[INFO] fetching crate zkraken-lib 0.2.0...
[INFO] checking zkraken-lib-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate zkraken-lib 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate zkraken-lib 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] started tweaking crates.io crate zkraken-lib 0.2.0
[INFO] finished tweaking crates.io crate zkraken-lib 0.2.0
[INFO] tweaked toml for crates.io crate zkraken-lib 0.2.0 written to /workspace/builds/worker-5-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 85 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding image v0.24.9 (latest: v0.25.1)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding mockall v0.11.4 (latest: v0.12.1)
[INFO] [stderr]       Adding mockall_derive v0.11.4 (latest: v0.12.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding owo-colors v3.5.0 (latest: v4.0.0)
[INFO] [stderr]       Adding predicates v2.1.5 (latest: v3.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b3eb546ffc443ebd6eff5027b320dfb555c57052306cb9a7ddd7443b660b972a
[INFO] running `Command { std: "docker" "start" "-a" "b3eb546ffc443ebd6eff5027b320dfb555c57052306cb9a7ddd7443b660b972a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3eb546ffc443ebd6eff5027b320dfb555c57052306cb9a7ddd7443b660b972a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3eb546ffc443ebd6eff5027b320dfb555c57052306cb9a7ddd7443b660b972a", kill_on_drop: false }`
[INFO] [stdout] b3eb546ffc443ebd6eff5027b320dfb555c57052306cb9a7ddd7443b660b972a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 293f5ad8e562080308b2b5e5fde4994fe3fbb3321455862ab7eea567412f8147
[INFO] running `Command { std: "docker" "start" "-a" "293f5ad8e562080308b2b5e5fde4994fe3fbb3321455862ab7eea567412f8147", kill_on_drop: false }`
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling rusb v0.9.3
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[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 flume v0.11.0
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Checking color-eyre v0.6.3
[INFO] [stderr]     Checking zkraken-lib v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.69s
[INFO] running `Command { std: "docker" "inspect" "293f5ad8e562080308b2b5e5fde4994fe3fbb3321455862ab7eea567412f8147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293f5ad8e562080308b2b5e5fde4994fe3fbb3321455862ab7eea567412f8147", kill_on_drop: false }`
[INFO] [stdout] 293f5ad8e562080308b2b5e5fde4994fe3fbb3321455862ab7eea567412f8147
[INFO] checking zkraken-lib-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate zkraken-lib 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate zkraken-lib 0.2.0 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 zkraken-lib 0.2.0
[INFO] finished tweaking crates.io crate zkraken-lib 0.2.0
[INFO] tweaked toml for crates.io crate zkraken-lib 0.2.0 written to /workspace/builds/worker-5-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a0514f3e93448b5f3d760b562639e4d1e74d005ea6bd16a5d19852d1079e1ff1
[INFO] running `Command { std: "docker" "start" "-a" "a0514f3e93448b5f3d760b562639e4d1e74d005ea6bd16a5d19852d1079e1ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0514f3e93448b5f3d760b562639e4d1e74d005ea6bd16a5d19852d1079e1ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0514f3e93448b5f3d760b562639e4d1e74d005ea6bd16a5d19852d1079e1ff1", kill_on_drop: false }`
[INFO] [stdout] a0514f3e93448b5f3d760b562639e4d1e74d005ea6bd16a5d19852d1079e1ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3a6f3a231790a7513db54ee42fe06cc6a68034c4b49213e9ae6ed79c2bce23af
[INFO] running `Command { std: "docker" "start" "-a" "3a6f3a231790a7513db54ee42fe06cc6a68034c4b49213e9ae6ed79c2bce23af", kill_on_drop: false }`
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling libusb1-sys v0.6.4
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]    Compiling rusb v0.9.3
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[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 flume v0.11.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking color-eyre v0.6.3
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]     Checking zkraken-lib v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "3a6f3a231790a7513db54ee42fe06cc6a68034c4b49213e9ae6ed79c2bce23af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6f3a231790a7513db54ee42fe06cc6a68034c4b49213e9ae6ed79c2bce23af", kill_on_drop: false }`
[INFO] [stdout] 3a6f3a231790a7513db54ee42fe06cc6a68034c4b49213e9ae6ed79c2bce23af