[INFO] updating cached repository xd009642/tarpaulin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xd009642/tarpaulin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xd009642/tarpaulin" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/xd009642/tarpaulin"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/xd009642/tarpaulin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xd009642/tarpaulin" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/xd009642/tarpaulin"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/xd009642/tarpaulin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f54f99c66325ad9fc51a4841f06f9638f6eb9bf
[INFO] sha for GitHub repo xd009642/tarpaulin: 1f54f99c66325ad9fc51a4841f06f9638f6eb9bf
[INFO] validating manifest of xd009642/tarpaulin on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xd009642/tarpaulin on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xd009642/tarpaulin
[INFO] removed 0 missing tests
[INFO] finished frobbing xd009642/tarpaulin
[INFO] frobbed toml for xd009642/tarpaulin written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/xd009642/tarpaulin/Cargo.toml
[INFO] started frobbing xd009642/tarpaulin
[INFO] removed 0 missing tests
[INFO] finished frobbing xd009642/tarpaulin
[INFO] frobbed toml for xd009642/tarpaulin written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/xd009642/tarpaulin/Cargo.toml
[INFO] crate xd009642/tarpaulin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking xd009642/tarpaulin against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/xd009642/tarpaulin:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2f4f31ffc824892fc05a3a6cf13b27d7b14538b5c5d18f5c3e7a59dc5da32eb8
[INFO] running `"docker" "start" "-a" "2f4f31ffc824892fc05a3a6cf13b27d7b14538b5c5d18f5c3e7a59dc5da32eb8"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking parity-wasm v0.38.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking socket2 v0.3.9
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking filetime v0.2.6
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking jobserver v0.1.13
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking bstr v0.1.4
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking gimli v0.18.0
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking gzip-header v0.2.0
[INFO] [stderr]     Checking quote v0.6.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking globset v0.4.3
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking ignore v0.4.7
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]     Checking crypto-hash v0.3.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking opener v0.3.2
[INFO] [stderr]     Checking quick-xml v0.14.0
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]     Checking git2 v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking crates-io v0.23.0
[INFO] [stderr]     Checking rustfix v0.4.5
[INFO] [stderr]     Checking coveralls-api v0.4.0
[INFO] [stderr]     Checking git2-curl v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]     Checking cargo v0.35.0
[INFO] [stderr]     Checking object v0.12.0
[INFO] [stderr]     Checking cargo-tarpaulin v0.8.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/report/cobertura.rs:79:32
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/report/cobertura.rs:79:32
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 38s
[INFO] running `"docker" "inspect" "2f4f31ffc824892fc05a3a6cf13b27d7b14538b5c5d18f5c3e7a59dc5da32eb8"`
[INFO] running `"docker" "rm" "-f" "2f4f31ffc824892fc05a3a6cf13b27d7b14538b5c5d18f5c3e7a59dc5da32eb8"`
[INFO] [stdout] 2f4f31ffc824892fc05a3a6cf13b27d7b14538b5c5d18f5c3e7a59dc5da32eb8