[INFO] fetching crate pest_tmp 2.1.1...
[INFO] checking pest_tmp-2.1.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate pest_tmp 2.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pest_tmp 2.1.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pest_tmp 2.1.1
[INFO] finished tweaking crates.io crate pest_tmp 2.1.1
[INFO] tweaked toml for crates.io crate pest_tmp 2.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19d208ea13c164a010c64b8b1ba0e671ec39bb3c4f1898eab015287a2a69497b
[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" "19d208ea13c164a010c64b8b1ba0e671ec39bb3c4f1898eab015287a2a69497b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d208ea13c164a010c64b8b1ba0e671ec39bb3c4f1898eab015287a2a69497b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d208ea13c164a010c64b8b1ba0e671ec39bb3c4f1898eab015287a2a69497b", kill_on_drop: false }`
[INFO] [stdout] 19d208ea13c164a010c64b8b1ba0e671ec39bb3c4f1898eab015287a2a69497b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 819a20f4b28e232fd383282118bc29562b87d828aa6240fc1ba82e298db31812
[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" "819a20f4b28e232fd383282118bc29562b87d828aa6240fc1ba82e298db31812", kill_on_drop: false }`
[INFO] [stderr]     Checking pest_tmp v2.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unicode/mod.rs:52:42
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn by_name(name: &str) -> Option<Box<Fn(char) -> bool>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unicode/mod.rs:52:42
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn by_name(name: &str) -> Option<Box<Fn(char) -> bool>> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(char) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/macros.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 | /         parses_to! {
[INFO] [stdout] 367 | |             parser: AbcParser,
[INFO] [stdout] 368 | |             input: "abcde",
[INFO] [stdout] 369 | |             rule: Rule::a,
[INFO] [stdout] ...   |
[INFO] [stdout] 375 | |             ]
[INFO] [stdout] 376 | |         };
[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]     = note: this warning originates in a macro (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]    --> src/macros.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 | /         parses_to! {
[INFO] [stdout] 367 | |             parser: AbcParser,
[INFO] [stdout] 368 | |             input: "abcde",
[INFO] [stdout] 369 | |             rule: Rule::a,
[INFO] [stdout] ...   |
[INFO] [stdout] 375 | |             ]
[INFO] [stdout] 376 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (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]    --> src/macros.rs:382:9
[INFO] [stdout]     |
[INFO] [stdout] 382 | /         parses_to! {
[INFO] [stdout] 383 | |             parser: AbcParser,
[INFO] [stdout] 384 | |             input: "abcde",
[INFO] [stdout] 385 | |             rule: Rule::a,
[INFO] [stdout] ...   |
[INFO] [stdout] 390 | |             ]
[INFO] [stdout] 391 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (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]    --> src/macros.rs:382:9
[INFO] [stdout]     |
[INFO] [stdout] 382 | /         parses_to! {
[INFO] [stdout] 383 | |             parser: AbcParser,
[INFO] [stdout] 384 | |             input: "abcde",
[INFO] [stdout] 385 | |             rule: Rule::a,
[INFO] [stdout] ...   |
[INFO] [stdout] 390 | |             ]
[INFO] [stdout] 391 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (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]    --> src/macros.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 397 | /         parses_to! {
[INFO] [stdout] 398 | |             parser: AbcParser,
[INFO] [stdout] 399 | |             input: "abcde",
[INFO] [stdout] 400 | |             rule: Rule::a,
[INFO] [stdout] 401 | |             tokens: []
[INFO] [stdout] 402 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (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]    --> src/macros.rs:397:9
[INFO] [stdout]     |
[INFO] [stdout] 397 | /         parses_to! {
[INFO] [stdout] 398 | |             parser: AbcParser,
[INFO] [stdout] 399 | |             input: "abcde",
[INFO] [stdout] 400 | |             rule: Rule::a,
[INFO] [stdout] 401 | |             tokens: []
[INFO] [stdout] 402 | |         };
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `pest`
[INFO] [stdout]   --> tests/calculator.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate pest;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `pest`
[INFO] [stdout]   --> tests/json.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate pest;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pest_tmp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `pest`
[INFO] [stdout]  --> examples/parens.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate pest;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::cmp::Ord::cmp` that must be used
[INFO] [stdout]    --> src/position.rs:608:9
[INFO] [stdout]     |
[INFO] [stdout] 608 |         pos1.cmp(&pos2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "819a20f4b28e232fd383282118bc29562b87d828aa6240fc1ba82e298db31812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819a20f4b28e232fd383282118bc29562b87d828aa6240fc1ba82e298db31812", kill_on_drop: false }`
[INFO] [stdout] 819a20f4b28e232fd383282118bc29562b87d828aa6240fc1ba82e298db31812