[INFO] cloning repository https://github.com/brenoafb/rust-container-runtime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brenoafb/rust-container-runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrenoafb%2Frust-container-runtime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrenoafb%2Frust-container-runtime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6474902f8e8fe88e4282e8bf3f7ae6977c37608d
[INFO] checking brenoafb/rust-container-runtime against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrenoafb%2Frust-container-runtime" "/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/brenoafb/rust-container-runtime 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/brenoafb/rust-container-runtime
[INFO] finished tweaking git repo https://github.com/brenoafb/rust-container-runtime
[INFO] tweaked toml for git repo https://github.com/brenoafb/rust-container-runtime written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/brenoafb/rust-container-runtime 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unshare v0.7.0
[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] 18e2304d507fa85ad36bea40b8763f47543201598c94891460a8c6d0d33a2f2c
[INFO] running `Command { std: "docker" "start" "-a" "18e2304d507fa85ad36bea40b8763f47543201598c94891460a8c6d0d33a2f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18e2304d507fa85ad36bea40b8763f47543201598c94891460a8c6d0d33a2f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e2304d507fa85ad36bea40b8763f47543201598c94891460a8c6d0d33a2f2c", kill_on_drop: false }`
[INFO] [stdout] 18e2304d507fa85ad36bea40b8763f47543201598c94891460a8c6d0d33a2f2c
[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] 1600f5db0a7ad8b3a70737fe626601c0264a5e738a726b88ab867b458190fdc2
[INFO] running `Command { std: "docker" "start" "-a" "1600f5db0a7ad8b3a70737fe626601c0264a5e738a726b88ab867b458190fdc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking nix v0.25.0
[INFO] [stderr]     Checking unshare v0.7.0
[INFO] [stderr]     Checking containers-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "1600f5db0a7ad8b3a70737fe626601c0264a5e738a726b88ab867b458190fdc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1600f5db0a7ad8b3a70737fe626601c0264a5e738a726b88ab867b458190fdc2", kill_on_drop: false }`
[INFO] [stdout] 1600f5db0a7ad8b3a70737fe626601c0264a5e738a726b88ab867b458190fdc2
[INFO] checking brenoafb/rust-container-runtime against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrenoafb%2Frust-container-runtime" "/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/brenoafb/rust-container-runtime 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/brenoafb/rust-container-runtime
[INFO] finished tweaking git repo https://github.com/brenoafb/rust-container-runtime
[INFO] tweaked toml for git repo https://github.com/brenoafb/rust-container-runtime written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/brenoafb/rust-container-runtime 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] 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] 96812188149a2bd32a3fafed61a2fd4906e1ee6af70f43dd6456c79a7a155326
[INFO] running `Command { std: "docker" "start" "-a" "96812188149a2bd32a3fafed61a2fd4906e1ee6af70f43dd6456c79a7a155326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96812188149a2bd32a3fafed61a2fd4906e1ee6af70f43dd6456c79a7a155326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96812188149a2bd32a3fafed61a2fd4906e1ee6af70f43dd6456c79a7a155326", kill_on_drop: false }`
[INFO] [stdout] 96812188149a2bd32a3fafed61a2fd4906e1ee6af70f43dd6456c79a7a155326
[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] dfd280073d54a236680c0053992d8f6b83a5fb76c537c9988e93634c42f6622c
[INFO] running `Command { std: "docker" "start" "-a" "dfd280073d54a236680c0053992d8f6b83a5fb76c537c9988e93634c42f6622c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking nix v0.25.0
[INFO] [stderr]     Checking unshare v0.7.0
[INFO] [stderr]     Checking containers-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "dfd280073d54a236680c0053992d8f6b83a5fb76c537c9988e93634c42f6622c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd280073d54a236680c0053992d8f6b83a5fb76c537c9988e93634c42f6622c", kill_on_drop: false }`
[INFO] [stdout] dfd280073d54a236680c0053992d8f6b83a5fb76c537c9988e93634c42f6622c