[INFO] cloning repository https://github.com/doge0420/QR-code-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/doge0420/QR-code-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoge0420%2FQR-code-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoge0420%2FQR-code-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3759caad7989e89a39b16e22549c675e4125688
[INFO] checking doge0420/QR-code-generator/b3759caad7989e89a39b16e22549c675e4125688 against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdoge0420%2FQR-code-generator" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/doge0420/QR-code-generator on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/doge0420/QR-code-generator
[INFO] finished tweaking git repo https://github.com/doge0420/QR-code-generator
[INFO] tweaked toml for git repo https://github.com/doge0420/QR-code-generator written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/doge0420/QR-code-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kanji v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff02f1da48f0445b961755148fb09a709d9380693f388c3f933e1f0f97353e68
[INFO] running `Command { std: "docker" "start" "-a" "ff02f1da48f0445b961755148fb09a709d9380693f388c3f933e1f0f97353e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff02f1da48f0445b961755148fb09a709d9380693f388c3f933e1f0f97353e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff02f1da48f0445b961755148fb09a709d9380693f388c3f933e1f0f97353e68", kill_on_drop: false }`
[INFO] [stdout] ff02f1da48f0445b961755148fb09a709d9380693f388c3f933e1f0f97353e68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 510be967331debee17689faf276f2e4e4d541434689bb1e545f3a64b9efe6be4
[INFO] running `Command { std: "docker" "start" "-a" "510be967331debee17689faf276f2e4e4d541434689bb1e545f3a64b9efe6be4", kill_on_drop: false }`
[INFO] [stderr]     Checking kanji v2.0.0
[INFO] [stderr]     Checking qrcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Q`, `M`, and `L` are never constructed
[INFO] [stdout]  --> src/ec.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum EcLevel {
[INFO] [stdout]   |          ------- variants in this enum
[INFO] [stdout] 5 |     H,
[INFO] [stdout] 6 |     Q,
[INFO] [stdout]   |     ^
[INFO] [stdout] 7 |     M,
[INFO] [stdout]   |     ^
[INFO] [stdout] 8 |     L,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `EcLevel` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_bits_str` is never used
[INFO] [stdout]  --> src/encoding.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn to_bits_str(data: &str) -> Vec<Bit> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Numeric`, `Alphanumeric`, and `Kanji` are never constructed
[INFO] [stdout]   --> src/encoding.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub enum Encoding {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 43 |     Numeric,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 44 |     Alphanumeric,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 45 |     Byte,
[INFO] [stdout] 46 |     Kanji,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Encoding` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/mask.rs:3:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum MaskPattern {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 3  |     Checkerboard,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 4  |     Horizontal,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 5  |     Vertical,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 6  |     Diagonal,
[INFO] [stdout] 7  |     LargeCheckerboard,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8  |     Fields,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     Diamonds,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     Meadow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaskPattern` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `encoding` is never read
[INFO] [stdout]   --> src/qrcode.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct QrCode {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     encoding: Encoding,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `coords_to_index_from_version` is never used
[INFO] [stdout]   --> src/qrcode.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl QrCode {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn coords_to_index_from_version(x: u32, y: u32, version: u8) -> Option<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SIZE_EC_L` is never used
[INFO] [stdout]   --> src/tables.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) static SIZE_EC_L: [u32; 40] = [
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SIZE_EC_M` is never used
[INFO] [stdout]   --> src/tables.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) static SIZE_EC_M: [u32; 40] = [
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SIZE_EC_Q` is never used
[INFO] [stdout]   --> src/tables.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub(crate) static SIZE_EC_Q: [u32; 40] = [
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SIZE_EC_H` is never used
[INFO] [stdout]   --> src/tables.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub(crate) static SIZE_EC_H: [u32; 40] = [
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_bits_str` is never used
[INFO] [stdout]  --> src/encoding.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn to_bits_str(data: &str) -> Vec<Bit> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Numeric` and `Kanji` are never constructed
[INFO] [stdout]   --> src/encoding.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub enum Encoding {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 43 |     Numeric,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     Kanji,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Encoding` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Horizontal`, `Vertical`, `LargeCheckerboard`, `Fields`, `Diamonds`, and `Meadow` are never constructed
[INFO] [stdout]   --> src/mask.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum MaskPattern {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 3  |     Checkerboard,
[INFO] [stdout] 4  |     Horizontal,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 5  |     Vertical,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 6  |     Diagonal,
[INFO] [stdout] 7  |     LargeCheckerboard,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8  |     Fields,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 9  |     Diamonds,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     Meadow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MaskPattern` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `encoding` is never read
[INFO] [stdout]   --> src/qrcode.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct QrCode {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     encoding: Encoding,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `coords_to_index_from_version` is never used
[INFO] [stdout]   --> src/qrcode.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl QrCode {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn coords_to_index_from_version(x: u32, y: u32, version: u8) -> Option<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SIZE_EC_L` is never used
[INFO] [stdout]   --> src/tables.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) static SIZE_EC_L: [u32; 40] = [
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SIZE_EC_M` is never used
[INFO] [stdout]   --> src/tables.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub(crate) static SIZE_EC_M: [u32; 40] = [
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SIZE_EC_Q` is never used
[INFO] [stdout]   --> src/tables.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub(crate) static SIZE_EC_Q: [u32; 40] = [
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `SIZE_EC_H` is never used
[INFO] [stdout]   --> src/tables.rs:35:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub(crate) static SIZE_EC_H: [u32; 40] = [
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "510be967331debee17689faf276f2e4e4d541434689bb1e545f3a64b9efe6be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "510be967331debee17689faf276f2e4e4d541434689bb1e545f3a64b9efe6be4", kill_on_drop: false }`
[INFO] [stdout] 510be967331debee17689faf276f2e4e4d541434689bb1e545f3a64b9efe6be4