[INFO] cloning repository https://github.com/rednayan/ser-xml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rednayan/ser-xml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednayan%2Fser-xml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednayan%2Fser-xml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ef948c9f5b0b81032298ab05ecc4d77431433d2
[INFO] checking rednayan/ser-xml against try#3c75d5844aa65b4aa19243ac44ceda49fe4e61ca for pr-143545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednayan%2Fser-xml" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rednayan/ser-xml
[INFO] finished tweaking git repo https://github.com/rednayan/ser-xml
[INFO] tweaked toml for git repo https://github.com/rednayan/ser-xml written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rednayan/ser-xml on toolchain 3c75d5844aa65b4aa19243ac44ceda49fe4e61ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rednayan/ser-xml 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" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d58456df901dc705f018138689bb5535f26fab2310a78ddcb126b95d440576fa
[INFO] running `Command { std: "docker" "start" "-a" "d58456df901dc705f018138689bb5535f26fab2310a78ddcb126b95d440576fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d58456df901dc705f018138689bb5535f26fab2310a78ddcb126b95d440576fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58456df901dc705f018138689bb5535f26fab2310a78ddcb126b95d440576fa", kill_on_drop: false }`
[INFO] [stdout] d58456df901dc705f018138689bb5535f26fab2310a78ddcb126b95d440576fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fc32773ae37bb7606e758fa2f4ea7571857b2bb02ec12a48138bd290cb78384
[INFO] running `Command { std: "docker" "start" "-a" "6fc32773ae37bb7606e758fa2f4ea7571857b2bb02ec12a48138bd290cb78384", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking chunked_transfer v1.4.1
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking tiny_http v0.12.0
[INFO] [stderr]     Checking seroost v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `doc_content`
[INFO] [stdout]   --> src/main.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn index_document(doc_content: &str) -> HashMap<String, usize> {
[INFO] [stdout]    |                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_content`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `doc_content`
[INFO] [stdout]   --> src/main.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn index_document(doc_content: &str) -> HashMap<String, usize> {
[INFO] [stdout]    |                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_content`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_document` is never used
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn index_document(doc_content: &str) -> HashMap<String, usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_document` is never used
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn index_document(doc_content: &str) -> HashMap<String, usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "6fc32773ae37bb7606e758fa2f4ea7571857b2bb02ec12a48138bd290cb78384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc32773ae37bb7606e758fa2f4ea7571857b2bb02ec12a48138bd290cb78384", kill_on_drop: false }`
[INFO] [stdout] 6fc32773ae37bb7606e758fa2f4ea7571857b2bb02ec12a48138bd290cb78384