[INFO] cloning repository https://github.com/baraths99/json_parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baraths99/json_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaraths99%2Fjson_parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaraths99%2Fjson_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cc0257c0a32bea82c70d505d24dc5550acb5331
[INFO] checking baraths99/json_parser against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaraths99%2Fjson_parser" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/baraths99/json_parser
[INFO] finished tweaking git repo https://github.com/baraths99/json_parser
[INFO] tweaked toml for git repo https://github.com/baraths99/json_parser written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/baraths99/json_parser on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/baraths99/json_parser 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4e6ce6a32f91c7556feb2faf685c80fd7f37cc74ca9a0cfb861c99904079ce1
[INFO] running `Command { std: "docker" "start" "-a" "f4e6ce6a32f91c7556feb2faf685c80fd7f37cc74ca9a0cfb861c99904079ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e6ce6a32f91c7556feb2faf685c80fd7f37cc74ca9a0cfb861c99904079ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e6ce6a32f91c7556feb2faf685c80fd7f37cc74ca9a0cfb861c99904079ce1", kill_on_drop: false }`
[INFO] [stdout] f4e6ce6a32f91c7556feb2faf685c80fd7f37cc74ca9a0cfb861c99904079ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0703ca8471d0c973214c1ac23e8f14daa07ac25e29d7b0e51552d794ec803213
[INFO] running `Command { std: "docker" "start" "-a" "0703ca8471d0c973214c1ac23e8f14daa07ac25e29d7b0e51552d794ec803213", kill_on_drop: false }`
[INFO] [stderr]     Checking soln v0.1.0 (/opt/rustwide/workdir/soln)
[INFO] [stdout] warning: unused imports: `JsonValue` and `parse`
[INFO] [stdout]  --> soln/src/test.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{parse,JsonValue};
[INFO] [stdout]   |             ^^^^^ ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> soln/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> soln/src/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> soln/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "0703ca8471d0c973214c1ac23e8f14daa07ac25e29d7b0e51552d794ec803213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0703ca8471d0c973214c1ac23e8f14daa07ac25e29d7b0e51552d794ec803213", kill_on_drop: false }`
[INFO] [stdout] 0703ca8471d0c973214c1ac23e8f14daa07ac25e29d7b0e51552d794ec803213