[INFO] fetching crate guppy 0.4.1...
[INFO] checking guppy-0.4.1 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate guppy 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate guppy 0.4.1 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate guppy 0.4.1
[INFO] finished tweaking crates.io crate guppy 0.4.1
[INFO] tweaked toml for crates.io crate guppy 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate guppy 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded target-spec v0.2.4
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c9507691527d43596c30308ffc8389a48bf2b2d2a27041f87667e4d7cc97b4cb
[INFO] running `"docker" "start" "-a" "c9507691527d43596c30308ffc8389a48bf2b2d2a27041f87667e4d7cc97b4cb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling target-spec v0.2.4
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking nested v0.1.1
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]     Checking cfg-expr v0.3.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]     Checking guppy v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/small/metadata1.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/fixtures.rs:22:37
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub(crate) static METADATA1: &str = include_str!("../../../fixtures/small/metadata1.json");
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/small/metadata2.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/fixtures.rs:31:37
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub(crate) static METADATA2: &str = include_str!("../../../fixtures/small/metadata2.json");
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/small/metadata_dups.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/fixtures.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub(crate) static METADATA_DUPS: &str = include_str!("../../../fixtures/small/metadata_dups.json");
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/small/metadata_cycle1.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/fixtures.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     include_str!("../../../fixtures/small/metadata_cycle1.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/small/metadata_cycle2.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/fixtures.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     include_str!("../../../fixtures/small/metadata_cycle2.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/small/metadata_targets1.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/fixtures.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     include_str!("../../../fixtures/small/metadata_targets1.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/small/metadata_build_targets1.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/fixtures.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     include_str!("../../../fixtures/small/metadata_build_targets1.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/small/metadata_proc_macro1.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/fixtures.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     include_str!("../../../fixtures/small/metadata_proc_macro1.json");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/large/metadata_libra.json: No such file or directory (os error 2)
[INFO] [stderr]    --> src/unit_tests/fixtures.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     include_str!("../../../fixtures/large/metadata_libra.json");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/large/metadata_libra_f0091a4.json: No such file or directory (os error 2)
[INFO] [stderr]    --> src/unit_tests/fixtures.rs:145:5
[INFO] [stderr]     |
[INFO] [stderr] 145 |     include_str!("../../../fixtures/large/metadata_libra_f0091a4.json");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/large/metadata_libra_9ffd93b.json: No such file or directory (os error 2)
[INFO] [stderr]    --> src/unit_tests/fixtures.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     include_str!("../../../fixtures/large/metadata_libra_9ffd93b.json");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/invalid/optional_dev_dep.json: No such file or directory (os error 2)
[INFO] [stderr]  --> src/unit_tests/invalid_tests.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |         include_str!("../../../fixtures/invalid/optional_dev_dep.json"),
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/invalid/duplicate_workspace_names.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/invalid_tests.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         include_str!("../../../fixtures/invalid/duplicate_workspace_names.json"),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/invalid/build_targets_empty_kinds.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/invalid_tests.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         include_str!("../../../fixtures/invalid/build_targets_empty_kinds.json"),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/invalid/build_targets_non_bin.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/invalid_tests.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         include_str!("../../../fixtures/invalid/build_targets_non_bin.json"),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read src/unit_tests/../../../fixtures/invalid/build_targets_duplicate_lib.json: No such file or directory (os error 2)
[INFO] [stderr]   --> src/unit_tests/invalid_tests.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         include_str!("../../../fixtures/invalid/build_targets_duplicate_lib.json"),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `guppy`.
[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] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/graph/build.rs:715:17
[INFO] [stderr]     |
[INFO] [stderr] 715 |                 mem::replace(self, PlatformStatusImpl::Always);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/graph/build.rs:731:17
[INFO] [stderr]     |
[INFO] [stderr] 731 |                 mem::replace(self, PlatformStatusImpl::Always);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/graph/graph_impl.rs:329:9
[INFO] [stderr]     |
[INFO] [stderr] 329 |         mem::replace(&mut self.sccs, OnceCell::new());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]    --> src/graph/graph_impl.rs:330:9
[INFO] [stderr]     |
[INFO] [stderr] 330 |         mem::replace(&mut self.feature_graph, OnceCell::new());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c9507691527d43596c30308ffc8389a48bf2b2d2a27041f87667e4d7cc97b4cb"`
[INFO] running `"docker" "rm" "-f" "c9507691527d43596c30308ffc8389a48bf2b2d2a27041f87667e4d7cc97b4cb"`
[INFO] [stdout] c9507691527d43596c30308ffc8389a48bf2b2d2a27041f87667e4d7cc97b4cb