[INFO] updating cached repository denysvitali/barcode-reader
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/denysvitali/barcode-reader
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/denysvitali/barcode-reader" "work/ex/beta-1.38-1/sources/1.37.0/gh/denysvitali/barcode-reader"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/denysvitali/barcode-reader'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/denysvitali/barcode-reader" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/denysvitali/barcode-reader"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/denysvitali/barcode-reader'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c17b23bba00e83e1bb45303ebdeb58712afbf7d
[INFO] sha for GitHub repo denysvitali/barcode-reader: 5c17b23bba00e83e1bb45303ebdeb58712afbf7d
[INFO] validating manifest of denysvitali/barcode-reader on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of denysvitali/barcode-reader on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing denysvitali/barcode-reader
[INFO] finished frobbing denysvitali/barcode-reader
[INFO] frobbed toml for denysvitali/barcode-reader written to work/ex/beta-1.38-1/sources/1.37.0/gh/denysvitali/barcode-reader/Cargo.toml
[INFO] started frobbing denysvitali/barcode-reader
[INFO] finished frobbing denysvitali/barcode-reader
[INFO] frobbed toml for denysvitali/barcode-reader written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/denysvitali/barcode-reader/Cargo.toml
[INFO] crate denysvitali/barcode-reader already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing denysvitali/barcode-reader against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/denysvitali/barcode-reader:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 06cc2f479ddadc4dfe01ceca8ffbd300c457d3c6baf35f1757111f5c966b09d3
[INFO] running `"docker" "start" "-a" "06cc2f479ddadc4dfe01ceca8ffbd300c457d3c6baf35f1757111f5c966b09d3"`
[INFO] [stderr]    Compiling cc v1.0.2
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling futures v0.1.16
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling serde v1.0.16
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.5
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.20
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling tokio-io v0.1.3
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.7
[INFO] [stderr]    Compiling relay v0.1.0
[INFO] [stderr]    Compiling openssl v0.9.20
[INFO] [stderr]    Compiling tokio-core v0.1.10
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling native-tls v0.1.4
[INFO] [stderr]    Compiling tokio-tls v0.1.3
[INFO] [stderr]    Compiling hyper v0.11.6
[INFO] [stderr]    Compiling serde_json v1.0.4
[INFO] [stderr]    Compiling serde_yaml v0.7.1
[INFO] [stderr]    Compiling hyper-tls v0.1.2
[INFO] [stderr]    Compiling barcode-scanner v0.1.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 58.25s
[INFO] running `"docker" "inspect" "06cc2f479ddadc4dfe01ceca8ffbd300c457d3c6baf35f1757111f5c966b09d3"`
[INFO] running `"docker" "rm" "-f" "06cc2f479ddadc4dfe01ceca8ffbd300c457d3c6baf35f1757111f5c966b09d3"`
[INFO] [stdout] 06cc2f479ddadc4dfe01ceca8ffbd300c457d3c6baf35f1757111f5c966b09d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/denysvitali/barcode-reader:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3980ccc699973a49879617478473f435cce229b8312b9b78cfbefa59a1b1c5a1
[INFO] running `"docker" "start" "-a" "3980ccc699973a49879617478473f435cce229b8312b9b78cfbefa59a1b1c5a1"`
[INFO] [stderr]    Compiling barcode-scanner v0.1.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "3980ccc699973a49879617478473f435cce229b8312b9b78cfbefa59a1b1c5a1"`
[INFO] running `"docker" "rm" "-f" "3980ccc699973a49879617478473f435cce229b8312b9b78cfbefa59a1b1c5a1"`
[INFO] [stdout] 3980ccc699973a49879617478473f435cce229b8312b9b78cfbefa59a1b1c5a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/denysvitali/barcode-reader:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f49fdb19ea09e794da5a44ae4f5a3dfb7be483baf68d95ecf460afe6cc1fa675
[INFO] running `"docker" "start" "-a" "f49fdb19ea09e794da5a44ae4f5a3dfb7be483baf68d95ecf460afe6cc1fa675"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/barcode_scanner-61182c08aa22c8c9
[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" "f49fdb19ea09e794da5a44ae4f5a3dfb7be483baf68d95ecf460afe6cc1fa675"`
[INFO] running `"docker" "rm" "-f" "f49fdb19ea09e794da5a44ae4f5a3dfb7be483baf68d95ecf460afe6cc1fa675"`
[INFO] [stdout] f49fdb19ea09e794da5a44ae4f5a3dfb7be483baf68d95ecf460afe6cc1fa675