[INFO] fetching crate graphplan 0.6.1...
[INFO] checking graphplan-0.6.1 against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] extracting crate graphplan 0.6.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate graphplan 0.6.1
[INFO] finished tweaking crates.io crate graphplan 0.6.1
[INFO] tweaked toml for crates.io crate graphplan 0.6.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graphplan 0.6.1 on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate graphplan 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded criterion v0.3.1
[INFO] [stderr]   Downloaded same-file v1.0.4
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded either v1.5.0
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded sourcefile v0.1.4
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded cast v0.2.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.58
[INFO] [stderr]   Downloaded oorandom v11.1.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded scopeguard v1.0.0
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded memoffset v0.5.3
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.43
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.58
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.58
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded criterion-plot v0.4.1
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded tinytemplate v1.0.3
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.58
[INFO] [stderr]   Downloaded weedle v0.10.0
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.8
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded js-sys v0.3.35
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded serde_json v1.0.33
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded regex-automata v0.1.8
[INFO] [stderr]   Downloaded syn v0.15.22
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded bumpalo v3.1.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.58
[INFO] [stderr]   Downloaded web-sys v0.3.35
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] [stderr]   Downloaded clap v2.33.0
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.14
[INFO] [stderr]   Downloaded bstr v0.2.10
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded plotters v0.2.12
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded libc v0.2.44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 66ec572e8a2fab079ec0b29d6b8820ce026444f312e3af430aeabebd92a99677
[INFO] running `Command { std: "docker" "start" "66ec572e8a2fab079ec0b29d6b8820ce026444f312e3af430aeabebd92a99677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66ec572e8a2fab079ec0b29d6b8820ce026444f312e3af430aeabebd92a99677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "66ec572e8a2fab079ec0b29d6b8820ce026444f312e3af430aeabebd92a99677" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66ec572e8a2fab079ec0b29d6b8820ce026444f312e3af430aeabebd92a99677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "66ec572e8a2fab079ec0b29d6b8820ce026444f312e3af430aeabebd92a99677" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]     Checking graphplan v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Action<'_, ActionId, PropositionId>` instead of cloning the inner type
[INFO] [stdout]    --> src/solver.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         available.insert(a.clone());
[INFO] [stdout]     |                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Action<'_, ActionId, PropositionId>` instead of cloning the inner type
[INFO] [stdout]    --> src/solver.rs:155:47
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   available.insert(a.clone());
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Action<'_, ActionId, PropositionId>` instead of cloning the inner type
[INFO] [stdout]    --> src/solver.rs:176:56
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 self.accum.insert(goal_idx, next_action.clone());
[INFO] [stdout]     |                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stdout] warning: enum `Props` is never used
[INFO] [stdout]  --> examples/pddl.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Props {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `at` is never used
[INFO] [stdout]   --> examples/pddl.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn at(obj1: Object, obj2: Object) -> HashSet<Proposition<Props>> {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Object` is never used
[INFO] [stdout]   --> examples/pddl.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | enum Object {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Predicate` is never used
[INFO] [stdout]   --> examples/pddl.rs:42:6
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum Predicate {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/proposition.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             format!("{:?} is not a negation of {:?}", p1, p2)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 86 -             format!("{:?} is not a negation of {:?}", p1, p2)
[INFO] [stdout] 86 +             "{:?} is not a negation of {:?}", p1, p2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&action::Action<'_, ActionId, PropositionId>` instead of cloning the inner type
[INFO] [stdout]    --> src/solver.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |                         available.insert(a.clone());
[INFO] [stdout]     |                                           ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&action::Action<'_, ActionId, PropositionId>` instead of cloning the inner type
[INFO] [stdout]    --> src/solver.rs:155:47
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   available.insert(a.clone());
[INFO] [stdout]     |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&action::Action<'_, ActionId, PropositionId>` instead of cloning the inner type
[INFO] [stdout]    --> src/solver.rs:176:56
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 self.accum.insert(goal_idx, next_action.clone());
[INFO] [stdout]     |                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pairset.rs:140:33
[INFO] [stdout]     |
[INFO] [stdout] 140 |             hashset! {PairSet(p1.clone(), p2.clone()),
[INFO] [stdout]     |                                 ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pairset.rs:140:45
[INFO] [stdout]     |
[INFO] [stdout] 140 |             hashset! {PairSet(p1.clone(), p2.clone()),
[INFO] [stdout]     |                                             ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pairset.rs:141:23
[INFO] [stdout]     |
[INFO] [stdout] 141 |             PairSet(p1.clone(), p3.clone()),
[INFO] [stdout]     |                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pairset.rs:141:35
[INFO] [stdout]     |
[INFO] [stdout] 141 |             PairSet(p1.clone(), p3.clone()),
[INFO] [stdout]     |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pairset.rs:142:23
[INFO] [stdout]     |
[INFO] [stdout] 142 |             PairSet(p2.clone(), p3.clone())},
[INFO] [stdout]     |                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pairset.rs:142:35
[INFO] [stdout]     |
[INFO] [stdout] 142 |             PairSet(p2.clone(), p3.clone())},
[INFO] [stdout]     |                                   ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pairset.rs:143:32
[INFO] [stdout]     |
[INFO] [stdout] 143 |             pairs(&hashset! {p1.clone(), p2.clone(), p3.clone()})
[INFO] [stdout]     |                                ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pairset.rs:143:44
[INFO] [stdout]     |
[INFO] [stdout] 143 |             pairs(&hashset! {p1.clone(), p2.clone(), p3.clone()})
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/pairset.rs:143:56
[INFO] [stdout]     |
[INFO] [stdout] 143 |             pairs(&hashset! {p1.clone(), p2.clone(), p3.clone()})
[INFO] [stdout]     |                                                        ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.95s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "66ec572e8a2fab079ec0b29d6b8820ce026444f312e3af430aeabebd92a99677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ec572e8a2fab079ec0b29d6b8820ce026444f312e3af430aeabebd92a99677", kill_on_drop: false }`
[INFO] [stdout] 66ec572e8a2fab079ec0b29d6b8820ce026444f312e3af430aeabebd92a99677
