
[INFO] [stderr]    |                             |             |     argument never used
[INFO] [stderr]    |                             |             argument never used
[INFO] [stderr]    |                             multiple missing formatting specifiers
[INFO] [stderr] ...
[INFO] [stderr] 33 |     assert_ok!(tf);
[INFO] [stderr]    |     ---------------
[INFO] [stderr]    |     |
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: multiple unused formatting arguments
[INFO] [stderr]   --> tests/temp_file.rs:8:43
[INFO] [stderr]    |
[INFO] [stderr] 8  |         assert!($e.is_ok(), "{:?}", "{}", "{}", "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stderr]    |                             ------        ^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument never used
[INFO] [stderr]    |                             |             |     |
[INFO] [stderr]    |                             |             |     argument never used
[INFO] [stderr]    |                             |             argument never used
[INFO] [stderr]    |                             multiple missing formatting specifiers
[INFO] [stderr] ...
[INFO] [stderr] 45 |     assert_ok!(md);
[INFO] [stderr]    |     ---------------
[INFO] [stderr]    |     |
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: multiple unused formatting arguments
[INFO] [stderr]   --> tests/temp_file.rs:8:43
[INFO] [stderr]    |
[INFO] [stderr] 8  |         assert!($e.is_ok(), "{:?}", "{}", "{}", "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stderr]    |                             ------        ^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument never used
[INFO] [stderr]    |                             |             |     |
[INFO] [stderr]    |                             |             |     argument never used
[INFO] [stderr]    |                             |             argument never used
[INFO] [stderr]    |                             multiple missing formatting specifiers
[INFO] [stderr] ...
[INFO] [stderr] 53 |     assert_ok!(res);
[INFO] [stderr]    |     ----------------
[INFO] [stderr]    |     |
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: multiple unused formatting arguments
[INFO] [stderr]   --> tests/temp_file.rs:8:43
[INFO] [stderr]    |
[INFO] [stderr] 8  |         assert!($e.is_ok(), "{:?}", "{}", "{}", "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stderr]    |                             ------        ^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument never used
[INFO] [stderr]    |                             |             |     |
[INFO] [stderr]    |                             |             |     argument never used
[INFO] [stderr]    |                             |             argument never used
[INFO] [stderr]    |                             multiple missing formatting specifiers
[INFO] [stderr] ...
[INFO] [stderr] 56 |     assert_ok!(res);
[INFO] [stderr]    |     ----------------
[INFO] [stderr]    |     |
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: multiple unused formatting arguments
[INFO] [stderr]   --> tests/temp_file.rs:8:43
[INFO] [stderr]    |
[INFO] [stderr] 8  |         assert!($e.is_ok(), "{:?}", "{}", "{}", "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stderr]    |                             ------        ^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument never used
[INFO] [stderr]    |                             |             |     |
[INFO] [stderr]    |                             |             |     argument never used
[INFO] [stderr]    |                             |             argument never used
[INFO] [stderr]    |                             multiple missing formatting specifiers
[INFO] [stderr] ...
[INFO] [stderr] 60 |     assert_ok!(res);
[INFO] [stderr]    |     ----------------
[INFO] [stderr]    |     |
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: multiple unused formatting arguments
[INFO] [stderr]   --> tests/temp_file.rs:8:43
[INFO] [stderr]    |
[INFO] [stderr] 8  |         assert!($e.is_ok(), "{:?}", "{}", "{}", "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stderr]    |                             ------        ^^^^  ^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ argument never used
[INFO] [stderr]    |                             |             |     |
[INFO] [stderr]    |                             |             |     argument never used
[INFO] [stderr]    |                             |             argument never used
[INFO] [stderr]    |                             multiple missing formatting specifiers
[INFO] [stderr] ...
[INFO] [stderr] 71 |     assert_ok!(tf);
[INFO] [stderr]    |     ---------------
[INFO] [stderr]    |     |
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |     in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     assert_ok!(tf);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `--force-warn non-fmt-panics` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     assert_ok!(tf);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     assert_ok!(tf);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     assert_ok!(tf);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     assert_ok!(md);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the Debug implementation of `Metadata`
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{:?}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     assert_ok!(res);
[INFO] [stdout]    |     ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     assert_ok!(res);
[INFO] [stdout]    |     ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     assert_ok!(res);
[INFO] [stdout]    |     ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     assert_ok!(tf);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `temp_dir`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * tests/temp_dir.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error[E0277]: `TempDir` doesn't implement `Debug`
[INFO] [stderr]   --> tests/temp_dir.rs:7:37
[INFO] [stderr]    |
[INFO] [stderr] 7  |         assert!($e.is_ok(), "{:?}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `TempDir` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stderr] ...
[INFO] [stderr] 14 |     assert_ok!(td);
[INFO] [stderr]    |     --------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Debug` is not implemented for `TempDir`
[INFO] [stderr]    = note: this error originates in the macro `$crate::const_format_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `TempDir` doesn't implement `Debug`
[INFO] [stderr]   --> tests/temp_dir.rs:7:37
[INFO] [stderr]    |
[INFO] [stderr] 7  |         assert!($e.is_ok(), "{:?}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `TempDir` cannot be formatted using `{:?}` because it doesn't implement `Debug`
[INFO] [stderr] ...
[INFO] [stderr] 20 |     assert_ok!(td);
[INFO] [stderr]    |     --------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `Debug` is not implemented for `TempDir`
[INFO] [stderr]    = note: this error originates in the macro `$crate::const_format_args` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_dir.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     assert_ok!(td);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `--force-warn non-fmt-panics` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_dir.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     assert_ok!(td);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/temp_dir.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     assert_ok!(md);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: this warning originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{:?}" format string to use the Debug implementation of `Metadata`
[INFO] [stdout]    |
[INFO] [stdout] 7  |         assert!($e.is_ok(), "{:?}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.49s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking mktemp-rs v0.2.0 (/tmp/fixit)
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     assert_ok!(tf);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     assert_ok!(tf);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     assert_ok!(tf);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     assert_ok!(tf);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     assert_ok!(md);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     assert_ok!(res);
[INFO] [stdout]    |     ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     assert_ok!(res);
[INFO] [stdout]    |     ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     assert_ok!(res);
[INFO] [stdout]    |     ---------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_file.rs:8:29
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     assert_ok!(tf);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 8  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_dir.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     assert_ok!(td);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 7  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_dir.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     assert_ok!(td);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 7  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> tests/temp_dir.rs:7:29
[INFO] [stdout]    |
[INFO] [stdout] 7  |         assert!($e.is_ok(), $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     assert_ok!(md);
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `assert_ok` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 7  |         assert!($e.is_ok(), "{}", $e.unwrap_or_else(|e| panic!("{}", e)));
[INFO] [stdout]    |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mktemp-rs` due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to check after updating to 2021
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "71b2ff60347c35f0397d81dc0581e70047102353191db884d457e2fa07a34e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b2ff60347c35f0397d81dc0581e70047102353191db884d457e2fa07a34e4f", kill_on_drop: false }`
[INFO] [stdout] 71b2ff60347c35f0397d81dc0581e70047102353191db884d457e2fa07a34e4f