[INFO] cloning repository https://github.com/sjudin/rust-png-decoder [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjudin/rust-png-decoder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjudin%2Frust-png-decoder", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjudin%2Frust-png-decoder'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e0ab499bf1d698e120bd0b9fc7cc7ce01c42b427 [INFO] checking sjudin/rust-png-decoder against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjudin%2Frust-png-decoder" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sjudin/rust-png-decoder 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] started tweaking git repo https://github.com/sjudin/rust-png-decoder [INFO] finished tweaking git repo https://github.com/sjudin/rust-png-decoder [INFO] tweaked toml for git repo https://github.com/sjudin/rust-png-decoder written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sjudin/rust-png-decoder 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] da54164edabbf7c9ad52053f9eea0a90aa41ff325e06daaddf52af4cda61d040 [INFO] running `Command { std: "docker" "start" "-a" "da54164edabbf7c9ad52053f9eea0a90aa41ff325e06daaddf52af4cda61d040", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da54164edabbf7c9ad52053f9eea0a90aa41ff325e06daaddf52af4cda61d040", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da54164edabbf7c9ad52053f9eea0a90aa41ff325e06daaddf52af4cda61d040", kill_on_drop: false }` [INFO] [stdout] da54164edabbf7c9ad52053f9eea0a90aa41ff325e06daaddf52af4cda61d040 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 31d5f52d8b9bf3c28147545b9a6d8310356890b640c4d84a1a8c5a817d1b7069 [INFO] running `Command { std: "docker" "start" "-a" "31d5f52d8b9bf3c28147545b9a6d8310356890b640c4d84a1a8c5a817d1b7069", kill_on_drop: false }` [INFO] [stderr] Compiling target-lexicon v0.12.4 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling once_cell v1.13.0 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking unindent v0.1.9 [INFO] [stderr] Compiling indoc v1.0.6 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking parking_lot_core v0.9.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Compiling pyo3-build-config v0.16.5 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling pyo3-ffi v0.16.5 [INFO] [stderr] Compiling pyo3 v0.16.5 [INFO] [stderr] Compiling pyo3-macros-backend v0.16.5 [INFO] [stderr] Compiling pyo3-macros v0.16.5 [INFO] [stderr] Checking png_reader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parser.rs:63:15 [INFO] [stdout] | [INFO] [stdout] 63 | Ancillary(String), [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 | Ancillary(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `compression_method`, `filter_method`, and `interlace_method` are never read [INFO] [stdout] --> src/parser.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 148 | pub struct PngImage { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 153 | compression_method: CompressionMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 154 | filter_method: FilterMethod, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 155 | interlace_method: InterlaceMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PngImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parser.rs:63:15 [INFO] [stdout] | [INFO] [stdout] 63 | Ancillary(String), [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 | Ancillary(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `compression_method`, `filter_method`, and `interlace_method` are never read [INFO] [stdout] --> src/parser.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 148 | pub struct PngImage { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 153 | compression_method: CompressionMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 154 | filter_method: FilterMethod, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 155 | interlace_method: InterlaceMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PngImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.65s [INFO] running `Command { std: "docker" "inspect" "31d5f52d8b9bf3c28147545b9a6d8310356890b640c4d84a1a8c5a817d1b7069", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31d5f52d8b9bf3c28147545b9a6d8310356890b640c4d84a1a8c5a817d1b7069", kill_on_drop: false }` [INFO] [stdout] 31d5f52d8b9bf3c28147545b9a6d8310356890b640c4d84a1a8c5a817d1b7069 [INFO] checking sjudin/rust-png-decoder against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjudin%2Frust-png-decoder" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sjudin/rust-png-decoder on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sjudin/rust-png-decoder [INFO] finished tweaking git repo https://github.com/sjudin/rust-png-decoder [INFO] tweaked toml for git repo https://github.com/sjudin/rust-png-decoder written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sjudin/rust-png-decoder 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 23bc3eeb6fe4841007c4f3a54adf9a4c34d97a9894253ef9cced12c7f2c6aedb [INFO] running `Command { std: "docker" "start" "-a" "23bc3eeb6fe4841007c4f3a54adf9a4c34d97a9894253ef9cced12c7f2c6aedb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23bc3eeb6fe4841007c4f3a54adf9a4c34d97a9894253ef9cced12c7f2c6aedb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23bc3eeb6fe4841007c4f3a54adf9a4c34d97a9894253ef9cced12c7f2c6aedb", kill_on_drop: false }` [INFO] [stdout] 23bc3eeb6fe4841007c4f3a54adf9a4c34d97a9894253ef9cced12c7f2c6aedb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a28926d251ab1e931182deabe35c07aef45abd6f269c81a926965780d837ae78 [INFO] running `Command { std: "docker" "start" "-a" "a28926d251ab1e931182deabe35c07aef45abd6f269c81a926965780d837ae78", kill_on_drop: false }` [INFO] [stderr] Compiling target-lexicon v0.12.4 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling once_cell v1.13.0 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling indoc v1.0.6 [INFO] [stderr] Checking unindent v0.1.9 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking parking_lot_core v0.9.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling pyo3-build-config v0.16.5 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling pyo3-ffi v0.16.5 [INFO] [stderr] Compiling pyo3 v0.16.5 [INFO] [stderr] Compiling pyo3-macros-backend v0.16.5 [INFO] [stderr] Compiling pyo3-macros v0.16.5 [INFO] [stderr] Checking png_reader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parser.rs:63:15 [INFO] [stdout] | [INFO] [stdout] 63 | Ancillary(String), [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 | Ancillary(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `compression_method`, `filter_method`, and `interlace_method` are never read [INFO] [stdout] --> src/parser.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 148 | pub struct PngImage { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 153 | compression_method: CompressionMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 154 | filter_method: FilterMethod, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 155 | interlace_method: InterlaceMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PngImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parser.rs:63:15 [INFO] [stdout] | [INFO] [stdout] 63 | Ancillary(String), [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 | Ancillary(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `compression_method`, `filter_method`, and `interlace_method` are never read [INFO] [stdout] --> src/parser.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 148 | pub struct PngImage { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 153 | compression_method: CompressionMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 154 | filter_method: FilterMethod, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 155 | interlace_method: InterlaceMethod, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PngImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.77s [INFO] running `Command { std: "docker" "inspect" "a28926d251ab1e931182deabe35c07aef45abd6f269c81a926965780d837ae78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a28926d251ab1e931182deabe35c07aef45abd6f269c81a926965780d837ae78", kill_on_drop: false }` [INFO] [stdout] a28926d251ab1e931182deabe35c07aef45abd6f269c81a926965780d837ae78