[INFO] cloning repository https://github.com/mxcop/minecraft-lan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mxcop/minecraft-lan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxcop%2Fminecraft-lan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxcop%2Fminecraft-lan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cda2f0e6520f587981ecbf1c1bb1fb214d0949e
[INFO] checking mxcop/minecraft-lan against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxcop%2Fminecraft-lan" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mxcop/minecraft-lan 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 git repo https://github.com/mxcop/minecraft-lan
[INFO] finished tweaking git repo https://github.com/mxcop/minecraft-lan
[INFO] tweaked toml for git repo https://github.com/mxcop/minecraft-lan written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mxcop/minecraft-lan already has a lockfile, it will not be regenerated
[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 async-net v1.7.0
[INFO] [stderr]   Downloaded regex v1.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 73075c1333a518bfeaba21ab9c904cbb3e062db6516d788a6e2eb27a66417c36
[INFO] running `Command { std: "docker" "start" "-a" "73075c1333a518bfeaba21ab9c904cbb3e062db6516d788a6e2eb27a66417c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73075c1333a518bfeaba21ab9c904cbb3e062db6516d788a6e2eb27a66417c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73075c1333a518bfeaba21ab9c904cbb3e062db6516d788a6e2eb27a66417c36", kill_on_drop: false }`
[INFO] [stdout] 73075c1333a518bfeaba21ab9c904cbb3e062db6516d788a6e2eb27a66417c36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] aa59db2a0fa998236b5f65cac80eca7d98be6f0fa63872c3b99963d41a85a131
[INFO] running `Command { std: "docker" "start" "-a" "aa59db2a0fa998236b5f65cac80eca7d98be6f0fa63872c3b99963d41a85a131", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling polling v2.6.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking blocking v1.3.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking regex v1.7.2
[INFO] [stderr]     Checking minecraft-lan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.50s
[INFO] running `Command { std: "docker" "inspect" "aa59db2a0fa998236b5f65cac80eca7d98be6f0fa63872c3b99963d41a85a131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa59db2a0fa998236b5f65cac80eca7d98be6f0fa63872c3b99963d41a85a131", kill_on_drop: false }`
[INFO] [stdout] aa59db2a0fa998236b5f65cac80eca7d98be6f0fa63872c3b99963d41a85a131
[INFO] checking mxcop/minecraft-lan against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxcop%2Fminecraft-lan" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mxcop/minecraft-lan 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 git repo https://github.com/mxcop/minecraft-lan
[INFO] finished tweaking git repo https://github.com/mxcop/minecraft-lan
[INFO] tweaked toml for git repo https://github.com/mxcop/minecraft-lan written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mxcop/minecraft-lan already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7dfa5027e51581004a2214fbc5d79009c96ecf33379c556444486d9e72b9d834
[INFO] running `Command { std: "docker" "start" "-a" "7dfa5027e51581004a2214fbc5d79009c96ecf33379c556444486d9e72b9d834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dfa5027e51581004a2214fbc5d79009c96ecf33379c556444486d9e72b9d834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfa5027e51581004a2214fbc5d79009c96ecf33379c556444486d9e72b9d834", kill_on_drop: false }`
[INFO] [stdout] 7dfa5027e51581004a2214fbc5d79009c96ecf33379c556444486d9e72b9d834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 75a6298bfd24504063b563ec214434117cfaad34f4d17dc87310bdca160c06b4
[INFO] running `Command { std: "docker" "start" "-a" "75a6298bfd24504063b563ec214434117cfaad34f4d17dc87310bdca160c06b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling polling v2.6.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stderr]     Checking async-task v4.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking concurrent-queue v2.1.0
[INFO] [stderr]     Checking async-channel v1.8.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking blocking v1.3.0
[INFO] [stderr]     Checking regex v1.7.2
[INFO] [stderr]     Checking minecraft-lan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.17s
[INFO] running `Command { std: "docker" "inspect" "75a6298bfd24504063b563ec214434117cfaad34f4d17dc87310bdca160c06b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a6298bfd24504063b563ec214434117cfaad34f4d17dc87310bdca160c06b4", kill_on_drop: false }`
[INFO] [stdout] 75a6298bfd24504063b563ec214434117cfaad34f4d17dc87310bdca160c06b4