[INFO] updating cached repository EthanTheMaster/qr-transmitter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/EthanTheMaster/qr-transmitter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/EthanTheMaster/qr-transmitter" "work/ex/beta-1.38-1/sources/1.37.0/gh/EthanTheMaster/qr-transmitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/EthanTheMaster/qr-transmitter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/EthanTheMaster/qr-transmitter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EthanTheMaster/qr-transmitter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EthanTheMaster/qr-transmitter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fdc7f3048053444640b2ccfb65b1699ff79688ef
[INFO] sha for GitHub repo EthanTheMaster/qr-transmitter: fdc7f3048053444640b2ccfb65b1699ff79688ef
[INFO] validating manifest of EthanTheMaster/qr-transmitter 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 EthanTheMaster/qr-transmitter 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 EthanTheMaster/qr-transmitter
[INFO] finished frobbing EthanTheMaster/qr-transmitter
[INFO] frobbed toml for EthanTheMaster/qr-transmitter written to work/ex/beta-1.38-1/sources/1.37.0/gh/EthanTheMaster/qr-transmitter/Cargo.toml
[INFO] started frobbing EthanTheMaster/qr-transmitter
[INFO] finished frobbing EthanTheMaster/qr-transmitter
[INFO] frobbed toml for EthanTheMaster/qr-transmitter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/EthanTheMaster/qr-transmitter/Cargo.toml
[INFO] crate EthanTheMaster/qr-transmitter 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] testing EthanTheMaster/qr-transmitter 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EthanTheMaster/qr-transmitter:/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] 7be0e538d5c065e84d02cd014a6c1edb88bff325b9a41a3fd78e21f79b65367c
[INFO] running `"docker" "start" "-a" "7be0e538d5c065e84d02cd014a6c1edb88bff325b9a41a3fd78e21f79b65367c"`
[INFO] [stderr]    Compiling interpolation v0.2.0
[INFO] [stderr]    Compiling checked_int_cast v1.0.0
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling rusttype v0.7.4
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling andrew v0.1.6
[INFO] [stderr]    Compiling piston2d-graphics v0.30.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling wayland-commons v0.21.11
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling pistoncore-input v0.24.0
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]    Compiling pistoncore-window v0.36.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.41.0
[INFO] [stderr]    Compiling piston v0.41.0
[INFO] [stderr]    Compiling qrcode v0.6.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.4
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling piston-gfx_texture v0.35.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.56.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.53.1
[INFO] [stderr]    Compiling piston_window v0.88.0
[INFO] [stderr]    Compiling qr_transmit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `qrcode::Version`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use qrcode::Version;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:71:52
[INFO] [stderr]    |
[INFO] [stderr] 71 |                                 combined_packets = (value as u32);
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/main.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |             thread::sleep_ms(60);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]   --> src/main.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 let mut value = 0.0;
[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: unused variable: `n`
[INFO] [stderr]   --> src/lt_code.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let n = chunk_size;
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let mut fountain = lt_code::Fountain::new( message.as_ref(), size as u32, c,delta);
[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 `S` should have a snake case name
[INFO] [stderr]   --> src/lt_code.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let S = c * (chunk_size as f64).powf(0.5) * ((chunk_size as f64) / delta).ln();
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 51s
[INFO] running `"docker" "inspect" "7be0e538d5c065e84d02cd014a6c1edb88bff325b9a41a3fd78e21f79b65367c"`
[INFO] running `"docker" "rm" "-f" "7be0e538d5c065e84d02cd014a6c1edb88bff325b9a41a3fd78e21f79b65367c"`
[INFO] [stdout] 7be0e538d5c065e84d02cd014a6c1edb88bff325b9a41a3fd78e21f79b65367c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EthanTheMaster/qr-transmitter:/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] 9fdf46987c62c26b948d20d934e709a79f6a7f0d7972de31a5e737408228f9b5
[INFO] running `"docker" "start" "-a" "9fdf46987c62c26b948d20d934e709a79f6a7f0d7972de31a5e737408228f9b5"`
[INFO] [stderr]    Compiling qr_transmit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `qrcode::Version`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use qrcode::Version;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/main.rs:71:52
[INFO] [stderr]    |
[INFO] [stderr] 71 |                                 combined_packets = (value as u32);
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/main.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |             thread::sleep_ms(60);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]   --> src/main.rs:41:25
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 let mut value = 0.0;
[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: unused variable: `n`
[INFO] [stderr]   --> src/lt_code.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let n = chunk_size;
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let mut fountain = lt_code::Fountain::new( message.as_ref(), size as u32, c,delta);
[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 `S` should have a snake case name
[INFO] [stderr]   --> src/lt_code.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let S = c * (chunk_size as f64).powf(0.5) * ((chunk_size as f64) / delta).ln();
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "9fdf46987c62c26b948d20d934e709a79f6a7f0d7972de31a5e737408228f9b5"`
[INFO] running `"docker" "rm" "-f" "9fdf46987c62c26b948d20d934e709a79f6a7f0d7972de31a5e737408228f9b5"`
[INFO] [stdout] 9fdf46987c62c26b948d20d934e709a79f6a7f0d7972de31a5e737408228f9b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/EthanTheMaster/qr-transmitter:/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] b1b660b3f61d164c14e64e3955a2f74531de5a484353da5488cbaa8e237c44e7
[INFO] running `"docker" "start" "-a" "b1b660b3f61d164c14e64e3955a2f74531de5a484353da5488cbaa8e237c44e7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/qr_transmit-09d81f2153dfb9d9
[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" "b1b660b3f61d164c14e64e3955a2f74531de5a484353da5488cbaa8e237c44e7"`
[INFO] running `"docker" "rm" "-f" "b1b660b3f61d164c14e64e3955a2f74531de5a484353da5488cbaa8e237c44e7"`
[INFO] [stdout] b1b660b3f61d164c14e64e3955a2f74531de5a484353da5488cbaa8e237c44e7