[INFO] fetching crate jampack 1.0.0...
[INFO] checking jampack-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate jampack 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate jampack 1.0.0 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] started tweaking crates.io crate jampack 1.0.0
[INFO] finished tweaking crates.io crate jampack 1.0.0
[INFO] tweaked toml for crates.io crate jampack 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 83 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding gloo-net v0.2.6 (latest: v0.5.0)
[INFO] [stderr]       Adding gloo-utils v0.1.7 (latest: v0.2.0)
[INFO] [stderr]       Adding image v0.24.9 (latest: v0.25.1)
[INFO] [stderr]       Adding pollster v0.2.5 (latest: v0.3.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pollster v0.2.5
[INFO] [stderr]   Downloaded gloo-utils v0.1.7
[INFO] [stderr]   Downloaded gloo-net v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5d559cc1dd3d98a0bac11252367199f8f88677fd74a646b11fd4621094597260
[INFO] running `Command { std: "docker" "start" "-a" "5d559cc1dd3d98a0bac11252367199f8f88677fd74a646b11fd4621094597260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d559cc1dd3d98a0bac11252367199f8f88677fd74a646b11fd4621094597260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d559cc1dd3d98a0bac11252367199f8f88677fd74a646b11fd4621094597260", kill_on_drop: false }`
[INFO] [stdout] 5d559cc1dd3d98a0bac11252367199f8f88677fd74a646b11fd4621094597260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0320bd5bf198885e051b39800a2e780c353872d45e55f1de4758578fed098412
[INFO] running `Command { std: "docker" "start" "-a" "0320bd5bf198885e051b39800a2e780c353872d45e55f1de4758578fed098412", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]     Checking jampack v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.20s
[INFO] running `Command { std: "docker" "inspect" "0320bd5bf198885e051b39800a2e780c353872d45e55f1de4758578fed098412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0320bd5bf198885e051b39800a2e780c353872d45e55f1de4758578fed098412", kill_on_drop: false }`
[INFO] [stdout] 0320bd5bf198885e051b39800a2e780c353872d45e55f1de4758578fed098412
[INFO] checking jampack-1.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate jampack 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate jampack 1.0.0 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 crates.io crate jampack 1.0.0
[INFO] finished tweaking crates.io crate jampack 1.0.0
[INFO] tweaked toml for crates.io crate jampack 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0d4ded7cda50a07d439081ef96adc2a400c040d2821315e27e0fb2b1c4df8039
[INFO] running `Command { std: "docker" "start" "-a" "0d4ded7cda50a07d439081ef96adc2a400c040d2821315e27e0fb2b1c4df8039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d4ded7cda50a07d439081ef96adc2a400c040d2821315e27e0fb2b1c4df8039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4ded7cda50a07d439081ef96adc2a400c040d2821315e27e0fb2b1c4df8039", kill_on_drop: false }`
[INFO] [stdout] 0d4ded7cda50a07d439081ef96adc2a400c040d2821315e27e0fb2b1c4df8039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9d1b93b8d6a5b3c50c55afea5fd148f1bc43b59784a3ced446c1e2800cdbf5b6
[INFO] running `Command { std: "docker" "start" "-a" "9d1b93b8d6a5b3c50c55afea5fd148f1bc43b59784a3ced446c1e2800cdbf5b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking jampack v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.66s
[INFO] running `Command { std: "docker" "inspect" "9d1b93b8d6a5b3c50c55afea5fd148f1bc43b59784a3ced446c1e2800cdbf5b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d1b93b8d6a5b3c50c55afea5fd148f1bc43b59784a3ced446c1e2800cdbf5b6", kill_on_drop: false }`
[INFO] [stdout] 9d1b93b8d6a5b3c50c55afea5fd148f1bc43b59784a3ced446c1e2800cdbf5b6