[INFO] fetching crate cargo-tarpaulin 0.18.2...
[INFO] checking cargo-tarpaulin-0.18.2 against 1.55.0 for beta-1.56-3
[INFO] extracting crate cargo-tarpaulin 0.18.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-tarpaulin 0.18.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-tarpaulin 0.18.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cargo-tarpaulin 0.18.2
[INFO] tweaked toml for crates.io crate cargo-tarpaulin 0.18.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-tarpaulin 0.18.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] 8c87731ed35c61aad949a5fdce69216b7d0a201213603f75b42f186f39d331ff
[INFO] running `Command { std: "docker" "start" "-a" "8c87731ed35c61aad949a5fdce69216b7d0a201213603f75b42f186f39d331ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c87731ed35c61aad949a5fdce69216b7d0a201213603f75b42f186f39d331ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c87731ed35c61aad949a5fdce69216b7d0a201213603f75b42f186f39d331ff", kill_on_drop: false }`
[INFO] [stdout] 8c87731ed35c61aad949a5fdce69216b7d0a201213603f75b42f186f39d331ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af80768695c32cf349c1457c165c6ebf98db64b3a94a4c77b8f5c83a2ded7048
[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" "af80768695c32cf349c1457c165c6ebf98db64b3a94a4c77b8f5c83a2ded7048", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling camino v1.0.2
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking gzip-header v0.3.0
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking object v0.24.0
[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 curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.20
[INFO] [stderr]    Compiling libgit2-sys v0.12.22+1.1.0
[INFO] [stderr]     Checking procfs v0.10.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking git2 v0.13.21
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking humantime-serde v1.0.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling cargo-tarpaulin v0.18.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking coveralls-api v0.5.0
[INFO] [stderr]     Checking cargo_metadata v0.14.0
[INFO] [stdout] warning: field is never read: `event_log`
[INFO] [stdout]   --> src/statemachine/instrumented.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     event_log: &'a Option<EventLog>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `traces`
[INFO] [stdout]   --> src/statemachine/instrumented.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     traces: &'a mut TraceMap,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `analysis`
[INFO] [stdout]   --> src/statemachine/instrumented.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     analysis: &'a HashMap<PathBuf, LineAnalysis>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `event_log`
[INFO] [stdout]   --> src/statemachine/instrumented.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     event_log: &'a Option<EventLog>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `traces`
[INFO] [stdout]   --> src/statemachine/instrumented.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     traces: &'a mut TraceMap,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `analysis`
[INFO] [stdout]   --> src/statemachine/instrumented.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     analysis: &'a HashMap<PathBuf, LineAnalysis>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `Command { std: "docker" "inspect" "af80768695c32cf349c1457c165c6ebf98db64b3a94a4c77b8f5c83a2ded7048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af80768695c32cf349c1457c165c6ebf98db64b3a94a4c77b8f5c83a2ded7048", kill_on_drop: false }`
[INFO] [stdout] af80768695c32cf349c1457c165c6ebf98db64b3a94a4c77b8f5c83a2ded7048
