[INFO] fetching crate cargo-tarpaulin 0.18.0-alpha3...
[INFO] checking cargo-tarpaulin-0.18.0-alpha3 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate cargo-tarpaulin 0.18.0-alpha3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-tarpaulin 0.18.0-alpha3 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-tarpaulin 0.18.0-alpha3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cargo-tarpaulin 0.18.0-alpha3
[INFO] tweaked toml for crates.io crate cargo-tarpaulin 0.18.0-alpha3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-tarpaulin 0.18.0-alpha3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded humantime-serde v1.0.1
[INFO] [stderr]   Downloaded camino v1.0.2
[INFO] [stderr]   Downloaded coveralls-api v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 313793e761a7d3e89b157509ffbd3bb3c0c0c81bd5b078ae766dcd810c13b338
[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" "313793e761a7d3e89b157509ffbd3bb3c0c0c81bd5b078ae766dcd810c13b338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "313793e761a7d3e89b157509ffbd3bb3c0c0c81bd5b078ae766dcd810c13b338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313793e761a7d3e89b157509ffbd3bb3c0c0c81bd5b078ae766dcd810c13b338", kill_on_drop: false }`
[INFO] [stdout] 313793e761a7d3e89b157509ffbd3bb3c0c0c81bd5b078ae766dcd810c13b338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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] 0c6225da32d9a582a5f4c734443c16ab2b2499b23bb71b23a6b4fca53a479bb4
[INFO] running `Command { std: "docker" "start" "-a" "0c6225da32d9a582a5f4c734443c16ab2b2499b23bb71b23a6b4fca53a479bb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling camino v1.0.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking gzip-header v0.3.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]    Compiling libgit2-sys v0.12.19+1.1.0
[INFO] [stderr]     Checking procfs v0.9.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking git2 v0.13.18
[INFO] [stdout] error[E0495]: cannot infer an appropriate lifetime due to conflicting requirements
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/git2-0.13.18/src/attr.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 |         match (self, other) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: first, the lifetime cannot outlive the anonymous lifetime defined on the method body at 73:26...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/git2-0.13.18/src/attr.rs:73:26
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn eq(&self, other: &AttrValue<'_>) -> bool {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^
[INFO] [stdout] note: ...so that the types are compatible
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/git2-0.13.18/src/attr.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 |         match (self, other) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^
[INFO] [stdout]    = note: expected `(&AttrValue<'_>, &AttrValue<'_>)`
[INFO] [stdout]               found `(&AttrValue<'_>, &AttrValue<'_>)`
[INFO] [stdout] note: but, the lifetime must be valid for the lifetime `'_` as defined on the impl at 72:30...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/git2-0.13.18/src/attr.rs:72:30
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl PartialEq for AttrValue<'_> {
[INFO] [stdout]    |                              ^^
[INFO] [stdout] note: ...so that the types are compatible
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/git2-0.13.18/src/attr.rs:79:16
[INFO] [stdout]    |
[INFO] [stdout] 79 |             | (Self::Bytes(bytes), AttrValue::String(string)) => string.as_bytes() == *bytes,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: expected `AttrValue<'_>`
[INFO] [stdout]               found `AttrValue<'_>`
[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 E0495`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `git2`
[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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0c6225da32d9a582a5f4c734443c16ab2b2499b23bb71b23a6b4fca53a479bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6225da32d9a582a5f4c734443c16ab2b2499b23bb71b23a6b4fca53a479bb4", kill_on_drop: false }`
[INFO] [stdout] 0c6225da32d9a582a5f4c734443c16ab2b2499b23bb71b23a6b4fca53a479bb4