[INFO] fetching crate lexx 0.1.0...
[INFO] checking lexx-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate lexx 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate lexx 0.1.0 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 lexx 0.1.0
[INFO] finished tweaking crates.io crate lexx 0.1.0
[INFO] tweaked toml for crates.io crate lexx 0.1.0 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 14 packages
[INFO] [stderr]       Adding bitflags v0.7.0 (latest: v2.5.0)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding syntex_errors v0.46.0 (latest: v0.59.1)
[INFO] [stderr]       Adding syntex_pos v0.46.0 (latest: v0.59.1)
[INFO] [stderr]       Adding syntex_syntax v0.46.0 (latest: v0.59.1)
[INFO] [stderr]       Adding term v0.4.6 (latest: v0.7.0)
[INFO] [stderr]       Adding unicode-xid v0.0.3 (latest: v0.2.4)
[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 term v0.4.6
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded syntex_pos v0.46.0
[INFO] [stderr]   Downloaded syntex_errors v0.46.0
[INFO] [stderr]   Downloaded syntex_syntax v0.46.0
[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] 4bce6ce374067ce0f95750084380c05f2957b9895748276ea8dd06c0225b50af
[INFO] running `Command { std: "docker" "start" "-a" "4bce6ce374067ce0f95750084380c05f2957b9895748276ea8dd06c0225b50af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bce6ce374067ce0f95750084380c05f2957b9895748276ea8dd06c0225b50af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bce6ce374067ce0f95750084380c05f2957b9895748276ea8dd06c0225b50af", kill_on_drop: false }`
[INFO] [stdout] 4bce6ce374067ce0f95750084380c05f2957b9895748276ea8dd06c0225b50af
[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] 2bb10cd96018795840fdae03d783924c6a45c0f38e12b346e29d1311e4ad0a17
[INFO] running `Command { std: "docker" "start" "-a" "2bb10cd96018795840fdae03d783924c6a45c0f38e12b346e29d1311e4ad0a17", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking syntex_pos v0.46.0
[INFO] [stderr]     Checking syntex_errors v0.46.0
[INFO] [stderr]     Checking syntex_syntax v0.46.0
[INFO] [stderr]     Checking lexx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.91s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syntex_pos v0.46.0, syntex_syntax v0.46.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "2bb10cd96018795840fdae03d783924c6a45c0f38e12b346e29d1311e4ad0a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb10cd96018795840fdae03d783924c6a45c0f38e12b346e29d1311e4ad0a17", kill_on_drop: false }`
[INFO] [stdout] 2bb10cd96018795840fdae03d783924c6a45c0f38e12b346e29d1311e4ad0a17
[INFO] checking lexx-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate lexx 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate lexx 0.1.0 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 lexx 0.1.0
[INFO] finished tweaking crates.io crate lexx 0.1.0
[INFO] tweaked toml for crates.io crate lexx 0.1.0 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] 51da50bcf1bf415ef7e3e948740f6242c37597c138cb3396f9b601a0cbf09106
[INFO] running `Command { std: "docker" "start" "-a" "51da50bcf1bf415ef7e3e948740f6242c37597c138cb3396f9b601a0cbf09106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51da50bcf1bf415ef7e3e948740f6242c37597c138cb3396f9b601a0cbf09106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51da50bcf1bf415ef7e3e948740f6242c37597c138cb3396f9b601a0cbf09106", kill_on_drop: false }`
[INFO] [stdout] 51da50bcf1bf415ef7e3e948740f6242c37597c138cb3396f9b601a0cbf09106
[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] 8e3972afdead43832b22d21a99fddc18b2adab1a9010626bd9e5df9bffdafe44
[INFO] running `Command { std: "docker" "start" "-a" "8e3972afdead43832b22d21a99fddc18b2adab1a9010626bd9e5df9bffdafe44", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking unicode-xid v0.0.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking syntex_pos v0.46.0
[INFO] [stderr]     Checking syntex_errors v0.46.0
[INFO] [stderr]     Checking syntex_syntax v0.46.0
[INFO] [stderr]     Checking lexx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.98s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syntex_pos v0.46.0, syntex_syntax v0.46.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "8e3972afdead43832b22d21a99fddc18b2adab1a9010626bd9e5df9bffdafe44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3972afdead43832b22d21a99fddc18b2adab1a9010626bd9e5df9bffdafe44", kill_on_drop: false }`
[INFO] [stdout] 8e3972afdead43832b22d21a99fddc18b2adab1a9010626bd9e5df9bffdafe44