[INFO] fetching crate crudite 0.1.0...
[INFO] checking crudite-0.1.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate crudite 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate crudite 0.1.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crudite 0.1.0
[INFO] finished tweaking crates.io crate crudite 0.1.0
[INFO] tweaked toml for crates.io crate crudite 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.5.1)
[INFO] [stderr]       Adding im v13.0.0 (available: v15.1.0)
[INFO] [stderr]       Adding uuid v0.7.4 (available: v1.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sized-chunks v0.3.1
[INFO] [stderr]   Downloaded im v13.0.0
[INFO] [stderr]   Downloaded uuid v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f092a1984825c2676916faf314ffac9fa8135c3037feba69a35d3249514906b1
[INFO] running `Command { std: "docker" "start" "-a" "f092a1984825c2676916faf314ffac9fa8135c3037feba69a35d3249514906b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f092a1984825c2676916faf314ffac9fa8135c3037feba69a35d3249514906b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f092a1984825c2676916faf314ffac9fa8135c3037feba69a35d3249514906b1", kill_on_drop: false }`
[INFO] [stdout] f092a1984825c2676916faf314ffac9fa8135c3037feba69a35d3249514906b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4dd01c35e58b00f8c0cc832eb07cf004a2827813907c78bd53ae7e521b4ea11
[INFO] running `Command { std: "docker" "start" "-a" "e4dd01c35e58b00f8c0cc832eb07cf004a2827813907c78bd53ae7e521b4ea11", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling im v13.0.0
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking sized-chunks v0.3.1
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]     Checking serde v1.0.215
[INFO] [stderr]     Checking serde_json v1.0.133
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking crudite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/json/value.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use im::{HashMap, HashSet};
[INFO] [stdout]   |          ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]    --> src/json/tree.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct Tree<Id: Hash + Clone + Eq + Debug> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 105 |     root: Id,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Tree` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `object_get` and `get_parent` are never used
[INFO] [stdout]    --> src/json/tree.rs:626:19
[INFO] [stdout]     |
[INFO] [stdout] 318 | impl<Id: Hash + Clone + Eq + Debug> Tree<Id> {
[INFO] [stdout]     | -------------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 626 |     pub(super) fn object_get(&self, object: Id, key: &str) -> Result<Value<Id>, TreeError> {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 651 |     pub(super) fn get_parent(&self, id: Id) -> Result<Option<Id>, TreeError> {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/json/value.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use im::{HashMap, HashSet};
[INFO] [stdout]   |          ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tree`
[INFO] [stdout]   --> benches/long_string.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 tree::Edit::TextCreate { id: Id { num: 1 } },
[INFO] [stdout]    |                 ^^^^ use of undeclared crate or module `tree`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these enums
[INFO] [stdout]    |
[INFO] [stdout] 4  + use crate::json::Edit;
[INFO] [stdout]    |
[INFO] [stdout] 4  + use crudite::json::Edit;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Edit`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 15 -                 tree::Edit::TextCreate { id: Id { num: 1 } },
[INFO] [stdout] 15 +                 Edit::TextCreate { id: Id { num: 1 } },
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tree`
[INFO] [stdout]   --> benches/long_string.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 tree::Edit::MapInsert {
[INFO] [stdout]    |                 ^^^^ use of undeclared crate or module `tree`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these enums
[INFO] [stdout]    |
[INFO] [stdout] 4  + use crate::json::Edit;
[INFO] [stdout]    |
[INFO] [stdout] 4  + use crudite::json::Edit;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Edit`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 16 -                 tree::Edit::MapInsert {
[INFO] [stdout] 16 +                 Edit::MapInsert {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tree`
[INFO] [stdout]   --> benches/long_string.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |                     item: tree::Value::Collection(Id { num: 1 }),
[INFO] [stdout]    |                           ^^^^ use of undeclared crate or module `tree`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these enums
[INFO] [stdout]    |
[INFO] [stdout] 4  + use crate::json::Value;
[INFO] [stdout]    |
[INFO] [stdout] 4  + use crudite::json::Value;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Value`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 19 -                     item: tree::Value::Collection(Id { num: 1 }),
[INFO] [stdout] 19 +                     item: Value::Collection(Id { num: 1 }),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tree`
[INFO] [stdout]   --> benches/long_string.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 edits: vec![black_box(tree::Edit::TextInsert {
[INFO] [stdout]    |                                       ^^^^ use of undeclared crate or module `tree`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these enums
[INFO] [stdout]    |
[INFO] [stdout] 4  + use crate::json::Edit;
[INFO] [stdout]    |
[INFO] [stdout] 4  + use crudite::json::Edit;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Edit`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 28 -                 edits: vec![black_box(tree::Edit::TextInsert {
[INFO] [stdout] 28 +                 edits: vec![black_box(Edit::TextInsert {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crudite` (bench "long_string") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]    --> src/json/tree.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct Tree<Id: Hash + Clone + Eq + Debug> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 105 |     root: Id,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Tree` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e4dd01c35e58b00f8c0cc832eb07cf004a2827813907c78bd53ae7e521b4ea11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4dd01c35e58b00f8c0cc832eb07cf004a2827813907c78bd53ae7e521b4ea11", kill_on_drop: false }`
[INFO] [stdout] e4dd01c35e58b00f8c0cc832eb07cf004a2827813907c78bd53ae7e521b4ea11
