[INFO] cloning repository https://github.com/sndnvaps/dictionary-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sndnvaps/dictionary-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsndnvaps%2Fdictionary-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsndnvaps%2Fdictionary-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5f77ef00047ee85a8c4fd2e43d49cffa1a3e40f
[INFO] checking sndnvaps/dictionary-rs against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsndnvaps%2Fdictionary-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sndnvaps/dictionary-rs
[INFO] finished tweaking git repo https://github.com/sndnvaps/dictionary-rs
[INFO] tweaked toml for git repo https://github.com/sndnvaps/dictionary-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sndnvaps/dictionary-rs on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sndnvaps/dictionary-rs 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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e097cd07a981d1fa8bbdd46b3171e6b58a815b4014bd33ac9c05d371df014ad
[INFO] running `Command { std: "docker" "start" "-a" "2e097cd07a981d1fa8bbdd46b3171e6b58a815b4014bd33ac9c05d371df014ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e097cd07a981d1fa8bbdd46b3171e6b58a815b4014bd33ac9c05d371df014ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e097cd07a981d1fa8bbdd46b3171e6b58a815b4014bd33ac9c05d371df014ad", kill_on_drop: false }`
[INFO] [stdout] 2e097cd07a981d1fa8bbdd46b3171e6b58a815b4014bd33ac9c05d371df014ad
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4cadff65fbf86c6596a9b10ac3346a6af07cf06b60fb2766cf01d2083e8230e
[INFO] running `Command { std: "docker" "start" "-a" "c4cadff65fbf86c6596a9b10ac3346a6af07cf06b60fb2766cf01d2083e8230e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking dictionary_rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/dictionary.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn iter(&self) -> indexmap::map::Iter<K, V> {
[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] 119 |     pub fn iter(&self) -> indexmap::map::Iter<'_, K, V> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/dictionary.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn iter(&self) -> indexmap::map::Iter<K, V> {
[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] 119 |     pub fn iter(&self) -> indexmap::map::Iter<'_, K, V> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "c4cadff65fbf86c6596a9b10ac3346a6af07cf06b60fb2766cf01d2083e8230e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4cadff65fbf86c6596a9b10ac3346a6af07cf06b60fb2766cf01d2083e8230e", kill_on_drop: false }`
[INFO] [stdout] c4cadff65fbf86c6596a9b10ac3346a6af07cf06b60fb2766cf01d2083e8230e