[INFO] cloning repository https://github.com/Hellx2/json-parser-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hellx2/json-parser-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHellx2%2Fjson-parser-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHellx2%2Fjson-parser-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f073f817631c7e89c8cbb90ab7eef9897c189fe1
[INFO] checking Hellx2/json-parser-rs against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHellx2%2Fjson-parser-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hellx2/json-parser-rs on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hellx2/json-parser-rs
[INFO] finished tweaking git repo https://github.com/Hellx2/json-parser-rs
[INFO] tweaked toml for git repo https://github.com/Hellx2/json-parser-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Hellx2/json-parser-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" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6fd97e74b7285b6911b76553790ee258173a861f0ac95878974ca158f1663c8
[INFO] running `Command { std: "docker" "start" "-a" "f6fd97e74b7285b6911b76553790ee258173a861f0ac95878974ca158f1663c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6fd97e74b7285b6911b76553790ee258173a861f0ac95878974ca158f1663c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fd97e74b7285b6911b76553790ee258173a861f0ac95878974ca158f1663c8", kill_on_drop: false }`
[INFO] [stdout] f6fd97e74b7285b6911b76553790ee258173a861f0ac95878974ca158f1663c8
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7c2c6bf447943dd303ddf279841606b64bbfb18b6d256675c6edb5ddc1e0275
[INFO] running `Command { std: "docker" "start" "-a" "c7c2c6bf447943dd303ddf279841606b64bbfb18b6d256675c6edb5ddc1e0275", kill_on_drop: false }`
[INFO] [stderr]     Checking json-parser-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `iter::FlatMap`
[INFO] [stdout]  --> src/lib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::BTreeMap, iter::FlatMap};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `From<BTreeMap<&str, JSONValue<'_>>>` for type `JSON<'_>`
[INFO] [stdout]   --> src/lib.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl<'a> From<JSONObject<'a>> for JSON<'a> {
[INFO] [stdout]    | ------------------------------------------ first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 68 | impl<'a> From<BTreeMap<&'a str, JSONValue<'a>>> for JSON<'a> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `JSON<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::FlatMap`
[INFO] [stdout]  --> src/lib.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::BTreeMap, iter::FlatMap};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:82:71
[INFO] [stdout]    |
[INFO] [stdout] 82 |         iter.into_iter().flat_map(|(k, v)| vec![(k, JSONValue::String(v))]).collect()
[INFO] [stdout]    |                                                     ----------------- ^- help: try using a conversion method: `.to_string()`
[INFO] [stdout]    |                                                     |                 |
[INFO] [stdout]    |                                                     |                 expected `String`, found `&str`
[INFO] [stdout]    |                                                     arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> src/lib.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0119]: conflicting implementations of trait `From<BTreeMap<&str, JSONValue<'_>>>` for type `JSON<'_>`
[INFO] [stdout]   --> src/lib.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl<'a> From<JSONObject<'a>> for JSON<'a> {
[INFO] [stdout]    | ------------------------------------------ first implementation here
[INFO] [stdout] ...
[INFO] [stdout] 68 | impl<'a> From<BTreeMap<&'a str, JSONValue<'a>>> for JSON<'a> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `JSON<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `split_once` found for enum `Option` in the current scope
[INFO] [stdout]   --> src/lib.rs:98:43
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let (k, v) = current_line.split_once(":").unwrap();
[INFO] [stdout]    |                                           ^^^^^^^^^^ method not found in `Option<&str>`
[INFO] [stdout]    |
[INFO] [stdout] note: the method `split_once` exists on the type `&str`
[INFO] [stdout]   --> /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/str/mod.rs:1748:5
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `&str` value, panicking if the value is an `Option::None`
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let (k, v) = current_line.expect("REASON").split_once(":").unwrap();
[INFO] [stdout]    |                                          +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0317]: `if` may be missing an `else` clause
[INFO] [stdout]    --> src/lib.rs:135:16
[INFO] [stdout]     |
[INFO] [stdout] 135 |           } else if input.starts_with("[") {
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 136 | |             todo!("Implement JSON array format")
[INFO] [stdout]     | |             ------------------------------------ found here
[INFO] [stdout] 137 | |         }
[INFO] [stdout]     | |_________^ expected `JSON<'_>`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `if` expressions without `else` evaluate to `()`
[INFO] [stdout]     = help: consider adding an `else` block that evaluates to the expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0119, E0308, E0317, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:82:71
[INFO] [stdout]    |
[INFO] [stdout] 82 |         iter.into_iter().flat_map(|(k, v)| vec![(k, JSONValue::String(v))]).collect()
[INFO] [stdout]    |                                                     ----------------- ^- help: try using a conversion method: `.to_string()`
[INFO] [stdout]    |                                                     |                 |
[INFO] [stdout]    |                                                     |                 expected `String`, found `&str`
[INFO] [stdout]    |                                                     arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> src/lib.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 6  |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json-parser-rs` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `split_once` found for enum `Option` in the current scope
[INFO] [stdout]   --> src/lib.rs:98:43
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let (k, v) = current_line.split_once(":").unwrap();
[INFO] [stdout]    |                                           ^^^^^^^^^^ method not found in `Option<&str>`
[INFO] [stdout]    |
[INFO] [stdout] note: the method `split_once` exists on the type `&str`
[INFO] [stdout]   --> /rustc/a3dffdb3a32d0dedc198f9de7d43173f3eb6727b/library/core/src/str/mod.rs:1748:5
[INFO] [stdout] help: consider using `Option::expect` to unwrap the `&str` value, panicking if the value is an `Option::None`
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let (k, v) = current_line.expect("REASON").split_once(":").unwrap();
[INFO] [stdout]    |                                          +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0317]: `if` may be missing an `else` clause
[INFO] [stdout]    --> src/lib.rs:135:16
[INFO] [stdout]     |
[INFO] [stdout] 135 |           } else if input.starts_with("[") {
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 136 | |             todo!("Implement JSON array format")
[INFO] [stdout]     | |             ------------------------------------ found here
[INFO] [stdout] 137 | |         }
[INFO] [stdout]     | |_________^ expected `JSON<'_>`, found `()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `if` expressions without `else` evaluate to `()`
[INFO] [stdout]     = help: consider adding an `else` block that evaluates to the expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0119, E0308, E0317, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json-parser-rs` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c7c2c6bf447943dd303ddf279841606b64bbfb18b6d256675c6edb5ddc1e0275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c2c6bf447943dd303ddf279841606b64bbfb18b6d256675c6edb5ddc1e0275", kill_on_drop: false }`
[INFO] [stdout] c7c2c6bf447943dd303ddf279841606b64bbfb18b6d256675c6edb5ddc1e0275
