[INFO] fetching crate hessian_rs 0.0.1...
[INFO] testing hessian_rs-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate hessian_rs 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hessian_rs 0.0.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 0607859ef211d5b966df70fbc5144370c58b0a53f54f42816147a8d98b5d3ac1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0607859ef211d5b966df70fbc5144370c58b0a53f54f42816147a8d98b5d3ac1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling 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: 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: associated function is never used: `error`
[INFO] [stderr]   --> src/de.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn error<T>(&self, err: ErrorCode)-> Result<T>{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_byte`
[INFO] [stderr]   --> src/de.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn read_byte(&mut self) -> Result<u8> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_bytes`
[INFO] [stderr]   --> src/de.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn read_bytes(&mut self, n: usize) -> Result<Vec<u8>>{
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_value`
[INFO] [stderr]   --> src/de.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn read_value(&mut self) -> Result<Value> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this arithmetic operation will overflow
[INFO] [stderr]   --> src/ser.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |             vec![(v >> 8 + 0xc8) as u8, (v & 0xff) as u8]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ attempt to shift right with overflow
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(arithmetic_overflow)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this arithmetic operation will overflow
[INFO] [stderr]   --> src/ser.rs:69:18
[INFO] [stderr]    |
[INFO] [stderr] 69 |             vec![(v >> 16 + 0xd4) as u8, (v >> 8 & 0xff) as u8, (v & 0xff) as u8]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ attempt to shift right with overflow
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "0607859ef211d5b966df70fbc5144370c58b0a53f54f42816147a8d98b5d3ac1"`
[INFO] running `"docker" "rm" "-f" "0607859ef211d5b966df70fbc5144370c58b0a53f54f42816147a8d98b5d3ac1"`
[INFO] [stdout] 0607859ef211d5b966df70fbc5144370c58b0a53f54f42816147a8d98b5d3ac1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a1dd982d2bd733b8f1e289a0e9bcc8c7be12435a09e523c100f9b6ef1647a51a
[INFO] running `"docker" "start" "-a" "a1dd982d2bd733b8f1e289a0e9bcc8c7be12435a09e523c100f9b6ef1647a51a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling 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: 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: associated function is never used: `error`
[INFO] [stderr]   --> src/de.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn error<T>(&self, err: ErrorCode)-> Result<T>{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_byte`
[INFO] [stderr]   --> src/de.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn read_byte(&mut self) -> Result<u8> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_bytes`
[INFO] [stderr]   --> src/de.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn read_bytes(&mut self, n: usize) -> Result<Vec<u8>>{
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_value`
[INFO] [stderr]   --> src/de.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn read_value(&mut self) -> Result<Value> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this arithmetic operation will overflow
[INFO] [stderr]   --> src/ser.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |             vec![(v >> 8 + 0xc8) as u8, (v & 0xff) as u8]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ attempt to shift right with overflow
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(arithmetic_overflow)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this arithmetic operation will overflow
[INFO] [stderr]   --> src/ser.rs:69:18
[INFO] [stderr]    |
[INFO] [stderr] 69 |             vec![(v >> 16 + 0xd4) as u8, (v >> 8 & 0xff) as u8, (v & 0xff) as u8]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ attempt to shift right with overflow
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[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: associated function is never used: `error`
[INFO] [stderr]   --> src/de.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn error<T>(&self, err: ErrorCode)-> Result<T>{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_byte`
[INFO] [stderr]   --> src/de.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn read_byte(&mut self) -> Result<u8> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_bytes`
[INFO] [stderr]   --> src/de.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn read_bytes(&mut self, n: usize) -> Result<Vec<u8>>{
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_value`
[INFO] [stderr]   --> src/de.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn read_value(&mut self) -> Result<Value> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "a1dd982d2bd733b8f1e289a0e9bcc8c7be12435a09e523c100f9b6ef1647a51a"`
[INFO] running `"docker" "rm" "-f" "a1dd982d2bd733b8f1e289a0e9bcc8c7be12435a09e523c100f9b6ef1647a51a"`
[INFO] [stdout] a1dd982d2bd733b8f1e289a0e9bcc8c7be12435a09e523c100f9b6ef1647a51a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e24ca9e6e1caa1142b58dfb1d1243a290c7d3a1a68865b4c84dfb2a28be4000a
[INFO] running `"docker" "start" "-a" "e24ca9e6e1caa1142b58dfb1d1243a290c7d3a1a68865b4c84dfb2a28be4000a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: associated function is never used: `error`
[INFO] [stderr]   --> src/de.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn error<T>(&self, err: ErrorCode)-> Result<T>{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_byte`
[INFO] [stderr]   --> src/de.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn read_byte(&mut self) -> Result<u8> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_bytes`
[INFO] [stderr]   --> src/de.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn read_bytes(&mut self, n: usize) -> Result<Vec<u8>>{
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_value`
[INFO] [stderr]   --> src/de.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn read_value(&mut self) -> Result<Value> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[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: associated function is never used: `error`
[INFO] [stderr]   --> src/de.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn error<T>(&self, err: ErrorCode)-> Result<T>{
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_byte`
[INFO] [stderr]   --> src/de.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn read_byte(&mut self) -> Result<u8> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_bytes`
[INFO] [stderr]   --> src/de.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn read_bytes(&mut self, n: usize) -> Result<Vec<u8>>{
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read_value`
[INFO] [stderr]   --> src/de.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn read_value(&mut self) -> Result<Value> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this arithmetic operation will overflow
[INFO] [stderr]   --> src/ser.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |             vec![(v >> 8 + 0xc8) as u8, (v & 0xff) as u8]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ attempt to shift right with overflow
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(arithmetic_overflow)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this arithmetic operation will overflow
[INFO] [stderr]   --> src/ser.rs:69:18
[INFO] [stderr]    |
[INFO] [stderr] 69 |             vec![(v >> 16 + 0xd4) as u8, (v >> 8 & 0xff) as u8, (v & 0xff) as u8]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^ attempt to shift right with overflow
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hessian_rs-7f07b55f971d24f7
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test de::tests::test_short_binary ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hessian_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e24ca9e6e1caa1142b58dfb1d1243a290c7d3a1a68865b4c84dfb2a28be4000a"`
[INFO] running `"docker" "rm" "-f" "e24ca9e6e1caa1142b58dfb1d1243a290c7d3a1a68865b4c84dfb2a28be4000a"`
[INFO] [stdout] e24ca9e6e1caa1142b58dfb1d1243a290c7d3a1a68865b4c84dfb2a28be4000a