[INFO] fetching crate qt_ritual_build 0.5.0...
[INFO] checking qt_ritual_build-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate qt_ritual_build 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate qt_ritual_build 0.5.0 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 qt_ritual_build 0.5.0
[INFO] finished tweaking crates.io crate qt_ritual_build 0.5.0
[INFO] tweaked toml for crates.io crate qt_ritual_build 0.5.0 written to /workspace/builds/worker-4-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 61 packages
[INFO] [stderr]       Adding env_logger v0.7.1 (latest: v0.11.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding itertools v0.8.2 (latest: v0.12.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pathdiff v0.1.0 (latest: v0.2.1)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding shell-words v0.1.0 (latest: v1.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding term v0.4.6 (latest: v0.7.0)
[INFO] [stderr]       Adding term-painter v0.2.4 (latest: v0.4.0)
[INFO] [stderr]       Adding toml v0.4.10 (latest: v0.8.12)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[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 pathdiff v0.1.0
[INFO] [stderr]   Downloaded ritual_build v0.4.0
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded qt_ritual_common v0.4.0
[INFO] [stderr]   Downloaded term-painter v0.2.4
[INFO] [stderr]   Downloaded shell-words v0.1.0
[INFO] [stderr]   Downloaded ritual_common v0.4.0
[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] 28e78c9ef112ab63949efaf6867d74e1a356f80e1db57a1f355b961e51eb9e39
[INFO] running `Command { std: "docker" "start" "-a" "28e78c9ef112ab63949efaf6867d74e1a356f80e1db57a1f355b961e51eb9e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28e78c9ef112ab63949efaf6867d74e1a356f80e1db57a1f355b961e51eb9e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e78c9ef112ab63949efaf6867d74e1a356f80e1db57a1f355b961e51eb9e39", kill_on_drop: false }`
[INFO] [stdout] 28e78c9ef112ab63949efaf6867d74e1a356f80e1db57a1f355b961e51eb9e39
[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] b3e4ef14f913b5bbb6f3c7bb0ad335dae2f718ec80697624d5683353dab94852
[INFO] running `Command { std: "docker" "start" "-a" "b3e4ef14f913b5bbb6f3c7bb0ad335dae2f718ec80697624d5683353dab94852", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking shell-words v0.1.0
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ritual_common v0.4.0
[INFO] [stderr]     Checking qt_ritual_common v0.4.0
[INFO] [stderr]     Checking ritual_build v0.4.0
[INFO] [stderr]     Checking qt_ritual_build v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.21s
[INFO] running `Command { std: "docker" "inspect" "b3e4ef14f913b5bbb6f3c7bb0ad335dae2f718ec80697624d5683353dab94852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e4ef14f913b5bbb6f3c7bb0ad335dae2f718ec80697624d5683353dab94852", kill_on_drop: false }`
[INFO] [stdout] b3e4ef14f913b5bbb6f3c7bb0ad335dae2f718ec80697624d5683353dab94852
[INFO] checking qt_ritual_build-0.5.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate qt_ritual_build 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate qt_ritual_build 0.5.0 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 qt_ritual_build 0.5.0
[INFO] finished tweaking crates.io crate qt_ritual_build 0.5.0
[INFO] tweaked toml for crates.io crate qt_ritual_build 0.5.0 written to /workspace/builds/worker-4-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-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] 12a6f3d47ae41802843950f3543dd3f1168806552197d7fa09951173cc5e9feb
[INFO] running `Command { std: "docker" "start" "-a" "12a6f3d47ae41802843950f3543dd3f1168806552197d7fa09951173cc5e9feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12a6f3d47ae41802843950f3543dd3f1168806552197d7fa09951173cc5e9feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a6f3d47ae41802843950f3543dd3f1168806552197d7fa09951173cc5e9feb", kill_on_drop: false }`
[INFO] [stdout] 12a6f3d47ae41802843950f3543dd3f1168806552197d7fa09951173cc5e9feb
[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] 68437a190bab10da6c1e10ffd4217ff8e96144da1463508a416c09b6c5abeb54
[INFO] running `Command { std: "docker" "start" "-a" "68437a190bab10da6c1e10ffd4217ff8e96144da1463508a416c09b6c5abeb54", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking dunce v1.0.4
[INFO] [stderr]     Checking shell-words v0.1.0
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking term-painter v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ritual_common v0.4.0
[INFO] [stderr]     Checking ritual_build v0.4.0
[INFO] [stderr]     Checking qt_ritual_common v0.4.0
[INFO] [stderr]     Checking qt_ritual_build v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.23s
[INFO] running `Command { std: "docker" "inspect" "68437a190bab10da6c1e10ffd4217ff8e96144da1463508a416c09b6c5abeb54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68437a190bab10da6c1e10ffd4217ff8e96144da1463508a416c09b6c5abeb54", kill_on_drop: false }`
[INFO] [stdout] 68437a190bab10da6c1e10ffd4217ff8e96144da1463508a416c09b6c5abeb54