[INFO] crate hessian_rs 0.0.1 is already in cache
[INFO] checking hessian_rs-0.0.1 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate hessian_rs 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate hessian_rs 0.0.1 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hessian_rs 0.0.1
[INFO] finished tweaking crates.io crate hessian_rs 0.0.1
[INFO] tweaked toml for crates.io crate hessian_rs 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ef9c418f044547a3b01dbd02aabdf3d2cd920e53da60c19f90e91a920f79b32
[INFO] running `"docker" "start" "-a" "7ef9c418f044547a3b01dbd02aabdf3d2cd920e53da60c19f90e91a920f79b32"`
[INFO] [stderr]     Checking hessian_rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/de.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::result`
[INFO] [stderr]  --> src/de.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::result;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]  --> src/ser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::borrow::BorrowMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::slice::Chunks`
[INFO] [stderr]  --> src/ser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::slice::Chunks;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/de.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::result`
[INFO] [stderr]  --> src/de.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::result;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]  --> src/ser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::borrow::BorrowMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::slice::Chunks`
[INFO] [stderr]  --> src/ser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::slice::Chunks;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `buffer`
[INFO] [stderr]   --> src/de.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     buffer: BufReader<R>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pos`
[INFO] [stderr]   --> src/de.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pos: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `references`
[INFO] [stderr]   --> src/de.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     references: BTreeMap<MemoId, Value>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `error`
[INFO] [stderr]   --> src/de.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn error<T>(&self, err: ErrorCode)-> Result<T>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_byte`
[INFO] [stderr]   --> src/de.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn read_byte(&mut self) -> Result<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_bytes`
[INFO] [stderr]   --> src/de.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn read_bytes(&mut self, n: usize) -> Result<Vec<u8>>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_value`
[INFO] [stderr]   --> src/de.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn read_value(&mut self) -> Result<Value> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `buffer`
[INFO] [stderr]   --> src/de.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     buffer: BufReader<R>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pos`
[INFO] [stderr]   --> src/de.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pos: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `references`
[INFO] [stderr]   --> src/de.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     references: BTreeMap<MemoId, Value>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `error`
[INFO] [stderr]   --> src/de.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn error<T>(&self, err: ErrorCode)-> Result<T>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_byte`
[INFO] [stderr]   --> src/de.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn read_byte(&mut self) -> Result<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_bytes`
[INFO] [stderr]   --> src/de.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn read_bytes(&mut self, n: usize) -> Result<Vec<u8>>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_value`
[INFO] [stderr]   --> src/de.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn read_value(&mut self) -> Result<Value> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "7ef9c418f044547a3b01dbd02aabdf3d2cd920e53da60c19f90e91a920f79b32"`
[INFO] running `"docker" "rm" "-f" "7ef9c418f044547a3b01dbd02aabdf3d2cd920e53da60c19f90e91a920f79b32"`
[INFO] [stdout] 7ef9c418f044547a3b01dbd02aabdf3d2cd920e53da60c19f90e91a920f79b32