[INFO] cloning repository https://github.com/zargovv/silicate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zargovv/silicate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzargovv%2Fsilicate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzargovv%2Fsilicate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82286f7603431f0a888a09e3ee7b2f28b73ff84c
[INFO] checking zargovv/silicate against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzargovv%2Fsilicate" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zargovv/silicate on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zargovv/silicate
[INFO] finished tweaking git repo https://github.com/zargovv/silicate
[INFO] tweaked toml for git repo https://github.com/zargovv/silicate written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zargovv/silicate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15ba5d168567fc5951cec29d4075d913d124c8b739c01bed168ab3fd4f54729e
[INFO] running `Command { std: "docker" "start" "-a" "15ba5d168567fc5951cec29d4075d913d124c8b739c01bed168ab3fd4f54729e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15ba5d168567fc5951cec29d4075d913d124c8b739c01bed168ab3fd4f54729e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ba5d168567fc5951cec29d4075d913d124c8b739c01bed168ab3fd4f54729e", kill_on_drop: false }`
[INFO] [stdout] 15ba5d168567fc5951cec29d4075d913d124c8b739c01bed168ab3fd4f54729e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa7916c8f195c7e7958a6a5f3cb6e6bfbdf93a9a414c055d4ef182f3e6ce9177
[INFO] running `Command { std: "docker" "start" "-a" "aa7916c8f195c7e7958a6a5f3cb6e6bfbdf93a9a414c055d4ef182f3e6ce9177", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.0.0 (/opt/rustwide/workdir/quote)
[INFO] [stderr]     Checking silicate v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/parse.rs:179:15
[INFO] [stdout]     |
[INFO] [stdout] 179 |   pub fn iter(&self) -> FieldIter {
[INFO] [stdout]     |               ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |               |
[INFO] [stdout]     |               this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 179 |   pub fn iter(&self) -> FieldIter<'_> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/parse.rs:179:15
[INFO] [stdout]     |
[INFO] [stdout] 179 |   pub fn iter(&self) -> FieldIter {
[INFO] [stdout]     |               ^^^^^     --------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |               |
[INFO] [stdout]     |               this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 179 |   pub fn iter(&self) -> FieldIter<'_> {
[INFO] [stdout]     |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "aa7916c8f195c7e7958a6a5f3cb6e6bfbdf93a9a414c055d4ef182f3e6ce9177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7916c8f195c7e7958a6a5f3cb6e6bfbdf93a9a414c055d4ef182f3e6ce9177", kill_on_drop: false }`
[INFO] [stdout] aa7916c8f195c7e7958a6a5f3cb6e6bfbdf93a9a414c055d4ef182f3e6ce9177