[INFO] fetching crate prometheus_iota_exporter 0.1.3...
[INFO] checking prometheus_iota_exporter-0.1.3 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate prometheus_iota_exporter 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate prometheus_iota_exporter 0.1.3 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prometheus_iota_exporter 0.1.3
[INFO] finished tweaking crates.io crate prometheus_iota_exporter 0.1.3
[INFO] tweaked toml for crates.io crate prometheus_iota_exporter 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 131 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.21)
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.5)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding http v0.1.21 (available: v1.1.0)
[INFO] [stderr]       Adding hyper v0.12.36 (available: v1.5.1)
[INFO] [stderr]       Adding prometheus_exporter_base v0.2.2 (available: v1.4.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2d206ad85f6f8783e3633d03a0141260b510320e72c437d22b89b9623bd890e
[INFO] running `Command { std: "docker" "start" "-a" "d2d206ad85f6f8783e3633d03a0141260b510320e72c437d22b89b9623bd890e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d206ad85f6f8783e3633d03a0141260b510320e72c437d22b89b9623bd890e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d206ad85f6f8783e3633d03a0141260b510320e72c437d22b89b9623bd890e", kill_on_drop: false }`
[INFO] [stdout] d2d206ad85f6f8783e3633d03a0141260b510320e72c437d22b89b9623bd890e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7cd59cdc733f1dd623d38e5e018ea9d2f124de691d14118085685bd2b49e081
[INFO] running `Command { std: "docker" "start" "-a" "a7cd59cdc733f1dd623d38e5e018ea9d2f124de691d14118085685bd2b49e081", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ring-0.14.6/build.rs:475:52
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 let _ = c.flag("-Wl,--gc-sections".into());
[INFO] [stdout]     |                           ----                     ^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `_: AsRef<OsStr>` found in the following crates: `cc`, `std`:
[INFO] [stdout]             - impl AsRef<OsStr> for OsStr;
[INFO] [stdout]             - impl AsRef<OsStr> for OsString;
[INFO] [stdout]             - impl AsRef<OsStr> for Path;
[INFO] [stdout]             - impl AsRef<OsStr> for PathBuf;
[INFO] [stdout]             - impl AsRef<OsStr> for String;
[INFO] [stdout]             - impl AsRef<OsStr> for str;
[INFO] [stdout]             - impl AsRef<OsStr> for windows_registry::Env;
[INFO] [stdout] note: required by a bound in `Build::flag`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cc-1.2.2/src/lib.rs:556:39
[INFO] [stdout]     |
[INFO] [stdout] 556 |     pub fn flag(&mut self, flag: impl AsRef<OsStr>) -> &mut Build {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ required by this bound in `Build::flag`
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]     |
[INFO] [stdout] 475 |                 let _ = c.flag(<&str as Into<T>>::into("-Wl,--gc-sections"));
[INFO] [stdout]     |                                ++++++++++++++++++++++++                   ~
[INFO] [stdout] help: consider removing this method call, as the receiver has type `&'static str` and `&'static str: AsRef<OsStr>` trivially holds
[INFO] [stdout]     |
[INFO] [stdout] 475 -                 let _ = c.flag("-Wl,--gc-sections".into());
[INFO] [stdout] 475 +                 let _ = c.flag("-Wl,--gc-sections");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr] error: could not compile `ring` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a7cd59cdc733f1dd623d38e5e018ea9d2f124de691d14118085685bd2b49e081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cd59cdc733f1dd623d38e5e018ea9d2f124de691d14118085685bd2b49e081", kill_on_drop: false }`
[INFO] [stdout] a7cd59cdc733f1dd623d38e5e018ea9d2f124de691d14118085685bd2b49e081
