[INFO] fetching crate candela 0.2.1...
[INFO] checking candela-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate candela 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate candela 0.2.1 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 candela 0.2.1
[INFO] finished tweaking crates.io crate candela 0.2.1
[INFO] tweaked toml for crates.io crate candela 0.2.1 written to /workspace/builds/worker-3-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]      Locking 62 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding error-chain v0.10.0 (latest: v0.12.4)
[INFO] [stderr]       Adding fixedbitset v0.2.0 (latest: v0.5.6)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding mio v0.7.14 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.3.7 (latest: v0.6.0)
[INFO] [stderr]       Adding multimap v0.8.3 (latest: v0.10.0)
[INFO] [stderr]       Adding ntapi v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding petgraph v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding prost v0.7.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-build v0.7.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-derive v0.7.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-types v0.7.0 (latest: v0.12.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.2.1 (latest: v0.8.12)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[INFO] [stderr]       Adding zeromq-src v0.1.10+4.3.2 (latest: v0.3.1+4.3.5)
[INFO] [stderr]       Adding zmq v0.9.2 (latest: v0.10.0)
[INFO] [stderr]       Adding zmq-sys v0.11.0 (latest: v0.12.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded which v4.4.2
[INFO] [stderr]   Downloaded prost-types v0.7.0
[INFO] [stderr]   Downloaded cmake v0.1.50
[INFO] [stderr]   Downloaded zmq-sys v0.11.0
[INFO] [stderr]   Downloaded prost-derive v0.7.0
[INFO] [stderr]   Downloaded multimap v0.8.3
[INFO] [stderr]   Downloaded prost v0.7.0
[INFO] [stderr]   Downloaded zmq v0.9.2
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded zeromq-src v0.1.10+4.3.2
[INFO] [stderr]   Downloaded prost-build v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] fe4894f0b903cc2de2fc5f4605c04ffee2c2a1561c214fe147b9bab3c5ab3888
[INFO] running `Command { std: "docker" "start" "-a" "fe4894f0b903cc2de2fc5f4605c04ffee2c2a1561c214fe147b9bab3c5ab3888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe4894f0b903cc2de2fc5f4605c04ffee2c2a1561c214fe147b9bab3c5ab3888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4894f0b903cc2de2fc5f4605c04ffee2c2a1561c214fe147b9bab3c5ab3888", kill_on_drop: false }`
[INFO] [stdout] fe4894f0b903cc2de2fc5f4605c04ffee2c2a1561c214fe147b9bab3c5ab3888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3c50fd7003fed69b41c73d2dfa0df42744846fdbd1f7a669620ee7833dd5ec7a
[INFO] running `Command { std: "docker" "start" "-a" "3c50fd7003fed69b41c73d2dfa0df42744846fdbd1f7a669620ee7833dd5ec7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling candela v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.03s
[INFO] running `Command { std: "docker" "inspect" "3c50fd7003fed69b41c73d2dfa0df42744846fdbd1f7a669620ee7833dd5ec7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c50fd7003fed69b41c73d2dfa0df42744846fdbd1f7a669620ee7833dd5ec7a", kill_on_drop: false }`
[INFO] [stdout] 3c50fd7003fed69b41c73d2dfa0df42744846fdbd1f7a669620ee7833dd5ec7a
[INFO] checking candela-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate candela 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate candela 0.2.1 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 candela 0.2.1
[INFO] finished tweaking crates.io crate candela 0.2.1
[INFO] tweaked toml for crates.io crate candela 0.2.1 written to /workspace/builds/worker-3-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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e17f58e205f9cd1dee4ddaf2dafe04f50c9ea9d916b641dd83a32d6d0955e212
[INFO] running `Command { std: "docker" "start" "-a" "e17f58e205f9cd1dee4ddaf2dafe04f50c9ea9d916b641dd83a32d6d0955e212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e17f58e205f9cd1dee4ddaf2dafe04f50c9ea9d916b641dd83a32d6d0955e212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17f58e205f9cd1dee4ddaf2dafe04f50c9ea9d916b641dd83a32d6d0955e212", kill_on_drop: false }`
[INFO] [stdout] e17f58e205f9cd1dee4ddaf2dafe04f50c9ea9d916b641dd83a32d6d0955e212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ef0dd20a06a7e3c71ee49b54fe9cdaf00806660a925a1d6b57acd1b1de14c46c
[INFO] running `Command { std: "docker" "start" "-a" "ef0dd20a06a7e3c71ee49b54fe9cdaf00806660a925a1d6b57acd1b1de14c46c", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling candela v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.60s
[INFO] running `Command { std: "docker" "inspect" "ef0dd20a06a7e3c71ee49b54fe9cdaf00806660a925a1d6b57acd1b1de14c46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0dd20a06a7e3c71ee49b54fe9cdaf00806660a925a1d6b57acd1b1de14c46c", kill_on_drop: false }`
[INFO] [stdout] ef0dd20a06a7e3c71ee49b54fe9cdaf00806660a925a1d6b57acd1b1de14c46c