[INFO] updating cached repository https://github.com/denysvitali/barcode-reader
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c17b23bba00e83e1bb45303ebdeb58712afbf7d
[INFO] checking denysvitali/barcode-reader against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenysvitali%2Fbarcode-reader" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denysvitali/barcode-reader on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/denysvitali/barcode-reader
[INFO] finished tweaking git repo https://github.com/denysvitali/barcode-reader
[INFO] tweaked toml for git repo https://github.com/denysvitali/barcode-reader written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/denysvitali/barcode-reader already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 697b05bbf9986dbfc475ca6cf50ebffb4c9e55bf2fb6037ab5966e3383e9ac91
[INFO] running `"docker" "start" "-a" "697b05bbf9986dbfc475ca6cf50ebffb4c9e55bf2fb6037ab5966e3383e9ac91"`
[INFO] [stderr]     Checking ioctl-rs v0.1.5
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]     Checking futures-cpupool v0.1.7
[INFO] [stderr]     Checking serde_yaml v0.7.1
[INFO] [stderr]     Checking native-tls v0.1.4
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking tokio-core v0.1.10
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-tls v0.1.3
[INFO] [stderr]     Checking hyper v0.11.6
[INFO] [stderr]     Checking hyper-tls v0.1.2
[INFO] [stderr]     Checking barcode-scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/main.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io::{self, Write, Read, ErrorKind};
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:99:60
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn testRequest(barcode: &str, key: &str) -> Result<(), Box<Error>>{
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]    --> src/main.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |     let mut s = String::new();
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut openfood_apikey : &str;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let mut json = r#"{
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pharmacode39`
[INFO] [stderr]  --> src/barcodes.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         Pharmacode39,
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `testRequest`
[INFO] [stderr]   --> src/main.rs:99:1
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn testRequest(barcode: &str, key: &str) -> Result<(), Box<Error>>{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `testRequest` should have a snake case name
[INFO] [stderr]   --> src/main.rs:99:4
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn testRequest(barcode: &str, key: &str) -> Result<(), Box<Error>>{
[INFO] [stderr]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `test_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/main.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::io::{self, Write, Read, ErrorKind};
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:99:60
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn testRequest(barcode: &str, key: &str) -> Result<(), Box<Error>>{
[INFO] [stderr]    |                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]    --> src/main.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |     let mut s = String::new();
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut openfood_apikey : &str;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let mut json = r#"{
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pharmacode39`
[INFO] [stderr]  --> src/barcodes.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         Pharmacode39,
[INFO] [stderr]   |         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `testRequest`
[INFO] [stderr]   --> src/main.rs:99:1
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn testRequest(barcode: &str, key: &str) -> Result<(), Box<Error>>{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `testRequest` should have a snake case name
[INFO] [stderr]   --> src/main.rs:99:4
[INFO] [stderr]    |
[INFO] [stderr] 99 | fn testRequest(barcode: &str, key: &str) -> Result<(), Box<Error>>{
[INFO] [stderr]    |    ^^^^^^^^^^^ help: convert the identifier to snake case: `test_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.35s
[INFO] running `"docker" "inspect" "697b05bbf9986dbfc475ca6cf50ebffb4c9e55bf2fb6037ab5966e3383e9ac91"`
[INFO] running `"docker" "rm" "-f" "697b05bbf9986dbfc475ca6cf50ebffb4c9e55bf2fb6037ab5966e3383e9ac91"`
[INFO] [stdout] 697b05bbf9986dbfc475ca6cf50ebffb4c9e55bf2fb6037ab5966e3383e9ac91