[INFO] cloning repository https://github.com/Phantomical/async-scope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Phantomical/async-scope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantomical%2Fasync-scope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantomical%2Fasync-scope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38b5530be05010f410a5abd72c894d43010037a1
[INFO] checking Phantomical/async-scope against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantomical%2Fasync-scope" "/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/Phantomical/async-scope 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/Phantomical/async-scope
[INFO] finished tweaking git repo https://github.com/Phantomical/async-scope
[INFO] tweaked toml for git repo https://github.com/Phantomical/async-scope written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Phantomical/async-scope 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] 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] b4d01b8bb49faf466422cd621d46ce34c555f5e16035b5c8e2613b9afa68b9e6
[INFO] running `Command { std: "docker" "start" "-a" "b4d01b8bb49faf466422cd621d46ce34c555f5e16035b5c8e2613b9afa68b9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d01b8bb49faf466422cd621d46ce34c555f5e16035b5c8e2613b9afa68b9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d01b8bb49faf466422cd621d46ce34c555f5e16035b5c8e2613b9afa68b9e6", kill_on_drop: false }`
[INFO] [stdout] b4d01b8bb49faf466422cd621d46ce34c555f5e16035b5c8e2613b9afa68b9e6
[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] 7521b06eef32f00e29c075ee6bb4ce2ce7d1877494dc83e743e4c140f4d8d26b
[INFO] running `Command { std: "docker" "start" "-a" "7521b06eef32f00e29c075ee6bb4ce2ce7d1877494dc83e743e4c140f4d8d26b", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking async-scope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "7521b06eef32f00e29c075ee6bb4ce2ce7d1877494dc83e743e4c140f4d8d26b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7521b06eef32f00e29c075ee6bb4ce2ce7d1877494dc83e743e4c140f4d8d26b", kill_on_drop: false }`
[INFO] [stdout] 7521b06eef32f00e29c075ee6bb4ce2ce7d1877494dc83e743e4c140f4d8d26b
[INFO] checking Phantomical/async-scope against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhantomical%2Fasync-scope" "/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/Phantomical/async-scope 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/Phantomical/async-scope
[INFO] finished tweaking git repo https://github.com/Phantomical/async-scope
[INFO] tweaked toml for git repo https://github.com/Phantomical/async-scope written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Phantomical/async-scope 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] e5420bd1ec8ea7fe96ae3680bfdb6061bd89f01e57ea097905631a2867b7ef6e
[INFO] running `Command { std: "docker" "start" "-a" "e5420bd1ec8ea7fe96ae3680bfdb6061bd89f01e57ea097905631a2867b7ef6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5420bd1ec8ea7fe96ae3680bfdb6061bd89f01e57ea097905631a2867b7ef6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5420bd1ec8ea7fe96ae3680bfdb6061bd89f01e57ea097905631a2867b7ef6e", kill_on_drop: false }`
[INFO] [stdout] e5420bd1ec8ea7fe96ae3680bfdb6061bd89f01e57ea097905631a2867b7ef6e
[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] 25e41024facc32e5cefc11a09accdf4d8836fc2ca75fde3f7bea7665688b72fc
[INFO] running `Command { std: "docker" "start" "-a" "25e41024facc32e5cefc11a09accdf4d8836fc2ca75fde3f7bea7665688b72fc", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking async-scope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.09s
[INFO] running `Command { std: "docker" "inspect" "25e41024facc32e5cefc11a09accdf4d8836fc2ca75fde3f7bea7665688b72fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e41024facc32e5cefc11a09accdf4d8836fc2ca75fde3f7bea7665688b72fc", kill_on_drop: false }`
[INFO] [stdout] 25e41024facc32e5cefc11a09accdf4d8836fc2ca75fde3f7bea7665688b72fc