[INFO] fetching crate cxmr-feeds 0.0.1...
[INFO] checking cxmr-feeds-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate cxmr-feeds 0.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cxmr-feeds 0.0.1 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 cxmr-feeds 0.0.1
[INFO] finished tweaking crates.io crate cxmr-feeds 0.0.1
[INFO] tweaked toml for crates.io crate cxmr-feeds 0.0.1 written to /workspace/builds/worker-1-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 33 packages
[INFO] [stderr]       Adding err-convert-macro v0.0.1 (latest: v0.1.1)
[INFO] [stderr]       Adding hashbrown v0.1.8 (latest: v0.14.3)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding scopeguard v0.3.3 (latest: v1.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxmr-exchanges v0.0.1
[INFO] [stderr]   Downloaded err-convert-macro v0.0.1
[INFO] [stderr]   Downloaded cxmr-balances v0.0.1
[INFO] [stderr]   Downloaded cxmr-currency v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0a6347abf3f6e5baa65db70f6084140bcb0a5a55a04906348d0b6e2184fefa6e
[INFO] running `Command { std: "docker" "start" "-a" "0a6347abf3f6e5baa65db70f6084140bcb0a5a55a04906348d0b6e2184fefa6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a6347abf3f6e5baa65db70f6084140bcb0a5a55a04906348d0b6e2184fefa6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6347abf3f6e5baa65db70f6084140bcb0a5a55a04906348d0b6e2184fefa6e", kill_on_drop: false }`
[INFO] [stdout] 0a6347abf3f6e5baa65db70f6084140bcb0a5a55a04906348d0b6e2184fefa6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 3b5c816bdaa0e2ba414b04be8b1d2288d6e2d2582bef7a3a0541a8b70d74ca88
[INFO] running `Command { std: "docker" "start" "-a" "3b5c816bdaa0e2ba414b04be8b1d2288d6e2d2582bef7a3a0541a8b70d74ca88", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking err-convert-macro v0.0.1
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cxmr-currency v0.0.1
[INFO] [stderr]     Checking cxmr-balances v0.0.1
[INFO] [stderr]     Checking cxmr-exchanges v0.0.1
[INFO] [stderr]     Checking cxmr-feeds v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.33s
[INFO] running `Command { std: "docker" "inspect" "3b5c816bdaa0e2ba414b04be8b1d2288d6e2d2582bef7a3a0541a8b70d74ca88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b5c816bdaa0e2ba414b04be8b1d2288d6e2d2582bef7a3a0541a8b70d74ca88", kill_on_drop: false }`
[INFO] [stdout] 3b5c816bdaa0e2ba414b04be8b1d2288d6e2d2582bef7a3a0541a8b70d74ca88
[INFO] checking cxmr-feeds-0.0.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate cxmr-feeds 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate cxmr-feeds 0.0.1 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 cxmr-feeds 0.0.1
[INFO] finished tweaking crates.io crate cxmr-feeds 0.0.1
[INFO] tweaked toml for crates.io crate cxmr-feeds 0.0.1 written to /workspace/builds/worker-1-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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0a6e169b8940140b7dc9df44c8d1e573c00cb0b2eeb90077ea7a72488a8b051d
[INFO] running `Command { std: "docker" "start" "-a" "0a6e169b8940140b7dc9df44c8d1e573c00cb0b2eeb90077ea7a72488a8b051d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a6e169b8940140b7dc9df44c8d1e573c00cb0b2eeb90077ea7a72488a8b051d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6e169b8940140b7dc9df44c8d1e573c00cb0b2eeb90077ea7a72488a8b051d", kill_on_drop: false }`
[INFO] [stdout] 0a6e169b8940140b7dc9df44c8d1e573c00cb0b2eeb90077ea7a72488a8b051d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e9977826689c456462e083a8078a3aafc47317e7ca2da11d1d13efd7bc3d6165
[INFO] running `Command { std: "docker" "start" "-a" "e9977826689c456462e083a8078a3aafc47317e7ca2da11d1d13efd7bc3d6165", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking err-convert-macro v0.0.1
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking cxmr-balances v0.0.1
[INFO] [stderr]     Checking cxmr-currency v0.0.1
[INFO] [stderr]     Checking cxmr-exchanges v0.0.1
[INFO] [stderr]     Checking cxmr-feeds v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.09s
[INFO] running `Command { std: "docker" "inspect" "e9977826689c456462e083a8078a3aafc47317e7ca2da11d1d13efd7bc3d6165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9977826689c456462e083a8078a3aafc47317e7ca2da11d1d13efd7bc3d6165", kill_on_drop: false }`
[INFO] [stdout] e9977826689c456462e083a8078a3aafc47317e7ca2da11d1d13efd7bc3d6165