[INFO] fetching crate img2text 0.2.0... [INFO] checking img2text-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate img2text 0.2.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate img2text 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain [INFO] started tweaking crates.io crate img2text 0.2.0 [INFO] finished tweaking crates.io crate img2text 0.2.0 [INFO] tweaked toml for crates.io crate img2text 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate img2text 0.2.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-complex v0.4.2 [INFO] [stderr] Downloaded paste v1.0.7 [INFO] [stderr] Downloaded console v0.13.0 [INFO] [stderr] Downloaded clap_lex v0.2.3 [INFO] [stderr] Downloaded simba v0.7.1 [INFO] [stderr] Downloaded matrixmultiply v0.3.2 [INFO] [stderr] Downloaded clap_derive v3.2.6 [INFO] [stderr] Downloaded safe_arch v0.6.0 [INFO] [stderr] Downloaded weezl v0.1.6 [INFO] [stderr] Downloaded wide v0.7.4 [INFO] [stderr] Downloaded image v0.24.2 [INFO] [stderr] Downloaded clap v3.2.6 [INFO] [stderr] Downloaded jpeg-decoder v0.2.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0cc322f9cefbe94a484b622410a0131305a510dc45d000d3c61725114beffbc [INFO] running `Command { std: "docker" "start" "-a" "d0cc322f9cefbe94a484b622410a0131305a510dc45d000d3c61725114beffbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0cc322f9cefbe94a484b622410a0131305a510dc45d000d3c61725114beffbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0cc322f9cefbe94a484b622410a0131305a510dc45d000d3c61725114beffbc", kill_on_drop: false }` [INFO] [stdout] d0cc322f9cefbe94a484b622410a0131305a510dc45d000d3c61725114beffbc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 19e19de31d4227f40b93464dd279a67874ba07da09c9223f94b67b71cadcc733 [INFO] running `Command { std: "docker" "start" "-a" "19e19de31d4227f40b93464dd279a67874ba07da09c9223f94b67b71cadcc733", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking bytemuck v1.9.1 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking safe_arch v0.6.0 [INFO] [stderr] Checking deflate v1.0.0 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking weezl v0.1.6 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking wide v0.7.4 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking ttf-parser v0.6.2 [INFO] [stderr] Checking png v0.17.5 [INFO] [stderr] Checking gif v0.11.3 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking jpeg-decoder v0.2.6 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking hashbrown v0.12.1 [INFO] [stderr] Checking clap_lex v0.2.3 [INFO] [stderr] Checking conv v0.3.3 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking approx v0.5.1 [INFO] [stderr] Compiling img2text v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking owned_ttf_parser v0.6.0 [INFO] [stderr] Checking rusttype v0.9.2 [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/int.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub trait BinInteger: [INFO] [stdout] | ---------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 30 | fn trailing_zeros(&self) -> u32; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn leading_zeros(&self) -> u32; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn count_ones(&self) -> u32; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn bit_scan_forward(&self, start: u32) -> u32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn extract_u32(&self, range: ops::Range) -> u32; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn set_bit(&mut self, i: u32); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | fn clear_bit(&mut self, i: u32); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn checked_ceil_fix(self, fp: u32) -> Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn one_digits(&self) -> Self::OneDigits; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_power_of_two` is never used [INFO] [stdout] --> src/int.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 66 | pub trait BinUInteger: BinInteger { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 67 | /// Return `ture` if and only if `self == 2^k` for some `k`. [INFO] [stdout] 68 | fn is_power_of_two(&self) -> bool; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking simba v0.7.1 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking console v0.13.0 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking image v0.24.2 [INFO] [stderr] Compiling clap_derive v3.2.6 [INFO] [stderr] Compiling quickcheck_macros v1.0.0 [INFO] [stderr] Checking clap v3.2.6 [INFO] [stderr] Checking nalgebra v0.30.1 [INFO] [stderr] Checking imageproc v0.23.0 [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/int.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub trait BinInteger: [INFO] [stdout] | ---------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 30 | fn trailing_zeros(&self) -> u32; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn leading_zeros(&self) -> u32; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn count_ones(&self) -> u32; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn bit_scan_forward(&self, start: u32) -> u32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn extract_u32(&self, range: ops::Range) -> u32; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn get_bit(&self, i: u32) -> bool; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn set_bit(&mut self, i: u32); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | fn clear_bit(&mut self, i: u32); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn checked_ceil_fix(self, fp: u32) -> Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/int.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub trait BinInteger: [INFO] [stdout] | ---------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 30 | fn trailing_zeros(&self) -> u32; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn leading_zeros(&self) -> u32; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | fn count_ones(&self) -> u32; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 42 | fn bit_scan_forward(&self, start: u32) -> u32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn extract_u32(&self, range: ops::Range) -> u32; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | fn get_bit(&self, i: u32) -> bool; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn set_bit(&mut self, i: u32); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | fn clear_bit(&mut self, i: u32); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | fn checked_ceil_fix(self, fp: u32) -> Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | fn one_digits(&self) -> Self::OneDigits; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_power_of_two` is never used [INFO] [stdout] --> src/int.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 66 | pub trait BinUInteger: BinInteger { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] 67 | /// Return `ture` if and only if `self == 2^k` for some `k`. [INFO] [stdout] 68 | fn is_power_of_two(&self) -> bool; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.79s [INFO] running `Command { std: "docker" "inspect" "19e19de31d4227f40b93464dd279a67874ba07da09c9223f94b67b71cadcc733", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19e19de31d4227f40b93464dd279a67874ba07da09c9223f94b67b71cadcc733", kill_on_drop: false }` [INFO] [stdout] 19e19de31d4227f40b93464dd279a67874ba07da09c9223f94b67b71cadcc733