[INFO] fetching crate prometheus_remote_write 0.2.1...
[INFO] checking prometheus_remote_write-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate prometheus_remote_write 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate prometheus_remote_write 0.2.1 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 prometheus_remote_write 0.2.1
[INFO] finished tweaking crates.io crate prometheus_remote_write 0.2.1
[INFO] tweaked toml for crates.io crate prometheus_remote_write 0.2.1 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 73 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding rustls v0.21.10 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (latest: v0.102.2)
[INFO] [stderr]       Adding ureq v2.8.0 (latest: v2.9.6)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding webpki-roots v0.25.4 (latest: v0.26.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[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 prometheus-parse v0.2.5
[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] dc8f3cc76e6b90dee567b88d2d70a67332ab8274c3f3ae07eaa19912ec0ae991
[INFO] running `Command { std: "docker" "start" "-a" "dc8f3cc76e6b90dee567b88d2d70a67332ab8274c3f3ae07eaa19912ec0ae991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc8f3cc76e6b90dee567b88d2d70a67332ab8274c3f3ae07eaa19912ec0ae991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8f3cc76e6b90dee567b88d2d70a67332ab8274c3f3ae07eaa19912ec0ae991", kill_on_drop: false }`
[INFO] [stdout] dc8f3cc76e6b90dee567b88d2d70a67332ab8274c3f3ae07eaa19912ec0ae991
[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] 16e6f52bd22e49cd2a9d1a9ec9cb4791c36b36ab5941e51410b48b4cdbdd99ec
[INFO] running `Command { std: "docker" "start" "-a" "16e6f52bd22e49cd2a9d1a9ec9cb4791c36b36ab5941e51410b48b4cdbdd99ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking prometheus-parse v0.2.5
[INFO] [stderr]    Compiling prost-derive v0.12.4
[INFO] [stderr]     Checking prost v0.12.4
[INFO] [stderr]     Checking prometheus_remote_write v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.77s
[INFO] running `Command { std: "docker" "inspect" "16e6f52bd22e49cd2a9d1a9ec9cb4791c36b36ab5941e51410b48b4cdbdd99ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e6f52bd22e49cd2a9d1a9ec9cb4791c36b36ab5941e51410b48b4cdbdd99ec", kill_on_drop: false }`
[INFO] [stdout] 16e6f52bd22e49cd2a9d1a9ec9cb4791c36b36ab5941e51410b48b4cdbdd99ec
[INFO] checking prometheus_remote_write-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate prometheus_remote_write 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate prometheus_remote_write 0.2.1 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 prometheus_remote_write 0.2.1
[INFO] finished tweaking crates.io crate prometheus_remote_write 0.2.1
[INFO] tweaked toml for crates.io crate prometheus_remote_write 0.2.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 7c417afdbaaa4a70321a17f7bd7287fa8e6f170f6df3168b95f8c232b6c3decd
[INFO] running `Command { std: "docker" "start" "-a" "7c417afdbaaa4a70321a17f7bd7287fa8e6f170f6df3168b95f8c232b6c3decd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c417afdbaaa4a70321a17f7bd7287fa8e6f170f6df3168b95f8c232b6c3decd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c417afdbaaa4a70321a17f7bd7287fa8e6f170f6df3168b95f8c232b6c3decd", kill_on_drop: false }`
[INFO] [stdout] 7c417afdbaaa4a70321a17f7bd7287fa8e6f170f6df3168b95f8c232b6c3decd
[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] 0b83b40bc7f675512c2dd9ff3e090c8fdfe1b187659de4cec0619690ee88fb76
[INFO] running `Command { std: "docker" "start" "-a" "0b83b40bc7f675512c2dd9ff3e090c8fdfe1b187659de4cec0619690ee88fb76", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling prost-derive v0.12.4
[INFO] [stderr]     Checking prometheus-parse v0.2.5
[INFO] [stderr]     Checking prost v0.12.4
[INFO] [stderr]     Checking prometheus_remote_write v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "0b83b40bc7f675512c2dd9ff3e090c8fdfe1b187659de4cec0619690ee88fb76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b83b40bc7f675512c2dd9ff3e090c8fdfe1b187659de4cec0619690ee88fb76", kill_on_drop: false }`
[INFO] [stdout] 0b83b40bc7f675512c2dd9ff3e090c8fdfe1b187659de4cec0619690ee88fb76