[INFO] fetching crate socks5-protocol-async 0.2.3...
[INFO] checking socks5-protocol-async-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate socks5-protocol-async 0.2.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate socks5-protocol-async 0.2.3 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 socks5-protocol-async 0.2.3
[INFO] finished tweaking crates.io crate socks5-protocol-async 0.2.3
[INFO] tweaked toml for crates.io crate socks5-protocol-async 0.2.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 44 packages
[INFO] [stderr]       Adding enum-primitive-derive v0.1.2 (latest: v0.3.0)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding quote v0.3.15 (latest: v1.0.35)
[INFO] [stderr]       Adding syn v0.11.11 (latest: v2.0.58)
[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 unicode-xid v0.0.4 (latest: v0.2.4)
[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 futures-test v0.3.30
[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] 294b0602834e7c9a1d24b378320b196b4106613afb238f3f8f59d5955ba722fb
[INFO] running `Command { std: "docker" "start" "-a" "294b0602834e7c9a1d24b378320b196b4106613afb238f3f8f59d5955ba722fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "294b0602834e7c9a1d24b378320b196b4106613afb238f3f8f59d5955ba722fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294b0602834e7c9a1d24b378320b196b4106613afb238f3f8f59d5955ba722fb", kill_on_drop: false }`
[INFO] [stdout] 294b0602834e7c9a1d24b378320b196b4106613afb238f3f8f59d5955ba722fb
[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] fdf642c93a471de338721b025a3d6937f56f9ec098330c5733c5cfa557e2412d
[INFO] running `Command { std: "docker" "start" "-a" "fdf642c93a471de338721b025a3d6937f56f9ec098330c5733c5cfa557e2412d", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking socks5-protocol-async v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking futures-test v0.3.30
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `Command { std: "docker" "inspect" "fdf642c93a471de338721b025a3d6937f56f9ec098330c5733c5cfa557e2412d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf642c93a471de338721b025a3d6937f56f9ec098330c5733c5cfa557e2412d", kill_on_drop: false }`
[INFO] [stdout] fdf642c93a471de338721b025a3d6937f56f9ec098330c5733c5cfa557e2412d
[INFO] checking socks5-protocol-async-0.2.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate socks5-protocol-async 0.2.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate socks5-protocol-async 0.2.3 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 socks5-protocol-async 0.2.3
[INFO] finished tweaking crates.io crate socks5-protocol-async 0.2.3
[INFO] tweaked toml for crates.io crate socks5-protocol-async 0.2.3 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]     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-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] 2ddb3d917321d6479eaf508176f749d5b78c73f9b3547902a5573bd6137490be
[INFO] running `Command { std: "docker" "start" "-a" "2ddb3d917321d6479eaf508176f749d5b78c73f9b3547902a5573bd6137490be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ddb3d917321d6479eaf508176f749d5b78c73f9b3547902a5573bd6137490be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ddb3d917321d6479eaf508176f749d5b78c73f9b3547902a5573bd6137490be", kill_on_drop: false }`
[INFO] [stdout] 2ddb3d917321d6479eaf508176f749d5b78c73f9b3547902a5573bd6137490be
[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] 982a459afba33245657abfd113fc0ab748d5c53487abfaa880e279a772acbb2a
[INFO] running `Command { std: "docker" "start" "-a" "982a459afba33245657abfd113fc0ab748d5c53487abfaa880e279a772acbb2a", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking socks5-protocol-async v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-test v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.88s
[INFO] running `Command { std: "docker" "inspect" "982a459afba33245657abfd113fc0ab748d5c53487abfaa880e279a772acbb2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982a459afba33245657abfd113fc0ab748d5c53487abfaa880e279a772acbb2a", kill_on_drop: false }`
[INFO] [stdout] 982a459afba33245657abfd113fc0ab748d5c53487abfaa880e279a772acbb2a