[INFO] crate qr-encode 0.1.9 is already in cache
[INFO] extracting crate qr-encode 0.1.9 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/qr-encode/0.1.9
[INFO] extracting crate qr-encode 0.1.9 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/qr-encode/0.1.9
[INFO] validating manifest of qr-encode-0.1.9 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of qr-encode-0.1.9 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing qr-encode-0.1.9
[INFO] finished frobbing qr-encode-0.1.9
[INFO] frobbed toml for qr-encode-0.1.9 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/qr-encode/0.1.9/Cargo.toml
[INFO] started frobbing qr-encode-0.1.9
[INFO] finished frobbing qr-encode-0.1.9
[INFO] frobbed toml for qr-encode-0.1.9 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/qr-encode/0.1.9/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking qr-encode-0.1.9 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-7/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/qr-encode/0.1.9:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a787cc53e1c19f4435aebe73e4ca7bf07dd5c9f0e1ab72bf38b2efeb9d863e72
[INFO] running `"docker" "start" "-a" "a787cc53e1c19f4435aebe73e4ca7bf07dd5c9f0e1ab72bf38b2efeb9d863e72"`
[INFO] [stderr]     Checking reed-solomon v0.2.1
[INFO] [stderr]     Checking qr-encode v0.1.9 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `CellType`, `Color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     CellType,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 5 |     Color
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `get_index_value`, `set_color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | use qr_encoder::util::{set_color, get_index_value};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BitXorAssign`
[INFO] [stderr]  --> src/qr_encoder/config.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{BitXorAssign};
[INFO] [stderr]   |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Binary`, `Debug`
[INFO] [stderr]  --> src/qr_encoder/config.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{Binary, Debug};
[INFO] [stderr]   |                ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CellType`, `Color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     CellType,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 5 |     Color
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `get_index_value`, `set_color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | use qr_encoder::util::{set_color, get_index_value};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BitXorAssign`
[INFO] [stderr]  --> src/qr_encoder/config.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{BitXorAssign};
[INFO] [stderr]   |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Binary`, `Debug`
[INFO] [stderr]  --> src/qr_encoder/config.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{Binary, Debug};
[INFO] [stderr]   |                ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `second_byte` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:634:21
[INFO] [stderr]     |
[INFO] [stderr] 634 |             let mut second_byte: u8 = data_length as u8;
[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: value assigned to `end_y` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:839:17
[INFO] [stderr]     |
[INFO] [stderr] 839 |         let mut end_y = 0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `second_byte` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:634:21
[INFO] [stderr]     |
[INFO] [stderr] 634 |             let mut second_byte: u8 = data_length as u8;
[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: value assigned to `end_y` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:839:17
[INFO] [stderr]     |
[INFO] [stderr] 839 |         let mut end_y = 0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CellType`, `Color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     CellType,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 5 |     Color
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `get_index_value`, `set_color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | use qr_encoder::util::{set_color, get_index_value};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BitXorAssign`
[INFO] [stderr]  --> src/qr_encoder/config.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{BitXorAssign};
[INFO] [stderr]   |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Binary`, `Debug`
[INFO] [stderr]  --> src/qr_encoder/config.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{Binary, Debug};
[INFO] [stderr]   |                ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CellType`, `Cell`, `Color`
[INFO] [stderr]  --> src/main.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 | use qr_encoder::cell::{Cell, CellType, Color};
[INFO] [stderr]   |                        ^^^^  ^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CellType`, `Color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     CellType,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 5 |     Color
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `get_index_value`, `set_color`
[INFO] [stderr]  --> src/qr_encoder/qr.rs:9:24
[INFO] [stderr]   |
[INFO] [stderr] 9 | use qr_encoder::util::{set_color, get_index_value};
[INFO] [stderr]   |                        ^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BitXorAssign`
[INFO] [stderr]  --> src/qr_encoder/config.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{BitXorAssign};
[INFO] [stderr]   |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Binary`, `Debug`
[INFO] [stderr]  --> src/qr_encoder/config.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{Binary, Debug};
[INFO] [stderr]   |                ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `CellType`, `Cell`, `Color`
[INFO] [stderr]  --> src/main.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 | use qr_encoder::cell::{Cell, CellType, Color};
[INFO] [stderr]   |                        ^^^^  ^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tracker`
[INFO] [stderr]   --> src/main.rs:58:18
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let (canvas, tracker) = config.gen_qr_code();
[INFO] [stderr]    |                  ^^^^^^^ help: consider prefixing with an underscore: `_tracker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `second_byte` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:634:21
[INFO] [stderr]     |
[INFO] [stderr] 634 |             let mut second_byte: u8 = data_length as u8;
[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: value assigned to `end_y` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:839:17
[INFO] [stderr]     |
[INFO] [stderr] 839 |         let mut end_y = 0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             image_lib::ImageRgba8(img).save(&path);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tracker`
[INFO] [stderr]   --> src/main.rs:58:18
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let (canvas, tracker) = config.gen_qr_code();
[INFO] [stderr]    |                  ^^^^^^^ help: consider prefixing with an underscore: `_tracker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `second_byte` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:634:21
[INFO] [stderr]     |
[INFO] [stderr] 634 |             let mut second_byte: u8 = data_length as u8;
[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: value assigned to `end_y` is never read
[INFO] [stderr]    --> src/qr_encoder/config.rs:839:17
[INFO] [stderr]     |
[INFO] [stderr] 839 |         let mut end_y = 0;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |             image_lib::ImageRgba8(img).save(&path);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `"docker" "inspect" "a787cc53e1c19f4435aebe73e4ca7bf07dd5c9f0e1ab72bf38b2efeb9d863e72"`
[INFO] running `"docker" "rm" "-f" "a787cc53e1c19f4435aebe73e4ca7bf07dd5c9f0e1ab72bf38b2efeb9d863e72"`
[INFO] [stdout] a787cc53e1c19f4435aebe73e4ca7bf07dd5c9f0e1ab72bf38b2efeb9d863e72