[INFO] fetching crate qrcode-generator 4.1.9...
[INFO] checking qrcode-generator-4.1.9 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate qrcode-generator 4.1.9 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate qrcode-generator 4.1.9 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 qrcode-generator 4.1.9
[INFO] finished tweaking crates.io crate qrcode-generator 4.1.9
[INFO] tweaked toml for crates.io crate qrcode-generator 4.1.9 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 25 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding image v0.24.9 (latest: v0.25.1)
[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 manifest-dir-macros v0.1.18
[INFO] [stderr]   Downloaded qrcodegen v1.8.0
[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] e7265336139054ae76208a804b31509d23c34f7a12bf8845e76cbe10a468021f
[INFO] running `Command { std: "docker" "start" "-a" "e7265336139054ae76208a804b31509d23c34f7a12bf8845e76cbe10a468021f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7265336139054ae76208a804b31509d23c34f7a12bf8845e76cbe10a468021f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7265336139054ae76208a804b31509d23c34f7a12bf8845e76cbe10a468021f", kill_on_drop: false }`
[INFO] [stdout] e7265336139054ae76208a804b31509d23c34f7a12bf8845e76cbe10a468021f
[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] d523672d4ac254096c28f30e1bb6afd9b61e0e33c08616c7cdd3287862df243f
[INFO] running `Command { std: "docker" "start" "-a" "d523672d4ac254096c28f30e1bb6afd9b61e0e33c08616c7cdd3287862df243f", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking qrcodegen v1.8.0
[INFO] [stderr]    Compiling manifest-dir-macros v0.1.18
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking qrcode-generator v4.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "d523672d4ac254096c28f30e1bb6afd9b61e0e33c08616c7cdd3287862df243f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d523672d4ac254096c28f30e1bb6afd9b61e0e33c08616c7cdd3287862df243f", kill_on_drop: false }`
[INFO] [stdout] d523672d4ac254096c28f30e1bb6afd9b61e0e33c08616c7cdd3287862df243f
[INFO] checking qrcode-generator-4.1.9 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate qrcode-generator 4.1.9 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate qrcode-generator 4.1.9 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 qrcode-generator 4.1.9
[INFO] finished tweaking crates.io crate qrcode-generator 4.1.9
[INFO] tweaked toml for crates.io crate qrcode-generator 4.1.9 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] 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] 1cf6debfba92e735809755286d26efff332a367f85cc66d3bc3513c7373bcbab
[INFO] running `Command { std: "docker" "start" "-a" "1cf6debfba92e735809755286d26efff332a367f85cc66d3bc3513c7373bcbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cf6debfba92e735809755286d26efff332a367f85cc66d3bc3513c7373bcbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf6debfba92e735809755286d26efff332a367f85cc66d3bc3513c7373bcbab", kill_on_drop: false }`
[INFO] [stdout] 1cf6debfba92e735809755286d26efff332a367f85cc66d3bc3513c7373bcbab
[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] 4f9971d8944d4ebfcd723407e7e1976f4b900339ae39cd645450cfc1bddd6dfd
[INFO] running `Command { std: "docker" "start" "-a" "4f9971d8944d4ebfcd723407e7e1976f4b900339ae39cd645450cfc1bddd6dfd", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking qrcodegen v1.8.0
[INFO] [stderr]    Compiling manifest-dir-macros v0.1.18
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking qrcode-generator v4.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "4f9971d8944d4ebfcd723407e7e1976f4b900339ae39cd645450cfc1bddd6dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9971d8944d4ebfcd723407e7e1976f4b900339ae39cd645450cfc1bddd6dfd", kill_on_drop: false }`
[INFO] [stdout] 4f9971d8944d4ebfcd723407e7e1976f4b900339ae39cd645450cfc1bddd6dfd