[INFO] fetching crate trie_map 0.2.0...
[INFO] checking trie_map-0.2.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate trie_map 0.2.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate trie_map 0.2.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trie_map 0.2.0
[INFO] finished tweaking crates.io crate trie_map 0.2.0
[INFO] tweaked toml for crates.io crate trie_map 0.2.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d09109de7083dca28cbb8cb1b6a50005beac4e1a0975c5d920d6c925438db163
[INFO] running `Command { std: "docker" "start" "-a" "d09109de7083dca28cbb8cb1b6a50005beac4e1a0975c5d920d6c925438db163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d09109de7083dca28cbb8cb1b6a50005beac4e1a0975c5d920d6c925438db163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09109de7083dca28cbb8cb1b6a50005beac4e1a0975c5d920d6c925438db163", kill_on_drop: false }`
[INFO] [stdout] d09109de7083dca28cbb8cb1b6a50005beac4e1a0975c5d920d6c925438db163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1516ec45215579d4efd459167b843e5a8f61fef2364b4fc16193a744b875de8
[INFO] running `Command { std: "docker" "start" "-a" "c1516ec45215579d4efd459167b843e5a8f61fef2364b4fc16193a744b875de8", kill_on_drop: false }`
[INFO] [stderr]     Checking trie_map v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RandomState`, `Vacant`, `ptr::NonNull`
[INFO] [stdout]   --> src/lib.rs:7:31
[INFO] [stdout]    |
[INFO] [stdout] 7  |             Entry::{Occupied, Vacant},
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout] 8  |             RandomState,
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     ptr::NonNull,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RandomState`, `Vacant`, `ptr::NonNull`
[INFO] [stdout]   --> src/lib.rs:7:31
[INFO] [stdout]    |
[INFO] [stdout] 7  |             Entry::{Occupied, Vacant},
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout] 8  |             RandomState,
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     ptr::NonNull,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefix`
[INFO] [stdout]    --> src/lib.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |     prefix: Vec<&'a K>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]    --> src/lib.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 |     value: &'a V,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prefix`
[INFO] [stdout]    --> src/lib.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |     prefix: Vec<&'a K>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]    --> src/lib.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 267 |     value: &'a V,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1516ec45215579d4efd459167b843e5a8f61fef2364b4fc16193a744b875de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1516ec45215579d4efd459167b843e5a8f61fef2364b4fc16193a744b875de8", kill_on_drop: false }`
[INFO] [stdout] c1516ec45215579d4efd459167b843e5a8f61fef2364b4fc16193a744b875de8