[INFO] cloning repository https://github.com/TomRegan/roots
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TomRegan/roots" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomRegan%2Froots", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomRegan%2Froots'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 665f0ced1940c186134725d0e86ca6c5ae8f8171
[INFO] checking TomRegan/roots against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomRegan%2Froots" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TomRegan/roots on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TomRegan/roots
[INFO] finished tweaking git repo https://github.com/TomRegan/roots
[INFO] tweaked toml for git repo https://github.com/TomRegan/roots written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d335a16e5ce43aedb7b771965198e29752c2e95c9aac8333b4df85135a42c6e
[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" "1d335a16e5ce43aedb7b771965198e29752c2e95c9aac8333b4df85135a42c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d335a16e5ce43aedb7b771965198e29752c2e95c9aac8333b4df85135a42c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d335a16e5ce43aedb7b771965198e29752c2e95c9aac8333b4df85135a42c6e", kill_on_drop: false }`
[INFO] [stdout] 1d335a16e5ce43aedb7b771965198e29752c2e95c9aac8333b4df85135a42c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3493c9b1bfbd5859d5b72eae2ed810f4b4a1ca9380f3ccc56272b9090996d991
[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" "3493c9b1bfbd5859d5b72eae2ed810f4b4a1ca9380f3ccc56272b9090996d991", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling bindgen v0.44.0
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking c_string v0.7.0
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/c_string-0.7.0/src/c_str.rs:234:84
[INFO] [stdout]     |
[INFO] [stdout] 234 |             format!("invalid data for C string: NUL at position {}", err.position).as_ref())
[INFO] [stdout]     |             -----------------------------------------------------------------------^^^^^^--
[INFO] [stdout]     |             |                                                                      |
[INFO] [stdout]     |             |                                                                      cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]     |             this method call resolves to `&T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `String: AsRef<_>`
[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 E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `c_string`
[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" "3493c9b1bfbd5859d5b72eae2ed810f4b4a1ca9380f3ccc56272b9090996d991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3493c9b1bfbd5859d5b72eae2ed810f4b4a1ca9380f3ccc56272b9090996d991", kill_on_drop: false }`
[INFO] [stdout] 3493c9b1bfbd5859d5b72eae2ed810f4b4a1ca9380f3ccc56272b9090996d991