[INFO] fetching crate imbl-value 0.1.0...
[INFO] checking imbl-value-0.1.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate imbl-value 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate imbl-value 0.1.0 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 imbl-value 0.1.0
[INFO] finished tweaking crates.io crate imbl-value 0.1.0
[INFO] tweaked toml for crates.io crate imbl-value 0.1.0 written to /workspace/builds/worker-4-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 28 packages to latest compatible versions
[INFO] [stderr]       Adding imbl v2.0.3 (available: v3.0.0)
[INFO] [stderr]       Adding treediff v4.0.3 (available: v5.0.0)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fe27ec2a5754ab9c7d0e0cdc4350081413a1407bd9f969043fc11eaf0e23f933
[INFO] running `Command { std: "docker" "start" "-a" "fe27ec2a5754ab9c7d0e0cdc4350081413a1407bd9f969043fc11eaf0e23f933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe27ec2a5754ab9c7d0e0cdc4350081413a1407bd9f969043fc11eaf0e23f933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe27ec2a5754ab9c7d0e0cdc4350081413a1407bd9f969043fc11eaf0e23f933", kill_on_drop: false }`
[INFO] [stdout] fe27ec2a5754ab9c7d0e0cdc4350081413a1407bd9f969043fc11eaf0e23f933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2097a63ca380dbb86700f70b4ca3d912ed1fff21601bdfb75bf27358a22f713b
[INFO] running `Command { std: "docker" "start" "-a" "2097a63ca380dbb86700f70b4ca3d912ed1fff21601bdfb75bf27358a22f713b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking bitmaps v3.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking imbl-sized-chunks v0.1.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]     Checking imbl v2.0.3
[INFO] [stderr]     Checking serde_json v1.0.133
[INFO] [stderr]     Checking yasi v0.1.5
[INFO] [stderr]     Checking imbl-value v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]     --> src/lib.rs:975:9
[INFO] [stdout]      |
[INFO] [stdout] 975  |         serde_json::from_str(&serde_json::to_string(&value).unwrap()).unwrap(),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the function `from_str`
[INFO] [stdout]      |
[INFO] [stdout]      = note: cannot satisfy `_: Deserialize<'_>`
[INFO] [stdout]      = help: the following types implement trait `Deserialize<'de>`:
[INFO] [stdout]                &'a Path
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 154 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.133/src/de.rs:2694:8
[INFO] [stdout]      |
[INFO] [stdout] 2692 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2693 | where
[INFO] [stdout] 2694 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]      |
[INFO] [stdout] 975  |         serde_json::from_str::<T>(&serde_json::to_string(&value).unwrap()).unwrap(),
[INFO] [stdout]      |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:975:9
[INFO] [stdout]     |
[INFO] [stdout] 973 | /     assert_eq!(
[INFO] [stdout] 974 | |         value,
[INFO] [stdout] 975 | |         serde_json::from_str(&serde_json::to_string(&value).unwrap()).unwrap(),
[INFO] [stdout]     | |         ^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the function `from_str`
[INFO] [stdout] 976 | |     );
[INFO] [stdout]     | |_____- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] note: multiple `impl`s satisfying `Value: PartialEq<_>` found
[INFO] [stdout]    --> src/lib.rs:844:1
[INFO] [stdout]     |
[INFO] [stdout] 844 | impl PartialEq for Value {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 860 | impl PartialEq<f64> for Value {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 868 | impl PartialEq<i64> for Value {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 876 | impl PartialEq<u64> for Value {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 884 | impl PartialEq<str> for Value {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 975 |         serde_json::from_str::<T>(&serde_json::to_string(&value).unwrap()).unwrap(),
[INFO] [stdout]     |                             +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&&K` instead of dereferencing the inner type
[INFO] [stdout]    --> src/in_order_map/mod.rs:162:36
[INFO] [stdout]     |
[INFO] [stdout] 162 |         self.iter().find(|(k, _)| k.deref() == key).map(|x| &x.1)
[INFO] [stdout]     |                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.deref()` on a double reference, which returns `&&K` instead of dereferencing the inner type
[INFO] [stdout]    --> src/in_order_map/mod.rs:270:29
[INFO] [stdout]     |
[INFO] [stdout] 270 |             .find(|(k, _)| k.deref() == key.borrow())
[INFO] [stdout]     |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imbl-value` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2097a63ca380dbb86700f70b4ca3d912ed1fff21601bdfb75bf27358a22f713b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2097a63ca380dbb86700f70b4ca3d912ed1fff21601bdfb75bf27358a22f713b", kill_on_drop: false }`
[INFO] [stdout] 2097a63ca380dbb86700f70b4ca3d912ed1fff21601bdfb75bf27358a22f713b
