[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 try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomRegan%2Froots" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TomRegan/roots on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates v1.0.5
[INFO] [stderr]   Downloaded clang-sys v0.26.4
[INFO] [stderr]   Downloaded reqwest v0.10.8
[INFO] [stderr]   Downloaded mobi-sys v0.1.2
[INFO] [stderr]   Downloaded encoding_rs v0.8.24
[INFO] [stderr]   Downloaded c_string v0.7.0
[INFO] [stderr]   Downloaded bindgen v0.44.0
[INFO] [stderr]   Downloaded epub v1.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5f4d5449d535ce2c44520e15fc66f9fbecb165493aea7534ab3181e70e3b704
[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" "a5f4d5449d535ce2c44520e15fc66f9fbecb165493aea7534ab3181e70e3b704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5f4d5449d535ce2c44520e15fc66f9fbecb165493aea7534ab3181e70e3b704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f4d5449d535ce2c44520e15fc66f9fbecb165493aea7534ab3181e70e3b704", kill_on_drop: false }`
[INFO] [stdout] a5f4d5449d535ce2c44520e15fc66f9fbecb165493aea7534ab3181e70e3b704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26414eb586ec7f8bac12a65b8dd55db23b3dc01e58996f854a7cf0cc5a1f15df
[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" "26414eb586ec7f8bac12a65b8dd55db23b3dc01e58996f854a7cf0cc5a1f15df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.44.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking c_string v0.7.0
[INFO] [stdout] error[E0283]: type annotations needed for `std::string::String`
[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]     |             ---------------------------------------------------------------------- ^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             consider giving `res` a type
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `std::string::String: std::convert::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]    Compiling proc-macro2 v1.0.19
[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" "26414eb586ec7f8bac12a65b8dd55db23b3dc01e58996f854a7cf0cc5a1f15df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26414eb586ec7f8bac12a65b8dd55db23b3dc01e58996f854a7cf0cc5a1f15df", kill_on_drop: false }`
[INFO] [stdout] 26414eb586ec7f8bac12a65b8dd55db23b3dc01e58996f854a7cf0cc5a1f15df